diff options
Diffstat (limited to 'src/math/i386/modf.s')
| -rw-r--r-- | src/math/i386/modf.s | 31 |
1 files changed, 22 insertions, 9 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 |