annotate src/cpuinfo/SDL_cpuinfo.c @ 4347:38f22ed3a433 SDL-1.2

Option to fix bug #851 For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 17 Oct 2009 06:55:17 +0000
parents 0319c84d274d
children ca91f36ef3de
rev   line source
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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1 /*
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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2 SDL - Simple DirectMedia Layer
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a1b03ba2fcd0 Updated copyright date
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3 Copyright (C) 1997-2009 Sam Lantinga
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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4
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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5 This library is free software; you can redistribute it and/or
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c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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6 modify it under the terms of the GNU Lesser General Public
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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7 License as published by the Free Software Foundation; either
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c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents: 1229
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8 version 2.1 of the License, or (at your option) any later version.
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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9
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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10 This library is distributed in the hope that it will be useful,
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents: 1229
diff changeset
13 Lesser General Public License for more details.
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents: 1229
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15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
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16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents: 1229
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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19 Sam Lantinga
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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20 slouken@libsdl.org
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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21 */
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22 #include "SDL_config.h"
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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23
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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24 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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25
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26 #include "SDL.h"
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27 #include "SDL_cpuinfo.h"
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28
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96d8c3fec479 Don't detect Altivec on MacOS X Intel
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29 #if defined(__MACOSX__) && defined(__ppc__)
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30 #include <sys/sysctl.h> /* For AltiVec check */
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31 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
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32 #include <signal.h>
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33 #include <setjmp.h>
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34 #endif
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35
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71ee03909f42 Greatly simplified the SDL CPU info code
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36 #define CPU_HAS_RDTSC 0x00000001
71ee03909f42 Greatly simplified the SDL CPU info code
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37 #define CPU_HAS_MMX 0x00000002
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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38 #define CPU_HAS_MMXEXT 0x00000004
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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39 #define CPU_HAS_3DNOW 0x00000010
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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40 #define CPU_HAS_3DNOWEXT 0x00000020
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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41 #define CPU_HAS_SSE 0x00000040
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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42 #define CPU_HAS_SSE2 0x00000080
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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43 #define CPU_HAS_ALTIVEC 0x00000100
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71ee03909f42 Greatly simplified the SDL CPU info code
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44
1487
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45 #if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
793
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46 /* This is the brute force way of detecting instruction sets...
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47 the idea is borrowed from the libmpeg2 library - thanks!
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48 */
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49 static jmp_buf jmpbuf;
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50 static void illegal_instruction(int sig)
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51 {
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52 longjmp(jmpbuf, 1);
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53 }
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54 #endif /* HAVE_SETJMP */
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55
1426
ef9a9064bff2 *** empty log message ***
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56 static __inline__ int CPU_haveCPUID(void)
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71ee03909f42 Greatly simplified the SDL CPU info code
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57 {
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58 int has_CPUID = 0;
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59 #if defined(__GNUC__) && defined(i386)
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60 __asm__ (
71ee03909f42 Greatly simplified the SDL CPU info code
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61 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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62 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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63 " movl %%eax,%%ecx \n"
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64 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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65 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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66 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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67 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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68 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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69 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
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70 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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71 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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72 "1: \n"
784
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73 : "=m" (has_CPUID)
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74 :
71ee03909f42 Greatly simplified the SDL CPU info code
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75 : "%eax", "%ecx"
71ee03909f42 Greatly simplified the SDL CPU info code
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76 );
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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77 #elif defined(__GNUC__) && defined(__x86_64__)
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78 /* Technically, if this is being compiled under __x86_64__ then it has
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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79 CPUid by definition. But it's nice to be able to prove it. :) */
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80 __asm__ (
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81 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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82 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
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83 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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84 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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85 " pushq %%rax # Save new EFLAGS value on stack \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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86 " popfq # Replace current EFLAGS value \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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87 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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88 " popq %%rax # Store new EFLAGS in EAX \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
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89 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
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90 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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91 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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92 "1: \n"
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93 : "=m" (has_CPUID)
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94 :
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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95 : "%rax", "%rcx"
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96 );
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97 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
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98 __asm {
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99 pushfd ; Get original EFLAGS
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100 pop eax
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101 mov ecx, eax
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102 xor eax, 200000h ; Flip ID bit in EFLAGS
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103 push eax ; Save new EFLAGS value on stack
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104 popfd ; Replace current EFLAGS value
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105 pushfd ; Get new EFLAGS
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106 pop eax ; Store new EFLAGS in EAX
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107 xor eax, ecx ; Can not toggle ID bit,
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108 jz done ; Processor=80486
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109 mov has_CPUID,1 ; We have CPUID support
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110 done:
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111 }
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7bea26ad3130 I think this fixes bug #244
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112 #elif defined(__sun) && defined(__i386)
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113 __asm (
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114 " pushfl \n"
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115 " popl %eax \n"
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116 " movl %eax,%ecx \n"
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117 " xorl $0x200000,%eax \n"
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118 " pushl %eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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119 " popfl \n"
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120 " pushfl \n"
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121 " popl %eax \n"
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122 " xorl %ecx,%eax \n"
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123 " jz 1f \n"
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124 " movl $1,-8(%ebp) \n"
1229
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125 "1: \n"
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126 );
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127 #elif defined(__sun) && defined(__amd64)
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128 __asm (
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
129 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
130 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
131 " movq %rax,%rcx \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
132 " xorl $0x200000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
133 " pushq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
134 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
135 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
136 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
137 " xorl %ecx,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
138 " jz 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
139 " movl $1,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
140 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
141 );
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
142 #endif
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
143 return has_CPUID;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
144 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
146 static __inline__ int CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
147 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
148 int features = 0;
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
149 #if defined(__GNUC__) && defined(i386)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
150 __asm__ (
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
151 " movl %%ebx,%%edi\n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
152 " xorl %%eax,%%eax # Set up for CPUID instruction \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
153 " cpuid # Get and save vendor ID \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
154 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
155 " jl 1f # We dont have the CPUID instruction\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
156 " xorl %%eax,%%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
157 " incl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
158 " cpuid # Get family/model/stepping/features\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
159 " movl %%edx,%0 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
160 "1: \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
161 " movl %%edi,%%ebx\n"
784
a2dde6aff60e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 778
diff changeset
162 : "=m" (features)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
163 :
4245
0319c84d274d Fixed 32-bit build
Sam Lantinga <slouken@libsdl.org>
parents: 4242
diff changeset
164 : "%eax", "%ecx", "%edx", "%edi"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
165 );
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
166 #elif defined(__GNUC__) && defined(__x86_64__)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
167 __asm__ (
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
168 " movq %%rbx,%%rdi\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
169 " xorl %%eax,%%eax # Set up for CPUID instruction \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
170 " cpuid # Get and save vendor ID \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
171 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
172 " jl 1f # We dont have the CPUID instruction\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
173 " xorl %%eax,%%eax \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
174 " incl %%eax \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
175 " cpuid # Get family/model/stepping/features\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
176 " movl %%edx,%0 \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
177 "1: \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
178 " movq %%rdi,%%rbx\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
179 : "=m" (features)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
180 :
4242
fa62bede8038 Fixed bug #734
Sam Lantinga <slouken@libsdl.org>
parents: 4180
diff changeset
181 : "%rax", "%rbx", "%rcx", "%rdx", "%rdi"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
182 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
183 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
749
06cdd106d61c Updated Visual C++ support
Sam Lantinga <slouken@libsdl.org>
parents: 747
diff changeset
184 __asm {
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
185 xor eax, eax ; Set up for CPUID instruction
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
186 cpuid ; Get and save vendor ID
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
187 cmp eax, 1 ; Make sure 1 is valid input for CPUID
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
188 jl done ; We dont have the CPUID instruction
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
189 xor eax, eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
190 inc eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
191 cpuid ; Get family/model/stepping/features
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
192 mov features, edx
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
193 done:
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
194 }
1864
7bea26ad3130 I think this fixes bug #244
Sam Lantinga <slouken@libsdl.org>
parents: 1590
diff changeset
195 #elif defined(__sun) && (defined(__i386) || defined(__amd64))
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
196 __asm(
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
197 " movl %ebx,%edi\n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
198 " xorl %eax,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
199 " cpuid \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
200 " cmpl $1,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
201 " jl 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
202 " xorl %eax,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
203 " incl %eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
204 " cpuid \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
205 #ifdef __i386
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
206 " movl %edx,-8(%ebp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
207 #else
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
208 " movl %edx,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
209 #endif
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
210 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
211 " movl %edi,%ebx\n" );
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
212 #endif
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
213 return features;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
214 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
215
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
216 static __inline__ int CPU_getCPUIDFeaturesExt(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
217 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
218 int features = 0;
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
219 #if defined(__GNUC__) && defined(i386)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
220 __asm__ (
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
221 " movl %%ebx,%%edi\n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
222 " movl $0x80000000,%%eax # Query for extended functions \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
223 " cpuid # Get extended function limit \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
224 " cmpl $0x80000001,%%eax \n"
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
225 " jl 1f # Nope, we dont have function 800000001h\n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
226 " movl $0x80000001,%%eax # Setup extended function 800000001h\n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
227 " cpuid # and get the information \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
228 " movl %%edx,%0 \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
229 "1: \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
230 " movl %%edi,%%ebx\n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
231 : "=m" (features)
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
232 :
4245
0319c84d274d Fixed 32-bit build
Sam Lantinga <slouken@libsdl.org>
parents: 4242
diff changeset
233 : "%eax", "%ecx", "%edx", "%edi"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
234 );
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
235 #elif defined(__GNUC__) && defined (__x86_64__)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
236 __asm__ (
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
237 " movq %%rbx,%%rdi\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
238 " movl $0x80000000,%%eax # Query for extended functions \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
239 " cpuid # Get extended function limit \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
240 " cmpl $0x80000001,%%eax \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
241 " jl 1f # Nope, we dont have function 800000001h\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
242 " movl $0x80000001,%%eax # Setup extended function 800000001h\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
243 " cpuid # and get the information \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
244 " movl %%edx,%0 \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
245 "1: \n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
246 " movq %%rdi,%%rbx\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
247 : "=m" (features)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
248 :
4242
fa62bede8038 Fixed bug #734
Sam Lantinga <slouken@libsdl.org>
parents: 4180
diff changeset
249 : "%rax", "%rbx", "%rcx", "%rdx", "%rdi"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
250 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
251 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
252 __asm {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
253 mov eax,80000000h ; Query for extended functions
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
254 cpuid ; Get extended function limit
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
255 cmp eax,80000001h
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
256 jl done ; Nope, we dont have function 800000001h
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
257 mov eax,80000001h ; Setup extended function 800000001h
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
258 cpuid ; and get the information
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
259 mov features,edx
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
260 done:
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
261 }
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
262 #elif defined(__sun) && ( defined(__i386) || defined(__amd64) )
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
263 __asm (
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
264 " movl %ebx,%edi\n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
265 " movl $0x80000000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
266 " cpuid \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
267 " cmpl $0x80000001,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
268 " jl 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
269 " movl $0x80000001,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
270 " cpuid \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
271 #ifdef __i386
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
272 " movl %edx,-8(%ebp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
273 #else
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
274 " movl %edx,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
275 #endif
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
276 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
277 " movl %edi,%ebx\n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
278 );
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
279 #endif
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
280 return features;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
281 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
282
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
283 static __inline__ int CPU_haveRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
284 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
285 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
286 return (CPU_getCPUIDFeatures() & 0x00000010);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
287 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
288 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
289 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
291 static __inline__ int CPU_haveMMX(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
292 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
293 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
294 return (CPU_getCPUIDFeatures() & 0x00800000);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
295 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
296 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
297 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
298
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
299 static __inline__ int CPU_haveMMXExt(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
300 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
301 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
302 return (CPU_getCPUIDFeaturesExt() & 0x00400000);
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
303 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
304 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
305 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
306
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
307 static __inline__ int CPU_have3DNow(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
308 {
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
309 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
310 return (CPU_getCPUIDFeaturesExt() & 0x80000000);
747
da36f59485da Check for CPUID before checking for 3DNow!
Sam Lantinga <slouken@libsdl.org>
parents: 745
diff changeset
311 }
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
312 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
313 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
314
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
315 static __inline__ int CPU_have3DNowExt(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
316 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
317 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
318 return (CPU_getCPUIDFeaturesExt() & 0x40000000);
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
319 }
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
320 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
321 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
322
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
323 static __inline__ int CPU_haveSSE(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
324 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
325 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
326 return (CPU_getCPUIDFeatures() & 0x02000000);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
327 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
328 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
329 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
331 static __inline__ int CPU_haveSSE2(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
332 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
333 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
334 return (CPU_getCPUIDFeatures() & 0x04000000);
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
335 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
336 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
337 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
338
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
339 static __inline__ int CPU_haveAltiVec(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
340 {
796
dec19b813b04 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 795
diff changeset
341 volatile int altivec = 0;
1590
96d8c3fec479 Don't detect Altivec on MacOS X Intel
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
342 #if defined(__MACOSX__) && defined(__ppc__)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
343 int selectors[2] = { CTL_HW, HW_VECTORUNIT };
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
344 int hasVectorUnit = 0;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
345 size_t length = sizeof(hasVectorUnit);
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
346 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
347 if( 0 == error )
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
348 altivec = (hasVectorUnit != 0);
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
349 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
350 void (*handler)(int sig);
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
351 handler = signal(SIGILL, illegal_instruction);
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
352 if ( setjmp(jmpbuf) == 0 ) {
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
353 asm volatile ("mtspr 256, %0\n\t"
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
354 "vand %%v0, %%v0, %%v0"
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
355 :
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
356 : "r" (-1));
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
357 altivec = 1;
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
358 }
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
359 signal(SIGILL, handler);
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
360 #endif
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
361 return altivec;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
362 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
363
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
366 static Uint32 SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 if ( SDL_CPUFeatures == 0xFFFFFFFF ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 SDL_CPUFeatures = 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
370 if ( CPU_haveRDTSC() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
371 SDL_CPUFeatures |= CPU_HAS_RDTSC;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
372 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 if ( CPU_haveMMX() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 SDL_CPUFeatures |= CPU_HAS_MMX;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
376 if ( CPU_haveMMXExt() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
377 SDL_CPUFeatures |= CPU_HAS_MMXEXT;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
378 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 if ( CPU_have3DNow() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 SDL_CPUFeatures |= CPU_HAS_3DNOW;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
382 if ( CPU_have3DNowExt() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
383 SDL_CPUFeatures |= CPU_HAS_3DNOWEXT;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
384 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 if ( CPU_haveSSE() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 SDL_CPUFeatures |= CPU_HAS_SSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
388 if ( CPU_haveSSE2() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
389 SDL_CPUFeatures |= CPU_HAS_SSE2;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
390 }
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
391 if ( CPU_haveAltiVec() ) {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
392 SDL_CPUFeatures |= CPU_HAS_ALTIVEC;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
393 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 return SDL_CPUFeatures;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397
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parents: 1402
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398 SDL_bool SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
399 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
400 if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
401 return SDL_TRUE;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
402 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
403 return SDL_FALSE;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
404 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
405
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parents: 1402
diff changeset
406 SDL_bool SDL_HasMMX(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 if ( SDL_GetCPUFeatures() & CPU_HAS_MMX ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413
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414 SDL_bool SDL_HasMMXExt(void)
804
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parents: 796
diff changeset
415 {
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parents: 796
diff changeset
416 if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) {
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parents: 796
diff changeset
417 return SDL_TRUE;
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parents: 796
diff changeset
418 }
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419 return SDL_FALSE;
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diff changeset
420 }
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diff changeset
421
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diff changeset
422 SDL_bool SDL_Has3DNow(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
423 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOW ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
425 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
426 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429
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diff changeset
430 SDL_bool SDL_Has3DNowExt(void)
804
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parents: 796
diff changeset
431 {
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parents: 796
diff changeset
432 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) {
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parents: 796
diff changeset
433 return SDL_TRUE;
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parents: 796
diff changeset
434 }
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parents: 796
diff changeset
435 return SDL_FALSE;
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parents: 796
diff changeset
436 }
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Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
437
1426
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parents: 1402
diff changeset
438 SDL_bool SDL_HasSSE(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
439 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
440 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
441 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
442 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445
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parents: 1402
diff changeset
446 SDL_bool SDL_HasSSE2(void)
804
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Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
447 {
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parents: 796
diff changeset
448 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) {
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Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
449 return SDL_TRUE;
b2fda076b02e *** empty log message ***
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parents: 796
diff changeset
450 }
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parents: 796
diff changeset
451 return SDL_FALSE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
452 }
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Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
453
1426
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parents: 1402
diff changeset
454 SDL_bool SDL_HasAltiVec(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
455 {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
456 if ( SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC ) {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
457 return SDL_TRUE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
458 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
459 return SDL_FALSE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
460 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
461
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
466 int main()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
467 {
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
468 printf("RDTSC: %d\n", SDL_HasRDTSC());
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
469 printf("MMX: %d\n", SDL_HasMMX());
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
470 printf("MMXExt: %d\n", SDL_HasMMXExt());
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
471 printf("3DNow: %d\n", SDL_Has3DNow());
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
472 printf("3DNowExt: %d\n", SDL_Has3DNowExt());
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
473 printf("SSE: %d\n", SDL_HasSSE());
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
474 printf("SSE2: %d\n", SDL_HasSSE2());
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
475 printf("AltiVec: %d\n", SDL_HasAltiVec());
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
476 return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
477 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
478
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
479 #endif /* TEST_MAIN */