diff options
| author | Jeff Johnston <jjohnstn@redhat.com> | 2009-09-01 02:12:41 +0400 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2009-09-01 02:12:41 +0400 |
| commit | a9dd63246134c04419cfd42ff22d2e8c46069beb (patch) | |
| tree | 550b926e5a92672a447c62f41c1f87843e7191ee | |
| parent | dd5b8f6c1715e5f12fe1c865ec7896445b15b6a0 (diff) | |
2009-08-31 Takaki Makino <t@snowelm.com>
* libm/machine/i386/f_pow.c(_f_pow): Alter ASM so it works with
newer gcc versions.
* libm/maachine/i386/f_powf.c(_f_powf): Ditto.
| -rw-r--r-- | newlib/ChangeLog | 6 | ||||
| -rw-r--r-- | newlib/libm/machine/i386/f_pow.c | 4 | ||||
| -rw-r--r-- | newlib/libm/machine/i386/f_powf.c | 4 |
3 files changed, 10 insertions, 4 deletions
diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 3405b828b..415a9166e 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,9 @@ +2009-08-31 Takaki Makino <t@snowelm.com> + + * libm/machine/i386/f_pow.c(_f_pow): Alter ASM so it works with + newer gcc versions. + * libm/maachine/i386/f_powf.c(_f_powf): Ditto. + 2009-08-25 Andy Koppe <andy.koppe@gmail.com> * libc/stdlib/sb_charsets.c (__micro_atoi): Allow five-digit codepage diff --git a/newlib/libm/machine/i386/f_pow.c b/newlib/libm/machine/i386/f_pow.c index 050faa371..d1ef4213b 100644 --- a/newlib/libm/machine/i386/f_pow.c +++ b/newlib/libm/machine/i386/f_pow.c @@ -35,9 +35,9 @@ double _f_pow (double x, double y) /* calculate x ** y as 2 ** (y log2(x)). On Intel, can only raise 2 to an integer or a small fraction, thus, we have to perform two steps 2**integer portion * 2**fraction. */ - asm ("fldl 8(%%ebp); fyl2x; fld %%st; frndint; fsub %%st,%%st(1);" \ + asm ("fyl2x; fld %%st; frndint; fsub %%st,%%st(1);"\ "fxch; fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1);"\ - "fmulp" : "=t" (result) : "0" (y)); + "fmulp" : "=t" (result) : "0" (x), "u" (y) : "st(1)" ); return result; } else /* all other strange cases, defer to normal pow() */ diff --git a/newlib/libm/machine/i386/f_powf.c b/newlib/libm/machine/i386/f_powf.c index ca3ef60c7..a778f46a7 100644 --- a/newlib/libm/machine/i386/f_powf.c +++ b/newlib/libm/machine/i386/f_powf.c @@ -35,9 +35,9 @@ float _f_powf (float x, float y) /* calculate x ** y as 2 ** (y log2(x)). On Intel, can only raise 2 to an integer or a small fraction, thus, we have to perform two steps 2**integer portion * 2**fraction. */ - asm ("flds 8(%%ebp); fyl2x; fld %%st; frndint; fsub %%st,%%st(1);" \ + asm ("fyl2x; fld %%st; frndint; fsub %%st,%%st(1);"\ "fxch; fchs; f2xm1; fld1; faddp; fxch; fld1; fscale; fstp %%st(1);"\ - "fmulp" : "=t" (result) : "0" (y)); + "fmulp" : "=t" (result) : "0" (x), "u" (y) : "st(1)" ); return result; } else /* all other strange cases, defer to normal pow() */ |