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