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.global sqrt
.type sqrt,@function
sqrt: fldl 4(%esp)
fsqrt
fstsw %ax
sub $12,%esp
fld %st(0)
fstpt (%esp)
mov (%esp),%ecx
and $0x7ff,%ecx
cmp $0x400,%ecx
jnz 1f
and $0x200,%eax
sub $0x100,%eax
sub %eax,(%esp)
fstp %st(0)
fldt (%esp)
1: add $12,%esp
fstpl 4(%esp)
fldl 4(%esp)
ret
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