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2: not %ecx
sub $32,%esp
fnstenv (%esp)
and %ecx,4(%esp)
or %edx,4(%esp)
fldenv (%esp)
add $32,%esp
ret
.global feclearexcept
feclearexcept:
xor %eax,%eax
mov 4(%esp),%ecx
xor %edx,%edx
test %ecx,%ecx
jnz 2b
ret
.global feraiseexcept
feraiseexcept:
xor %eax,%eax
mov 4(%esp),%edx
xor %ecx,%ecx
test %edx,%edx
jnz 2b
ret
.global fesetround
fesetround:
xor %eax,%eax
mov $0xc00,%ecx
mov 4(%esp),%edx
jmp 2b
.global fegetround
fegetround:
sub $28,%esp
fnstenv (%esp)
mov 4(%esp),%eax
add $28,%esp
and $0xc,%ah
ret
.global fegetenv
fegetenv:
mov 4(%esp),%ecx
xor %eax,%eax
fnstenv (%ecx)
ret
.global fesetenv
fesetenv:
mov 4(%esp),%ecx
xor %eax,%eax
test %ecx,%ecx
jz 1f
fldenv (%ecx)
ret
1: push %eax
push %eax
push %eax
push %eax
push %eax
push %eax
pushl $0x37f
fldenv (%esp)
add $28,%esp
ret
.global fetestexcept
fetestexcept:
mov 4(%esp),%ecx
fnstsw %ax
and %ecx,%eax
ret
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