rename i386 exp.s to exp_ld.s

this commit is for the sake of reviewable history.

1 files changed, 0 insertions, 146 deletions

diff --git a/src/math/i386/exp.s b/src/math/i386/exp.s
deleted file mode 100644
index df87c497..00000000
--- a/src/math/i386/exp.s
+++ /dev/null
@@ -1,146 +0,0 @@
-.global expm1f
-.type expm1f,@function
-expm1f:
-	flds 4(%esp)
-	mov 4(%esp),%eax
-	add %eax,%eax
-	cmp $0x01000000,%eax
-	jae 1f
-		# subnormal x, return x with underflow
-	fld %st(0)
-	fmul %st(1)
-	fstps 4(%esp)
-	ret
-
-.global expm1l
-.type expm1l,@function
-expm1l:
-	fldt 4(%esp)
-	jmp 1f
-
-.global expm1
-.type expm1,@function
-expm1:
-	fldl 4(%esp)
-	mov 8(%esp),%eax
-	add %eax,%eax
-	cmp $0x00200000,%eax
-	jae 1f
-		# subnormal x, return x with underflow
-	fsts 4(%esp)
-	ret
-1:	fldl2e
-	fmulp
-	mov $0xc2820000,%eax
-	push %eax
-	flds (%esp)
-	pop %eax
-	fucomp %st(1)
-	fnstsw %ax
-	sahf
-	fld1
-	jb 1f
-		# x*log2e < -65, return -1 without underflow
-	fstp %st(1)
-	fchs
-	ret
-1:	fld %st(1)
-	fabs
-	fucom %st(1)
-	fnstsw %ax
-	fstp %st(0)
-	fstp %st(0)
-	sahf
-	ja 1f
-	f2xm1
-	ret
-1:	call 1f
-	fld1
-	fsubrp
-	ret
-
-.global exp2f
-.type exp2f,@function
-exp2f:
-	flds 4(%esp)
-	jmp 1f
-
-.global exp2l
-.global __exp2l
-.hidden __exp2l
-.type exp2l,@function
-exp2l:
-__exp2l:
-	fldt 4(%esp)
-	jmp 1f
-
-.global expf
-.type expf,@function
-expf:
-	flds 4(%esp)
-	jmp 2f
-
-.global exp
-.type exp,@function
-exp:
-	fldl 4(%esp)
-2:	fldl2e
-	fmulp
-	jmp 1f
-
-.global exp2
-.type exp2,@function
-exp2:
-	fldl 4(%esp)
-1:	sub $12,%esp
-	fld %st(0)
-	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 (%esp)
-	cmpl $0xc67ff800,(%esp)
-	jb 2f             # x > -16382
-	movl $0x5f000000,(%esp)
-	flds (%esp)       # 0x1p63
-	fld %st(1)
-	fsub %st(1)
-	faddp
-	fucomp %st(1)
-	fnstsw
-	sahf
-	je 2f             # x - 0x1p63 + 0x1p63 == x
-	movl $1,(%esp)
-	flds (%esp)       # 0x1p-149
-	fdiv %st(1)
-	fstps (%esp)      # raise underflow
-2:	fld1
-	fld %st(1)
-	frndint
-	fxch %st(2)
-	fsub %st(2)       # st(0)=x-rint(x), st(1)=1, st(2)=rint(x)
-	f2xm1
-	faddp             # 2^(x-rint(x))
-1:	fscale
-	fstp %st(1)
-	add $12,%esp
-	ret
-3:	xor %eax,%eax
-4:	cmp $0x3fff-64,%ax
-	fld1
-	jb 1b             # |x| < 0x1p-64
-	fstpt (%esp)
-	fistl 8(%esp)
-	fildl 8(%esp)
-	fsubrp %st(1)
-	addl $0x3fff,8(%esp)
-	f2xm1
-	fld1
-	faddp             # 2^(x-rint(x))
-	fldt (%esp)       # 2^rint(x)
-	fmulp
-	add $12,%esp
-	ret