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| author | Rich Felker <dalias@aerifal.cx> | 2012-03-19 06:22:54 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-03-19 06:22:54 -0400 |
| commit | be5b01f855b9a6460f8ed575bea50dd01030cb50 (patch) | |
| tree | 085cb865c1ee70c5549080e949254e26f3e79178 | |
| parent | 1bf4dad32727ee17e6067caac6600ca0c5ab9f2d (diff) | |
| download | musl-be5b01f855b9a6460f8ed575bea50dd01030cb50.tar.gz musl-be5b01f855b9a6460f8ed575bea50dd01030cb50.tar.xz musl-be5b01f855b9a6460f8ed575bea50dd01030cb50.zip | |
fix broken modf family functions
| -rw-r--r-- | src/math/i386/modf.s | 31 | ||||
| -rw-r--r-- | src/math/i386/modff.s | 31 | ||||
| -rw-r--r-- | src/math/i386/modfl.s | 31 |
3 files changed, 66 insertions, 27 deletions
diff --git a/src/math/i386/modf.s b/src/math/i386/modf.s index b88e7841..8e3ea50d 100644 --- a/src/math/i386/modf.s +++ b/src/math/i386/modf.s @@ -1,15 +1,28 @@ .global modf .type modf,@function modf: - mov 12(%esp),%eax + mov 12(%esp),%ecx fldl 4(%esp) - fld1 - fld %st(1) -1: fprem - fstsw %ax + fxam + fnstsw %ax sahf - jp 1b - fstp %st(1) - fsubr %st(1) - fstpl (%eax) + jnp 1f + jc 2f +1: fld1 + fld %st(1) +1: fprem + fnstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(0),%st(1) + fxch %st(1) + fstpl (%ecx) + ret + +2: fstpl (%ecx) + mov 4(%ecx),%eax + and $0x80000000,%eax + mov %eax,4(%esp) + flds 4(%esp) ret diff --git a/src/math/i386/modff.s b/src/math/i386/modff.s index d29b4b60..35a08ca9 100644 --- a/src/math/i386/modff.s +++ b/src/math/i386/modff.s @@ -1,15 +1,28 @@ .global modff .type modff,@function modff: - mov 8(%esp),%eax + mov 8(%esp),%ecx flds 4(%esp) - fld1 - fld %st(1) -1: fprem - fstsw %ax + fxam + fnstsw %ax sahf - jp 1b - fstp %st(1) - fsubr %st(1) - fstps (%eax) + jnp 1f + jc 2f +1: fld1 + fld %st(1) +1: fprem + fnstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(0),%st(1) + fxch %st(1) + fstps (%ecx) + ret + +2: fstps (%ecx) + mov (%ecx),%eax + and $0x80000000,%eax + mov %eax,4(%esp) + flds 4(%esp) ret diff --git a/src/math/i386/modfl.s b/src/math/i386/modfl.s index f9380083..d650debb 100644 --- a/src/math/i386/modfl.s +++ b/src/math/i386/modfl.s @@ -1,15 +1,28 @@ .global modfl .type modfl,@function modfl: - mov 16(%esp),%eax + mov 16(%esp),%ecx fldt 4(%esp) - fld1 - fld %st(1) -1: fprem - fstsw %ax + fxam + fnstsw %ax sahf - jp 1b - fstp %st(1) - fsubr %st(1) - fstpt (%eax) + jnp 1f + jc 2f +1: fld1 + fld %st(1) +1: fprem + fnstsw %ax + sahf + jp 1b + fstp %st(1) + fsubr %st(0),%st(1) + fxch %st(1) + fstpt (%ecx) + ret + +2: fstpt (%ecx) + mov 6(%ecx),%eax + and $0x80000000,%eax + mov %eax,4(%esp) + flds 4(%esp) ret |