diff options
author | cvs2svn <> | 2015-02-04 14:05:25 +0300 |
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committer | cvs2svn <> | 2015-02-04 14:05:25 +0300 |
commit | 52e34f4364119fbc5f253619a597a03202411eed (patch) | |
tree | ed36b30b83a0f6082c6d49b916199a1851711142 /newlib/libc/machine | |
parent | 604656a35a5211d05defdd7fcf350772b48421e7 (diff) |
This commit was manufactured by cvs2svn to create tag 'cygwin-cygwin-1_7_34-release
1_7_34-release'.
Sprout from master 2015-02-04 11:05:24 UTC Corinna Vinschen <corinna@vinschen.de> ' * posix.xml (std-susv4): Move wcstold here from std-notimpl.'
Cherrypick from cygnus 1999-05-03 07:29:06 UTC Richard Henderson <rth@redhat.com> '19990502 sourceware import':
README
config/mt-d30v
config/mt-ospace
etc/add-log.el
etc/add-log.vi
etc/configbuild.ein
etc/configbuild.fig
etc/configbuild.jin
etc/configbuild.tin
etc/configdev.ein
etc/configdev.fig
etc/configdev.jin
etc/configdev.tin
include/coff/sym.h
makefile.vms
Delete:
COPYING3
COPYING3.LIB
config.rpath
configure.ac
djunpack.bat
libgloss/ChangeLog
libgloss/Makefile.in
libgloss/README
libgloss/aarch64/Makefile.in
libgloss/aarch64/_exit.c
libgloss/aarch64/_kill.c
libgloss/aarch64/aclocal.m4
libgloss/aarch64/configure
libgloss/aarch64/configure.in
libgloss/aarch64/cpu-init/Makefile.in
libgloss/aarch64/cpu-init/aclocal.m4
libgloss/aarch64/cpu-init/configure
libgloss/aarch64/cpu-init/configure.in
libgloss/aarch64/cpu-init/rdimon-aem-el3.S
libgloss/aarch64/crt0.S
libgloss/aarch64/elf-aem-validation.specs
libgloss/aarch64/elf-aem-ve.specs
libgloss/aarch64/elf-rdimon.specs
libgloss/aarch64/ftruncate.c
libgloss/aarch64/libcfunc.c
libgloss/aarch64/svc.h
libgloss/aarch64/syscalls.c
libgloss/aarch64/truncate.c
libgloss/acinclude.m4
libgloss/aclocal.m4
libgloss/arm/Makefile.in
libgloss/arm/_exit.c
libgloss/arm/_kill.c
libgloss/arm/aclocal.m4
libgloss/arm/arm.h
libgloss/arm/coff-iq80310.specs
libgloss/arm/coff-pid.specs
libgloss/arm/coff-rdimon.specs
libgloss/arm/coff-rdpmon.specs
libgloss/arm/coff-redboot.ld
libgloss/arm/coff-redboot.specs
libgloss/arm/configure
libgloss/arm/configure.in
libgloss/arm/cpu-init/Makefile.in
libgloss/arm/cpu-init/rdimon-aem.S
libgloss/arm/crt0.S
libgloss/arm/elf-aprofile-validation.specs
libgloss/arm/elf-aprofile-ve.specs
libgloss/arm/elf-iq80310.specs
libgloss/arm/elf-linux.specs
libgloss/arm/elf-nano.specs
libgloss/arm/elf-pid.specs
libgloss/arm/elf-rdimon.specs
libgloss/arm/elf-rdpmon.specs
libgloss/arm/elf-redboot.ld
libgloss/arm/elf-redboot.specs
libgloss/arm/ftruncate.c
libgloss/arm/libcfunc.c
libgloss/arm/linux-crt0.c
libgloss/arm/linux-syscall.h
libgloss/arm/linux-syscalls0.S
libgloss/arm/linux-syscalls1.c
libgloss/arm/redboot-crt0.S
libgloss/arm/redboot-syscalls.c
libgloss/arm/swi.h
libgloss/arm/syscall.h
libgloss/arm/syscalls.c
libgloss/arm/trap.S
libgloss/arm/truncate.c
libgloss/bfin/Makefile.in
libgloss/bfin/_exit.c
libgloss/bfin/aclocal.m4
libgloss/bfin/basiccrt.S
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libgloss/bfin/bfin-common-mc.ld
libgloss/bfin/bfin-common-mc0.ld
libgloss/bfin/bfin-common-sc.ld
libgloss/bfin/clear_cache_range.c
libgloss/bfin/configure
libgloss/bfin/configure.in
libgloss/bfin/crt0.S
libgloss/bfin/include/blackfin.h
libgloss/bfin/include/builtins.h
libgloss/bfin/include/ccblkfn.h
libgloss/bfin/include/cdefBF504.h
libgloss/bfin/include/cdefBF504F.h
libgloss/bfin/include/cdefBF506F.h
libgloss/bfin/include/cdefBF50x_base.h
libgloss/bfin/include/cdefBF512.h
libgloss/bfin/include/cdefBF514.h
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libgloss/bfin/include/cdefBF51x_base.h
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libgloss/bfin/include/cdefBF54x_base.h
libgloss/bfin/include/cdefBF561.h
libgloss/bfin/include/cdefBF592-A.h
libgloss/bfin/include/cdefBF59x_base.h
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libgloss/bfin/include/cdefBF608.h
libgloss/bfin/include/cdefBF609.h
libgloss/bfin/include/cdef_LPBlackfin.h
libgloss/bfin/include/cdefblackfin.h
libgloss/bfin/include/cplb.h
libgloss/bfin/include/cplbtab.h
libgloss/bfin/include/defBF504.h
libgloss/bfin/include/defBF504F.h
libgloss/bfin/include/defBF506F.h
libgloss/bfin/include/defBF50x_base.h
libgloss/bfin/include/defBF512.h
libgloss/bfin/include/defBF514.h
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libgloss/bfin/include/defBF51x_base.h
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libgloss/bfin/include/defBF52x_base.h
libgloss/bfin/include/defBF531.h
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libgloss/bfin/include/defBF537.h
libgloss/bfin/include/defBF538.h
libgloss/bfin/include/defBF539.h
libgloss/bfin/include/defBF542.h
libgloss/bfin/include/defBF542M.h
libgloss/bfin/include/defBF544.h
libgloss/bfin/include/defBF544M.h
libgloss/bfin/include/defBF547.h
libgloss/bfin/include/defBF547M.h
libgloss/bfin/include/defBF548.h
libgloss/bfin/include/defBF548M.h
libgloss/bfin/include/defBF549.h
libgloss/bfin/include/defBF549M.h
libgloss/bfin/include/defBF54x_base.h
libgloss/bfin/include/defBF561.h
libgloss/bfin/include/defBF592-A.h
libgloss/bfin/include/defBF59x_base.h
libgloss/bfin/include/defBF606.h
libgloss/bfin/include/defBF607.h
libgloss/bfin/include/defBF608.h
libgloss/bfin/include/defBF609.h
libgloss/bfin/include/def_LPBlackfin.h
libgloss/bfin/include/defblackfin.h
libgloss/bfin/include/sys/_adi_platform.h
libgloss/bfin/include/sys/anomaly_macros_rtl.h
libgloss/bfin/include/sys/excause.h
libgloss/bfin/include/sys/exception.h
libgloss/bfin/include/sys/mc_typedef.h
libgloss/bfin/include/sys/platform.h
libgloss/bfin/include/sys/pll.h
libgloss/bfin/include/sysreg.h
libgloss/bfin/syscalls.c
libgloss/close.c
libgloss/config/default.mh
libgloss/config/default.mt
libgloss/config/dos.mh
libgloss/config/mips.mt
libgloss/config/mn10200.mt
libgloss/config/mn10300.mt
libgloss/config/ppc.mh
libgloss/config/xc16x.mt
libgloss/configure
libgloss/configure.in
libgloss/cr16/Makefile.in
libgloss/cr16/_exit.c
libgloss/cr16/_getenv.c
libgloss/cr16/_rename.c
libgloss/cr16/aclocal.m4
libgloss/cr16/close.c
libgloss/cr16/configure
libgloss/cr16/configure.in
libgloss/cr16/crt1.S
libgloss/cr16/crti.S
libgloss/cr16/crtn.S
libgloss/cr16/dvz_hndl.c
libgloss/cr16/flg_hndl.c
libgloss/cr16/fstat.c
libgloss/cr16/getpid.c
libgloss/cr16/iad_hndl.c
libgloss/cr16/intable.c
libgloss/cr16/isatty.c
libgloss/cr16/kill.c
libgloss/cr16/lseek.c
libgloss/cr16/open.c
libgloss/cr16/putnum.c
libgloss/cr16/read.c
libgloss/cr16/sbrk.c
libgloss/cr16/sim.ld
libgloss/cr16/stat.c
libgloss/cr16/svc_hndl.c
libgloss/cr16/sys/syscall.h
libgloss/cr16/time.c
libgloss/cr16/und_hndl.c
libgloss/cr16/unlink.c
libgloss/cr16/write.c
libgloss/cris/Makefile.in
libgloss/cris/aclocal.m4
libgloss/cris/configure
libgloss/cris/configure.in
libgloss/cris/crt0.S
libgloss/cris/crti.c
libgloss/cris/crtn.c
libgloss/cris/gensyscalls
libgloss/cris/irqtable.S
libgloss/cris/lcrt0.c
libgloss/cris/linunistd.h
libgloss/cris/outbyte.c
libgloss/cris/setup.S
libgloss/crx/Makefile.in
libgloss/crx/_exit.c
libgloss/crx/_getenv.c
libgloss/crx/_rename.c
libgloss/crx/aclocal.m4
libgloss/crx/close.c
libgloss/crx/configure
libgloss/crx/configure.in
libgloss/crx/crt0.S
libgloss/crx/crti.S
libgloss/crx/crtn.S
libgloss/crx/dvz_hndl.c
libgloss/crx/flg_hndl.c
libgloss/crx/fstat.c
libgloss/crx/getpid.c
libgloss/crx/iad_hndl.c
libgloss/crx/intable.c
libgloss/crx/isatty.c
libgloss/crx/kill.c
libgloss/crx/lseek.c
libgloss/crx/open.c
libgloss/crx/putnum.c
libgloss/crx/read.c
libgloss/crx/sbrk.c
libgloss/crx/sim.ld
libgloss/crx/stat.c
libgloss/crx/svc_hndl.c
libgloss/crx/time.c
libgloss/crx/und_hndl.c
libgloss/crx/unlink.c
libgloss/crx/write.c
libgloss/d30v/Makefile.in
libgloss/d30v/aclocal.m4
libgloss/d30v/configure
libgloss/d30v/configure.in
libgloss/d30v/crt0.S
libgloss/d30v/inbyte.c
libgloss/d30v/outbyte.c
libgloss/d30v/syscalls.c
libgloss/debug.c
libgloss/debug.h
libgloss/doc/Makefile.in
libgloss/doc/configure
libgloss/doc/configure.in
libgloss/doc/porting.texi
libgloss/epiphany/Makefile.in
libgloss/epiphany/_exit.S
libgloss/epiphany/_exit.c
libgloss/epiphany/_isatty.c
libgloss/epiphany/access.c
libgloss/epiphany/aclocal.m4
libgloss/epiphany/close.c
libgloss/epiphany/config.h.in
libgloss/epiphany/configure
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libgloss/epiphany/crt0.S
libgloss/epiphany/environ.c
libgloss/epiphany/epiphany-config.h
libgloss/epiphany/epiphany-ivthandlers.S
libgloss/epiphany/epiphany-syscalls.c
libgloss/epiphany/epiphany-syscalls.h
libgloss/epiphany/execve.c
libgloss/epiphany/fork.c
libgloss/epiphany/fstat.c
libgloss/epiphany/getpid.c
libgloss/epiphany/gettimeofday.c
libgloss/epiphany/kill.c
libgloss/epiphany/link.c
libgloss/epiphany/lseek.c
libgloss/epiphany/open.c
libgloss/epiphany/read.c
libgloss/epiphany/sbrk.c
libgloss/epiphany/stat.c
libgloss/epiphany/times.c
libgloss/epiphany/unlink.c
libgloss/epiphany/wait.c
libgloss/epiphany/write.c
libgloss/fr30/Makefile.in
libgloss/fr30/aclocal.m4
libgloss/fr30/configure
libgloss/fr30/configure.in
libgloss/fr30/crt0.s
libgloss/fr30/syscalls.c
libgloss/frv/Makefile.in
libgloss/frv/aclocal.m4
libgloss/frv/configure
libgloss/frv/configure.in
libgloss/frv/crt0.S
libgloss/frv/fstat.c
libgloss/frv/getpid.c
libgloss/frv/isatty.c
libgloss/frv/kill.c
libgloss/frv/print.c
libgloss/frv/putnum.c
libgloss/frv/sbrk.c
libgloss/frv/sim-close.S
libgloss/frv/sim-exit.S
libgloss/frv/sim-inbyte.c
libgloss/frv/sim-lseek.S
libgloss/frv/sim-open.S
libgloss/frv/sim-read.S
libgloss/frv/sim-time.c
libgloss/frv/sim-unlink.S
libgloss/frv/sim-write.S
libgloss/frv/stat.c
libgloss/fstat.c
libgloss/getpid.c
libgloss/glue.h
libgloss/hp74x/Makefile.in
libgloss/hp74x/README
libgloss/hp74x/aclocal.m4
libgloss/hp74x/checksum.c
libgloss/hp74x/configure
libgloss/hp74x/configure.in
libgloss/hp74x/crt0.s
libgloss/hp74x/debugger.h
libgloss/hp74x/debugger.s
libgloss/hp74x/diagnose.h
libgloss/hp74x/hppa-defs.h
libgloss/hp74x/hppa.ld
libgloss/hp74x/io.c
libgloss/hp74x/iva_table.h
libgloss/hp74x/iva_table.s
libgloss/hp74x/pa_stub.c
libgloss/hp74x/test.c
libgloss/i386/Makefile.in
libgloss/i386/aclocal.m4
libgloss/i386/configure
libgloss/i386/configure.in
libgloss/i386/cygmon-crt0.S
libgloss/i386/cygmon-gmon.c
libgloss/i386/cygmon-gmon.h
libgloss/i386/cygmon-salib.c
libgloss/i386/cygmon-syscall.h
libgloss/i386/cygmon.ld
libgloss/i960/Makefile.in
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libgloss/i960/asm.h
libgloss/i960/configure
libgloss/i960/configure.in
libgloss/i960/crt0.c
libgloss/i960/mon-read.c
libgloss/i960/mon-syscalls.S
libgloss/i960/mon-write.c
libgloss/i960/mon960.c
libgloss/i960/mon960.ld
libgloss/i960/syscall.h
libgloss/iq2000/Makefile.in
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libgloss/iq2000/chmod.c
libgloss/iq2000/chown.c
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libgloss/iq2000/configure
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libgloss/iq2000/creat.c
libgloss/iq2000/crt0.S
libgloss/iq2000/crt1.c
libgloss/iq2000/execv.c
libgloss/iq2000/execve.c
libgloss/iq2000/fork.c
libgloss/iq2000/fstat.c
libgloss/iq2000/getpid.c
libgloss/iq2000/gettime.c
libgloss/iq2000/isatty.c
libgloss/iq2000/kill.c
libgloss/iq2000/lseek.c
libgloss/iq2000/open.c
libgloss/iq2000/pipe.c
libgloss/iq2000/read.c
libgloss/iq2000/sbrk.c
libgloss/iq2000/sim.ld
libgloss/iq2000/stat.c
libgloss/iq2000/test.c
libgloss/iq2000/time.c
libgloss/iq2000/times.c
libgloss/iq2000/trap.c
libgloss/iq2000/trap.h
libgloss/iq2000/unlink.c
libgloss/iq2000/utime.c
libgloss/iq2000/wait.c
libgloss/iq2000/write.c
libgloss/isatty.c
libgloss/kill.c
libgloss/libnosys/Makefile.in
libgloss/libnosys/_exit.c
libgloss/libnosys/acconfig.h
libgloss/libnosys/aclocal.m4
libgloss/libnosys/chown.c
libgloss/libnosys/close.c
libgloss/libnosys/config.h.in
libgloss/libnosys/configure
libgloss/libnosys/configure.in
libgloss/libnosys/environ.c
libgloss/libnosys/errno.c
libgloss/libnosys/execve.c
libgloss/libnosys/fork.c
libgloss/libnosys/fstat.c
libgloss/libnosys/getpid.c
libgloss/libnosys/gettod.c
libgloss/libnosys/isatty.c
libgloss/libnosys/kill.c
libgloss/libnosys/link.c
libgloss/libnosys/lseek.c
libgloss/libnosys/nosys.specs
libgloss/libnosys/open.c
libgloss/libnosys/read.c
libgloss/libnosys/readlink.c
libgloss/libnosys/sbrk.c
libgloss/libnosys/stat.c
libgloss/libnosys/symlink.c
libgloss/libnosys/times.c
libgloss/libnosys/unlink.c
libgloss/libnosys/wait.c
libgloss/libnosys/warning.h
libgloss/libnosys/write.c
libgloss/lm32/Makefile.in
libgloss/lm32/aclocal.m4
libgloss/lm32/configure
libgloss/lm32/configure.in
libgloss/lm32/crt0.S
libgloss/lm32/isatty.c
libgloss/lm32/scall.S
libgloss/lm32/sim.ld
libgloss/lseek.c
libgloss/m32c/Makefile.in
libgloss/m32c/abort.S
libgloss/m32c/aclocal.m4
libgloss/m32c/argv.S
libgloss/m32c/argvlen.S
libgloss/m32c/chdir.S
libgloss/m32c/chmod.S
libgloss/m32c/close.S
libgloss/m32c/configure
libgloss/m32c/configure.in
libgloss/m32c/crt0.S
libgloss/m32c/crtn.S
libgloss/m32c/exit.S
libgloss/m32c/fstat.S
libgloss/m32c/genscript
libgloss/m32c/getpid.S
libgloss/m32c/gettimeofday.S
libgloss/m32c/heaptop.S
libgloss/m32c/isatty.S
libgloss/m32c/kill.S
libgloss/m32c/link.S
libgloss/m32c/lseek.S
libgloss/m32c/m32c.tmpl
libgloss/m32c/m32csys.h
libgloss/m32c/open.S
libgloss/m32c/read.S
libgloss/m32c/sample.c
libgloss/m32c/sbrk.c
libgloss/m32c/stat.S
libgloss/m32c/time.S
libgloss/m32c/times.S
libgloss/m32c/unlink.S
libgloss/m32c/utime.S
libgloss/m32c/varvects.S
libgloss/m32c/varvects.h
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libgloss/m32r/Makefile.in
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newlib/libm/machine/aarch64/sf_fmax.c
newlib/libm/machine/aarch64/sf_fmin.c
newlib/libm/machine/aarch64/sf_llrint.c
newlib/libm/machine/aarch64/sf_llround.c
newlib/libm/machine/aarch64/sf_lrint.c
newlib/libm/machine/aarch64/sf_lround.c
newlib/libm/machine/aarch64/sf_nearbyint.c
newlib/libm/machine/aarch64/sf_rint.c
newlib/libm/machine/aarch64/sf_round.c
newlib/libm/machine/aarch64/sf_trunc.c
newlib/libm/machine/arm/Makefile.am
newlib/libm/machine/arm/Makefile.in
newlib/libm/machine/arm/aclocal.m4
newlib/libm/machine/arm/configure
newlib/libm/machine/arm/configure.in
newlib/libm/machine/arm/s_ceil.c
newlib/libm/machine/arm/s_floor.c
newlib/libm/machine/arm/s_nearbyint.c
newlib/libm/machine/arm/s_rint.c
newlib/libm/machine/arm/s_round.c
newlib/libm/machine/arm/s_trunc.c
newlib/libm/machine/arm/sf_ceil.c
newlib/libm/machine/arm/sf_floor.c
newlib/libm/machine/arm/sf_nearbyint.c
newlib/libm/machine/arm/sf_rint.c
newlib/libm/machine/arm/sf_round.c
newlib/libm/machine/arm/sf_trunc.c
newlib/libm/machine/nds32/Makefile.am
newlib/libm/machine/nds32/Makefile.in
newlib/libm/machine/nds32/aclocal.m4
newlib/libm/machine/nds32/configure
newlib/libm/machine/nds32/configure.in
newlib/libm/machine/nds32/w_sqrt.S
newlib/libm/machine/nds32/wf_sqrt.S
texinfo/texinfo.tex
winsup/cygwin/import/rexec.c
Diffstat (limited to 'newlib/libc/machine')
82 files changed, 0 insertions, 51075 deletions
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"write failure creating $CONFIG_STATUS" "$LINENO" 5 - - -# configure is writing to config.log, and then calls config.status. -# config.status does its own redirection, appending to config.log. -# Unfortunately, on DOS this fails, as config.log is still kept open -# by configure, so config.status won't be able to write to it; its -# output is simply discarded. So we exec the FD to /dev/null, -# effectively closing config.log, so it can be properly (re)opened and -# appended to by config.status. When coming back to configure, we -# need to make the FD available again. -if test "$no_create" != yes; then - ac_cs_success=: - ac_config_status_args= - test "$silent" = yes && - ac_config_status_args="$ac_config_status_args --quiet" - exec 5>/dev/null - $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false - exec 5>>config.log - # Use ||, not &&, to avoid exiting from the if with $? = 1, which - # would make configure fail if this is the last instruction. - $ac_cs_success || as_fn_exit 1 -fi -if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 -$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} -fi - diff --git a/newlib/libc/machine/aarch64/configure.in b/newlib/libc/machine/aarch64/configure.in deleted file mode 100644 index 25415c804..000000000 --- a/newlib/libc/machine/aarch64/configure.in +++ /dev/null @@ -1,14 +0,0 @@ -dnl This is the newlib/libc/machine/aarch64 configure.in file. -dnl Process this file with autoconf to produce a configure script. - -AC_PREREQ(2.59) -AC_INIT([newlib],[NEWLIB_VERSION]) -AC_CONFIG_SRCDIR([setjmp.S]) - -dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. -AC_CONFIG_AUX_DIR(../../../..) - -NEWLIB_CONFIGURE(../../..) - -AC_CONFIG_FILES([Makefile]) -AC_OUTPUT diff --git a/newlib/libc/machine/aarch64/machine/_types.h b/newlib/libc/machine/aarch64/machine/_types.h deleted file mode 100644 index 7df9f8db1..000000000 --- a/newlib/libc/machine/aarch64/machine/_types.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - Copyright (c) 2012 ARM Ltd - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - - THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _MACHINE__TYPES_H -#define _MACHINE__TYPES_H - -#include <machine/_default_types.h> - -#define __ssize_t_defined -typedef long signed int _ssize_t; - -#endif /* _MACHINE__TYPES_H */ diff --git a/newlib/libc/machine/aarch64/memchr-stub.c b/newlib/libc/machine/aarch64/memchr-stub.c deleted file mode 100644 index dc550aa9d..000000000 --- a/newlib/libc/machine/aarch64/memchr-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/memchr.c" -#else -/* See memchr.S */ -#endif diff --git a/newlib/libc/machine/aarch64/memchr.S b/newlib/libc/machine/aarch64/memchr.S deleted file mode 100644 index 53f5d6bc0..000000000 --- a/newlib/libc/machine/aarch64/memchr.S +++ /dev/null @@ -1,176 +0,0 @@ -/* - * memchr - find a character in a memory zone - * - * Copyright (c) 2014, ARM Limited - * All rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the company nor the names of its contributors - * may be used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See memchr-stub.c */ -#else -/* Assumptions: - * - * ARMv8-a, AArch64 - * Neon Available. - */ - -/* Arguments and results. */ -#define srcin x0 -#define chrin w1 -#define cntin x2 - -#define result x0 - -#define src x3 -#define tmp x4 -#define wtmp2 w5 -#define synd x6 -#define soff x9 -#define cntrem x10 - -#define vrepchr v0 -#define vdata1 v1 -#define vdata2 v2 -#define vhas_chr1 v3 -#define vhas_chr2 v4 -#define vrepmask v5 -#define vend v6 - -/* - * Core algorithm: - * - * For each 32-byte chunk we calculate a 64-bit syndrome value, with two bits - * per byte. For each tuple, bit 0 is set if the relevant byte matched the - * requested character and bit 1 is not used (faster than using a 32bit - * syndrome). Since the bits in the syndrome reflect exactly the order in which - * things occur in the original string, counting trailing zeros allows to - * identify exactly which byte has matched. - */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn memchr - /* Do not dereference srcin if no bytes to compare. */ - cbz cntin, .Lzero_length - /* - * Magic constant 0x40100401 allows us to identify which lane matches - * the requested byte. - */ - mov wtmp2, #0x0401 - movk wtmp2, #0x4010, lsl #16 - dup vrepchr.16b, chrin - /* Work with aligned 32-byte chunks */ - bic src, srcin, #31 - dup vrepmask.4s, wtmp2 - ands soff, srcin, #31 - and cntrem, cntin, #31 - b.eq .Lloop - - /* - * Input string is not 32-byte aligned. We calculate the syndrome - * value for the aligned 32 bytes block containing the first bytes - * and mask the irrelevant part. - */ - - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - sub tmp, soff, #32 - adds cntin, cntin, tmp - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - and vhas_chr1.16b, vhas_chr1.16b, vrepmask.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask.16b - addp vend.16b, vhas_chr1.16b, vhas_chr2.16b /* 256->128 */ - addp vend.16b, vend.16b, vend.16b /* 128->64 */ - mov synd, vend.2d[0] - /* Clear the soff*2 lower bits */ - lsl tmp, soff, #1 - lsr synd, synd, tmp - lsl synd, synd, tmp - /* The first block can also be the last */ - b.ls .Lmasklast - /* Have we found something already? */ - cbnz synd, .Ltail - -.Lloop: - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - subs cntin, cntin, #32 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - /* If we're out of data we finish regardless of the result */ - b.ls .Lend - /* Use a fast check for the termination condition */ - orr vend.16b, vhas_chr1.16b, vhas_chr2.16b - addp vend.2d, vend.2d, vend.2d - mov synd, vend.2d[0] - /* We're not out of data, loop if we haven't found the character */ - cbz synd, .Lloop - -.Lend: - /* Termination condition found, let's calculate the syndrome value */ - and vhas_chr1.16b, vhas_chr1.16b, vrepmask.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask.16b - addp vend.16b, vhas_chr1.16b, vhas_chr2.16b /* 256->128 */ - addp vend.16b, vend.16b, vend.16b /* 128->64 */ - mov synd, vend.2d[0] - /* Only do the clear for the last possible block */ - b.hi .Ltail - -.Lmasklast: - /* Clear the (32 - ((cntrem + soff) % 32)) * 2 upper bits */ - add tmp, cntrem, soff - and tmp, tmp, #31 - sub tmp, tmp, #32 - neg tmp, tmp, lsl #1 - lsl synd, synd, tmp - lsr synd, synd, tmp - -.Ltail: - /* Count the trailing zeros using bit reversing */ - rbit synd, synd - /* Compensate the last post-increment */ - sub src, src, #32 - /* Check that we have found a character */ - cmp synd, #0 - /* And count the leading zeros */ - clz synd, synd - /* Compute the potential result */ - add result, src, synd, lsr #1 - /* Select result or NULL */ - csel result, xzr, result, eq - ret - -.Lzero_length: - mov result, #0 - ret - - .size memchr, . - memchr -#endif diff --git a/newlib/libc/machine/aarch64/memcmp-stub.c b/newlib/libc/machine/aarch64/memcmp-stub.c deleted file mode 100644 index a4e4876c3..000000000 --- a/newlib/libc/machine/aarch64/memcmp-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/memcmp.c" -#else -/* See memcmp.S */ -#endif diff --git a/newlib/libc/machine/aarch64/memcmp.S b/newlib/libc/machine/aarch64/memcmp.S deleted file mode 100644 index 860384cc8..000000000 --- a/newlib/libc/machine/aarch64/memcmp.S +++ /dev/null @@ -1,167 +0,0 @@ -/* memcmp - compare memory - - Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See memcmp-stub.c */ -#else -/* Assumptions: - * - * ARMv8-a, AArch64 - */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -/* Parameters and result. */ -#define src1 x0 -#define src2 x1 -#define limit x2 -#define result x0 - -/* Internal variables. */ -#define data1 x3 -#define data1w w3 -#define data2 x4 -#define data2w w4 -#define has_nul x5 -#define diff x6 -#define endloop x7 -#define tmp1 x8 -#define tmp2 x9 -#define tmp3 x10 -#define pos x11 -#define limit_wd x12 -#define mask x13 - -def_fn memcmp p2align=6 - cbz limit, .Lret0 - eor tmp1, src1, src2 - tst tmp1, #7 - b.ne .Lmisaligned8 - ands tmp1, src1, #7 - b.ne .Lmutual_align - add limit_wd, limit, #7 - lsr limit_wd, limit_wd, #3 - /* Start of performance-critical section -- one 64B cache line. */ -.Lloop_aligned: - ldr data1, [src1], #8 - ldr data2, [src2], #8 -.Lstart_realigned: - subs limit_wd, limit_wd, #1 - eor diff, data1, data2 /* Non-zero if differences found. */ - csinv endloop, diff, xzr, ne /* Last Dword or differences. */ - cbz endloop, .Lloop_aligned - /* End of performance-critical section -- one 64B cache line. */ - - /* Not reached the limit, must have found a diff. */ - cbnz limit_wd, .Lnot_limit - - /* Limit % 8 == 0 => all bytes significant. */ - ands limit, limit, #7 - b.eq .Lnot_limit - - lsl limit, limit, #3 /* Bits -> bytes. */ - mov mask, #~0 -#ifdef __AARCH64EB__ - lsr mask, mask, limit -#else - lsl mask, mask, limit -#endif - bic data1, data1, mask - bic data2, data2, mask - - orr diff, diff, mask -.Lnot_limit: - -#ifndef __AARCH64EB__ - rev diff, diff - rev data1, data1 - rev data2, data2 -#endif - /* The MS-non-zero bit of DIFF marks either the first bit - that is different, or the end of the significant data. - Shifting left now will bring the critical information into the - top bits. */ - clz pos, diff - lsl data1, data1, pos - lsl data2, data2, pos - /* But we need to zero-extend (char is unsigned) the value and then - perform a signed 32-bit subtraction. */ - lsr data1, data1, #56 - sub result, data1, data2, lsr #56 - ret - -.Lmutual_align: - /* Sources are mutually aligned, but are not currently at an - alignment boundary. Round down the addresses and then mask off - the bytes that precede the start point. */ - bic src1, src1, #7 - bic src2, src2, #7 - add limit, limit, tmp1 /* Adjust the limit for the extra. */ - lsl tmp1, tmp1, #3 /* Bytes beyond alignment -> bits. */ - ldr data1, [src1], #8 - neg tmp1, tmp1 /* Bits to alignment -64. */ - ldr data2, [src2], #8 - mov tmp2, #~0 -#ifdef __AARCH64EB__ - /* Big-endian. Early bytes are at MSB. */ - lsl tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#else - /* Little-endian. Early bytes are at LSB. */ - lsr tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#endif - add limit_wd, limit, #7 - orr data1, data1, tmp2 - orr data2, data2, tmp2 - lsr limit_wd, limit_wd, #3 - b .Lstart_realigned - -.Lret0: - mov result, #0 - ret - - .p2align 6 -.Lmisaligned8: - sub limit, limit, #1 -1: - /* Perhaps we can do better than this. */ - ldrb data1w, [src1], #1 - ldrb data2w, [src2], #1 - subs limit, limit, #1 - ccmp data1w, data2w, #0, cs /* NZCV = 0b0000. */ - b.eq 1b - sub result, data1, data2 - ret - .size memcmp, . - memcmp - -#endif
\ No newline at end of file diff --git a/newlib/libc/machine/aarch64/memcpy-stub.c b/newlib/libc/machine/aarch64/memcpy-stub.c deleted file mode 100644 index cd6d72a8b..000000000 --- a/newlib/libc/machine/aarch64/memcpy-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/memcpy.c" -#else -/* See memcpy.S */ -#endif diff --git a/newlib/libc/machine/aarch64/memcpy.S b/newlib/libc/machine/aarch64/memcpy.S deleted file mode 100644 index ef5c3a999..000000000 --- a/newlib/libc/machine/aarch64/memcpy.S +++ /dev/null @@ -1,195 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Unaligned accesses - * - */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See memcpy-stub.c */ -#else - -#define dstin x0 -#define src x1 -#define count x2 -#define tmp1 x3 -#define tmp1w w3 -#define tmp2 x4 -#define tmp2w w4 -#define tmp3 x5 -#define tmp3w w5 -#define dst x6 - -#define A_l x7 -#define A_h x8 -#define B_l x9 -#define B_h x10 -#define C_l x11 -#define C_h x12 -#define D_l x13 -#define D_h x14 - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn memcpy p2align=6 - - mov dst, dstin - cmp count, #64 - b.ge .Lcpy_not_short - cmp count, #15 - b.le .Ltail15tiny - - /* Deal with small copies quickly by dropping straight into the - * exit block. */ -.Ltail63: - /* Copy up to 48 bytes of data. At this point we only need the - * bottom 6 bits of count to be accurate. */ - ands tmp1, count, #0x30 - b.eq .Ltail15 - add dst, dst, tmp1 - add src, src, tmp1 - cmp tmp1w, #0x20 - b.eq 1f - b.lt 2f - ldp A_l, A_h, [src, #-48] - stp A_l, A_h, [dst, #-48] -1: - ldp A_l, A_h, [src, #-32] - stp A_l, A_h, [dst, #-32] -2: - ldp A_l, A_h, [src, #-16] - stp A_l, A_h, [dst, #-16] - -.Ltail15: - ands count, count, #15 - beq 1f - add src, src, count - ldp A_l, A_h, [src, #-16] - add dst, dst, count - stp A_l, A_h, [dst, #-16] -1: - ret - -.Ltail15tiny: - /* Copy up to 15 bytes of data. Does not assume additional data - being copied. */ - tbz count, #3, 1f - ldr tmp1, [src], #8 - str tmp1, [dst], #8 -1: - tbz count, #2, 1f - ldr tmp1w, [src], #4 - str tmp1w, [dst], #4 -1: - tbz count, #1, 1f - ldrh tmp1w, [src], #2 - strh tmp1w, [dst], #2 -1: - tbz count, #0, 1f - ldrb tmp1w, [src] - strb tmp1w, [dst] -1: - ret - -.Lcpy_not_short: - /* We don't much care about the alignment of DST, but we want SRC - * to be 128-bit (16 byte) aligned so that we don't cross cache line - * boundaries on both loads and stores. */ - neg tmp2, src - ands tmp2, tmp2, #15 /* Bytes to reach alignment. */ - b.eq 2f - sub count, count, tmp2 - /* Copy more data than needed; it's faster than jumping - * around copying sub-Quadword quantities. We know that - * it can't overrun. */ - ldp A_l, A_h, [src] - add src, src, tmp2 - stp A_l, A_h, [dst] - add dst, dst, tmp2 - /* There may be less than 63 bytes to go now. */ - cmp count, #63 - b.le .Ltail63 -2: - subs count, count, #128 - b.ge .Lcpy_body_large - /* Less than 128 bytes to copy, so handle 64 here and then jump - * to the tail. */ - ldp A_l, A_h, [src] - ldp B_l, B_h, [src, #16] - ldp C_l, C_h, [src, #32] - ldp D_l, D_h, [src, #48] - stp A_l, A_h, [dst] - stp B_l, B_h, [dst, #16] - stp C_l, C_h, [dst, #32] - stp D_l, D_h, [dst, #48] - tst count, #0x3f - add src, src, #64 - add dst, dst, #64 - b.ne .Ltail63 - ret - - /* Critical loop. Start at a new cache line boundary. Assuming - * 64 bytes per line this ensures the entire loop is in one line. */ - .p2align 6 -.Lcpy_body_large: - /* There are at least 128 bytes to copy. */ - ldp A_l, A_h, [src, #0] - sub dst, dst, #16 /* Pre-bias. */ - ldp B_l, B_h, [src, #16] - ldp C_l, C_h, [src, #32] - ldp D_l, D_h, [src, #48]! /* src += 64 - Pre-bias. */ -1: - stp A_l, A_h, [dst, #16] - ldp A_l, A_h, [src, #16] - stp B_l, B_h, [dst, #32] - ldp B_l, B_h, [src, #32] - stp C_l, C_h, [dst, #48] - ldp C_l, C_h, [src, #48] - stp D_l, D_h, [dst, #64]! - ldp D_l, D_h, [src, #64]! - subs count, count, #64 - b.ge 1b - stp A_l, A_h, [dst, #16] - stp B_l, B_h, [dst, #32] - stp C_l, C_h, [dst, #48] - stp D_l, D_h, [dst, #64] - add src, src, #16 - add dst, dst, #64 + 16 - tst count, #0x3f - b.ne .Ltail63 - ret - .size memcpy, .-memcpy - -#endif diff --git a/newlib/libc/machine/aarch64/memmove-stub.c b/newlib/libc/machine/aarch64/memmove-stub.c deleted file mode 100644 index 8fa4ab938..000000000 --- a/newlib/libc/machine/aarch64/memmove-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/memmove.c" -#else -/* See memmove.S */ -#endif diff --git a/newlib/libc/machine/aarch64/memmove.S b/newlib/libc/machine/aarch64/memmove.S deleted file mode 100644 index 8cb91f099..000000000 --- a/newlib/libc/machine/aarch64/memmove.S +++ /dev/null @@ -1,329 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See memmove-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Unaligned accesses - */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -/* Parameters and result. */ -#define dstin x0 -#define src x1 -#define count x2 -#define tmp1 x3 -#define tmp1w w3 -#define tmp2 x4 -#define tmp2w w4 -#define tmp3 x5 -#define tmp3w w5 -#define dst x6 - -#define A_l x7 -#define A_h x8 -#define B_l x9 -#define B_h x10 -#define C_l x11 -#define C_h x12 -#define D_l x13 -#define D_h x14 - -def_fn memmove, 6 - cmp dstin, src - b.lo .Ldownwards - add tmp1, src, count - cmp dstin, tmp1 - b.hs memcpy /* No overlap. */ - - /* Upwards move with potential overlap. - * Need to move from the tail backwards. SRC and DST point one - * byte beyond the remaining data to move. */ - add dst, dstin, count - add src, src, count - cmp count, #64 - b.ge .Lmov_not_short_up - - /* Deal with small moves quickly by dropping straight into the - * exit block. */ -.Ltail63up: - /* Move up to 48 bytes of data. At this point we only need the - * bottom 6 bits of count to be accurate. */ - ands tmp1, count, #0x30 - b.eq .Ltail15up - sub dst, dst, tmp1 - sub src, src, tmp1 - cmp tmp1w, #0x20 - b.eq 1f - b.lt 2f - ldp A_l, A_h, [src, #32] - stp A_l, A_h, [dst, #32] -1: - ldp A_l, A_h, [src, #16] - stp A_l, A_h, [dst, #16] -2: - ldp A_l, A_h, [src] - stp A_l, A_h, [dst] -.Ltail15up: - /* Move up to 15 bytes of data. Does not assume additional data - * being moved. */ - tbz count, #3, 1f - ldr tmp1, [src, #-8]! - str tmp1, [dst, #-8]! -1: - tbz count, #2, 1f - ldr tmp1w, [src, #-4]! - str tmp1w, [dst, #-4]! -1: - tbz count, #1, 1f - ldrh tmp1w, [src, #-2]! - strh tmp1w, [dst, #-2]! -1: - tbz count, #0, 1f - ldrb tmp1w, [src, #-1] - strb tmp1w, [dst, #-1] -1: - ret - -.Lmov_not_short_up: - /* We don't much care about the alignment of DST, but we want SRC - * to be 128-bit (16 byte) aligned so that we don't cross cache line - * boundaries on both loads and stores. */ - ands tmp2, src, #15 /* Bytes to reach alignment. */ - b.eq 2f - sub count, count, tmp2 - /* Move enough data to reach alignment; unlike memcpy, we have to - * be aware of the overlap, which means we can't move data twice. */ - tbz tmp2, #3, 1f - ldr tmp1, [src, #-8]! - str tmp1, [dst, #-8]! -1: - tbz tmp2, #2, 1f - ldr tmp1w, [src, #-4]! - str tmp1w, [dst, #-4]! -1: - tbz tmp2, #1, 1f - ldrh tmp1w, [src, #-2]! - strh tmp1w, [dst, #-2]! -1: - tbz tmp2, #0, 1f - ldrb tmp1w, [src, #-1]! - strb tmp1w, [dst, #-1]! -1: - - /* There may be less than 63 bytes to go now. */ - cmp count, #63 - b.le .Ltail63up -2: - subs count, count, #128 - b.ge .Lmov_body_large_up - /* Less than 128 bytes to move, so handle 64 here and then jump - * to the tail. */ - ldp A_l, A_h, [src, #-64]! - ldp B_l, B_h, [src, #16] - ldp C_l, C_h, [src, #32] - ldp D_l, D_h, [src, #48] - stp A_l, A_h, [dst, #-64]! - stp B_l, B_h, [dst, #16] - stp C_l, C_h, [dst, #32] - stp D_l, D_h, [dst, #48] - tst count, #0x3f - b.ne .Ltail63up - ret - - /* Critical loop. Start at a new Icache line boundary. Assuming - * 64 bytes per line this ensures the entire loop is in one line. */ - .p2align 6 -.Lmov_body_large_up: - /* There are at least 128 bytes to move. */ - ldp A_l, A_h, [src, #-16] - ldp B_l, B_h, [src, #-32] - ldp C_l, C_h, [src, #-48] - ldp D_l, D_h, [src, #-64]! -1: - stp A_l, A_h, [dst, #-16] - ldp A_l, A_h, [src, #-16] - stp B_l, B_h, [dst, #-32] - ldp B_l, B_h, [src, #-32] - stp C_l, C_h, [dst, #-48] - ldp C_l, C_h, [src, #-48] - stp D_l, D_h, [dst, #-64]! - ldp D_l, D_h, [src, #-64]! - subs count, count, #64 - b.ge 1b - stp A_l, A_h, [dst, #-16] - stp B_l, B_h, [dst, #-32] - stp C_l, C_h, [dst, #-48] - stp D_l, D_h, [dst, #-64]! - tst count, #0x3f - b.ne .Ltail63up - ret - - -.Ldownwards: - /* For a downwards move we can safely use memcpy provided that - * DST is more than 16 bytes away from SRC. */ - sub tmp1, src, #16 - cmp dstin, tmp1 - b.ls memcpy /* May overlap, but not critically. */ - - mov dst, dstin /* Preserve DSTIN for return value. */ - cmp count, #64 - b.ge .Lmov_not_short_down - - /* Deal with small moves quickly by dropping straight into the - * exit block. */ -.Ltail63down: - /* Move up to 48 bytes of data. At this point we only need the - * bottom 6 bits of count to be accurate. */ - ands tmp1, count, #0x30 - b.eq .Ltail15down - add dst, dst, tmp1 - add src, src, tmp1 - cmp tmp1w, #0x20 - b.eq 1f - b.lt 2f - ldp A_l, A_h, [src, #-48] - stp A_l, A_h, [dst, #-48] -1: - ldp A_l, A_h, [src, #-32] - stp A_l, A_h, [dst, #-32] -2: - ldp A_l, A_h, [src, #-16] - stp A_l, A_h, [dst, #-16] -.Ltail15down: - /* Move up to 15 bytes of data. Does not assume additional data - being moved. */ - tbz count, #3, 1f - ldr tmp1, [src], #8 - str tmp1, [dst], #8 -1: - tbz count, #2, 1f - ldr tmp1w, [src], #4 - str tmp1w, [dst], #4 -1: - tbz count, #1, 1f - ldrh tmp1w, [src], #2 - strh tmp1w, [dst], #2 -1: - tbz count, #0, 1f - ldrb tmp1w, [src] - strb tmp1w, [dst] -1: - ret - -.Lmov_not_short_down: - /* We don't much care about the alignment of DST, but we want SRC - * to be 128-bit (16 byte) aligned so that we don't cross cache line - * boundaries on both loads and stores. */ - neg tmp2, src - ands tmp2, tmp2, #15 /* Bytes to reach alignment. */ - b.eq 2f - sub count, count, tmp2 - /* Move enough data to reach alignment; unlike memcpy, we have to - * be aware of the overlap, which means we can't move data twice. */ - tbz tmp2, #3, 1f - ldr tmp1, [src], #8 - str tmp1, [dst], #8 -1: - tbz tmp2, #2, 1f - ldr tmp1w, [src], #4 - str tmp1w, [dst], #4 -1: - tbz tmp2, #1, 1f - ldrh tmp1w, [src], #2 - strh tmp1w, [dst], #2 -1: - tbz tmp2, #0, 1f - ldrb tmp1w, [src], #1 - strb tmp1w, [dst], #1 -1: - - /* There may be less than 63 bytes to go now. */ - cmp count, #63 - b.le .Ltail63down -2: - subs count, count, #128 - b.ge .Lmov_body_large_down - /* Less than 128 bytes to move, so handle 64 here and then jump - * to the tail. */ - ldp A_l, A_h, [src] - ldp B_l, B_h, [src, #16] - ldp C_l, C_h, [src, #32] - ldp D_l, D_h, [src, #48] - stp A_l, A_h, [dst] - stp B_l, B_h, [dst, #16] - stp C_l, C_h, [dst, #32] - stp D_l, D_h, [dst, #48] - tst count, #0x3f - add src, src, #64 - add dst, dst, #64 - b.ne .Ltail63down - ret - - /* Critical loop. Start at a new cache line boundary. Assuming - * 64 bytes per line this ensures the entire loop is in one line. */ - .p2align 6 -.Lmov_body_large_down: - /* There are at least 128 bytes to move. */ - ldp A_l, A_h, [src, #0] - sub dst, dst, #16 /* Pre-bias. */ - ldp B_l, B_h, [src, #16] - ldp C_l, C_h, [src, #32] - ldp D_l, D_h, [src, #48]! /* src += 64 - Pre-bias. */ -1: - stp A_l, A_h, [dst, #16] - ldp A_l, A_h, [src, #16] - stp B_l, B_h, [dst, #32] - ldp B_l, B_h, [src, #32] - stp C_l, C_h, [dst, #48] - ldp C_l, C_h, [src, #48] - stp D_l, D_h, [dst, #64]! - ldp D_l, D_h, [src, #64]! - subs count, count, #64 - b.ge 1b - stp A_l, A_h, [dst, #16] - stp B_l, B_h, [dst, #32] - stp C_l, C_h, [dst, #48] - stp D_l, D_h, [dst, #64] - add src, src, #16 - add dst, dst, #64 + 16 - tst count, #0x3f - b.ne .Ltail63down - ret - .size memmove, . - memmove -#endif diff --git a/newlib/libc/machine/aarch64/memset-stub.c b/newlib/libc/machine/aarch64/memset-stub.c deleted file mode 100644 index 7defee835..000000000 --- a/newlib/libc/machine/aarch64/memset-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/memset.c" -#else -/* See memset.S */ -#endif diff --git a/newlib/libc/machine/aarch64/memset.S b/newlib/libc/machine/aarch64/memset.S deleted file mode 100644 index 20372df94..000000000 --- a/newlib/libc/machine/aarch64/memset.S +++ /dev/null @@ -1,246 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Unaligned accesses - * - */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See memset-stub.c */ -#else - -/* By default we assume that the DC instruction can be used to zero - data blocks more efficiently. In some circumstances this might be - unsafe, for example in an asymmetric multiprocessor environment with - different DC clear lengths (neither the upper nor lower lengths are - safe to use). The feature can be disabled by defining DONT_USE_DC. - - If code may be run in a virtualized environment, then define - MAYBE_VIRT. This will cause the code to cache the system register - values rather than re-reading them each call. */ - -#define dstin x0 -#define val w1 -#define count x2 -#define tmp1 x3 -#define tmp1w w3 -#define tmp2 x4 -#define tmp2w w4 -#define zva_len_x x5 -#define zva_len w5 -#define zva_bits_x x6 - -#define A_l x7 -#define A_lw w7 -#define dst x8 -#define tmp3w w9 - - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn memset p2align=6 - - mov dst, dstin /* Preserve return value. */ - ands A_lw, val, #255 -#ifndef DONT_USE_DC - b.eq .Lzero_mem -#endif - orr A_lw, A_lw, A_lw, lsl #8 - orr A_lw, A_lw, A_lw, lsl #16 - orr A_l, A_l, A_l, lsl #32 -.Ltail_maybe_long: - cmp count, #64 - b.ge .Lnot_short -.Ltail_maybe_tiny: - cmp count, #15 - b.le .Ltail15tiny -.Ltail63: - ands tmp1, count, #0x30 - b.eq .Ltail15 - add dst, dst, tmp1 - cmp tmp1w, #0x20 - b.eq 1f - b.lt 2f - stp A_l, A_l, [dst, #-48] -1: - stp A_l, A_l, [dst, #-32] -2: - stp A_l, A_l, [dst, #-16] - -.Ltail15: - and count, count, #15 - add dst, dst, count - stp A_l, A_l, [dst, #-16] /* Repeat some/all of last store. */ - ret - -.Ltail15tiny: - /* Set up to 15 bytes. Does not assume earlier memory - being set. */ - tbz count, #3, 1f - str A_l, [dst], #8 -1: - tbz count, #2, 1f - str A_lw, [dst], #4 -1: - tbz count, #1, 1f - strh A_lw, [dst], #2 -1: - tbz count, #0, 1f - strb A_lw, [dst] -1: - ret - - /* Critical loop. Start at a new cache line boundary. Assuming - * 64 bytes per line, this ensures the entire loop is in one line. */ - .p2align 6 -.Lnot_short: - neg tmp2, dst - ands tmp2, tmp2, #15 - b.eq 2f - /* Bring DST to 128-bit (16-byte) alignment. We know that there's - * more than that to set, so we simply store 16 bytes and advance by - * the amount required to reach alignment. */ - sub count, count, tmp2 - stp A_l, A_l, [dst] - add dst, dst, tmp2 - /* There may be less than 63 bytes to go now. */ - cmp count, #63 - b.le .Ltail63 -2: - sub dst, dst, #16 /* Pre-bias. */ - sub count, count, #64 -1: - stp A_l, A_l, [dst, #16] - stp A_l, A_l, [dst, #32] - stp A_l, A_l, [dst, #48] - stp A_l, A_l, [dst, #64]! - subs count, count, #64 - b.ge 1b - tst count, #0x3f - add dst, dst, #16 - b.ne .Ltail63 - ret - -#ifndef DONT_USE_DC - /* For zeroing memory, check to see if we can use the ZVA feature to - * zero entire 'cache' lines. */ -.Lzero_mem: - mov A_l, #0 - cmp count, #63 - b.le .Ltail_maybe_tiny - neg tmp2, dst - ands tmp2, tmp2, #15 - b.eq 1f - sub count, count, tmp2 - stp A_l, A_l, [dst] - add dst, dst, tmp2 - cmp count, #63 - b.le .Ltail63 -1: - /* For zeroing small amounts of memory, it's not worth setting up - * the line-clear code. */ - cmp count, #128 - b.lt .Lnot_short -#ifdef MAYBE_VIRT - /* For efficiency when virtualized, we cache the ZVA capability. */ - adrp tmp2, .Lcache_clear - ldr zva_len, [tmp2, #:lo12:.Lcache_clear] - tbnz zva_len, #31, .Lnot_short - cbnz zva_len, .Lzero_by_line - mrs tmp1, dczid_el0 - tbz tmp1, #4, 1f - /* ZVA not available. Remember this for next time. */ - mov zva_len, #~0 - str zva_len, [tmp2, #:lo12:.Lcache_clear] - b .Lnot_short -1: - mov tmp3w, #4 - and zva_len, tmp1w, #15 /* Safety: other bits reserved. */ - lsl zva_len, tmp3w, zva_len - str zva_len, [tmp2, #:lo12:.Lcache_clear] -#else - mrs tmp1, dczid_el0 - tbnz tmp1, #4, .Lnot_short - mov tmp3w, #4 - and zva_len, tmp1w, #15 /* Safety: other bits reserved. */ - lsl zva_len, tmp3w, zva_len -#endif - -.Lzero_by_line: - /* Compute how far we need to go to become suitably aligned. We're - * already at quad-word alignment. */ - cmp count, zva_len_x - b.lt .Lnot_short /* Not enough to reach alignment. */ - sub zva_bits_x, zva_len_x, #1 - neg tmp2, dst - ands tmp2, tmp2, zva_bits_x - b.eq 1f /* Already aligned. */ - /* Not aligned, check that there's enough to copy after alignment. */ - sub tmp1, count, tmp2 - cmp tmp1, #64 - ccmp tmp1, zva_len_x, #8, ge /* NZCV=0b1000 */ - b.lt .Lnot_short - /* We know that there's at least 64 bytes to zero and that it's safe - * to overrun by 64 bytes. */ - mov count, tmp1 -2: - stp A_l, A_l, [dst] - stp A_l, A_l, [dst, #16] - stp A_l, A_l, [dst, #32] - subs tmp2, tmp2, #64 - stp A_l, A_l, [dst, #48] - add dst, dst, #64 - b.ge 2b - /* We've overrun a bit, so adjust dst downwards. */ - add dst, dst, tmp2 -1: - sub count, count, zva_len_x -3: - dc zva, dst - add dst, dst, zva_len_x - subs count, count, zva_len_x - b.ge 3b - ands count, count, zva_bits_x - b.ne .Ltail_maybe_long - ret - .size memset, .-memset -#ifdef MAYBE_VIRT - .bss - .p2align 2 -.Lcache_clear: - .space 4 -#endif -#endif /* DONT_USE_DC */ -#endif diff --git a/newlib/libc/machine/aarch64/setjmp.S b/newlib/libc/machine/aarch64/setjmp.S deleted file mode 100644 index 0856145bf..000000000 --- a/newlib/libc/machine/aarch64/setjmp.S +++ /dev/null @@ -1,74 +0,0 @@ -/* - Copyright (c) 2011, 2012 ARM Ltd - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - 3. The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - - THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED - WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#define GPR_LAYOUT \ - REG_PAIR (x19, x20, 0); \ - REG_PAIR (x21, x22, 16); \ - REG_PAIR (x23, x24, 32); \ - REG_PAIR (x25, x26, 48); \ - REG_PAIR (x27, x28, 64); \ - REG_PAIR (x29, x30, 80); \ - REG_ONE (x16, 96) - -#define FPR_LAYOUT \ - REG_PAIR ( d8, d9, 112); \ - REG_PAIR (d10, d11, 128); \ - REG_PAIR (d12, d13, 144); \ - REG_PAIR (d14, d15, 160); - -// int setjmp (jmp_buf) - .global setjmp - .type setjmp, %function -setjmp: - mov x16, sp -#define REG_PAIR(REG1, REG2, OFFS) stp REG1, REG2, [x0, OFFS] -#define REG_ONE(REG1, OFFS) str REG1, [x0, OFFS] - GPR_LAYOUT - FPR_LAYOUT -#undef REG_PAIR -#undef REG_ONE - mov w0, #0 - ret - .size setjmp, .-setjmp - -// void longjmp (jmp_buf, int) __attribute__ ((noreturn)) - .global longjmp - .type longjmp, %function -longjmp: -#define REG_PAIR(REG1, REG2, OFFS) ldp REG1, REG2, [x0, OFFS] -#define REG_ONE(REG1, OFFS) ldr REG1, [x0, OFFS] - GPR_LAYOUT - FPR_LAYOUT -#undef REG_PAIR -#undef REG_ONE - mov sp, x16 - cmp w1, #0 - cinc w0, w1, eq - // use br not ret, as ret is guaranteed to mispredict - br x30 - .size longjmp, .-longjmp diff --git a/newlib/libc/machine/aarch64/stpcpy-stub.c b/newlib/libc/machine/aarch64/stpcpy-stub.c deleted file mode 100644 index bfaba5cf8..000000000 --- a/newlib/libc/machine/aarch64/stpcpy-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2015, ARM Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/stpcpy.c" -#else -/* See stpcpy.S */ -#endif diff --git a/newlib/libc/machine/aarch64/stpcpy.S b/newlib/libc/machine/aarch64/stpcpy.S deleted file mode 100644 index 696b45889..000000000 --- a/newlib/libc/machine/aarch64/stpcpy.S +++ /dev/null @@ -1,34 +0,0 @@ -/* - stpcpy - copy a string returning pointer to end. - - Copyright (c) 2015 ARM Ltd. - All Rights Reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/* This is just a wrapper that uses strcpy code with appropriate - pre-defines. */ - -#define BUILD_STPCPY -#include "strcpy.S" diff --git a/newlib/libc/machine/aarch64/strchr-stub.c b/newlib/libc/machine/aarch64/strchr-stub.c deleted file mode 100644 index 3f9ec2d20..000000000 --- a/newlib/libc/machine/aarch64/strchr-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2014, ARM Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strchr.c" -#else -/* See strchr.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strchr.S b/newlib/libc/machine/aarch64/strchr.S deleted file mode 100644 index 2448dbc7d..000000000 --- a/newlib/libc/machine/aarch64/strchr.S +++ /dev/null @@ -1,164 +0,0 @@ -/* - strchr - find a character in a string - - Copyright (c) 2014, ARM Limited - All rights Reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strchr-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Neon Available. - */ - -/* Arguments and results. */ -#define srcin x0 -#define chrin w1 - -#define result x0 - -#define src x2 -#define tmp1 x3 -#define wtmp2 w4 -#define tmp3 x5 - -#define vrepchr v0 -#define vdata1 v1 -#define vdata2 v2 -#define vhas_nul1 v3 -#define vhas_nul2 v4 -#define vhas_chr1 v5 -#define vhas_chr2 v6 -#define vrepmask_0 v7 -#define vrepmask_c v16 -#define vend1 v17 -#define vend2 v18 - -/* Core algorithm. - - For each 32-byte hunk we calculate a 64-bit syndrome value, with - two bits per byte (LSB is always in bits 0 and 1, for both big - and little-endian systems). For each tuple, bit 0 is set iff - the relevant byte matched the requested character; bit 1 is set - iff the relevant byte matched the NUL end of string (we trigger - off bit0 for the special case of looking for NUL). Since the bits - in the syndrome reflect exactly the order in which things occur - in the original string a count_trailing_zeros() operation will - identify exactly which byte is causing the termination, and why. */ - -/* Locals and temporaries. */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn strchr - /* Magic constant 0x40100401 to allow us to identify which lane - matches the requested byte. Magic constant 0x80200802 used - similarly for NUL termination. */ - mov wtmp2, #0x0401 - movk wtmp2, #0x4010, lsl #16 - dup vrepchr.16b, chrin - bic src, srcin, #31 /* Work with aligned 32-byte hunks. */ - dup vrepmask_c.4s, wtmp2 - ands tmp1, srcin, #31 - add vrepmask_0.4s, vrepmask_c.4s, vrepmask_c.4s /* equiv: lsl #1 */ - b.eq .Lloop - - /* Input string is not 32-byte aligned. Rather than forcing - the padding bytes to a safe value, we calculate the syndrome - for all the bytes, but then mask off those bits of the - syndrome that are related to the padding. */ - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - neg tmp1, tmp1 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - and vhas_nul1.16b, vhas_nul1.16b, vrepmask_0.16b - and vhas_nul2.16b, vhas_nul2.16b, vrepmask_0.16b - and vhas_chr1.16b, vhas_chr1.16b, vrepmask_c.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask_c.16b - orr vend1.16b, vhas_nul1.16b, vhas_chr1.16b - orr vend2.16b, vhas_nul2.16b, vhas_chr2.16b - lsl tmp1, tmp1, #1 - addp vend1.16b, vend1.16b, vend2.16b // 256->128 - mov tmp3, #~0 - addp vend1.16b, vend1.16b, vend2.16b // 128->64 - lsr tmp1, tmp3, tmp1 - - mov tmp3, vend1.2d[0] - bic tmp1, tmp3, tmp1 // Mask padding bits. - cbnz tmp1, .Ltail - -.Lloop: - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - /* Use a fast check for the termination condition. */ - orr vend1.16b, vhas_nul1.16b, vhas_chr1.16b - orr vend2.16b, vhas_nul2.16b, vhas_chr2.16b - orr vend1.16b, vend1.16b, vend2.16b - addp vend1.2d, vend1.2d, vend1.2d - mov tmp1, vend1.2d[0] - cbz tmp1, .Lloop - - /* Termination condition found. Now need to establish exactly why - we terminated. */ - and vhas_nul1.16b, vhas_nul1.16b, vrepmask_0.16b - and vhas_nul2.16b, vhas_nul2.16b, vrepmask_0.16b - and vhas_chr1.16b, vhas_chr1.16b, vrepmask_c.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask_c.16b - orr vend1.16b, vhas_nul1.16b, vhas_chr1.16b - orr vend2.16b, vhas_nul2.16b, vhas_chr2.16b - addp vend1.16b, vend1.16b, vend2.16b // 256->128 - addp vend1.16b, vend1.16b, vend2.16b // 128->64 - - mov tmp1, vend1.2d[0] -.Ltail: - /* Count the trailing zeros, by bit reversing... */ - rbit tmp1, tmp1 - /* Re-bias source. */ - sub src, src, #32 - clz tmp1, tmp1 /* And counting the leading zeros. */ - /* Tmp1 is even if the target charager was found first. Otherwise - we've found the end of string and we weren't looking for NUL. */ - tst tmp1, #1 - add result, src, tmp1, lsr #1 - csel result, result, xzr, eq - ret - - .size strchr, . - strchr -#endif diff --git a/newlib/libc/machine/aarch64/strchrnul-stub.c b/newlib/libc/machine/aarch64/strchrnul-stub.c deleted file mode 100644 index b47e92d3f..000000000 --- a/newlib/libc/machine/aarch64/strchrnul-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2014, ARM Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strchrnul.c" -#else -/* See strchrnul.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strchrnul.S b/newlib/libc/machine/aarch64/strchrnul.S deleted file mode 100644 index a0ac13b7f..000000000 --- a/newlib/libc/machine/aarch64/strchrnul.S +++ /dev/null @@ -1,149 +0,0 @@ -/* - strchrnul - find a character or nul in a string - - Copyright (c) 2014, ARM Limited - All rights Reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strchrnul-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Neon Available. - */ - -/* Arguments and results. */ -#define srcin x0 -#define chrin w1 - -#define result x0 - -#define src x2 -#define tmp1 x3 -#define wtmp2 w4 -#define tmp3 x5 - -#define vrepchr v0 -#define vdata1 v1 -#define vdata2 v2 -#define vhas_nul1 v3 -#define vhas_nul2 v4 -#define vhas_chr1 v5 -#define vhas_chr2 v6 -#define vrepmask v7 -#define vend1 v16 - -/* Core algorithm. - - For each 32-byte hunk we calculate a 64-bit syndrome value, with - two bits per byte (LSB is always in bits 0 and 1, for both big - and little-endian systems). For each tuple, bit 0 is set iff - the relevant byte matched the requested character or nul. Since the - bits in the syndrome reflect exactly the order in which things occur - in the original string a count_trailing_zeros() operation will - identify exactly which byte is causing the termination. */ - -/* Locals and temporaries. */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn strchrnul - /* Magic constant 0x40100401 to allow us to identify which lane - matches the termination condition. */ - mov wtmp2, #0x0401 - movk wtmp2, #0x4010, lsl #16 - dup vrepchr.16b, chrin - bic src, srcin, #31 /* Work with aligned 32-byte hunks. */ - dup vrepmask.4s, wtmp2 - ands tmp1, srcin, #31 - b.eq .Lloop - - /* Input string is not 32-byte aligned. Rather than forcing - the padding bytes to a safe value, we calculate the syndrome - for all the bytes, but then mask off those bits of the - syndrome that are related to the padding. */ - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - neg tmp1, tmp1 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - orr vhas_chr1.16b, vhas_chr1.16b, vhas_nul1.16b - orr vhas_chr2.16b, vhas_chr2.16b, vhas_nul2.16b - and vhas_chr1.16b, vhas_chr1.16b, vrepmask.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask.16b - lsl tmp1, tmp1, #1 - addp vend1.16b, vhas_chr1.16b, vhas_chr2.16b // 256->128 - mov tmp3, #~0 - addp vend1.16b, vend1.16b, vend1.16b // 128->64 - lsr tmp1, tmp3, tmp1 - - mov tmp3, vend1.2d[0] - bic tmp1, tmp3, tmp1 // Mask padding bits. - cbnz tmp1, .Ltail - -.Lloop: - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - /* Use a fast check for the termination condition. */ - orr vhas_chr1.16b, vhas_nul1.16b, vhas_chr1.16b - orr vhas_chr2.16b, vhas_nul2.16b, vhas_chr2.16b - orr vend1.16b, vhas_chr1.16b, vhas_chr2.16b - addp vend1.2d, vend1.2d, vend1.2d - mov tmp1, vend1.2d[0] - cbz tmp1, .Lloop - - /* Termination condition found. Now need to establish exactly why - we terminated. */ - and vhas_chr1.16b, vhas_chr1.16b, vrepmask.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask.16b - addp vend1.16b, vhas_chr1.16b, vhas_chr2.16b // 256->128 - addp vend1.16b, vend1.16b, vend1.16b // 128->64 - - mov tmp1, vend1.2d[0] -.Ltail: - /* Count the trailing zeros, by bit reversing... */ - rbit tmp1, tmp1 - /* Re-bias source. */ - sub src, src, #32 - clz tmp1, tmp1 /* ... and counting the leading zeros. */ - /* tmp1 is twice the offset into the fragment. */ - add result, src, tmp1, lsr #1 - ret - - .size strchrnul, . - strchrnul -#endif diff --git a/newlib/libc/machine/aarch64/strcmp-stub.c b/newlib/libc/machine/aarch64/strcmp-stub.c deleted file mode 100644 index 871a24197..000000000 --- a/newlib/libc/machine/aarch64/strcmp-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strcmp.c" -#else -/* See strcmp.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strcmp.S b/newlib/libc/machine/aarch64/strcmp.S deleted file mode 100644 index 85baca920..000000000 --- a/newlib/libc/machine/aarch64/strcmp.S +++ /dev/null @@ -1,173 +0,0 @@ -/* Copyright (c) 2012-2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -/* Assumptions: - * - * ARMv8-a, AArch64 - */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strcmp-stub.c */ -#else - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -#define REP8_01 0x0101010101010101 -#define REP8_7f 0x7f7f7f7f7f7f7f7f -#define REP8_80 0x8080808080808080 - -/* Parameters and result. */ -#define src1 x0 -#define src2 x1 -#define result x0 - -/* Internal variables. */ -#define data1 x2 -#define data1w w2 -#define data2 x3 -#define data2w w3 -#define has_nul x4 -#define diff x5 -#define syndrome x6 -#define tmp1 x7 -#define tmp2 x8 -#define tmp3 x9 -#define zeroones x10 -#define pos x11 - - /* Start of performance-critical section -- one 64B cache line. */ -def_fn strcmp p2align=6 - eor tmp1, src1, src2 - mov zeroones, #REP8_01 - tst tmp1, #7 - b.ne .Lmisaligned8 - ands tmp1, src1, #7 - b.ne .Lmutual_align - /* NUL detection works on the principle that (X - 1) & (~X) & 0x80 - (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and - can be done in parallel across the entire word. */ -.Lloop_aligned: - ldr data1, [src1], #8 - ldr data2, [src2], #8 -.Lstart_realigned: - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - eor diff, data1, data2 /* Non-zero if differences found. */ - bic has_nul, tmp1, tmp2 /* Non-zero if NUL terminator. */ - orr syndrome, diff, has_nul - cbz syndrome, .Lloop_aligned - /* End of performance-critical section -- one 64B cache line. */ - -#ifndef __AARCH64EB__ - rev syndrome, syndrome - rev data1, data1 - /* The MS-non-zero bit of the syndrome marks either the first bit - that is different, or the top bit of the first zero byte. - Shifting left now will bring the critical information into the - top bits. */ - clz pos, syndrome - rev data2, data2 - lsl data1, data1, pos - lsl data2, data2, pos - /* But we need to zero-extend (char is unsigned) the value and then - perform a signed 32-bit subtraction. */ - lsr data1, data1, #56 - sub result, data1, data2, lsr #56 - ret -#else - /* For big-endian we cannot use the trick with the syndrome value - as carry-propagation can corrupt the upper bits if the trailing - bytes in the string contain 0x01. */ - /* However, if there is no NUL byte in the dword, we can generate - the result directly. We can't just subtract the bytes as the - MSB might be significant. */ - cbnz has_nul, 1f - cmp data1, data2 - cset result, ne - cneg result, result, lo - ret -1: - /* Re-compute the NUL-byte detection, using a byte-reversed value. */ - rev tmp3, data1 - sub tmp1, tmp3, zeroones - orr tmp2, tmp3, #REP8_7f - bic has_nul, tmp1, tmp2 - rev has_nul, has_nul - orr syndrome, diff, has_nul - clz pos, syndrome - /* The MS-non-zero bit of the syndrome marks either the first bit - that is different, or the top bit of the first zero byte. - Shifting left now will bring the critical information into the - top bits. */ - lsl data1, data1, pos - lsl data2, data2, pos - /* But we need to zero-extend (char is unsigned) the value and then - perform a signed 32-bit subtraction. */ - lsr data1, data1, #56 - sub result, data1, data2, lsr #56 - ret -#endif - -.Lmutual_align: - /* Sources are mutually aligned, but are not currently at an - alignment boundary. Round down the addresses and then mask off - the bytes that preceed the start point. */ - bic src1, src1, #7 - bic src2, src2, #7 - lsl tmp1, tmp1, #3 /* Bytes beyond alignment -> bits. */ - ldr data1, [src1], #8 - neg tmp1, tmp1 /* Bits to alignment -64. */ - ldr data2, [src2], #8 - mov tmp2, #~0 -#ifdef __AARCH64EB__ - /* Big-endian. Early bytes are at MSB. */ - lsl tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#else - /* Little-endian. Early bytes are at LSB. */ - lsr tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#endif - orr data1, data1, tmp2 - orr data2, data2, tmp2 - b .Lstart_realigned - -.Lmisaligned8: - /* We can do better than this. */ - ldrb data1w, [src1], #1 - ldrb data2w, [src2], #1 - cmp data1w, #1 - ccmp data1w, data2w, #0, cs /* NZCV = 0b0000. */ - b.eq .Lmisaligned8 - sub result, data1, data2 - ret - .size strcmp, .-strcmp - -#endif diff --git a/newlib/libc/machine/aarch64/strcpy-stub.c b/newlib/libc/machine/aarch64/strcpy-stub.c deleted file mode 100644 index 966277cad..000000000 --- a/newlib/libc/machine/aarch64/strcpy-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2014, ARM Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strcpy.c" -#else -/* See strcpy.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strcpy.S b/newlib/libc/machine/aarch64/strcpy.S deleted file mode 100644 index e5405f253..000000000 --- a/newlib/libc/machine/aarch64/strcpy.S +++ /dev/null @@ -1,341 +0,0 @@ -/* - strcpy/stpcpy - copy a string returning pointer to start/end. - - Copyright (c) 2013, 2014, 2015 ARM Ltd. - All Rights Reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strchr-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64, unaligned accesses, min page size 4k. - */ - -/* To build as stpcpy, define BUILD_STPCPY before compiling this file. - - To test the page crossing code path more thoroughly, compile with - -DSTRCPY_TEST_PAGE_CROSS - this will force all copies through the slower - entry path. This option is not intended for production use. */ - -/* Arguments and results. */ -#define dstin x0 -#define srcin x1 - -/* Locals and temporaries. */ -#define src x2 -#define dst x3 -#define data1 x4 -#define data1w w4 -#define data2 x5 -#define data2w w5 -#define has_nul1 x6 -#define has_nul2 x7 -#define tmp1 x8 -#define tmp2 x9 -#define tmp3 x10 -#define tmp4 x11 -#define zeroones x12 -#define data1a x13 -#define data2a x14 -#define pos x15 -#define len x16 -#define to_align x17 - -#ifdef BUILD_STPCPY -#define STRCPY stpcpy -#else -#define STRCPY strcpy -#endif - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - - /* NUL detection works on the principle that (X - 1) & (~X) & 0x80 - (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and - can be done in parallel across the entire word. */ - -#define REP8_01 0x0101010101010101 -#define REP8_7f 0x7f7f7f7f7f7f7f7f -#define REP8_80 0x8080808080808080 - - /* AArch64 systems have a minimum page size of 4k. We can do a quick - page size check for crossing this boundary on entry and if we - do not, then we can short-circuit much of the entry code. We - expect early page-crossing strings to be rare (probability of - 16/MIN_PAGE_SIZE ~= 0.4%), so the branch should be quite - predictable, even with random strings. - - We don't bother checking for larger page sizes, the cost of setting - up the correct page size is just not worth the extra gain from - a small reduction in the cases taking the slow path. Note that - we only care about whether the first fetch, which may be - misaligned, crosses a page boundary - after that we move to aligned - fetches for the remainder of the string. */ - -#ifdef STRCPY_TEST_PAGE_CROSS - /* Make everything that isn't Qword aligned look like a page cross. */ -#define MIN_PAGE_P2 4 -#else -#define MIN_PAGE_P2 12 -#endif - -#define MIN_PAGE_SIZE (1 << MIN_PAGE_P2) - -def_fn STRCPY p2align=6 - /* For moderately short strings, the fastest way to do the copy is to - calculate the length of the string in the same way as strlen, then - essentially do a memcpy of the result. This avoids the need for - multiple byte copies and further means that by the time we - reach the bulk copy loop we know we can always use DWord - accesses. We expect strcpy to rarely be called repeatedly - with the same source string, so branch prediction is likely to - always be difficult - we mitigate against this by preferring - conditional select operations over branches whenever this is - feasible. */ - and tmp2, srcin, #(MIN_PAGE_SIZE - 1) - mov zeroones, #REP8_01 - and to_align, srcin, #15 - cmp tmp2, #(MIN_PAGE_SIZE - 16) - neg tmp1, to_align - /* The first fetch will straddle a (possible) page boundary iff - srcin + 15 causes bit[MIN_PAGE_P2] to change value. A 16-byte - aligned string will never fail the page align check, so will - always take the fast path. */ - b.gt .Lpage_cross - -.Lpage_cross_ok: - ldp data1, data2, [srcin] -#ifdef __AARCH64EB__ - /* Because we expect the end to be found within 16 characters - (profiling shows this is the most common case), it's worth - swapping the bytes now to save having to recalculate the - termination syndrome later. We preserve data1 and data2 - so that we can re-use the values later on. */ - rev tmp2, data1 - sub tmp1, tmp2, zeroones - orr tmp2, tmp2, #REP8_7f - bics has_nul1, tmp1, tmp2 - b.ne .Lfp_le8 - rev tmp4, data2 - sub tmp3, tmp4, zeroones - orr tmp4, tmp4, #REP8_7f -#else - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - bics has_nul1, tmp1, tmp2 - b.ne .Lfp_le8 - sub tmp3, data2, zeroones - orr tmp4, data2, #REP8_7f -#endif - bics has_nul2, tmp3, tmp4 - b.eq .Lbulk_entry - - /* The string is short (<=16 bytes). We don't know exactly how - short though, yet. Work out the exact length so that we can - quickly select the optimal copy strategy. */ -.Lfp_gt8: - rev has_nul2, has_nul2 - clz pos, has_nul2 - mov tmp2, #56 - add dst, dstin, pos, lsr #3 /* Bits to bytes. */ - sub pos, tmp2, pos -#ifdef __AARCH64EB__ - lsr data2, data2, pos -#else - lsl data2, data2, pos -#endif - str data2, [dst, #1] - str data1, [dstin] -#ifdef BUILD_STPCPY - add dstin, dst, #8 -#endif - ret - -.Lfp_le8: - rev has_nul1, has_nul1 - clz pos, has_nul1 - add dst, dstin, pos, lsr #3 /* Bits to bytes. */ - subs tmp2, pos, #24 /* Pos in bits. */ - b.lt .Lfp_lt4 -#ifdef __AARCH64EB__ - mov tmp2, #56 - sub pos, tmp2, pos - lsr data2, data1, pos - lsr data1, data1, #32 -#else - lsr data2, data1, tmp2 -#endif - /* 4->7 bytes to copy. */ - str data2w, [dst, #-3] - str data1w, [dstin] -#ifdef BUILD_STPCPY - mov dstin, dst -#endif - ret -.Lfp_lt4: - cbz pos, .Lfp_lt2 - /* 2->3 bytes to copy. */ -#ifdef __AARCH64EB__ - lsr data1, data1, #48 -#endif - strh data1w, [dstin] - /* Fall-through, one byte (max) to go. */ -.Lfp_lt2: - /* Null-terminated string. Last character must be zero! */ - strb wzr, [dst] -#ifdef BUILD_STPCPY - mov dstin, dst -#endif - ret - - .p2align 6 - /* Aligning here ensures that the entry code and main loop all lies - within one 64-byte cache line. */ -.Lbulk_entry: - sub to_align, to_align, #16 - stp data1, data2, [dstin] - sub src, srcin, to_align - sub dst, dstin, to_align - b .Lentry_no_page_cross - - /* The inner loop deals with two Dwords at a time. This has a - slightly higher start-up cost, but we should win quite quickly, - especially on cores with a high number of issue slots per - cycle, as we get much better parallelism out of the operations. */ -.Lmain_loop: - stp data1, data2, [dst], #16 -.Lentry_no_page_cross: - ldp data1, data2, [src], #16 - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, #REP8_7f - bic has_nul1, tmp1, tmp2 - bics has_nul2, tmp3, tmp4 - ccmp has_nul1, #0, #0, eq /* NZCV = 0000 */ - b.eq .Lmain_loop - - /* Since we know we are copying at least 16 bytes, the fastest way - to deal with the tail is to determine the location of the - trailing NUL, then (re)copy the 16 bytes leading up to that. */ - cmp has_nul1, #0 -#ifdef __AARCH64EB__ - /* For big-endian, carry propagation (if the final byte in the - string is 0x01) means we cannot use has_nul directly. The - easiest way to get the correct byte is to byte-swap the data - and calculate the syndrome a second time. */ - csel data1, data1, data2, ne - rev data1, data1 - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - bic has_nul1, tmp1, tmp2 -#else - csel has_nul1, has_nul1, has_nul2, ne -#endif - rev has_nul1, has_nul1 - clz pos, has_nul1 - add tmp1, pos, #72 - add pos, pos, #8 - csel pos, pos, tmp1, ne - add src, src, pos, lsr #3 - add dst, dst, pos, lsr #3 - ldp data1, data2, [src, #-32] - stp data1, data2, [dst, #-16] -#ifdef BUILD_STPCPY - sub dstin, dst, #1 -#endif - ret - -.Lpage_cross: - bic src, srcin, #15 - /* Start by loading two words at [srcin & ~15], then forcing the - bytes that precede srcin to 0xff. This means they never look - like termination bytes. */ - ldp data1, data2, [src] - lsl tmp1, tmp1, #3 /* Bytes beyond alignment -> bits. */ - tst to_align, #7 - csetm tmp2, ne -#ifdef __AARCH64EB__ - lsl tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#else - lsr tmp2, tmp2, tmp1 /* Shift (tmp1 & 63). */ -#endif - orr data1, data1, tmp2 - orr data2a, data2, tmp2 - cmp to_align, #8 - csinv data1, data1, xzr, lt - csel data2, data2, data2a, lt - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, #REP8_7f - bic has_nul1, tmp1, tmp2 - bics has_nul2, tmp3, tmp4 - ccmp has_nul1, #0, #0, eq /* NZCV = 0000 */ - b.eq .Lpage_cross_ok - /* We now need to make data1 and data2 look like they've been - loaded directly from srcin. Do a rotate on the 128-bit value. */ - lsl tmp1, to_align, #3 /* Bytes->bits. */ - neg tmp2, to_align, lsl #3 -#ifdef __AARCH64EB__ - lsl data1a, data1, tmp1 - lsr tmp4, data2, tmp2 - lsl data2, data2, tmp1 - orr tmp4, tmp4, data1a - cmp to_align, #8 - csel data1, tmp4, data2, lt - rev tmp2, data1 - rev tmp4, data2 - sub tmp1, tmp2, zeroones - orr tmp2, tmp2, #REP8_7f - sub tmp3, tmp4, zeroones - orr tmp4, tmp4, #REP8_7f -#else - lsr data1a, data1, tmp1 - lsl tmp4, data2, tmp2 - lsr data2, data2, tmp1 - orr tmp4, tmp4, data1a - cmp to_align, #8 - csel data1, tmp4, data2, lt - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, #REP8_7f -#endif - bic has_nul1, tmp1, tmp2 - cbnz has_nul1, .Lfp_le8 - bic has_nul2, tmp3, tmp4 - b .Lfp_gt8 - - .size STRCPY, . - STRCPY -#endif diff --git a/newlib/libc/machine/aarch64/strlen-stub.c b/newlib/libc/machine/aarch64/strlen-stub.c deleted file mode 100644 index 717e209fb..000000000 --- a/newlib/libc/machine/aarch64/strlen-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strlen.c" -#else -/* See strlen.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strlen.S b/newlib/libc/machine/aarch64/strlen.S deleted file mode 100644 index 872d136ef..000000000 --- a/newlib/libc/machine/aarch64/strlen.S +++ /dev/null @@ -1,238 +0,0 @@ -/* Copyright (c) 2013-2015, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strlen-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64, unaligned accesses, min page size 4k. - */ - -/* To test the page crossing code path more thoroughly, compile with - -DTEST_PAGE_CROSS - this will force all calls through the slower - entry path. This option is not intended for production use. */ - -/* Arguments and results. */ -#define srcin x0 -#define len x0 - -/* Locals and temporaries. */ -#define src x1 -#define data1 x2 -#define data2 x3 -#define has_nul1 x4 -#define has_nul2 x5 -#define tmp1 x4 -#define tmp2 x5 -#define tmp3 x6 -#define tmp4 x7 -#define zeroones x8 - -#define L(l) .L ## l - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - - /* NUL detection works on the principle that (X - 1) & (~X) & 0x80 - (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and - can be done in parallel across the entire word. A faster check - (X - 1) & 0x80 is zero for non-NUL ASCII characters, but gives - false hits for characters 129..255. */ - -#define REP8_01 0x0101010101010101 -#define REP8_7f 0x7f7f7f7f7f7f7f7f -#define REP8_80 0x8080808080808080 - -#ifdef TEST_PAGE_CROSS -# define MIN_PAGE_SIZE 15 -#else -# define MIN_PAGE_SIZE 4096 -#endif - - /* Since strings are short on average, we check the first 16 bytes - of the string for a NUL character. In order to do an unaligned ldp - safely we have to do a page cross check first. If there is a NUL - byte we calculate the length from the 2 8-byte words using - conditional select to reduce branch mispredictions (it is unlikely - strlen will be repeatedly called on strings with the same length). - - If the string is longer than 16 bytes, we align src so don't need - further page cross checks, and process 32 bytes per iteration - using the fast NUL check. If we encounter non-ASCII characters, - fallback to a second loop using the full NUL check. - - If the page cross check fails, we read 16 bytes from an aligned - address, remove any characters before the string, and continue - in the main loop using aligned loads. Since strings crossing a - page in the first 16 bytes are rare (probability of - 16/MIN_PAGE_SIZE ~= 0.4%), this case does not need to be optimized. - - AArch64 systems have a minimum page size of 4k. We don't bother - checking for larger page sizes - the cost of setting up the correct - page size is just not worth the extra gain from a small reduction in - the cases taking the slow path. Note that we only care about - whether the first fetch, which may be misaligned, crosses a page - boundary. */ - -def_fn strlen p2align=6 - and tmp1, srcin, MIN_PAGE_SIZE - 1 - mov zeroones, REP8_01 - cmp tmp1, MIN_PAGE_SIZE - 16 - b.gt L(page_cross) - ldp data1, data2, [srcin] -#ifdef __AARCH64EB__ - /* For big-endian, carry propagation (if the final byte in the - string is 0x01) means we cannot use has_nul1/2 directly. - Since we expect strings to be small and early-exit, - byte-swap the data now so has_null1/2 will be correct. */ - rev data1, data1 - rev data2, data2 -#endif - sub tmp1, data1, zeroones - orr tmp2, data1, REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, REP8_7f - bics has_nul1, tmp1, tmp2 - bic has_nul2, tmp3, tmp4 - ccmp has_nul2, 0, 0, eq - beq L(main_loop_entry) - - /* Enter with C = has_nul1 == 0. */ - csel has_nul1, has_nul1, has_nul2, cc - mov len, 8 - rev has_nul1, has_nul1 - clz tmp1, has_nul1 - csel len, xzr, len, cc - add len, len, tmp1, lsr 3 - ret - - /* The inner loop processes 32 bytes per iteration and uses the fast - NUL check. If we encounter non-ASCII characters, use a second - loop with the accurate NUL check. */ - .p2align 4 -L(main_loop_entry): - bic src, srcin, 15 - sub src, src, 16 -L(main_loop): - ldp data1, data2, [src, 32]! -.Lpage_cross_entry: - sub tmp1, data1, zeroones - sub tmp3, data2, zeroones - orr tmp2, tmp1, tmp3 - tst tmp2, zeroones, lsl 7 - bne 1f - ldp data1, data2, [src, 16] - sub tmp1, data1, zeroones - sub tmp3, data2, zeroones - orr tmp2, tmp1, tmp3 - tst tmp2, zeroones, lsl 7 - beq L(main_loop) - add src, src, 16 -1: - /* The fast check failed, so do the slower, accurate NUL check. */ - orr tmp2, data1, REP8_7f - orr tmp4, data2, REP8_7f - bics has_nul1, tmp1, tmp2 - bic has_nul2, tmp3, tmp4 - ccmp has_nul2, 0, 0, eq - beq L(nonascii_loop) - - /* Enter with C = has_nul1 == 0. */ -L(tail): -#ifdef __AARCH64EB__ - /* For big-endian, carry propagation (if the final byte in the - string is 0x01) means we cannot use has_nul1/2 directly. The - easiest way to get the correct byte is to byte-swap the data - and calculate the syndrome a second time. */ - csel data1, data1, data2, cc - rev data1, data1 - sub tmp1, data1, zeroones - orr tmp2, data1, REP8_7f - bic has_nul1, tmp1, tmp2 -#else - csel has_nul1, has_nul1, has_nul2, cc -#endif - sub len, src, srcin - rev has_nul1, has_nul1 - add tmp2, len, 8 - clz tmp1, has_nul1 - csel len, len, tmp2, cc - add len, len, tmp1, lsr 3 - ret - -L(nonascii_loop): - ldp data1, data2, [src, 16]! - sub tmp1, data1, zeroones - orr tmp2, data1, REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, REP8_7f - bics has_nul1, tmp1, tmp2 - bic has_nul2, tmp3, tmp4 - ccmp has_nul2, 0, 0, eq - bne L(tail) - ldp data1, data2, [src, 16]! - sub tmp1, data1, zeroones - orr tmp2, data1, REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, REP8_7f - bics has_nul1, tmp1, tmp2 - bic has_nul2, tmp3, tmp4 - ccmp has_nul2, 0, 0, eq - beq L(nonascii_loop) - b L(tail) - - /* Load 16 bytes from [srcin & ~15] and force the bytes that precede - srcin to 0x7f, so we ignore any NUL bytes before the string. - Then continue in the aligned loop. */ -L(page_cross): - bic src, srcin, 15 - ldp data1, data2, [src] - lsl tmp1, srcin, 3 - mov tmp4, -1 -#ifdef __AARCH64EB__ - /* Big-endian. Early bytes are at MSB. */ - lsr tmp1, tmp4, tmp1 /* Shift (tmp1 & 63). */ -#else - /* Little-endian. Early bytes are at LSB. */ - lsl tmp1, tmp4, tmp1 /* Shift (tmp1 & 63). */ -#endif - orr tmp1, tmp1, REP8_80 - orn data1, data1, tmp1 - orn tmp2, data2, tmp1 - tst srcin, 8 - csel data1, data1, tmp4, eq - csel data2, data2, tmp2, eq - b L(page_cross_entry) - - .size strlen, . - strlen -#endif diff --git a/newlib/libc/machine/aarch64/strncmp-stub.c b/newlib/libc/machine/aarch64/strncmp-stub.c deleted file mode 100644 index 1eb988f78..000000000 --- a/newlib/libc/machine/aarch64/strncmp-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strncmp.c" -#else -/* See strncmp.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strncmp.S b/newlib/libc/machine/aarch64/strncmp.S deleted file mode 100644 index 0b90dd8a6..000000000 --- a/newlib/libc/machine/aarch64/strncmp.S +++ /dev/null @@ -1,228 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strcmp-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -#define REP8_01 0x0101010101010101 -#define REP8_7f 0x7f7f7f7f7f7f7f7f -#define REP8_80 0x8080808080808080 - -/* Parameters and result. */ -#define src1 x0 -#define src2 x1 -#define limit x2 -#define result x0 - -/* Internal variables. */ -#define data1 x3 -#define data1w w3 -#define data2 x4 -#define data2w w4 -#define has_nul x5 -#define diff x6 -#define syndrome x7 -#define tmp1 x8 -#define tmp2 x9 -#define tmp3 x10 -#define zeroones x11 -#define pos x12 -#define limit_wd x13 -#define mask x14 -#define endloop x15 - - .text - .p2align 6 - .rep 7 - nop /* Pad so that the loop below fits a cache line. */ - .endr -def_fn strncmp - cbz limit, .Lret0 - eor tmp1, src1, src2 - mov zeroones, #REP8_01 - tst tmp1, #7 - b.ne .Lmisaligned8 - ands tmp1, src1, #7 - b.ne .Lmutual_align - /* Calculate the number of full and partial words -1. */ - sub limit_wd, limit, #1 /* limit != 0, so no underflow. */ - lsr limit_wd, limit_wd, #3 /* Convert to Dwords. */ - - /* NUL detection works on the principle that (X - 1) & (~X) & 0x80 - (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and - can be done in parallel across the entire word. */ - /* Start of performance-critical section -- one 64B cache line. */ -.Lloop_aligned: - ldr data1, [src1], #8 - ldr data2, [src2], #8 -.Lstart_realigned: - subs limit_wd, limit_wd, #1 - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - eor diff, data1, data2 /* Non-zero if differences found. */ - csinv endloop, diff, xzr, pl /* Last Dword or differences. */ - bics has_nul, tmp1, tmp2 /* Non-zero if NUL terminator. */ - ccmp endloop, #0, #0, eq - b.eq .Lloop_aligned - /* End of performance-critical section -- one 64B cache line. */ - - /* Not reached the limit, must have found the end or a diff. */ - tbz limit_wd, #63, .Lnot_limit - - /* Limit % 8 == 0 => all bytes significant. */ - ands limit, limit, #7 - b.eq .Lnot_limit - - lsl limit, limit, #3 /* Bits -> bytes. */ - mov mask, #~0 -#ifdef __AARCH64EB__ - lsr mask, mask, limit -#else - lsl mask, mask, limit -#endif - bic data1, data1, mask - bic data2, data2, mask - - /* Make sure that the NUL byte is marked in the syndrome. */ - orr has_nul, has_nul, mask - -.Lnot_limit: - orr syndrome, diff, has_nul - -#ifndef __AARCH64EB__ - rev syndrome, syndrome - rev data1, data1 - /* The MS-non-zero bit of the syndrome marks either the first bit - that is different, or the top bit of the first zero byte. - Shifting left now will bring the critical information into the - top bits. */ - clz pos, syndrome - rev data2, data2 - lsl data1, data1, pos - lsl data2, data2, pos - /* But we need to zero-extend (char is unsigned) the value and then - perform a signed 32-bit subtraction. */ - lsr data1, data1, #56 - sub result, data1, data2, lsr #56 - ret -#else - /* For big-endian we cannot use the trick with the syndrome value - as carry-propagation can corrupt the upper bits if the trailing - bytes in the string contain 0x01. */ - /* However, if there is no NUL byte in the dword, we can generate - the result directly. We can't just subtract the bytes as the - MSB might be significant. */ - cbnz has_nul, 1f - cmp data1, data2 - cset result, ne - cneg result, result, lo - ret -1: - /* Re-compute the NUL-byte detection, using a byte-reversed value. */ - rev tmp3, data1 - sub tmp1, tmp3, zeroones - orr tmp2, tmp3, #REP8_7f - bic has_nul, tmp1, tmp2 - rev has_nul, has_nul - orr syndrome, diff, has_nul - clz pos, syndrome - /* The MS-non-zero bit of the syndrome marks either the first bit - that is different, or the top bit of the first zero byte. - Shifting left now will bring the critical information into the - top bits. */ - lsl data1, data1, pos - lsl data2, data2, pos - /* But we need to zero-extend (char is unsigned) the value and then - perform a signed 32-bit subtraction. */ - lsr data1, data1, #56 - sub result, data1, data2, lsr #56 - ret -#endif - -.Lmutual_align: - /* Sources are mutually aligned, but are not currently at an - alignment boundary. Round down the addresses and then mask off - the bytes that precede the start point. - We also need to adjust the limit calculations, but without - overflowing if the limit is near ULONG_MAX. */ - bic src1, src1, #7 - bic src2, src2, #7 - ldr data1, [src1], #8 - neg tmp3, tmp1, lsl #3 /* 64 - bits(bytes beyond align). */ - ldr data2, [src2], #8 - mov tmp2, #~0 - sub limit_wd, limit, #1 /* limit != 0, so no underflow. */ -#ifdef __AARCH64EB__ - /* Big-endian. Early bytes are at MSB. */ - lsl tmp2, tmp2, tmp3 /* Shift (tmp1 & 63). */ -#else - /* Little-endian. Early bytes are at LSB. */ - lsr tmp2, tmp2, tmp3 /* Shift (tmp1 & 63). */ -#endif - and tmp3, limit_wd, #7 - lsr limit_wd, limit_wd, #3 - /* Adjust the limit. Only low 3 bits used, so overflow irrelevant. */ - add limit, limit, tmp1 - add tmp3, tmp3, tmp1 - orr data1, data1, tmp2 - orr data2, data2, tmp2 - add limit_wd, limit_wd, tmp3, lsr #3 - b .Lstart_realigned - -.Lret0: - mov result, #0 - ret - - .p2align 6 -.Lmisaligned8: - sub limit, limit, #1 -1: - /* Perhaps we can do better than this. */ - ldrb data1w, [src1], #1 - ldrb data2w, [src2], #1 - subs limit, limit, #1 - ccmp data1w, #1, #0, cs /* NZCV = 0b0000. */ - ccmp data1w, data2w, #0, cs /* NZCV = 0b0000. */ - b.eq 1b - sub result, data1, data2 - ret - .size strncmp, . - strncmp - -#endif diff --git a/newlib/libc/machine/aarch64/strnlen-stub.c b/newlib/libc/machine/aarch64/strnlen-stub.c deleted file mode 100644 index 8e1903c8e..000000000 --- a/newlib/libc/machine/aarch64/strnlen-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strnlen.c" -#else -/* See strnlen.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strnlen.S b/newlib/libc/machine/aarch64/strnlen.S deleted file mode 100644 index c255c3f7c..000000000 --- a/newlib/libc/machine/aarch64/strnlen.S +++ /dev/null @@ -1,187 +0,0 @@ -/* strnlen - calculate the length of a string with limit. - - Copyright (c) 2013, Linaro Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the Linaro nor the - names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strlen-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - */ - -/* Arguments and results. */ -#define srcin x0 -#define len x0 -#define limit x1 - -/* Locals and temporaries. */ -#define src x2 -#define data1 x3 -#define data2 x4 -#define data2a x5 -#define has_nul1 x6 -#define has_nul2 x7 -#define tmp1 x8 -#define tmp2 x9 -#define tmp3 x10 -#define tmp4 x11 -#define zeroones x12 -#define pos x13 -#define limit_wd x14 - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -#define REP8_01 0x0101010101010101 -#define REP8_7f 0x7f7f7f7f7f7f7f7f -#define REP8_80 0x8080808080808080 - - .text - .p2align 6 -.Lstart: - /* Pre-pad to ensure critical loop begins an icache line. */ - .rep 7 - nop - .endr - /* Put this code here to avoid wasting more space with pre-padding. */ -.Lhit_limit: - mov len, limit - ret - -def_fn strnlen - cbz limit, .Lhit_limit - mov zeroones, #REP8_01 - bic src, srcin, #15 - ands tmp1, srcin, #15 - b.ne .Lmisaligned - /* Calculate the number of full and partial words -1. */ - sub limit_wd, limit, #1 /* Limit != 0, so no underflow. */ - lsr limit_wd, limit_wd, #4 /* Convert to Qwords. */ - - /* NUL detection works on the principle that (X - 1) & (~X) & 0x80 - (=> (X - 1) & ~(X | 0x7f)) is non-zero iff a byte is zero, and - can be done in parallel across the entire word. */ - /* The inner loop deals with two Dwords at a time. This has a - slightly higher start-up cost, but we should win quite quickly, - especially on cores with a high number of issue slots per - cycle, as we get much better parallelism out of the operations. */ - - /* Start of critial section -- keep to one 64Byte cache line. */ -.Lloop: - ldp data1, data2, [src], #16 -.Lrealigned: - sub tmp1, data1, zeroones - orr tmp2, data1, #REP8_7f - sub tmp3, data2, zeroones - orr tmp4, data2, #REP8_7f - bic has_nul1, tmp1, tmp2 - bic has_nul2, tmp3, tmp4 - subs limit_wd, limit_wd, #1 - orr tmp1, has_nul1, has_nul2 - ccmp tmp1, #0, #0, pl /* NZCV = 0000 */ - b.eq .Lloop - /* End of critical section -- keep to one 64Byte cache line. */ - - orr tmp1, has_nul1, has_nul2 - cbz tmp1, .Lhit_limit /* No null in final Qword. */ - - /* We know there's a null in the final Qword. The easiest thing - to do now is work out the length of the string and return - MIN (len, limit). */ - - sub len, src, srcin - cbz has_nul1, .Lnul_in_data2 -#ifdef __AARCH64EB__ - mov data2, data1 -#endif - sub len, len, #8 - mov has_nul2, has_nul1 -.Lnul_in_data2: -#ifdef __AARCH64EB__ - /* For big-endian, carry propagation (if the final byte in the - string is 0x01) means we cannot use has_nul directly. The - easiest way to get the correct byte is to byte-swap the data - and calculate the syndrome a second time. */ - rev data2, data2 - sub tmp1, data2, zeroones - orr tmp2, data2, #REP8_7f - bic has_nul2, tmp1, tmp2 -#endif - sub len, len, #8 - rev has_nul2, has_nul2 - clz pos, has_nul2 - add len, len, pos, lsr #3 /* Bits to bytes. */ - cmp len, limit - csel len, len, limit, ls /* Return the lower value. */ - ret - -.Lmisaligned: - /* Deal with a partial first word. - We're doing two things in parallel here; - 1) Calculate the number of words (but avoiding overflow if - limit is near ULONG_MAX) - to do this we need to work out - limit + tmp1 - 1 as a 65-bit value before shifting it; - 2) Load and mask the initial data words - we force the bytes - before the ones we are interested in to 0xff - this ensures - early bytes will not hit any zero detection. */ - sub limit_wd, limit, #1 - neg tmp4, tmp1 - cmp tmp1, #8 - - and tmp3, limit_wd, #15 - lsr limit_wd, limit_wd, #4 - mov tmp2, #~0 - - ldp data1, data2, [src], #16 - lsl tmp4, tmp4, #3 /* Bytes beyond alignment -> bits. */ - add tmp3, tmp3, tmp1 - -#ifdef __AARCH64EB__ - /* Big-endian. Early bytes are at MSB. */ - lsl tmp2, tmp2, tmp4 /* Shift (tmp1 & 63). */ -#else - /* Little-endian. Early bytes are at LSB. */ - lsr tmp2, tmp2, tmp4 /* Shift (tmp1 & 63). */ -#endif - add limit_wd, limit_wd, tmp3, lsr #4 - - orr data1, data1, tmp2 - orr data2a, data2, tmp2 - - csinv data1, data1, xzr, le - csel data2, data2, data2a, le - b .Lrealigned - .size strnlen, . - .Lstart /* Include pre-padding in size. */ - -#endif diff --git a/newlib/libc/machine/aarch64/strrchr-stub.c b/newlib/libc/machine/aarch64/strrchr-stub.c deleted file mode 100644 index 5923a4446..000000000 --- a/newlib/libc/machine/aarch64/strrchr-stub.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (c) 2014, ARM Limited - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -# include "../../string/strrchr.c" -#else -/* See strrchr.S */ -#endif diff --git a/newlib/libc/machine/aarch64/strrchr.S b/newlib/libc/machine/aarch64/strrchr.S deleted file mode 100644 index d64fc09b1..000000000 --- a/newlib/libc/machine/aarch64/strrchr.S +++ /dev/null @@ -1,182 +0,0 @@ -/* - strrchr - find last instance of a character in a string - - Copyright (c) 2014, ARM Limited - All rights Reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of the company nor the names of its contributors - may be used to endorse or promote products derived from this - software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - -#if (defined (__OPTIMIZE_SIZE__) || defined (PREFER_SIZE_OVER_SPEED)) -/* See strchr-stub.c */ -#else - -/* Assumptions: - * - * ARMv8-a, AArch64 - * Neon Available. - */ - -/* Arguments and results. */ -#define srcin x0 -#define chrin w1 - -#define result x0 - -#define src x2 -#define tmp1 x3 -#define wtmp2 w4 -#define tmp3 x5 -#define src_match x6 -#define src_offset x7 -#define const_m1 x8 -#define tmp4 x9 -#define nul_match x10 -#define chr_match x11 - -#define vrepchr v0 -#define vdata1 v1 -#define vdata2 v2 -#define vhas_nul1 v3 -#define vhas_nul2 v4 -#define vhas_chr1 v5 -#define vhas_chr2 v6 -#define vrepmask_0 v7 -#define vrepmask_c v16 -#define vend1 v17 -#define vend2 v18 - -/* Core algorithm. - - For each 32-byte hunk we calculate a 64-bit syndrome value, with - two bits per byte (LSB is always in bits 0 and 1, for both big - and little-endian systems). For each tuple, bit 0 is set iff - the relevant byte matched the requested character; bit 1 is set - iff the relevant byte matched the NUL end of string (we trigger - off bit0 for the special case of looking for NUL). Since the bits - in the syndrome reflect exactly the order in which things occur - in the original string a count_trailing_zeros() operation will - identify exactly which byte is causing the termination, and why. */ - -/* Locals and temporaries. */ - - .macro def_fn f p2align=0 - .text - .p2align \p2align - .global \f - .type \f, %function -\f: - .endm - -def_fn strrchr - /* Magic constant 0x40100401 to allow us to identify which lane - matches the requested byte. Magic constant 0x80200802 used - similarly for NUL termination. */ - mov wtmp2, #0x0401 - movk wtmp2, #0x4010, lsl #16 - dup vrepchr.16b, chrin - bic src, srcin, #31 /* Work with aligned 32-byte hunks. */ - dup vrepmask_c.4s, wtmp2 - mov src_offset, #0 - ands tmp1, srcin, #31 - add vrepmask_0.4s, vrepmask_c.4s, vrepmask_c.4s /* equiv: lsl #1 */ - b.eq .Laligned - - /* Input string is not 32-byte aligned. Rather than forcing - the padding bytes to a safe value, we calculate the syndrome - for all the bytes, but then mask off those bits of the - syndrome that are related to the padding. */ - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - neg tmp1, tmp1 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - and vhas_nul1.16b, vhas_nul1.16b, vrepmask_0.16b - and vhas_chr1.16b, vhas_chr1.16b, vrepmask_c.16b - and vhas_nul2.16b, vhas_nul2.16b, vrepmask_0.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask_c.16b - addp vhas_nul1.16b, vhas_nul1.16b, vhas_nul2.16b // 256->128 - addp vhas_chr1.16b, vhas_chr1.16b, vhas_chr2.16b // 256->128 - addp vhas_nul1.16b, vhas_nul1.16b, vhas_nul1.16b // 128->64 - addp vhas_chr1.16b, vhas_chr1.16b, vhas_chr1.16b // 128->64 - mov nul_match, vhas_nul1.2d[0] - lsl tmp1, tmp1, #1 - mov const_m1, #~0 - mov chr_match, vhas_chr1.2d[0] - lsr tmp3, const_m1, tmp1 - - bic nul_match, nul_match, tmp3 // Mask padding bits. - bic chr_match, chr_match, tmp3 // Mask padding bits. - cbnz nul_match, .Ltail - -.Lloop: - cmp chr_match, #0 - csel src_match, src, src_match, ne - csel src_offset, chr_match, src_offset, ne -.Laligned: - ld1 {vdata1.16b, vdata2.16b}, [src], #32 - cmeq vhas_nul1.16b, vdata1.16b, #0 - cmeq vhas_chr1.16b, vdata1.16b, vrepchr.16b - cmeq vhas_nul2.16b, vdata2.16b, #0 - cmeq vhas_chr2.16b, vdata2.16b, vrepchr.16b - addp vend1.16b, vhas_nul1.16b, vhas_nul2.16b // 256->128 - and vhas_chr1.16b, vhas_chr1.16b, vrepmask_c.16b - and vhas_chr2.16b, vhas_chr2.16b, vrepmask_c.16b - addp vhas_chr1.16b, vhas_chr1.16b, vhas_chr2.16b // 256->128 - addp vend1.16b, vend1.16b, vend1.16b // 128->64 - addp vhas_chr1.16b, vhas_chr1.16b, vhas_chr1.16b // 128->64 - mov nul_match, vend1.2d[0] - mov chr_match, vhas_chr1.2d[0] - cbz nul_match, .Lloop - - and vhas_nul1.16b, vhas_nul1.16b, vrepmask_0.16b - and vhas_nul2.16b, vhas_nul2.16b, vrepmask_0.16b - addp vhas_nul1.16b, vhas_nul1.16b, vhas_nul2.16b - addp vhas_nul1.16b, vhas_nul1.16b, vhas_nul1.16b - mov nul_match, vhas_nul1.2d[0] - -.Ltail: - /* Work out exactly where the string ends. */ - sub tmp4, nul_match, #1 - eor tmp4, tmp4, nul_match - ands chr_match, chr_match, tmp4 - /* And pick the values corresponding to the last match. */ - csel src_match, src, src_match, ne - csel src_offset, chr_match, src_offset, ne - - /* Count down from the top of the syndrome to find the last match. */ - clz tmp3, src_offset - /* Src_match points beyond the word containing the match, so we can - simply subtract half the bit-offset into the syndrome. Because - we are counting down, we need to go back one more character. */ - add tmp3, tmp3, #2 - sub result, src_match, tmp3, lsr #1 - /* But if the syndrome shows no match was found, then return NULL. */ - cmp src_offset, #0 - csel result, result, xzr, ne - - ret - - .size strrchr, . - strrchr -#endif diff --git a/newlib/libc/machine/epiphany/Makefile.am b/newlib/libc/machine/epiphany/Makefile.am deleted file mode 100644 index 6e95d8fc8..000000000 --- a/newlib/libc/machine/epiphany/Makefile.am +++ /dev/null @@ -1,42 +0,0 @@ -## Copyright (c) 2011, Adapteva, Inc. -## All rights reserved. - -## Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are met: -## * Redistributions of source code must retain the above copyright notice, -## this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in the -## documentation and/or other materials provided with the distribution. -## * Neither the name of Adapteva nor the names of its contributors may be -## used to endorse or promote products derived from this software without -## specific prior written permission. - -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -## AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -## ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -## LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -## CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -## SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -## INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -## CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -## ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -## POSSIBILITY OF SUCH DAMAGE. - -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -AM_CCASFLAGS = $(INCLUDES) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = setjmp.S -lib_a_CCASFLAGS=$(AM_CCASFLAGS) -lib_a_CFLAGS = $(AM_CFLAGS) - -ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/epiphany/Makefile.in b/newlib/libc/machine/epiphany/Makefile.in deleted file mode 100644 index 465fb7f65..000000000 --- a/newlib/libc/machine/epiphany/Makefile.in +++ /dev/null @@ -1,440 +0,0 @@ -# Makefile.in generated by automake 1.11.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software -# Foundation, Inc. -# This Makefile.in is free software; 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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE -dnl LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR -dnl CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF -dnl SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS -dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN -dnl CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) -dnl ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -dnl POSSIBILITY OF SUCH DAMAGE. - -dnl Process this file with autoconf to produce a configure script. - -AC_PREREQ(2.59) -AC_INIT([newlib],[NEWLIB_VERSION]) -AC_CONFIG_SRCDIR([Makefile.am]) - -dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. -AC_CONFIG_AUX_DIR(../../../..) - -NEWLIB_CONFIGURE(../../..) - -AC_CONFIG_FILES([Makefile]) -AC_OUTPUT diff --git a/newlib/libc/machine/epiphany/machine/stdlib.h b/newlib/libc/machine/epiphany/machine/stdlib.h deleted file mode 100644 index 95b4063b0..000000000 --- a/newlib/libc/machine/epiphany/machine/stdlib.h +++ /dev/null @@ -1,15 +0,0 @@ -static __inline__ long int -random (void) -{ - extern int rand(void); - - return rand (); -} - -static __inline__ void -srandom (unsigned int seed) -{ - void srand(unsigned int seed); - - srand (seed); -} diff --git a/newlib/libc/machine/epiphany/setjmp.S b/newlib/libc/machine/epiphany/setjmp.S deleted file mode 100644 index 2986bb47a..000000000 --- a/newlib/libc/machine/epiphany/setjmp.S +++ /dev/null @@ -1,65 +0,0 @@ -/* setjmp and longjmp - - Copyright (c) 2011, Adapteva, Inc. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Adapteva nor the names of its contributors may be - used to endorse or promote products derived from this software without - specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. */ - - .file "setjmp.S" - .section .text - .align 4 - .global _setjmp - .type _setjmp, %function -_setjmp: - strd lr,[r0] - strd r4,[r0,1] - strd r6,[r0,2] - strd r8,[r0,3] - strd r10,[r0,4] - strd r32,[r0,5] - strd r34,[r0,6] - strd r36,[r0,7] - strd r38,[r0,8] - str sp,[r0,18] - mov r0,#0 - rts - .size _setjmp, .-_setjmp - - .global _longjmp -_longjmp: - ldrd lr,[r0] ; return address / r15 - ldrd r4,[r0,1] - ldrd r6,[r0,2] - ldrd r8,[r0,3] - ldrd r10,[r0,4] - ldrd r32,[r0,5] - ldrd r34,[r0,6] - ldrd r36,[r0,7] - ldrd r38,[r0,8] - ldr sp,[r0,18] - sub r1,r1,0 - mov r0,#1 - movne r0,r1 - jr lr - .size _longjmp, .-_longjmp diff --git a/newlib/libc/machine/msp430/Makefile.am b/newlib/libc/machine/msp430/Makefile.am deleted file mode 100644 index 0b5791448..000000000 --- a/newlib/libc/machine/msp430/Makefile.am +++ /dev/null @@ -1,29 +0,0 @@ -# Copyright (c) 2013 Red Hat, Inc. 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All rights reserved. -# -# This copyrighted material is made available to anyone wishing to use, -# modify, copy, or redistribute it subject to the terms and conditions -# of the BSD License. This program is distributed in the hope that -# it will be useful, but WITHOUT ANY WARRANTY expressed or implied, -# including the implied warranties of MERCHANTABILITY or FITNESS FOR -# A PARTICULAR PURPOSE. A copy of this license is available at -# http://www.opensource.org/licenses. Any Red Hat trademarks that are -# incorporated in the source code or documentation are not subject to -# the BSD License and may only be used or replicated with the express -# permission of Red Hat, Inc. - -dnl This is the newlib/libc/machine/msp430 configure.in file. -dnl Process this file with autoconf to produce a configure script. - -AC_PREREQ(2.59) -AC_INIT([newlib],[NEWLIB_VERSION]) -AC_CONFIG_SRCDIR([setjmp.S]) - -dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. -AC_CONFIG_AUX_DIR(../../../..) - -NEWLIB_CONFIGURE(../../..) - -AC_CONFIG_FILES([Makefile]) -AC_OUTPUT diff --git a/newlib/libc/machine/msp430/setjmp.S b/newlib/libc/machine/msp430/setjmp.S deleted file mode 100644 index 6684f8acb..000000000 --- a/newlib/libc/machine/msp430/setjmp.S +++ /dev/null @@ -1,105 +0,0 @@ -/* Copyright (c) 2013 Red Hat, Inc. All rights reserved. - - This copyrighted material is made available to anyone wishing to use, - modify, copy, or redistribute it subject to the terms and conditions - of the BSD License. This program is distributed in the hope that - it will be useful, but WITHOUT ANY WARRANTY expressed or implied, - including the implied warranties of MERCHANTABILITY or FITNESS FOR - A PARTICULAR PURPOSE. A copy of this license is available at - http://www.opensource.org/licenses. Any Red Hat trademarks that are - incorporated in the source code or documentation are not subject to - the BSD License and may only be used or replicated with the express - permission of Red Hat, Inc. -*/ - -# setjmp/longjmp for msp430. The jmpbuf looks like this: -# -# Register Jmpbuf offset -# small large -# r0 (pc) 0x00 0x00 -# r1 (sp) 0x02 0x04 -# r4 0x04 0x08 -# r5 0x06 0x0c -# r6 0x08 0x10 -# r7 0x0a 0x14 -# r8 0x0c 0x18 -# r9 0x0e 0x1c -# r10 0x10 0x20 - - .text - .global setjmp -setjmp: - ; Upon entry r12 points to the jump buffer. - ; Returns 0 to caller. - -#if defined __MSP430X_LARGE__ - mova @r1, r13 - mova r13, 0(r12) - mova r1, 4(r12) - mova r4, 8(r12) - mova r5, 12(r12) - mova r6, 16(r12) - mova r7, 20(r12) - mova r8, 24(r12) - mova r9, 28(r12) - mova r10, 32(r12) - clr r12 - reta -#else - ;; Get the return address off the stack - mov.w @r1, r13 - mov.w r13, 0(r12) - mov.w r1, 2(r12) - mov.w r4, 4(r12) - mov.w r5, 6(r12) - mov.w r6, 8(r12) - mov.w r7, 10(r12) - mov.w r8, 12(r12) - mov.w r9, 14(r12) - mov.w r10, 16(r12) - clr r12 - ret -#endif - - - .global longjmp -longjmp: - ; Upon entry r12 points to the jump buffer and - ; r13 contains the value to be returned by setjmp. - -#if defined __MSP430X_LARGE__ - mova @r12+, r14 - mova @r12+, r1 - mova @r12+, r4 - mova @r12+, r5 - mova @r12+, r6 - mova @r12+, r7 - mova @r12+, r8 - mova @r12+, r9 - mova @r12+, r10 -#else - mov.w @r12+, r14 - mov.w @r12+, r1 - mov.w @r12+, r4 - mov.w @r12+, r5 - mov.w @r12+, r6 - mov.w @r12+, r7 - mov.w @r12+, r8 - mov.w @r12+, r9 - mov.w @r12+, r10 -#endif - ; 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IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - Function: - memcpy - copy memory regions - Syntax: - void *memcpy(void *s1, const void *s2, size_t n); - Description: - The memcpy function copies n characters from the object pointed to - by s2 into the object pointed to by s1. If copying takes place - between objects that overlap, the behavior is undefined. - Return value: - The memcpy function returns the value of s1. -*/ - .text - .align 2 - .globl memcpy - .type memcpy, @function -memcpy: - /* Corner cases. If *s1 equals *s2 - or size_t is zero, just go return. */ - beq $r0, $r1, .Lend_memcpy - beqz $r2, .Lend_memcpy - - /* Keep *s1 as return value. - Set $r3 as how many words to copy. - Set $r2 as how many bytes are less than a word. */ - move $r5, $r0 - srli $r3, $r2, 2 - andi $r2, $r2, 3 - beqz $r3, .Lbyte_copy - -.Lword_copy: - /* Do the word copy $r3 times. Then, do the byte copy $r2 times. */ - lmw.bim $r4, [$r1], $r4, 0 - addi $r3, $r3, -1 - smw.bim $r4, [$r5], $r4, 0 - bnez $r3, .Lword_copy /* Loop again ? */ - beqz $r2, .Lend_memcpy /* Fall THRU or go return ? */ - -.Lbyte_copy: - /* Do the byte copy $r2 times. */ - lbi.bi $r4, [$r1], 1 - addi $r2, $r2, -1 - sbi.bi $r4, [$r5], 1 - bnez $r2, .Lbyte_copy /* Loop again ? */ - -.Lend_memcpy: - ret - .size memcpy, .-memcpy diff --git a/newlib/libc/machine/nds32/memset.S b/newlib/libc/machine/nds32/memset.S deleted file mode 100644 index 51e5ff2ae..000000000 --- a/newlib/libc/machine/nds32/memset.S +++ /dev/null @@ -1,80 +0,0 @@ -/* -Copyright (c) 2013 Andes Technology Corporation. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - Function: - memset - fill memory with a constant byte - Syntax: - void *memset(void *s, int c, size_t n); - Description: - The memset function copies the value of c (converted to an unsigned char) - into each of the first n characters of the object pointed to by s. - Return value: - The memset function returns the value of s. -*/ - .text - .align 2 - .globl memset - .type memset, @function -memset: - /* Corner case. If n is zero, just go return. */ - beqz $r2, .Lend_memset - - /* Keep $r0 as return value. - Set $r4 as how many words to copy. - Set $r2 as how many bytes are less than a word. */ - move $r5, $r0 - srli $r4, $r2, 2 - andi $r2, $r2, 3 - beqz $r4, .Lbyte_set - - /* Set $r1 a word-size pattern composed of the value of c - (converted to an unsigned char). Convert ??????ab to abababab. */ - andi $r1, $r1, 0xff /* Set $r1 = 000000ab. */ - slli $r3, $r1, 8 /* Set $r3 = 0000ab00. */ - or $r1, $r1, $r3 /* Set $r1 = 0000abab. */ - slli $r3, $r1, 16 /* Set $r3 = abab0000. */ - or $r1, $r1, $r3 /* Set $r1 = abababab. */ - -.Lword_set: - /* Do the word set $r4 times. Then, do the byte set $r2 times. */ - addi $r4, $r4, -1 - smw.bim $r1, [$r5], $r1 /* Set a word-size. */ - bnez $r4, .Lword_set /* Loop again ? */ - beqz $r2, .Lend_memset /* Fall THRU or go return ? */ - -.Lbyte_set: - /* Do the byte set $r2 times. */ - addi $r2, $r2, -1 - sbi.p $r1, [$r5], 1 /* Set a byte-size. */ - bnez $r2, .Lbyte_set /* Loop again ? */ - -.Lend_memset: - ret - .size memset, .-memset diff --git a/newlib/libc/machine/nds32/setjmp.S b/newlib/libc/machine/nds32/setjmp.S deleted file mode 100644 index 7197c86f3..000000000 --- a/newlib/libc/machine/nds32/setjmp.S +++ /dev/null @@ -1,166 +0,0 @@ -/* -Copyright (c) 2013 Andes Technology Corporation. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - -The setjmp/longjmp for nds32. -The usage of thirty-two 32-bit General Purpose Registers (GPR): - $r28 : $fp - $r29 : $gp - $r30 : $lp - $r31 : $sp - - caller-save registers: $r0 ~ $r5, $r16 ~ $r23 - callee-save registers: $r6 ~ $r10, $r11 ~ $r14 - reserved for assembler : $r15 - reserved for other use : $r24, $r25, $r26, $r27 - -Save all callee-save registers and $fp, $gp, $lp and $sp is enough in theory. -For debugging issue, the layout of jum_buf in here should be in sync with GDB. -The $r16 ~ $r19 are used to store D0/D1, keep them for backward-compatible. -*/ - -/* int setjmp(jmp_buf env); */ - .text - .align 2 - .global setjmp - .type setjmp, @function -setjmp: -#if __NDS32_REDUCED_REGS__ - smw.bim $r6, [$r0], $r10, #0b0000 - addi $r0, $r0, #32 /* Leave room to keep jum_buf all the same. */ - smw.bim $r31, [$r0], $r31, #0b1111 -#else - smw.bim $r6, [$r0], $r14, #0b0000 - smw.bim $r16, [$r0], $r19, #0b1111 -#endif - -#if __NDS32_EXT_FPU_SP__ || __NDS32_EXT_FPU_DP__ - - /* Extract $fpcfg.freg (b[3:2]), then save into jmp_buf. */ - fmfcfg $r2 - slli $r2, $r2, #28 - srli $r2, $r2, #30 - swi.bi $r2, [$r0], #4 - - /* Make sure $r0 is double-word-aligned. */ - addi $r0, $r0, #7 - bitci $r0, $r0, #7 - - /* Case switch according to $fpcfg.freg */ - beqz $r2, .LCFG0_save /* Branch if $fpcfg.freg = 0b00. */ - xori $r15, $r2, #0b10 - beqz $r15, .LCFG2_save /* Branch $fpcfg.freg = 0b10. */ - srli $r2, $r2, #0b01 - beqz $r2, .LCFG1_save /* Branch if $fpcfg.freg = 0b01. */ - /* Fall-through if $fpcfg.freg = 0b11. */ -.LCFG3_save: - fsdi.bi $fd31, [$r0], #8 - fsdi.bi $fd29, [$r0], #8 - fsdi.bi $fd27, [$r0], #8 - fsdi.bi $fd25, [$r0], #8 - fsdi.bi $fd23, [$r0], #8 - fsdi.bi $fd21, [$r0], #8 - fsdi.bi $fd19, [$r0], #8 - fsdi.bi $fd17, [$r0], #8 -.LCFG2_save: - fsdi.bi $fd15, [$r0], #8 - fsdi.bi $fd13, [$r0], #8 - fsdi.bi $fd11, [$r0], #8 - fsdi.bi $fd9, [$r0], #8 -.LCFG1_save: - fsdi.bi $fd7, [$r0], #8 - fsdi.bi $fd5, [$r0], #8 -.LCFG0_save: - fsdi.bi $fd3, [$r0], #8 -#endif - - /* Set return value to zero. */ - movi $r0, 0 - ret - .size setjmp, .-setjmp - - -/* void longjmp(jmp_buf env, int val); */ - .text - .align 2 - .global longjmp - .type longjmp, @function -longjmp: -#if __NDS32_REDUCED_REGS__ - lmw.bim $r6, [$r0], $r10, #0b0000 - addi $r0, $r0, #32 - lmw.bim $r31, [$r0], $r31, #0b1111 -#else - lmw.bim $r6, [$r0], $r14, #0b0000 - lmw.bim $r16, [$r0], $r19, #0b1111 -#endif - -#if __NDS32_EXT_FPU_SP__ || __NDS32_EXT_FPU_DP__ - - /* Restore value of $fpcfg.freg (b[3:2]). */ - lwi.bi $r2, [$r0], #4 - - /* Make sure $r0 is double-word-aligned. */ - addi $r0, $r0, #7 - bitci $r0, $r0, #7 - - /* Case switch according to $fpcfg.freg */ - beqz $r2, .LCFG0_restore /* Branch if $fpcfg.freg = 0b00. */ - xori $r15, $r2, #0b10 - beqz $r15, .LCFG2_restore /* Branch $fpcfg.freg = 0b10. */ - srli $r2, $r2, #0b01 - beqz $r2, .LCFG1_restore /* Branch if $fpcfg.freg = 0b01. */ - /* Fall-through if $fpcfg.freg = 0b11. */ -.LCFG3_restore: - fldi.bi $fd31, [$r0], #8 - fldi.bi $fd29, [$r0], #8 - fldi.bi $fd27, [$r0], #8 - fldi.bi $fd25, [$r0], #8 - fldi.bi $fd23, [$r0], #8 - fldi.bi $fd21, [$r0], #8 - fldi.bi $fd19, [$r0], #8 - fldi.bi $fd17, [$r0], #8 -.LCFG2_restore: - fldi.bi $fd15, [$r0], #8 - fldi.bi $fd13, [$r0], #8 - fldi.bi $fd11, [$r0], #8 - fldi.bi $fd9, [$r0], #8 -.LCFG1_restore: - fldi.bi $fd7, [$r0], #8 - fldi.bi $fd5, [$r0], #8 -.LCFG0_restore: - fldi.bi $fd3, [$r0], #8 -#endif - - /* Set val as return value. If the value val is 0, 1 will be returned - instead. */ - movi $r0, 1 - cmovn $r0, $r1, $r1 /* r0=(r1!=0)? r1: r0 */ - ret - .size longjmp, .-longjmp diff --git a/newlib/libc/machine/nds32/strcmp.S b/newlib/libc/machine/nds32/strcmp.S deleted file mode 100644 index f3f37fb3e..000000000 --- a/newlib/libc/machine/nds32/strcmp.S +++ /dev/null @@ -1,96 +0,0 @@ -/* -Copyright (c) 2013 Andes Technology Corporation. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - Function: - strcmp - compare two strings. - Syntax: - int strcmp(const char *s1, const char *s2); - Description: - This function compares the two strings s1 and s2. It returns an - integer less than, equal to, or greater than zero if s1 is found, - respectively, to be less than, to match, or be greater than s2. - Return value: - strcmp returns an integer less than, equal to, or greater than - zero if s1 (or the first n bytes thereof) is found, respectively, - to be less than, to match, or be greater than s2. -*/ - .text - .align 2 - .globl strcmp - .type strcmp, @function -strcmp: - /* If s1 or s2 are unaligned, then compare bytes. */ - or $r5, $r1, $r0 - andi $r5, $r5, #3 - bnez $r5, .Lbyte_mode - - /* If s1 and s2 are word-aligned, compare them a word at a time. */ - lwi $r5, [$r0+(0)] - lwi $r3, [$r1+(0)] - bne $r5, $r3, .Lbyte_mode /* A difference was detected, so - search bytewise. */ - - /* It's more efficient to set bit mask outside the word_mode loop. */ - sethi $r4, hi20(0xFEFEFEFF) /* Set $r4 as -0x01010101. */ - ori $r4, $r4, lo12(0xFEFEFEFF) - sethi $r2, hi20(0x80808080) - ori $r2, $r2, lo12(0x80808080) - b .Ldetect_null - -.align 2 -.Lword_mode: - lmw.aim $r5, [$r0], $r5 - lmw.aim $r3, [$r1], $r3 - bne $r5, $r3, .Lbyte_mode - -.Ldetect_null: - /* #define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080) - DETECTNULL returns nonzero if (long)X contains a NULL byte. */ - nor $r3, $r5, $r5 /* r3 = ~(X) */ - add $r5, $r5, $r4 /* r2 = ((X) - 0x01010101) */ - and $r5, $r5, $r3 /* r2 = ~(X) & ((X) - 0x01010101) */ - and $r5, $r5, $r2 /* r2= r2 & 0x80808080 */ - beqz $r5, .Lword_mode /* No NULL byte, compare next word. */ - - /* To get here, *a1 == *a2, thus if we find a null in *a1, - then the strings must be equal, so return zero. */ - movi $r0, #0 - ret - -.Lbyte_mode: - /* Byte-mode compare. */ - lbi.bi $r5, [$r0], #1 - lbi.bi $r3, [$r1], #1 - bne $r5, $r3, 1f /* Mismatch, done. */ - bnez $r5, .Lbyte_mode -1: - sub $r0, $r5, $r3 - ret - .size strcmp, .-strcmp diff --git a/newlib/libc/machine/nds32/strcpy.S b/newlib/libc/machine/nds32/strcpy.S deleted file mode 100644 index 6d94396ac..000000000 --- a/newlib/libc/machine/nds32/strcpy.S +++ /dev/null @@ -1,76 +0,0 @@ -/* -Copyright (c) 2013 Andes Technology Corporation. -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - - Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - The name of the company may not be used to endorse or promote - products derived from this software without specific prior written - permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" -AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL RED HAT INCORPORATED BE LIABLE FOR ANY -DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - - Function: - strcpy - copy a string. - Syntax: - char *strcpy(char *dest, const char *src); - Description: - This function copies the string pointed to by src into the array - point to by dest (include the teminating null character). - Return value: - strcpy returns the dest as given. -*/ - .text - .align 2 - .globl strcpy - .type strcpy, @function -strcpy: - move $r3, $r0 /* Keep r0 as reture value. */ - /* If SRC or DEST is unaligned, then copy bytes. */ - or $r2, $r1, $r0 - andi $r2, $r2, #3 - bnez $r2, .Lbyte_mode - -.Lword_mode: - /* SRC and DEST are both "long int" aligned, try to do "long int" - sized copies. */ - /* #define DETECTNULL(X) (((X) - 0x01010101) & ~(X) & 0x80808080) - DETECTNULL returns nonzero if (long)X contains a NULL byte. */ - lwi $r2, [$r1+(0)] /* r2 is X */ - sethi $r4, hi20(0xFEFEFEFF) - ori $r4, $r4, lo12(0xFEFEFEFF) - add $r4, $r2, $r4 /* r4 = ((X) - 0x01010101) */ - nor $r5, $r2, $r2 /* r5 = ~(X) */ - and $r4, $r5, $r4 /* r4 = ~(X) & ((X) - 0x01010101) */ - sethi $r5, hi20(0x80808080) - ori $r5, $r5, lo12(0x80808080) - and $r4, $r4, $r5 /* r4 = r4 & 0x80808080 */ - bnez $r4, .Lbyte_mode /* Contains a NULL byte. */ - swi.bi $r2, [$r3], #4 - addi $r1, $r1, #4 - b .Lword_mode - -.Lbyte_mode: - lbi.bi $r4, [$r1], #1 /* r4 <- *src++ */ - sbi.bi $r4, [$r3], #1 /* r4 -> *dest++ */ - bnez $r4, .Lbyte_mode - ret - .size strcpy, .-strcpy diff --git a/newlib/libc/machine/nios2/Makefile.am b/newlib/libc/machine/nios2/Makefile.am deleted file mode 100644 index 60885128d..000000000 --- a/newlib/libc/machine/nios2/Makefile.am +++ /dev/null @@ -1,16 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -AM_CCASFLAGS = $(INCLUDES) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = setjmp.s -lib_a_CCASFLAGS=$(AM_CCASFLAGS) -lib_a_CFLAGS=$(AM_CFLAGS) - -ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/nios2/Makefile.in b/newlib/libc/machine/nios2/Makefile.in deleted file mode 100644 index c1a13e857..000000000 --- a/newlib/libc/machine/nios2/Makefile.in +++ /dev/null @@ -1,439 +0,0 @@ -# Makefile.in generated by automake 1.11.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software -# Foundation, Inc. -# This Makefile.in is free software; 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IN NO EVENT SHALL -; * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -; * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -; * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -; * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND -; * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR -; * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE -; * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -; */ - - .section .text - .align 3 - .globl setjmp - .type setjmp,@function - .globl longjmp - .type longjmp,@function - - -setjmp: - stw r16, 0(r4) - stw r17, 4(r4) - stw r18, 8(r4) - stw r19, 12(r4) - stw r20, 16(r4) - stw r21, 20(r4) - stw r22, 24(r4) - stw r23, 28(r4) - stw gp, 32(r4) - stw sp, 36(r4) - stw fp, 40(r4) - stw ra, 44(r4) - mov r2, zero - ret - -longjmp: - ldw r16, 0(r4) - ldw r17, 4(r4) - ldw r18, 8(r4) - ldw r19, 12(r4) - ldw r20, 16(r4) - ldw r21, 20(r4) - ldw r22, 24(r4) - ldw r23, 28(r4) - ldw gp, 32(r4) - ldw sp, 36(r4) - ldw fp, 40(r4) - ldw ra, 44(r4) - mov r2, r5 - bne r2, zero, 1f - movi r2, 1 -1: - ret diff --git a/newlib/libc/machine/or1k/Makefile.am b/newlib/libc/machine/or1k/Makefile.am deleted file mode 100644 index 5b78bc171..000000000 --- a/newlib/libc/machine/or1k/Makefile.am +++ /dev/null @@ -1,16 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -AM_CCASFLAGS = $(INCLUDES) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = setjmp.S -lib_a_CCASFLAGS=$(AM_CCASFLAGS) -lib_a_CFLAGS=$(AM_CFLAGS) - -ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/or1k/Makefile.in b/newlib/libc/machine/or1k/Makefile.in deleted file mode 100644 index 465fb7f65..000000000 --- a/newlib/libc/machine/or1k/Makefile.in +++ /dev/null @@ -1,440 +0,0 @@ -# Makefile.in generated by automake 1.11.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software -# Foundation, Inc. -# This Makefile.in is free software; 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Redistributions of source code must retain the above copyright notice, this -list of conditions and the following disclaimer. - -2. Redistributions in binary form must reproduce the above copyright notice, -this list of conditions and the following disclaimer in the documentation and/or -other materials provided with the distribution. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR -ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES -(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON -ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ - -.align 4 -.global setjmp -.type setjmp,@function -setjmp: - - l.sw 4(r3), r1 - l.sw 8(r3), r2 - /* Skip r3-r8 as they are not preserved across function calls */ - l.sw 36(r3), r9 - /* Skip r10 as it's preserved to be used by TLS */ - /* Skip r11, setjmp always set it to 0 */ - /* The following set if registers are preserved across function calls */ - l.sw 52(r3), r14 - l.sw 60(r3), r16 - l.sw 68(r3), r18 - l.sw 76(r3), r20 - l.sw 84(r3), r22 - l.sw 92(r3), r24 - l.sw 100(r3), r26 - l.sw 108(r3), r28 - l.sw 116(r3), r30 - /* Save Status Register */ - l.mfspr r13, r0, 17 - l.sw 124(r3), r13 -/* Set result register to 0 and jump */ -// Different cases for optional delay slot -#if defined(__OR1K_NODELAY__) - l.addi r11, r0, 0 - l.jr r9 -#elif defined(__OR1K_DELAY__) - l.jr r9 - l.addi r11, r0, 0 -#else - l.addi r11, r0, 0 - l.jr r9 - l.nop -#endif - -.align 4 -.global longjmp -.type longjmp,@function -longjmp: - - /* If the second argument to longjmp is zero, set return address to 1, - otherwise set it to the value of the second argument */ - l.addi r11, r0, 1 - l.sfne r4, r0 - l.bf 1f - l.nop - l.addi r11, r4, 0 - - /* Load status register */ -1: - l.lwz r15, 124(r3) - l.mtspr r0, r15, 17 - - l.lwz r1, 4(r3) - l.lwz r2, 8(r3) - /* Skip r3-r8 as they are not preserved across function calls */ - l.lwz r9, 36(r3) - /* Skip r11 as it's always set by longjmp */ - l.lwz r14, 52(r3) - l.lwz r16, 60(r3) - l.lwz r18, 68(r3) - l.lwz r20, 76(r3) - l.lwz r22, 84(r3) - l.lwz r24, 92(r3) - l.lwz r26, 100(r3) - l.lwz r28, 108(r3) - -// Different cases for optional delay slot -#if defined(__OR1K_NODELAY__) - l.lwz r30, 116(r3) - l.jr r9 -#elif defined(__OR1K_DELAY__) - l.jr r9 - l.lwz r30, 116(r3) -#else - l.lwz r30, 116(r3) - l.jr r9 - l.nop -#endif diff --git a/newlib/libc/machine/visium/Makefile.am b/newlib/libc/machine/visium/Makefile.am deleted file mode 100644 index 67cb313c8..000000000 --- a/newlib/libc/machine/visium/Makefile.am +++ /dev/null @@ -1,16 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = cygnus - -INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) - -AM_CCASFLAGS = $(INCLUDES) - -noinst_LIBRARIES = lib.a - -lib_a_SOURCES = memcpy.c memset.c memmove.c setjmp.S -lib_a_CFLAGS = $(AM_CFLAGS) -lib_a_CCASFLAGS = $(AM_CCASFLAGS) - -ACLOCAL_AMFLAGS = -I ../../.. -CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host diff --git a/newlib/libc/machine/visium/Makefile.in b/newlib/libc/machine/visium/Makefile.in deleted file mode 100644 index f7fc09e0d..000000000 --- a/newlib/libc/machine/visium/Makefile.in +++ /dev/null @@ -1,465 +0,0 @@ -# Makefile.in generated by automake 1.11.6 from Makefile.am. -# @configure_input@ - -# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, -# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software -# Foundation, Inc. -# This Makefile.in is free software; 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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -/* This file must be kept in sync with libgcc/config/visium/memcpy.c */ - -#include <stddef.h> -#include "memcpy.h" - -#define INST_BARRIER __asm__ __volatile__ ("":::"memory"); - -#define MOVE_32_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - m0 = in [8]; \ - m1 = in [9]; \ - m2 = in [10]; \ - m3 = in [11]; \ - out [8] = m0; \ - out [9] = m1; \ - out [10] = m2; \ - out [11] = m3; \ - INST_BARRIER \ - m0 = in [12]; \ - m1 = in [13]; \ - m2 = in [14]; \ - m3 = in [15]; \ - out [12] = m0; \ - out [13] = m1; \ - out [14] = m2; \ - out [15] = m3; \ - INST_BARRIER \ - m0 = in [16]; \ - m1 = in [17]; \ - m2 = in [18]; \ - m3 = in [19]; \ - out [16] = m0; \ - out [17] = m1; \ - out [18] = m2; \ - out [19] = m3; \ - INST_BARRIER \ - m0 = in [20]; \ - m1 = in [21]; \ - m2 = in [22]; \ - m3 = in [23]; \ - out [20] = m0; \ - out [21] = m1; \ - out [22] = m2; \ - out [23] = m3; \ - INST_BARRIER \ - m0 = in [24]; \ - m1 = in [25]; \ - m2 = in [26]; \ - m3 = in [27]; \ - out [24] = m0; \ - out [25] = m1; \ - out [26] = m2; \ - out [27] = m3; \ - INST_BARRIER \ - m0 = in [28]; \ - m1 = in [29]; \ - m2 = in [30]; \ - m3 = in [31]; \ - out [28] = m0; \ - out [29] = m1; \ - out [30] = m2; \ - out [31] = m3; \ - INST_BARRIER \ - in += 32; \ - out += 32; \ -} while(0) - -#define MOVE_16_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - m0 = in [8]; \ - m1 = in [9]; \ - m2 = in [10]; \ - m3 = in [11]; \ - out [8] = m0; \ - out [9] = m1; \ - out [10] = m2; \ - out [11] = m3; \ - INST_BARRIER \ - m0 = in [12]; \ - m1 = in [13]; \ - m2 = in [14]; \ - m3 = in [15]; \ - out [12] = m0; \ - out [13] = m1; \ - out [14] = m2; \ - out [15] = m3; \ - INST_BARRIER \ - in += 16; \ - out += 16; \ -} while(0) - -#define MOVE_12_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - m0 = in [8]; \ - m1 = in [9]; \ - m2 = in [10]; \ - m3 = in [11]; \ - out [8] = m0; \ - out [9] = m1; \ - out [10] = m2; \ - out [11] = m3; \ - INST_BARRIER \ - in += 12; \ - out += 12; \ -} while(0) - -#define MOVE_11_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - m0 = in [8]; \ - m1 = in [9]; \ - m2 = in [10]; \ - out [8] = m0; \ - out [9] = m1; \ - out [10] = m2; \ - INST_BARRIER \ - in += 11; \ - out += 11; \ -} while(0) - -#define MOVE_10_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - m0 = in [8]; \ - out [5] = m1; \ - m1 = in [9]; \ - out [6] = m2; \ - out [7] = m3; \ - out [8] = m0; \ - out [9] = m1; \ - INST_BARRIER \ - in += 10; \ - out += 10; \ -} while(0) - -#define MOVE_9_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - m0 = in [8]; \ - out [8] = m0; \ - in += 9; \ - out += 9; \ -} while(0) - -#define MOVE_8_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - m3 = in [7]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - out [7] = m3; \ - INST_BARRIER \ - in += 8; \ - out += 8; \ -} while(0) - -#define MOVE_7_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - m0 = in [4]; \ - m1 = in [5]; \ - m2 = in [6]; \ - out [4] = m0; \ - out [5] = m1; \ - out [6] = m2; \ - INST_BARRIER \ - in += 7; \ - out += 7; \ -} while(0) - -#define MOVE_6_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - INST_BARRIER \ - m0 = in [4]; \ - out [1] = m1; \ - INST_BARRIER \ - m1 = in [5]; \ - out [2] = m2; \ - out [3] = m3; \ - out [4] = m0; \ - out [5] = m1; \ - INST_BARRIER \ - in += 6; \ - out += 6; \ -} while(0) - -#define MOVE_5_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - INST_BARRIER \ - out [0] = m0; \ - m0 = in [4]; \ - INST_BARRIER \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - out [4] = m0; \ - INST_BARRIER \ - in += 5; \ - out += 5; \ -} while(0) - -#define MOVE_4_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - m3 = in [3]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - out [3] = m3; \ - INST_BARRIER \ - in += 4; \ - out += 4; \ -} while(0) - -#define MOVE_3_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - m2 = in [2]; \ - out [0] = m0; \ - out [1] = m1; \ - out [2] = m2; \ - INST_BARRIER \ - in += 3; \ - out += 3; \ -} while(0) - -#define MOVE_2_OBJECTS(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - m1 = in [1]; \ - out [0] = m0; \ - out [1] = m1; \ - INST_BARRIER \ - in += 2; \ - out += 2; \ -} while(0) - -#define MOVE_1_OBJECT(in,out) \ -do { \ - INST_BARRIER \ - m0 = in [0]; \ - out [0] = m0; \ - INST_BARRIER \ - in += 1; \ - out += 1; \ -} while(0) - - -static inline void -__int_memcpy (void *__restrict s1, const void *__restrict s2, size_t n) -{ - int value = n; - int loop_var; - const int *in = s2; - int *out = s1; - int count; - int m0,m1,m2,m3; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - MOVE_1_OBJECT (in, out); - break; - case 2: - MOVE_2_OBJECTS (in, out); - break; - case 3: - MOVE_3_OBJECTS (in, out); - break; - case 4: - MOVE_4_OBJECTS (in, out); - break; - case 5: - MOVE_5_OBJECTS (in, out); - break; - case 6: - MOVE_6_OBJECTS (in, out); - break; - case 7: - MOVE_7_OBJECTS (in, out); - break; - case 8: - MOVE_8_OBJECTS (in, out); - break; - case 9: - MOVE_9_OBJECTS (in, out); - break; - case 10: - MOVE_10_OBJECTS (in, out); - break; - case 11: - MOVE_11_OBJECTS (in, out); - break; - case 12: - MOVE_12_OBJECTS (in, out); - break; - case 13: - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 14: - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 15: - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 16: - MOVE_16_OBJECTS (in, out); - break; - case 17: - MOVE_11_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 18: - MOVE_9_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 19: - MOVE_16_OBJECTS (in, out); - MOVE_3_OBJECTS (in, out); - break; - case 20: - MOVE_16_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 21: - MOVE_16_OBJECTS (in, out); - MOVE_5_OBJECTS (in, out); - break; - case 22: - MOVE_16_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 23: - MOVE_16_OBJECTS (in, out); - MOVE_7_OBJECTS (in, out); - break; - case 24: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - break; - case 25: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 26: - MOVE_16_OBJECTS (in, out); - MOVE_10_OBJECTS (in, out); - break; - case 27: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - break; - case 28: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 29: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 30: - MOVE_16_OBJECTS (in, out); - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 31: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - MOVE_32_OBJECTS (in, out); -} - -static inline void -__shrt_int_memcpy (void *__restrict s1, const void *__restrict s2, size_t n) -{ - int value = n; - int loop_var; - const short int *in = s2; - int short *out = s1; - int count; - int m0,m1,m2,m3; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - MOVE_1_OBJECT (in, out); - break; - case 2: - MOVE_2_OBJECTS (in, out); - break; - case 3: - MOVE_3_OBJECTS (in, out); - break; - case 4: - MOVE_4_OBJECTS (in, out); - break; - case 5: - MOVE_5_OBJECTS (in, out); - break; - case 6: - MOVE_6_OBJECTS (in, out); - break; - case 7: - MOVE_7_OBJECTS (in, out); - break; - case 8: - MOVE_8_OBJECTS (in, out); - break; - case 9: - MOVE_9_OBJECTS (in, out); - break; - case 10: - MOVE_10_OBJECTS (in, out); - break; - case 11: - MOVE_11_OBJECTS (in, out); - break; - case 12: - MOVE_12_OBJECTS (in, out); - break; - case 13: - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 14: - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 15: - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 16: - MOVE_16_OBJECTS (in, out); - break; - case 17: - MOVE_11_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 18: - MOVE_9_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 19: - MOVE_16_OBJECTS (in, out); - MOVE_3_OBJECTS (in, out); - break; - case 20: - MOVE_16_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 21: - MOVE_16_OBJECTS (in, out); - MOVE_5_OBJECTS (in, out); - break; - case 22: - MOVE_16_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 23: - MOVE_16_OBJECTS (in, out); - MOVE_7_OBJECTS (in, out); - break; - case 24: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - break; - case 25: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 26: - MOVE_16_OBJECTS (in, out); - MOVE_10_OBJECTS (in, out); - break; - case 27: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - break; - case 28: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 29: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 30: - MOVE_16_OBJECTS (in, out); - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 31: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - MOVE_32_OBJECTS (in, out); -} - - -static inline void -__byte_memcpy (void *__restrict s1, const void *__restrict s2, size_t n) -{ - int value = n; - int loop_var; - const char *in = s2; - char *out = s1; - int count; - int m0,m1,m2,m3; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - MOVE_1_OBJECT (in, out); - break; - case 2: - MOVE_2_OBJECTS (in, out); - break; - case 3: - MOVE_3_OBJECTS (in, out); - break; - case 4: - MOVE_4_OBJECTS (in, out); - break; - case 5: - MOVE_5_OBJECTS (in, out); - break; - case 6: - MOVE_6_OBJECTS (in, out); - break; - case 7: - MOVE_7_OBJECTS (in, out); - break; - case 8: - MOVE_8_OBJECTS (in, out); - break; - case 9: - MOVE_9_OBJECTS (in, out); - break; - case 10: - MOVE_10_OBJECTS (in, out); - break; - case 11: - MOVE_11_OBJECTS (in, out); - break; - case 12: - MOVE_12_OBJECTS (in, out); - break; - case 13: - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 14: - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 15: - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 16: - MOVE_16_OBJECTS (in, out); - break; - case 17: - MOVE_11_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 18: - MOVE_9_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 19: - MOVE_16_OBJECTS (in, out); - MOVE_3_OBJECTS (in, out); - break; - case 20: - MOVE_16_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 21: - MOVE_16_OBJECTS (in, out); - MOVE_5_OBJECTS (in, out); - break; - case 22: - MOVE_16_OBJECTS (in, out); - MOVE_6_OBJECTS (in, out); - break; - case 23: - MOVE_16_OBJECTS (in, out); - MOVE_7_OBJECTS (in, out); - break; - case 24: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - break; - case 25: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - break; - case 26: - MOVE_16_OBJECTS (in, out); - MOVE_10_OBJECTS (in, out); - break; - case 27: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - break; - case 28: - MOVE_16_OBJECTS (in, out); - MOVE_8_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 29: - MOVE_16_OBJECTS (in, out); - MOVE_9_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - case 30: - MOVE_16_OBJECTS (in, out); - MOVE_12_OBJECTS (in, out); - MOVE_2_OBJECTS (in, out); - break; - case 31: - MOVE_16_OBJECTS (in, out); - MOVE_11_OBJECTS (in, out); - MOVE_4_OBJECTS (in, out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - MOVE_32_OBJECTS (in, out); -} - - -/* Exposed interface. */ - -void * -memcpy (void *__restrict s1, const void *__restrict s2, size_t n) -{ - void *result = s1; - - /* None of the following handles copying zero bytes. */ - if (n != 0) - { - unsigned test = (unsigned) s2 | (unsigned) s1 | (unsigned) n; - - if (test & 1) - __byte_memcpy (s1, s2, n); - else if (test & 2) - __shrt_int_memcpy (s1, s2, n >> 1); - else -#ifdef __VISIUM_ARCH_BMI__ - __asm__ __volatile__ ("bmd %0,%1,%2" - : "+t" (s1), "+u" (s2), "+v" (n) - : - : "r4", "r5", "r6", "memory"); -#else - __int_memcpy (s1, s2, n >> 2); -#endif /* __VISIUM_ARCH_BMI__ */ - } - - return result; -} diff --git a/newlib/libc/machine/visium/memcpy.h b/newlib/libc/machine/visium/memcpy.h deleted file mode 100644 index a645aa703..000000000 --- a/newlib/libc/machine/visium/memcpy.h +++ /dev/null @@ -1,31 +0,0 @@ -/* memcpy for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -void * -memcpy (void *__restrict s1, const void *__restrict s2, size_t n); diff --git a/newlib/libc/machine/visium/memmove.c b/newlib/libc/machine/visium/memmove.c deleted file mode 100644 index d59421362..000000000 --- a/newlib/libc/machine/visium/memmove.c +++ /dev/null @@ -1,52 +0,0 @@ -/* memmove for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -#include <string.h> - -void * -memmove (void *dst, const void *src, size_t len) -{ - char *d = dst; - const char *s = src; - - /* The overlap case is allegedly rare - with this implementation - it will have a high penalty on the GR6. */ - if (s < d && d < s + len) - { - s += len; - d += len; - - while (len--) - *--d = *--s; - - return dst; - } - - return memcpy (dst, src, len); -} diff --git a/newlib/libc/machine/visium/memset.c b/newlib/libc/machine/visium/memset.c deleted file mode 100644 index bad64a96d..000000000 --- a/newlib/libc/machine/visium/memset.c +++ /dev/null @@ -1,677 +0,0 @@ -/* memset for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -/* This file must be kept in sync with libgcc/config/visium/memset.c */ - -#include <stddef.h> -#include "memset.h" - -#define SET_32_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out [9] = m0; \ - out [10] = m0; \ - out [11] = m0; \ - out [12] = m0; \ - out [13] = m0; \ - out [14] = m0; \ - out [15] = m0; \ - out [16] = m0; \ - out [17] = m0; \ - out [18] = m0; \ - out [19] = m0; \ - out [20] = m0; \ - out [21] = m0; \ - out [22] = m0; \ - out [23] = m0; \ - out [24] = m0; \ - out [25] = m0; \ - out [26] = m0; \ - out [27] = m0; \ - out [28] = m0; \ - out [29] = m0; \ - out [30] = m0; \ - out [31] = m0; \ - out += 32; \ -} while(0) - -#define SET_16_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out [9] = m0; \ - out [10] = m0; \ - out [11] = m0; \ - out [12] = m0; \ - out [13] = m0; \ - out [14] = m0; \ - out [15] = m0; \ - out += 16; \ -} while(0) - -#define SET_12_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out [9] = m0; \ - out [10] = m0; \ - out [11] = m0; \ - out += 12; \ -} while(0) - -#define SET_11_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out [9] = m0; \ - out [10] = m0; \ - out += 11; \ -} while(0) - -#define SET_10_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out [9] = m0; \ - out += 10; \ -} while(0) - -#define SET_9_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out [8] = m0; \ - out += 9; \ -} while(0) - -#define SET_8_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out [7] = m0; \ - out += 8; \ -} while(0) - -#define SET_7_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out [6] = m0; \ - out += 7; \ -} while(0) - -#define SET_6_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out [5] = m0; \ - out += 6; \ -} while(0) - -#define SET_5_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out [4] = m0; \ - out += 5; \ -} while(0) - -#define SET_4_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out [3] = m0; \ - out += 4; \ -} while(0) - -#define SET_3_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out [2] = m0; \ - out += 3; \ -} while(0) - -#define SET_2_OBJECTS(out) \ -do { \ - out [0] = m0; \ - out [1] = m0; \ - out += 2; \ -} while(0) - -#define SET_1_OBJECT(out) \ -do { \ - out [0] = m0; \ - out += 1; \ -} while(0) - - -static inline void -__int_memset (void *__restrict s1, int val, size_t n) -{ - int value = n; - int loop_var; - int *out = s1; - int count; - int m0 = val; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - SET_1_OBJECT (out); - break; - case 2: - SET_2_OBJECTS (out); - break; - case 3: - SET_3_OBJECTS (out); - break; - case 4: - SET_4_OBJECTS (out); - break; - case 5: - SET_5_OBJECTS (out); - break; - case 6: - SET_6_OBJECTS (out); - break; - case 7: - SET_7_OBJECTS (out); - break; - case 8: - SET_8_OBJECTS (out); - break; - case 9: - SET_9_OBJECTS (out); - break; - case 10: - SET_10_OBJECTS (out); - break; - case 11: - SET_11_OBJECTS (out); - break; - case 12: - SET_12_OBJECTS (out); - break; - case 13: - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 14: - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 15: - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 16: - SET_16_OBJECTS (out); - break; - case 17: - SET_11_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 18: - SET_9_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 19: - SET_16_OBJECTS (out); - SET_3_OBJECTS (out); - break; - case 20: - SET_16_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 21: - SET_16_OBJECTS (out); - SET_5_OBJECTS (out); - break; - case 22: - SET_16_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 23: - SET_16_OBJECTS (out); - SET_7_OBJECTS (out); - break; - case 24: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - break; - case 25: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 26: - SET_16_OBJECTS (out); - SET_10_OBJECTS (out); - break; - case 27: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - break; - case 28: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 29: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 30: - SET_16_OBJECTS (out); - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 31: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - SET_32_OBJECTS (out); -} - -static inline void -__short_int_memset (void *__restrict s1, int val, size_t n) -{ - int value = n; - int loop_var; - int short *out = s1; - int count; - int m0 = val; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - SET_1_OBJECT (out); - break; - case 2: - SET_2_OBJECTS (out); - break; - case 3: - SET_3_OBJECTS (out); - break; - case 4: - SET_4_OBJECTS (out); - break; - case 5: - SET_5_OBJECTS (out); - break; - case 6: - SET_6_OBJECTS (out); - break; - case 7: - SET_7_OBJECTS (out); - break; - case 8: - SET_8_OBJECTS (out); - break; - case 9: - SET_9_OBJECTS (out); - break; - case 10: - SET_10_OBJECTS (out); - break; - case 11: - SET_11_OBJECTS (out); - break; - case 12: - SET_12_OBJECTS (out); - break; - case 13: - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 14: - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 15: - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 16: - SET_16_OBJECTS (out); - break; - case 17: - SET_11_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 18: - SET_9_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 19: - SET_16_OBJECTS (out); - SET_3_OBJECTS (out); - break; - case 20: - SET_16_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 21: - SET_16_OBJECTS (out); - SET_5_OBJECTS (out); - break; - case 22: - SET_16_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 23: - SET_16_OBJECTS (out); - SET_7_OBJECTS (out); - break; - case 24: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - break; - case 25: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 26: - SET_16_OBJECTS (out); - SET_10_OBJECTS (out); - break; - case 27: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - break; - case 28: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 29: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 30: - SET_16_OBJECTS (out); - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 31: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - SET_32_OBJECTS (out); -} - -static inline void -__byte_memset (void *__restrict s1, int val, size_t n) -{ - int value = n; - int loop_var; - char *out = s1; - int count; - int m0 = val; - - /* This code currently give a stall for any value with a 1->2 in the low 5 - bits, i.e. 1,2, 33,34 ? not acceptable! */ - switch (value & 0x1f) - { - case 0: - break; - case 1: - SET_1_OBJECT (out); - break; - case 2: - SET_2_OBJECTS (out); - break; - case 3: - SET_3_OBJECTS (out); - break; - case 4: - SET_4_OBJECTS (out); - break; - case 5: - SET_5_OBJECTS (out); - break; - case 6: - SET_6_OBJECTS (out); - break; - case 7: - SET_7_OBJECTS (out); - break; - case 8: - SET_8_OBJECTS (out); - break; - case 9: - SET_9_OBJECTS (out); - break; - case 10: - SET_10_OBJECTS (out); - break; - case 11: - SET_11_OBJECTS (out); - break; - case 12: - SET_12_OBJECTS (out); - break; - case 13: - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 14: - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 15: - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 16: - SET_16_OBJECTS (out); - break; - case 17: - SET_11_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 18: - SET_9_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 19: - SET_16_OBJECTS (out); - SET_3_OBJECTS (out); - break; - case 20: - SET_16_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 21: - SET_16_OBJECTS (out); - SET_5_OBJECTS (out); - break; - case 22: - SET_16_OBJECTS (out); - SET_6_OBJECTS (out); - break; - case 23: - SET_16_OBJECTS (out); - SET_7_OBJECTS (out); - break; - case 24: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - break; - case 25: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - break; - case 26: - SET_16_OBJECTS (out); - SET_10_OBJECTS (out); - break; - case 27: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - break; - case 28: - SET_16_OBJECTS (out); - SET_8_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 29: - SET_16_OBJECTS (out); - SET_9_OBJECTS (out); - SET_4_OBJECTS (out); - break; - case 30: - SET_16_OBJECTS (out); - SET_12_OBJECTS (out); - SET_2_OBJECTS (out); - break; - case 31: - SET_16_OBJECTS (out); - SET_11_OBJECTS (out); - SET_4_OBJECTS (out); - break; - } - - /* This loop governs the asmptoptic behaviour of this algorithm, for long - word copies. */ - count = value >> 5; - for (loop_var = 0; loop_var < count; loop_var++) - SET_32_OBJECTS (out); -} - - -/* Exposed interface. */ - -void * -memset (void *s, int c, size_t n) -{ - void *result = s; - - /* None of the following handles setting zero bytes. */ - if (n != 0) - { - unsigned test = (unsigned) s | (unsigned) n; - - if (test & 1) - __byte_memset (s, c, n); - else if (test & 2) - { - short int sc = (short int) ((c << 8) + (char) c); - __short_int_memset (s, sc, n >> 1); - } - else - { - int ic = (c << 24) + ((char) c << 16) + ((char) c << 8) + (char) c; - __int_memset (s, ic, n >> 2); - } - } - - return result; -} diff --git a/newlib/libc/machine/visium/memset.h b/newlib/libc/machine/visium/memset.h deleted file mode 100644 index 0ca59748f..000000000 --- a/newlib/libc/machine/visium/memset.h +++ /dev/null @@ -1,31 +0,0 @@ -/* memset for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - -void * -memset (void *s, int c, size_t n); diff --git a/newlib/libc/machine/visium/setjmp.S b/newlib/libc/machine/visium/setjmp.S deleted file mode 100644 index 5ef429ba8..000000000 --- a/newlib/libc/machine/visium/setjmp.S +++ /dev/null @@ -1,67 +0,0 @@ -/* setjmp/longjmp for the Visium processor. - - Copyright (c) 2015 Rolls-Royce Controls and Data Services Limited. - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - * Neither the name of Rolls-Royce Controls and Data Services Limited nor - the names of its contributors may be used to endorse or promote products - derived from this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - THE POSSIBILITY OF SUCH DAMAGE. */ - - .text - .globl setjmp - .type setjmp, @function -setjmp: - write.l 0(r1),r11 - write.l 1(r1),r12 - write.l 2(r1),r13 - write.l 3(r1),r14 - write.l 4(r1),r15 - write.l 5(r1),r16 - write.l 6(r1),r17 - write.l 7(r1),r18 - write.l 8(r1),r19 - write.l 9(r1),r21 - write.l 10(r1),r22 - write.l 11(r1),r23 - bra tr,r21,r0 - moviq r1,0 - .size setjmp, .-setjmp - - .globl longjmp - .type longjmp, @function -longjmp: - read.l r11,0(r1) - read.l r12,1(r1) - read.l r13,2(r1) - read.l r14,3(r1) - read.l r15,4(r1) - read.l r16,5(r1) - read.l r17,6(r1) - read.l r18,7(r1) - read.l r19,8(r1) - read.l r21,9(r1) - read.l r22,10(r1) - read.l r23,11(r1) - bra tr,r21,r0 - move.l r1,r2 - .size longjmp, .-longjmp |