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.global expm1l
.type expm1l,@function
expm1l:
fldt 8(%rsp)
1: fldl2e
fmulp
fld1
fld %st(1)
fabs
fucom %st(1)
fnstsw %ax
fstp %st(0)
fstp %st(0)
sahf
ja 1f
f2xm1
ret
1: push %rax
call 1f
pop %rax
fld1
fsubrp
ret
.global expl
.type expl,@function
expl:
fldt 8(%rsp)
fldl2e
fmulp
jmp 1f
.global exp2l
.type exp2l,@function
exp2l:
fldt 8(%rsp)
1: mov $0x467ff000,%eax
mov %eax,-16(%rsp)
mov $0x80000000,%eax
mov %eax,-20(%rsp)
xor %eax,%eax
mov %eax,-24(%rsp)
flds -16(%rsp)
fld %st(1)
fabs
fucom %st(1)
fnstsw
fstp %st(0)
fstp %st(0)
sahf
ja 2f
fld %st(0)
fistpl -16(%rsp)
fildl -16(%rsp)
fxch %st(1)
fsub %st(1)
mov $0x3fff,%eax
add %eax,-16(%rsp)
f2xm1
fld1
faddp
fldt -24(%rsp)
fmulp
fstp %st(1)
ret
2: fld %st(0)
fstpt -24(%rsp)
mov -15(%rsp),%ah
and $0x7f,%ah
cmp $0x7f,%ah
jne 1f
decb -15(%rsp)
fstp %st(0)
fldt -24(%rsp)
1: fld %st(0)
frndint
fxch %st(1)
fsub %st(1)
f2xm1
fld1
faddp
fscale
fstp %st(1)
ret
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