diff options
Diffstat (limited to 'src/math/i386/s_trunc.s')
| -rw-r--r-- | src/math/i386/s_trunc.s | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/math/i386/s_trunc.s b/src/math/i386/s_trunc.s new file mode 100644 index 00000000..0773891a --- /dev/null +++ b/src/math/i386/s_trunc.s @@ -0,0 +1,36 @@ +.global ceilf +ceilf: flds 4(%esp) + jmp 1f + +.global ceil +ceil: fldl 4(%esp) +1: mov $0x08fb,%edx + jmp 0f + +.global floorf +floorf: flds 4(%esp) + jmp 1f + +.global floor +floor: fldl 4(%esp) +1: mov $0x04f7,%edx + jmp 0f + +.global truncf +truncf: flds 4(%esp) + jmp 1f + +.global trunc +trunc: fldl 4(%esp) +1: mov $0x0cff,%edx + +0: fstcw 4(%esp) + mov 5(%esp),%ah + or %dh,%ah + and %dl,%ah + xchg %ah,5(%esp) + fldcw 4(%esp) + frndint + mov %ah,5(%esp) + fldcw 4(%esp) + ret |