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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
| commit | 0ac5ae2335292908f39031b1ea9fe8edce433c0f (patch) | |
| tree | f9d26c8abc0de39d18d4c13e70f6022cdc6b461f /sysdeps/i386/fpu/e_pow.S | |
| parent | a843a204a3e8a0dd53584dad3668771abaec84ac (diff) | |
| download | glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.xz glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.zip | |
Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
Diffstat (limited to 'sysdeps/i386/fpu/e_pow.S')
| -rw-r--r-- | sysdeps/i386/fpu/e_pow.S | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/sysdeps/i386/fpu/e_pow.S b/sysdeps/i386/fpu/e_pow.S index 792f926902..dccc677520 100644 --- a/sysdeps/i386/fpu/e_pow.S +++ b/sysdeps/i386/fpu/e_pow.S @@ -1,5 +1,5 @@ /* ix87 specific implementation of pow function. - Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007 + Copyright (C) 1996, 1997, 1998, 1999, 2001, 2004, 2005, 2007, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -22,12 +22,27 @@ #include <machine/asm.h> #ifdef __ELF__ - .section .rodata + .section .rodata.cst8,"aM",@progbits,8 #else .text #endif + .p2align 3 + ASM_TYPE_DIRECTIVE(one,@object) +one: .double 1.0 + ASM_SIZE_DIRECTIVE(one) + ASM_TYPE_DIRECTIVE(limit,@object) +limit: .double 0.29 + ASM_SIZE_DIRECTIVE(limit) + ASM_TYPE_DIRECTIVE(p63,@object) +p63: .byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43 + ASM_SIZE_DIRECTIVE(p63) - .align ALIGNARG(4) +#ifdef __ELF__ + .section .rodata.cst16,"aM",@progbits,16 +#else + .text +#endif + .p2align 3 ASM_TYPE_DIRECTIVE(infinity,@object) inf_zero: infinity: @@ -43,22 +58,13 @@ minfinity: mzero: .byte 0, 0, 0, 0, 0, 0, 0, 0x80 ASM_SIZE_DIRECTIVE(minf_mzero) - ASM_TYPE_DIRECTIVE(one,@object) -one: .double 1.0 - ASM_SIZE_DIRECTIVE(one) - ASM_TYPE_DIRECTIVE(limit,@object) -limit: .double 0.29 - ASM_SIZE_DIRECTIVE(limit) - ASM_TYPE_DIRECTIVE(p63,@object) -p63: .byte 0, 0, 0, 0, 0, 0, 0xe0, 0x43 - ASM_SIZE_DIRECTIVE(p63) #ifdef PIC -#define MO(op) op##@GOTOFF(%ecx) -#define MOX(op,x,f) op##@GOTOFF(%ecx,x,f) +# define MO(op) op##@GOTOFF(%ecx) +# define MOX(op,x,f) op##@GOTOFF(%ecx,x,f) #else -#define MO(op) op -#define MOX(op,x,f) op(,x,f) +# define MO(op) op +# define MOX(op,x,f) op(,x,f) #endif .text @@ -360,3 +366,4 @@ ENTRY(__ieee754_pow) ret END(__ieee754_pow) +strong_alias (__ieee754_pow, __pow_finite) |