annotate src/cpuinfo/SDL_cpuinfo.c @ 5268:e1122f31fec5

Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Feb 2011 23:02:35 -0800
parents b530ef003506
children
rev   line source
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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2 SDL - Simple DirectMedia Layer
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b530ef003506 Happy 2011! :)
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3 Copyright (C) 1997-2011 Sam Lantinga
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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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
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
6 modify it under the terms of the GNU Lesser General Public
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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9
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
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
Sam Lantinga <slouken@libsdl.org>
parents:
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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
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
13 Lesser General Public License for more details.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
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
diff changeset
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)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
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
Sam Lantinga <slouken@libsdl.org>
parents:
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18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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19 Sam Lantinga
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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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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d910939febfa Use consistent identifiers for the various platforms we support.
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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
Sam Lantinga <slouken@libsdl.org>
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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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19418e4422cb New configure-based build system. Still work in progress, but much improved
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26 #include "SDL_cpuinfo.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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27
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b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
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28 #ifdef HAVE_SYSCONF
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
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29 #include <unistd.h>
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
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30 #endif
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3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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31 #ifdef HAVE_SYSCTLBYNAME
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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32 #include <sys/types.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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33 #include <sys/sysctl.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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34 #endif
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c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
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35 #ifdef __WIN32__
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327f181542f1 Include windows.h in a single point in the source, so we can be consistent about the definition of UNICODE and have core utility functions for Windows that all modules can share.
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36 #include "../core/windows/SDL_windows.h"
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951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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37 #endif
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c20f08c4f437 Altivec detection on non-MacOS X systems
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38
3579
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39 #define CPU_HAS_RDTSC 0x00000001
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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40 #define CPU_HAS_MMX 0x00000002
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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41 #define CPU_HAS_SSE 0x00000010
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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42 #define CPU_HAS_SSE2 0x00000020
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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43 #define CPU_HAS_SSE3 0x00000040
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
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44 #define CPU_HAS_SSE41 0x00000080
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
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45 #define CPU_HAS_SSE42 0x00000100
745
71ee03909f42 Greatly simplified the SDL CPU info code
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46
793
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47
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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48 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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49 CPU_haveCPUID(void)
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71ee03909f42 Greatly simplified the SDL CPU info code
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50 {
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c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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51 int has_CPUID = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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52 /* *INDENT-OFF* */
745
71ee03909f42 Greatly simplified the SDL CPU info code
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53 #if defined(__GNUC__) && defined(i386)
3579
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54 __asm__ (
745
71ee03909f42 Greatly simplified the SDL CPU info code
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55 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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56 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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57 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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58 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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59 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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60 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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61 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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62 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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63 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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64 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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65 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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66 "1: \n"
3579
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67 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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68 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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69 : "%eax", "%ecx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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70 );
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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parents: 804
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71 #elif defined(__GNUC__) && defined(__x86_64__)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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72 /* 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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73 CPUid by definition. But it's nice to be able to prove it. :) */
3579
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74 __asm__ (
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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parents: 804
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75 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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76 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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77 " 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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78 " 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
diff changeset
79 " 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
diff changeset
80 " popfq # Replace current EFLAGS value \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
81 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
82 " popq %%rax # Store new EFLAGS in EAX \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
83 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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84 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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85 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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86 "1: \n"
3579
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87 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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88 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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89 : "%rax", "%rcx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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90 );
1442
e3242177fe4a Updated OS/2 build, yay!
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91 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
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92 __asm {
745
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93 pushfd ; Get original EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
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94 pop eax
71ee03909f42 Greatly simplified the SDL CPU info code
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95 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code
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96 xor eax, 200000h ; Flip ID bit in EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
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97 push eax ; Save new EFLAGS value on stack
71ee03909f42 Greatly simplified the SDL CPU info code
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98 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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99 pushfd ; Get new EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
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100 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code
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101 xor eax, ecx ; Can not toggle ID bit,
71ee03909f42 Greatly simplified the SDL CPU info code
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102 jz done ; Processor=80486
71ee03909f42 Greatly simplified the SDL CPU info code
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103 mov has_CPUID,1 ; We have CPUID support
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104 done:
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105 }
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7bea26ad3130 I think this fixes bug #244
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106 #elif defined(__sun) && defined(__i386)
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107 __asm (
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
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108 " pushfl \n"
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41d01d70659c Fixed cpuid assembly to work on PIC code
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109 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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110 " movl %eax,%ecx \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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111 " xorl $0x200000,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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112 " pushl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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113 " popfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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114 " pushfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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115 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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116 " xorl %ecx,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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117 " jz 1f \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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parents: 3580
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118 " movl $1,-8(%ebp) \n"
1229
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
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119 "1: \n"
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120 );
1229
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parents: 1198
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121 #elif defined(__sun) && defined(__amd64)
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122 __asm (
1229
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
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123 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
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124 " 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
125 " 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
126 " xorl $0x200000,%eax \n"
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
127 " 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
128 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
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 " xorl %ecx,%eax \n"
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
132 " jz 1f \n"
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
133 " movl $1,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
134 "1: \n"
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135 );
745
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136 #endif
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diff changeset
137 /* *INDENT-ON* */
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diff changeset
138 return has_CPUID;
745
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diff changeset
139 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
140
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
141 #if defined(__GNUC__) && defined(i386)
3580
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diff changeset
142 #define cpuid(func, a, b, c, d) \
3584
41d01d70659c Fixed cpuid assembly to work on PIC code
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diff changeset
143 __asm__ __volatile__ ( \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
144 " pushl %%ebx \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
145 " cpuid \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
146 " movl %%ebx, %%esi \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
147 " popl %%ebx \n" : \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
148 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3587
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
149 #elif defined(__GNUC__) && defined(__x86_64__)
2080e8d75ac6 Implemented 64-bit version of cpuid code
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parents: 3586
diff changeset
150 #define cpuid(func, a, b, c, d) \
2080e8d75ac6 Implemented 64-bit version of cpuid code
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diff changeset
151 __asm__ __volatile__ ( \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
152 " pushq %%rbx \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
153 " cpuid \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
154 " movq %%rbx, %%rsi \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
155 " popq %%rbx \n" : \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
156 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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diff changeset
157 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
158 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
159 __asm { \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
160 __asm mov eax, func \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
161 __asm cpuid \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
162 __asm mov a, eax \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
163 __asm mov b, ebx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
164 __asm mov c, ecx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
165 __asm mov d, edx \
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diff changeset
166 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
167 #else
3580
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diff changeset
168 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
169 a = b = c = d = 0
3579
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diff changeset
170 #endif
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171
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172 static __inline__ int
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173 CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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174 {
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diff changeset
175 int features = 0;
3580
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diff changeset
176 int a, b, c, d;
3579
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Sam Lantinga <slouken@libsdl.org>
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177
3580
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178 cpuid(0, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
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diff changeset
179 if (a >= 1) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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180 cpuid(1, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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181 features = d;
3579
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Sam Lantinga <slouken@libsdl.org>
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182 }
1895
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183 return features;
745
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184 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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185
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Sam Lantinga <slouken@libsdl.org>
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186 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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187 CPU_haveRDTSC(void)
745
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188 {
1895
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189 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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190 return (CPU_getCPUIDFeatures() & 0x00000010);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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191 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
192 return 0;
745
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193 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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194
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Sam Lantinga <slouken@libsdl.org>
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195 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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196 CPU_haveMMX(void)
745
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Sam Lantinga <slouken@libsdl.org>
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197 {
1895
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198 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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199 return (CPU_getCPUIDFeatures() & 0x00800000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
201 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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202 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
203
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
204 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
205 CPU_haveSSE(void)
745
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diff changeset
206 {
1895
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diff changeset
207 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
208 return (CPU_getCPUIDFeatures() & 0x02000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
209 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
210 return 0;
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
211 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
212
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
213 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
214 CPU_haveSSE2(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
215 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
216 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
217 return (CPU_getCPUIDFeatures() & 0x04000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
218 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
219 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
220 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
221
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
222 static __inline__ int
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
223 CPU_haveSSE3(void)
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
224 {
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
225 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
226 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
227
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
228 cpuid(0, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
229 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
230 cpuid(1, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
231 return (c & 0x00000001);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
232 }
1895
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diff changeset
233 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
234 return 0;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
235 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
236
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
237 static __inline__ int
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
238 CPU_haveSSE41(void)
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
239 {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
240 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
241 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
242
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
243 cpuid(1, a, b, c, d);
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
244 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
245 cpuid(1, a, b, c, d);
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
246 return (c & 0x00080000);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
247 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
248 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
249 return 0;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
250 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
251
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
252 static __inline__ int
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
253 CPU_haveSSE42(void)
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
254 {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
255 if (CPU_haveCPUID()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
256 int a, b, c, d;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
257
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
258 cpuid(1, a, b, c, d);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
259 if (a >= 1) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
260 cpuid(1, a, b, c, d);
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
261 return (c & 0x00100000);
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
262 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
263 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
264 return 0;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
265 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
266
3579
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Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
267 static int SDL_CPUCount = 0;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
268
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
269 int
5122
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Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
270 SDL_GetCPUCount(void)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
271 {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
272 if (!SDL_CPUCount) {
3606
1a4456a01995 Fixed bug #924
Sam Lantinga <slouken@libsdl.org>
parents: 3587
diff changeset
273 #if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
274 if (SDL_CPUCount <= 0) {
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
275 SDL_CPUCount = (int)sysconf(_SC_NPROCESSORS_ONLN);
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
276 }
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
277 #endif
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
278 #ifdef HAVE_SYSCTLBYNAME
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
279 if (SDL_CPUCount <= 0) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
280 size_t size = sizeof(SDL_CPUCount);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
281 sysctlbyname("hw.ncpu", &SDL_CPUCount, &size, NULL, 0);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
282 }
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
283 #endif
5088
c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
Sam Lantinga <slouken@libsdl.org>
parents: 5062
diff changeset
284 #ifdef __WIN32__
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
285 if (SDL_CPUCount <= 0) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
286 SYSTEM_INFO info;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
287 GetSystemInfo(&info);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
288 SDL_CPUCount = info.dwNumberOfProcessors;
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
289 }
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
290 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
291 /* There has to be at least 1, right? :) */
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
parents: 3584
diff changeset
292 if (SDL_CPUCount <= 0) {
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
293 SDL_CPUCount = 1;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
294 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
295 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
296 return SDL_CPUCount;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
297 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
298
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
299 /* Oh, such a sweet sweet trick, just not very useful. :) */
4472
791b3256fb22 Mostly cleaned up warnings with -Wmissing-prototypes
Sam Lantinga <slouken@libsdl.org>
parents: 3697
diff changeset
300 static const char *
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
301 SDL_GetCPUType(void)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
302 {
5117
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Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
303 static char SDL_CPUType[13];
3579
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Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
304
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
305 if (!SDL_CPUType[0]) {
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
306 int i = 0;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
307 int a, b, c, d;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
308
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
309 if (CPU_haveCPUID()) {
5117
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Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
310 cpuid(0x00000000, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
311 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
312 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
313 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
314 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
315 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
316 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
317 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
318 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
319 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
320 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
321 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
322 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
323 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
324 if (!SDL_CPUType[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
325 SDL_strlcpy(SDL_CPUType, "Unknown", sizeof(SDL_CPUType));
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
326 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
327 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
328 return SDL_CPUType;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
329 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
330
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
331 static const char *
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
332 SDL_GetCPUName(void)
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
333 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
334 static char SDL_CPUName[48];
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
335
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
336 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
337 int i = 0;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
338 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
339
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
340 if (CPU_haveCPUID()) {
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
341 cpuid(0x80000000, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
342 if (a >= 0x80000004) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
343 cpuid(0x80000002, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
344 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
345 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
346 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
347 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
348 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
349 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
350 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
351 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
352 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
353 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
354 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
355 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
356 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
357 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
358 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
359 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
360 cpuid(0x80000003, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
361 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
362 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
363 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
364 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
365 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
366 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
367 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
368 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
369 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
370 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
371 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
372 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
373 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
374 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
375 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
376 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
parents: 3579
diff changeset
377 cpuid(0x80000004, a, b, c, d);
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
378 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
379 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
380 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
381 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
382 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
383 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
384 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
385 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
386 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
387 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
388 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
389 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
390 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
391 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
392 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
393 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
394 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
395 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
396 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
397 SDL_strlcpy(SDL_CPUName, "Unknown", sizeof(SDL_CPUName));
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
398 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
399 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
400 return SDL_CPUName;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
401 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
402
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
403 int
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
404 SDL_GetCPUCacheLineSize(void)
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
405 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
406 const char *cpuType = SDL_GetCPUType();
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
407
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
408 if (SDL_strcmp(cpuType, "GenuineIntel") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
409 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
410
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
411 cpuid(0x00000001, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
412 return (((b >> 8) & 0xff) * 8);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
413 } else if (SDL_strcmp(cpuType, "AuthenticAMD") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
414 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
415
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
416 cpuid(0x80000005, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
417 return (c & 0xff);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
418 } else {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
419 /* Just make a guess here... */
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
420 return SDL_CACHELINE_SIZE;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
421 }
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
422 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
423
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
424 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
425
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
426 static Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
427 SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
429 if (SDL_CPUFeatures == 0xFFFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
430 SDL_CPUFeatures = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
431 if (CPU_haveRDTSC()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
432 SDL_CPUFeatures |= CPU_HAS_RDTSC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
433 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
434 if (CPU_haveMMX()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
435 SDL_CPUFeatures |= CPU_HAS_MMX;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
436 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
437 if (CPU_haveSSE()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
438 SDL_CPUFeatures |= CPU_HAS_SSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
439 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
440 if (CPU_haveSSE2()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
441 SDL_CPUFeatures |= CPU_HAS_SSE2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
442 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
443 if (CPU_haveSSE3()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
444 SDL_CPUFeatures |= CPU_HAS_SSE3;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
445 }
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
446 if (CPU_haveSSE41()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
447 SDL_CPUFeatures |= CPU_HAS_SSE41;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
448 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
449 if (CPU_haveSSE42()) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
450 SDL_CPUFeatures |= CPU_HAS_SSE42;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
451 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
452 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
453 return SDL_CPUFeatures;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
454 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
455
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
456 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
457 SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
458 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
459 if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
460 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
461 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
462 return SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
463 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
464
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
465 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
466 SDL_HasMMX(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
467 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
468 if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
469 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
470 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
471 return SDL_FALSE;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
472 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
473
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
474 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
475 SDL_HasSSE(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
476 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
477 if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
478 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
479 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
480 return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
481 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
483 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
484 SDL_HasSSE2(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
485 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
486 if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
487 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
488 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
489 return SDL_FALSE;
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
490 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
491
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
492 SDL_bool
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
493 SDL_HasSSE3(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
494 {
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
495 if (SDL_GetCPUFeatures() & CPU_HAS_SSE3) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
496 return SDL_TRUE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
497 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
498 return SDL_FALSE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
499 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
500
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
501 SDL_bool
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
502 SDL_HasSSE41(void)
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
503 {
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
504 if (SDL_GetCPUFeatures() & CPU_HAS_SSE41) {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
505 return SDL_TRUE;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
506 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
507 return SDL_FALSE;
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
508 }
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
509
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
510 SDL_bool
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
511 SDL_HasSSE42(void)
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
512 {
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
513 if (SDL_GetCPUFeatures() & CPU_HAS_SSE42) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
514 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
515 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
516 return SDL_FALSE;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
517 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
518
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
519 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
520
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
521 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
522
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
523 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
524 main()
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
525 {
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
526 printf("CPU count: %d\n", SDL_GetCPUCount());
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
527 printf("CPU type: %s\n", SDL_GetCPUType());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
528 printf("CPU name: %s\n", SDL_GetCPUName());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
529 printf("CacheLine size: %d\n", SDL_GetCPUCacheLineSize());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
530 printf("RDTSC: %d\n", SDL_HasRDTSC());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
531 printf("MMX: %d\n", SDL_HasMMX());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
532 printf("SSE: %d\n", SDL_HasSSE());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
533 printf("SSE2: %d\n", SDL_HasSSE2());
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
534 printf("SSE3: %d\n", SDL_HasSSE3());
5268
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
535 printf("SSE4.1: %d\n", SDL_HasSSE41());
e1122f31fec5 Fixed SSE4 detection, and split it into SSE 4.1 and 4.2
Sam Lantinga <slouken@libsdl.org>
parents: 5267
diff changeset
536 printf("SSE4.2: %d\n", SDL_HasSSE42());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
537 return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
538 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
539
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
540 #endif /* TEST_MAIN */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
541
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
542 /* vi: set ts=4 sw=4 expandtab: */