.global expm1l
.type expm1l,@function
expm1l:
- fldt 8(%rsp)
+ fldt 8(%esp)
fldl2e
fmulp
- movl $0xc2820000,-4(%rsp)
- flds -4(%rsp)
+ movl $0xc2820000,-4(%esp)
+ flds -4(%esp)
fucomp %st(1)
fnstsw %ax
sahf
.global exp2l
.type exp2l,@function
exp2l:
- fldt 8(%rsp)
+ fldt 8(%esp)
1: fld %st(0)
- sub $16,%rsp
- fstpt (%rsp)
- mov 8(%rsp),%ax
+ sub $16,%esp
+ fstpt (%esp)
+ mov 8(%esp),%ax
and $0x7fff,%ax
cmp $0x3fff+13,%ax
jb 4f # |x| < 8192
cmp $0x3fff+15,%ax
jae 3f # |x| >= 32768
- fsts (%rsp)
- cmpl $0xc67ff800,(%rsp)
+ fsts (%esp)
+ cmpl $0xc67ff800,(%esp)
jb 2f # x > -16382
- movl $0x5f000000,(%rsp)
- flds (%rsp) # 0x1p63
+ movl $0x5f000000,(%esp)
+ flds (%esp) # 0x1p63
fld %st(1)
fsub %st(1)
faddp
fnstsw
sahf
je 2f # x - 0x1p63 + 0x1p63 == x
- movl $1,(%rsp)
- flds (%rsp) # 0x1p-149
+ movl $1,(%esp)
+ flds (%esp) # 0x1p-149
fdiv %st(1)
- fstps (%rsp) # raise underflow
+ fstps (%esp) # raise underflow
2: fld1
fld %st(1)
frndint
faddp # 2^(x-rint(x))
1: fscale
fstp %st(1)
- add $16,%rsp
+ add $16,%esp
ret
3: xor %eax,%eax
4: cmp $0x3fff-64,%ax
fld1
jb 1b # |x| < 0x1p-64
- fstpt (%rsp)
- fistl 8(%rsp)
- fildl 8(%rsp)
+ fstpt (%esp)
+ fistl 8(%esp)
+ fildl 8(%esp)
fsubrp %st(1)
- addl $0x3fff,8(%rsp)
+ addl $0x3fff,8(%esp)
f2xm1
fld1
faddp # 2^(x-rint(x))
- fldt (%rsp) # 2^rint(x)
+ fldt (%esp) # 2^rint(x)
fmulp
- add $16,%rsp
+ add $16,%esp
ret