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minor 387 fenv optimizations

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This commit is contained in:
Rich Felker 2012-03-17 17:49:10 -04:00
commit d5e576c752
1 changed files with 5 additions and 6 deletions
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11
src/fenv/i386/fenv.s
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@ -31,22 +31,21 @@ feraiseexcept:
.type fesetround,@function .type fesetround,@function
fesetround: fesetround:
mov 4(%esp),%ecx mov 4(%esp),%ecx
push %eax
xor %eax,%eax xor %eax,%eax
sub $4,%esp
fnstcw (%esp) fnstcw (%esp)
andb $0xf3,1(%esp) andb $0xf3,1(%esp)
or %cx,(%esp) or %ch,1(%esp)
fldcw (%esp) fldcw (%esp)
add $4,%esp pop %ecx
ret ret
.global fegetround .global fegetround
.type fegetround,@function .type fegetround,@function
fegetround: fegetround:
sub $4,%esp push %eax
fnstcw (%esp) fnstcw (%esp)
mov (%esp),%ax pop %eax
add $4,%esp
and $0xc00,%eax and $0xc00,%eax
ret ret