diff options
Diffstat (limited to 'newlib/libc/machine/nds32')
| -rw-r--r-- | newlib/libc/machine/nds32/Makefile.am | 4 | ||||
| -rw-r--r-- | newlib/libc/machine/nds32/Makefile.in | 20 | ||||
| -rwxr-xr-x | newlib/libc/machine/nds32/configure | 1086 | ||||
| -rw-r--r-- | newlib/libc/machine/nds32/configure.in | 12 | ||||
| -rw-r--r-- | newlib/libc/machine/nds32/setjmp.S | 115 |
5 files changed, 34 insertions, 1203 deletions
diff --git a/newlib/libc/machine/nds32/Makefile.am b/newlib/libc/machine/nds32/Makefile.am index 8abd7306b..fa96ccd07 100644 --- a/newlib/libc/machine/nds32/Makefile.am +++ b/newlib/libc/machine/nds32/Makefile.am @@ -8,11 +8,7 @@ AM_CCASFLAGS = $(INCLUDES) noinst_LIBRARIES = lib.a -if IS_NDS32_ISA_V3M -lib_a_SOURCES = abort.c setjmp.S strcmp.S strcpy.S -else lib_a_SOURCES = abort.c memcpy.S memset.S setjmp.S strcmp.S strcpy.S -endif lib_a_CCASFLAGS=$(AM_CCASFLAGS) lib_a_CFLAGS = $(AM_CFLAGS) diff --git a/newlib/libc/machine/nds32/Makefile.in b/newlib/libc/machine/nds32/Makefile.in index 276d1d350..a70705caa 100644 --- a/newlib/libc/machine/nds32/Makefile.in +++ b/newlib/libc/machine/nds32/Makefile.in @@ -69,16 +69,9 @@ LIBRARIES = $(noinst_LIBRARIES) ARFLAGS = cru lib_a_AR = $(AR) $(ARFLAGS) lib_a_LIBADD = -@IS_NDS32_ISA_V3M_FALSE@am_lib_a_OBJECTS = lib_a-abort.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_FALSE@ lib_a-memcpy.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_FALSE@ lib_a-memset.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_FALSE@ lib_a-setjmp.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_FALSE@ lib_a-strcmp.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_FALSE@ lib_a-strcpy.$(OBJEXT) -@IS_NDS32_ISA_V3M_TRUE@am_lib_a_OBJECTS = lib_a-abort.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_TRUE@ lib_a-setjmp.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_TRUE@ lib_a-strcmp.$(OBJEXT) \ -@IS_NDS32_ISA_V3M_TRUE@ lib_a-strcpy.$(OBJEXT) +am_lib_a_OBJECTS = lib_a-abort.$(OBJEXT) lib_a-memcpy.$(OBJEXT) \ + lib_a-memset.$(OBJEXT) lib_a-setjmp.$(OBJEXT) \ + lib_a-strcmp.$(OBJEXT) lib_a-strcpy.$(OBJEXT) lib_a_OBJECTS = $(am_lib_a_OBJECTS) DEFAULT_INCLUDES = -I.@am__isrc@ depcomp = @@ -109,15 +102,12 @@ CC = @CC@ CCAS = @CCAS@ CCASFLAGS = @CCASFLAGS@ CCDEPMODE = @CCDEPMODE@ -CFLAGS = @CFLAGS@ -CPPFLAGS = @CPPFLAGS@ CYGPATH_W = @CYGPATH_W@ DEFS = @DEFS@ DEPDIR = @DEPDIR@ ECHO_C = @ECHO_C@ ECHO_N = @ECHO_N@ ECHO_T = @ECHO_T@ -EXEEXT = @EXEEXT@ INSTALL = @INSTALL@ INSTALL_DATA = @INSTALL_DATA@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ @@ -151,7 +141,6 @@ abs_builddir = @abs_builddir@ abs_srcdir = @abs_srcdir@ abs_top_builddir = @abs_top_builddir@ abs_top_srcdir = @abs_top_srcdir@ -ac_ct_CC = @ac_ct_CC@ aext = @aext@ am__include = @am__include@ am__leading_dot = @am__leading_dot@ @@ -208,8 +197,7 @@ AUTOMAKE_OPTIONS = cygnus INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS) AM_CCASFLAGS = $(INCLUDES) noinst_LIBRARIES = lib.a -@IS_NDS32_ISA_V3M_FALSE@lib_a_SOURCES = abort.c memcpy.S memset.S setjmp.S strcmp.S strcpy.S -@IS_NDS32_ISA_V3M_TRUE@lib_a_SOURCES = abort.c setjmp.S strcmp.S strcpy.S +lib_a_SOURCES = abort.c memcpy.S memset.S setjmp.S strcmp.S strcpy.S lib_a_CCASFLAGS = $(AM_CCASFLAGS) lib_a_CFLAGS = $(AM_CFLAGS) ACLOCAL_AMFLAGS = -I ../../.. -I ../../../.. diff --git a/newlib/libc/machine/nds32/configure b/newlib/libc/machine/nds32/configure index 4b88e6d3d..ba0df833e 100755 --- a/newlib/libc/machine/nds32/configure +++ b/newlib/libc/machine/nds32/configure @@ -1,6 +1,6 @@ #! /bin/sh # Guess values for system-dependent variables and create Makefiles. -# Generated by GNU Autoconf 2.68 for newlib 2.2.0. +# Generated by GNU Autoconf 2.68 for newlib 2.1.0. # # # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, @@ -556,23 +556,14 @@ MAKEFLAGS= # Identity of this package. PACKAGE_NAME='newlib' PACKAGE_TARNAME='newlib' -PACKAGE_VERSION='2.2.0' -PACKAGE_STRING='newlib 2.2.0' +PACKAGE_VERSION='2.1.0' +PACKAGE_STRING='newlib 2.1.0' PACKAGE_BUGREPORT='' PACKAGE_URL='' ac_unique_file="setjmp.S" -ac_no_link=no -ac_subst_vars='am__EXEEXT_FALSE -am__EXEEXT_TRUE -LTLIBOBJS +ac_subst_vars='LTLIBOBJS LIBOBJS -IS_NDS32_ISA_V3M_FALSE -IS_NDS32_ISA_V3M_TRUE -EXEEXT -ac_ct_CC -CPPFLAGS -CFLAGS sys_dir machine_dir libm_machine_dir @@ -705,12 +696,7 @@ enable_maintainer_mode host_alias target_alias CCAS -CCASFLAGS -CC -CFLAGS -LDFLAGS -LIBS -CPPFLAGS' +CCASFLAGS' # Initialize some variables set by options. @@ -1253,7 +1239,7 @@ if test "$ac_init_help" = "long"; then # Omit some internal or obsolete options to make the list less imposing. # This message is too long to be a string in the A/UX 3.1 sh. cat <<_ACEOF -\`configure' configures newlib 2.2.0 to adapt to many kinds of systems. +\`configure' configures newlib 2.1.0 to adapt to many kinds of systems. Usage: $0 [OPTION]... [VAR=VALUE]... @@ -1323,7 +1309,7 @@ fi if test -n "$ac_init_help"; then case $ac_init_help in - short | recursive ) echo "Configuration of newlib 2.2.0:";; + short | recursive ) echo "Configuration of newlib 2.1.0:";; esac cat <<\_ACEOF @@ -1347,13 +1333,6 @@ Optional Features: Some influential environment variables: CCAS assembler compiler command (defaults to CC) CCASFLAGS assembler compiler flags (defaults to CFLAGS) - CC C compiler command - CFLAGS C compiler flags - LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a - nonstandard directory <lib dir> - LIBS libraries to pass to the linker, e.g. -l<library> - CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if - you have headers in a nonstandard directory <include dir> Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. @@ -1421,7 +1400,7 @@ fi test -n "$ac_init_help" && exit $ac_status if $ac_init_version; then cat <<\_ACEOF -newlib configure 2.2.0 +newlib configure 2.1.0 generated by GNU Autoconf 2.68 Copyright (C) 2010 Free Software Foundation, Inc. @@ -1476,7 +1455,7 @@ cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. -It was created by newlib $as_me 2.2.0, which was +It was created by newlib $as_me 2.1.0, which was generated by GNU Autoconf 2.68. Invocation command line was $ $0 $@ @@ -2548,7 +2527,7 @@ fi # Define the identity of the package. PACKAGE='newlib' - VERSION='2.2.0' + VERSION='2.1.0' # Some tools Automake needs. @@ -3431,1032 +3410,6 @@ OBJEXT=${oext} - -ac_ext=c -ac_cpp='$CPP $CPPFLAGS' -ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' -ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' -ac_compiler_gnu=$ac_cv_c_compiler_gnu -if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. -set dummy ${ac_tool_prefix}gcc; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... 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"conditional \"MAY_SUPPLY_SYSCALLS\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi - if test -n "$EXEEXT"; then - am__EXEEXT_TRUE= - am__EXEEXT_FALSE='#' -else - am__EXEEXT_TRUE='#' - am__EXEEXT_FALSE= -fi if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then as_fn_error $? "conditional \"AMDEP\" was never defined. @@ -4652,14 +3598,6 @@ if test -z "${USE_LIBTOOL_TRUE}" && test -z "${USE_LIBTOOL_FALSE}"; then as_fn_error $? "conditional \"USE_LIBTOOL\" was never defined. Usually this means the macro was only invoked conditionally." "$LINENO" 5 fi -if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then - as_fn_error $? "conditional \"am__fastdepCC\" was never defined. -Usually this means the macro was only invoked conditionally." "$LINENO" 5 -fi -if test -z "${IS_NDS32_ISA_V3M_TRUE}" && test -z "${IS_NDS32_ISA_V3M_FALSE}"; then - as_fn_error $? "conditional \"IS_NDS32_ISA_V3M\" was never defined. -Usually this means the macro was only invoked conditionally." "$LINENO" 5 -fi : "${CONFIG_STATUS=./config.status}" ac_write_fail=0 @@ -5069,7 +4007,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 # report actual input values of CONFIG_FILES etc. instead of their # values after options handling. ac_log=" -This file was extended by newlib $as_me 2.2.0, which was +This file was extended by newlib $as_me 2.1.0, which was generated by GNU Autoconf 2.68. Invocation command line was CONFIG_FILES = $CONFIG_FILES @@ -5126,7 +4064,7 @@ _ACEOF cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" ac_cs_version="\\ -newlib config.status 2.2.0 +newlib config.status 2.1.0 configured by $0, generated by GNU Autoconf 2.68, with options \\"\$ac_cs_config\\" diff --git a/newlib/libc/machine/nds32/configure.in b/newlib/libc/machine/nds32/configure.in index 7b1a073ec..781e93936 100644 --- a/newlib/libc/machine/nds32/configure.in +++ b/newlib/libc/machine/nds32/configure.in @@ -10,17 +10,5 @@ AC_CONFIG_AUX_DIR(../../../..) NEWLIB_CONFIGURE(../../..) -dnl Use builtin macro to detect if this is for "AndeStar ISA V3m". -AC_NO_EXECUTABLES -AC_COMPILE_IFELSE([AC_LANG_PROGRAM( -[[#ifdef __NDS32_ISA_V3M__ -warning: This is nds32_isa_v3m. -#endif -]])], - [is_nds32_isa_v3m="no"], - [is_nds32_isa_v3m="yes"]) -AM_CONDITIONAL(IS_NDS32_ISA_V3M, test "$is_nds32_isa_v3m" = "yes") - - AC_CONFIG_FILES([Makefile]) AC_OUTPUT diff --git a/newlib/libc/machine/nds32/setjmp.S b/newlib/libc/machine/nds32/setjmp.S index 7197c86f3..90b162ef8 100644 --- a/newlib/libc/machine/nds32/setjmp.S +++ b/newlib/libc/machine/nds32/setjmp.S @@ -40,9 +40,7 @@ The usage of thirty-two 32-bit General Purpose Registers (GPR): 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. +Save all callee-save registers and $fp, $gp, $lp and $sp. */ /* int setjmp(jmp_buf env); */ @@ -51,53 +49,14 @@ The $r16 ~ $r19 are used to store D0/D1, keep them for backward-compatible. .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 +#ifdef __NDS32_REDUCED_REGS__ + /* This case, save 10 words. */ + smw.bim $r6, [$r0], $r10, 0x0 + smw.bim $r31, [$r0], $r31, 0xf #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 + /* This case, save 17 words. */ + smw.bim $r6, [$r0], $r14, 0x0 + smw.bim $r16, [$r0], $r19, 0xf #endif /* Set return value to zero. */ @@ -112,55 +71,17 @@ setjmp: .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 +#ifdef __NDS32_REDUCED_REGS__ + lmw.bim $r6, [$r0], $r10, 0x0 + lmw.bim $r31, [$r0], $r31, 0xf #else - lmw.bim $r6, [$r0], $r14, #0b0000 - lmw.bim $r16, [$r0], $r19, #0b1111 + lmw.bim $r6, [$r0], $r14, 0x0 + lmw.bim $r16, [$r0], $r19, 0xf #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 */ + /* If the value val is 0, 1 will be returned instead. */ + bnez $r1, 1f + movi $r1, 1 +1: + move $r0, $r1 ret .size longjmp, .-longjmp |