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| author | nsz <nsz@port70.net> | 2012-03-29 14:05:16 +0200 |
|---|---|---|
| committer | nsz <nsz@port70.net> | 2012-03-29 14:05:16 +0200 |
| commit | d79ac8c38f3992b4547d155f5c8e612f51d9b32e (patch) | |
| tree | b4d5a4653e016e97358efa70184bfe4be8940b7f /src/math | |
| parent | f6ceccd92247575e4a35bc94f581a570b8052d43 (diff) | |
| download | musl-d79ac8c38f3992b4547d155f5c8e612f51d9b32e.tar.gz musl-d79ac8c38f3992b4547d155f5c8e612f51d9b32e.tar.xz musl-d79ac8c38f3992b4547d155f5c8e612f51d9b32e.zip | |
math: remove x86 modf asm
the int part was wrong when -1 < x <= -0 (+0.0 instead of -0.0) and the size and performace gain of the asm version was negligible
Diffstat (limited to 'src/math')
| -rw-r--r-- | src/math/i386/modf.s | 28 | ||||
| -rw-r--r-- | src/math/i386/modff.s | 28 | ||||
| -rw-r--r-- | src/math/i386/modfl.s | 28 | ||||
| -rw-r--r-- | src/math/x86_64/modfl.s | 27 |
4 files changed, 0 insertions, 111 deletions
diff --git a/src/math/i386/modf.s b/src/math/i386/modf.s deleted file mode 100644 index 8e3ea50d..00000000 --- a/src/math/i386/modf.s +++ /dev/null @@ -1,28 +0,0 @@ -.global modf -.type modf,@function -modf: - mov 12(%esp),%ecx - fldl 4(%esp) - fxam - fnstsw %ax - sahf - 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 deleted file mode 100644 index 35a08ca9..00000000 --- a/src/math/i386/modff.s +++ /dev/null @@ -1,28 +0,0 @@ -.global modff -.type modff,@function -modff: - mov 8(%esp),%ecx - flds 4(%esp) - fxam - fnstsw %ax - sahf - 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 deleted file mode 100644 index d650debb..00000000 --- a/src/math/i386/modfl.s +++ /dev/null @@ -1,28 +0,0 @@ -.global modfl -.type modfl,@function -modfl: - mov 16(%esp),%ecx - fldt 4(%esp) - fxam - fnstsw %ax - sahf - 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 diff --git a/src/math/x86_64/modfl.s b/src/math/x86_64/modfl.s deleted file mode 100644 index cd2ec46e..00000000 --- a/src/math/x86_64/modfl.s +++ /dev/null @@ -1,27 +0,0 @@ -.global modfl -.type modfl,@function -modfl: - fldt 8(%rsp) - fxam - fnstsw %ax - sahf - 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 (%rdi) - ret - -2: fstpt (%rdi) - mov 6(%rdi),%eax - and $0x80000000,%eax - mov %eax,8(%rsp) - flds 8(%rsp) - ret |