Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/i386/cpuid.h @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
1 /* 1 /*
2 * Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc. 2 * Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3 * 3 *
4 * This file is free software; you can redistribute it and/or modify it 4 * This file is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the 5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 3, or (at your option) any 6 * Free Software Foundation; either version 3, or (at your option) any
7 * later version. 7 * later version.
115 __get_cpuid_max (unsigned int __ext, unsigned int *__sig) 115 __get_cpuid_max (unsigned int __ext, unsigned int *__sig)
116 { 116 {
117 unsigned int __eax, __ebx, __ecx, __edx; 117 unsigned int __eax, __ebx, __ecx, __edx;
118 118
119 #ifndef __x86_64__ 119 #ifndef __x86_64__
120 /* See if we can use cpuid. On AMD64 we always can. */
120 #if __GNUC__ >= 3 121 #if __GNUC__ >= 3
121 /* See if we can use cpuid. On AMD64 we always can. */
122 __asm__ ("pushf{l|d}\n\t" 122 __asm__ ("pushf{l|d}\n\t"
123 "pushf{l|d}\n\t" 123 "pushf{l|d}\n\t"
124 "pop{l}\t%0\n\t" 124 "pop{l}\t%0\n\t"
125 "mov{l}\t{%0, %1|%1, %0}\n\t" 125 "mov{l}\t{%0, %1|%1, %0}\n\t"
126 "xor{l}\t{%2, %0|%0, %2}\n\t" 126 "xor{l}\t{%2, %0|%0, %2}\n\t"