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Diffstat (limited to 'sysdeps/x86_64/fpu/e_powl.S')
-rw-r--r--sysdeps/x86_64/fpu/e_powl.S19
1 files changed, 8 insertions, 11 deletions
diff --git a/sysdeps/x86_64/fpu/e_powl.S b/sysdeps/x86_64/fpu/e_powl.S
index 4959bea7ac..85f4deb3c7 100644
--- a/sysdeps/x86_64/fpu/e_powl.S
+++ b/sysdeps/x86_64/fpu/e_powl.S
@@ -1,6 +1,5 @@
/* ix87 specific implementation of pow function.
- Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -147,11 +146,10 @@ ENTRY(__ieee754_powl)
2: /* y is a real number. */
fxch // x : y
fldl MO(one) // 1.0 : x : y
- fldl MO(limit) // 0.29 : 1.0 : x : y
- fld %st(2) // x : 0.29 : 1.0 : x : y
- fsub %st(2) // x-1 : 0.29 : 1.0 : x : y
- fabs // |x-1| : 0.29 : 1.0 : x : y
- fucompp // 1.0 : x : y
+ fld %st(1) // x : 1.0 : x : y
+ fsub %st(1) // x-1 : 1.0 : x : y
+ fabs // |x-1| : 1.0 : x : y
+ fcompl MO(limit) // 1.0 : x : y
fnstsw
fxch // x : 1.0 : y
test $4500,%eax
@@ -192,10 +190,9 @@ ENTRY(__ieee754_powl)
// y == ħinf
.align ALIGNARG(4)
12: fstp %st(0) // pop y
- fldl MO(one) // 1
- fldt 8(%rsp) // x : 1
- fabs // abs(x) : 1
- fucompp // < 1, == 1, or > 1
+ fldt 8(%rsp) // x
+ fabs
+ fcompl MO(one) // < 1, == 1, or > 1
fnstsw
andb $0x45, %ah
cmpb $0x45, %ah