sdl-ios-xcode: src/cpuinfo/SDL

annotate src/cpuinfo/SDL_cpuinfo.c @ 887:b4b64bb88f2f

Date: Mon, 10 May 2004 10:17:46 -0400 From: Mike Frysinger Subject: Re: [SDL] gcc-3.4.0 / PIC fix here's a combined patch (yours and the one i mentioned earlier) that i tested with gcc-3.4.0 and gcc-3.3.3

author	Sam Lantinga <slouken@libsdl.org>
date	Sun, 16 May 2004 17:19:48 +0000
parents	9eb85a211abd
children	51a8702d8ecd

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> parents: diff changeset	2 SDL - Simple DirectMedia Layer
769 b8d311d90021 Updated copyright information for 2004 (Happy New Year!) Sam Lantinga <slouken@libsdl.org> parents: 749 diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
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
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	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: diff changeset	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
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Library General Public License for more details.
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 #ifdef SAVE_RCSID
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 static char rcsid =
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 "@(#) $Id$";
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 #endif
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	30 #ifdef unix /* FIXME: Better setjmp detection? */
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	31 #define USE_SETJMP
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	32 #include <signal.h>
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	33 #include <setjmp.h>
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	34 #endif
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	35
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #include "SDL.h"
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	37 #include "SDL_cpuinfo.h"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	38
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	39 #ifdef MACOSX
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	40 #include <sys/sysctl.h> /* For AltiVec check */
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	41 #endif
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	42
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	43 #define CPU_HAS_RDTSC 0x00000001
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	44 #define CPU_HAS_MMX 0x00000002
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	45 #define CPU_HAS_MMXEXT 0x00000004
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	46 #define CPU_HAS_3DNOW 0x00000010
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	47 #define CPU_HAS_3DNOWEXT 0x00000020
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	48 #define CPU_HAS_SSE 0x00000040
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	49 #define CPU_HAS_SSE2 0x00000080
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	50 #define CPU_HAS_ALTIVEC 0x00000100
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	51
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	52 #ifdef USE_SETJMP
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	53 /* This is the brute force way of detecting instruction sets...
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	54 the idea is borrowed from the libmpeg2 library - thanks!
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	55 */
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	56 static jmp_buf jmpbuf;
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	57 static void illegal_instruction(int sig)
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	58 {
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	59 longjmp(jmpbuf, 1);
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	60 }
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	61 #endif // USE_SETJMP
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	62
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	63 static __inline__ int CPU_haveCPUID()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	64 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	65 int has_CPUID = 0;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	66 #if defined(__GNUC__) && defined(i386)
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	67 __asm__ (
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	68 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	69 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	70 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	71 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	72 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	73 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	74 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	75 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	76 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	77 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	78 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	79 "1: \n"
784 a2dde6aff60e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 778 diff changeset	80 : "=m" (has_CPUID)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	81 :
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	82 : "%eax", "%ecx"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	83 );
881 9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	84 #elif defined(__GNUC__) && defined(__x86_64__)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	85 /* Technically, if this is being compiled under __x86_64__ then it has
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	86 CPUid by definition. But it's nice to be able to prove it. :) */
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	87 __asm__ (
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	88 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	89 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	90 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	91 " 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	92 " 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	93 " 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	94 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	95 " 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	96 " 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 diff changeset	97 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	98 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	99 "1: \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	100 : "=m" (has_CPUID)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	101 :
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	102 : "%rax", "%rcx"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	103 );
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	104 #elif defined(_MSC_VER)
749 06cdd106d61c Updated Visual C++ support Sam Lantinga <slouken@libsdl.org> parents: 747 diff changeset	105 __asm {
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	106 pushfd ; Get original EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	107 pop eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	108 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	109 xor eax, 200000h ; Flip ID bit in EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	110 push eax ; Save new EFLAGS value on stack
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	111 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	112 pushfd ; Get new EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	113 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	114 xor eax, ecx ; Can not toggle ID bit,
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	115 jz done ; Processor=80486
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	116 mov has_CPUID,1 ; We have CPUID support
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	117 done:
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	118 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	119 #endif
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	120 return has_CPUID;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	121 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	123 static __inline__ int CPU_getCPUIDFeatures()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	124 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	125 int features = 0;
881 9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	126 #if defined(__GNUC__) && ( defined(i386) \|\| defined(__x86_64__) )
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	127 __asm__ (
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	128 " movl %%ebx,%%edi\n"
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	129 " 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	130 " cpuid # Get and save vendor ID \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	131 " 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	132 " 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	133 " xorl %%eax,%%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	134 " incl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	135 " cpuid # Get family/model/stepping/features\n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	136 " movl %%edx,%0 \n"
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	137 "1: \n"
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	138 " movl %%edi,%%ebx\n"
784 a2dde6aff60e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 778 diff changeset	139 : "=m" (features)
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	140 :
887 b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400 Sam Lantinga <slouken@libsdl.org> parents: 881 diff changeset	141 : "%eax", "%ecx", "%edx", "%edi"
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	142 );
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	143 #elif defined(_MSC_VER)
749 06cdd106d61c Updated Visual C++ support Sam Lantinga <slouken@libsdl.org> parents: 747 diff changeset	144 __asm {
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	145 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	146 cpuid ; Get and save vendor ID
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	147 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	148 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	149 xor eax, eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	150 inc eax
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	151 cpuid ; Get family/model/stepping/features
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	152 mov features, edx
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	153 done:
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	154 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	155 #endif
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	156 return features;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	157 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	158
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	159 static __inline__ int CPU_getCPUIDFeaturesExt()
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	160 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	161 int features = 0;
881 9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600 Sam Lantinga <slouken@libsdl.org> parents: 804 diff changeset	162 #if defined(__GNUC__) && (defined(i386) \|\| defined (__x86_64__) )
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	163 __asm__ (
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	164 " 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	165 " 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	166 " 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	167 " cmpl $0x80000001,%%eax \n"
787 07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100 Sam Lantinga <slouken@libsdl.org> parents: 786 diff changeset	168 " 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	169 " 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	170 " 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	171 " 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	172 "1: \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	173 " 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	174 : "=m" (features)
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	175 :
887 b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400 Sam Lantinga <slouken@libsdl.org> parents: 881 diff changeset	176 : "%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	177 );
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	178 #elif defined(_MSC_VER)
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	179 __asm {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	180 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	181 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	182 cmp eax,80000001h
787 07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100 Sam Lantinga <slouken@libsdl.org> parents: 786 diff changeset	183 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	184 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	185 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	186 mov features,edx
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	187 done:
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	188 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	189 #endif
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	190 return features;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	191 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	192
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	193 static __inline__ int CPU_haveRDTSC()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	194 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	195 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	196 return (CPU_getCPUIDFeatures() & 0x00000010);
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	197 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	198 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	199 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	201 static __inline__ int CPU_haveMMX()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	202 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	203 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	204 return (CPU_getCPUIDFeatures() & 0x00800000);
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	205 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	206 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	207 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	208
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	209 static __inline__ int CPU_haveMMXExt()
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	210 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	211 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	212 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	213 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	214 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	215 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	216
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	217 static __inline__ int CPU_have3DNow()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	218 {
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	219 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	220 return (CPU_getCPUIDFeaturesExt() & 0x80000000);
747 da36f59485da Check for CPUID before checking for 3DNow! Sam Lantinga <slouken@libsdl.org> parents: 745 diff changeset	221 }
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	222 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	223 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	224
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	225 static __inline__ int CPU_have3DNowExt()
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	226 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	227 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	228 return (CPU_getCPUIDFeaturesExt() & 0x40000000);
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	229 }
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	230 return 0;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	231 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	232
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	233 static __inline__ int CPU_haveSSE()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	234 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	235 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	236 return (CPU_getCPUIDFeatures() & 0x02000000);
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	237 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	238 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	239 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240
785 ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	241 static __inline__ int CPU_haveSSE2()
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	242 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	243 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	244 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	245 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	246 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	247 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection Sam Lantinga <slouken@libsdl.org> parents: 784 diff changeset	248
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	249 static __inline__ int CPU_haveAltiVec()
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	250 {
796 dec19b813b04 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 795 diff changeset	251 volatile int altivec = 0;
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	252 #ifdef MACOSX
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	253 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	254 int hasVectorUnit = 0;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	255 size_t length = sizeof(hasVectorUnit);
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	256 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	257 if( 0 == error )
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	258 altivec = (hasVectorUnit != 0);
795 275708f2e838 Check for altivec assembly support before trying to use it. :) Sam Lantinga <slouken@libsdl.org> parents: 793 diff changeset	259 #elif defined(USE_SETJMP) && defined(GCC_ALTIVEC)
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	260 void (*handler)(int sig);
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	261 handler = signal(SIGILL, illegal_instruction);
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	262 if ( setjmp(jmpbuf) == 0 ) {
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	263 asm volatile ("mtspr 256, %0\n\t"
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	264 "vand %%v0, %%v0, %%v0"
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	265 :
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	266 : "r" (-1));
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	267 altivec = 1;
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	268 }
c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	269 signal(SIGILL, handler);
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	270 #endif
793 c20f08c4f437 Altivec detection on non-MacOS X systems Sam Lantinga <slouken@libsdl.org> parents: 787 diff changeset	271 return altivec;
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	272 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	273
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 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	275
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 static Uint32 SDL_GetCPUFeatures()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 if ( SDL_CPUFeatures == 0xFFFFFFFF ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 SDL_CPUFeatures = 0;
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	280 if ( CPU_haveRDTSC() ) {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	281 SDL_CPUFeatures \|= CPU_HAS_RDTSC;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	282 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 if ( CPU_haveMMX() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 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	285 }
786 e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	286 if ( CPU_haveMMXExt() ) {
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	287 SDL_CPUFeatures \|= CPU_HAS_MMXEXT;
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	288 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289 if ( CPU_have3DNow() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 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	291 }
786 e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	292 if ( CPU_have3DNowExt() ) {
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	293 SDL_CPUFeatures \|= CPU_HAS_3DNOWEXT;
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	294 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 if ( CPU_haveSSE() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 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	297 }
786 e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	298 if ( CPU_haveSSE2() ) {
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	299 SDL_CPUFeatures \|= CPU_HAS_SSE2;
e1e0a0a94570 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 785 diff changeset	300 }
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	301 if ( CPU_haveAltiVec() ) {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	302 SDL_CPUFeatures \|= CPU_HAS_ALTIVEC;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	303 }
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 return SDL_CPUFeatures;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	308 SDL_bool SDL_HasRDTSC()
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	309 {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	310 if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) {
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	311 return SDL_TRUE;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	312 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	313 return SDL_FALSE;
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	314 }
71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	315
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 SDL_bool SDL_HasMMX()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 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	319 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	324 SDL_bool SDL_HasMMXExt()
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	325 {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	326 if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	327 return SDL_TRUE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	328 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	329 return SDL_FALSE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	330 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	331
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 SDL_bool SDL_Has3DNow()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 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	335 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	340 SDL_bool SDL_Has3DNowExt()
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	341 {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	342 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	343 return SDL_TRUE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	344 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	345 return SDL_FALSE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	346 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	347
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 SDL_bool SDL_HasSSE()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 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	351 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355
804 b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	356 SDL_bool SDL_HasSSE2()
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	357 {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	358 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) {
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	359 return SDL_TRUE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	360 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	361 return SDL_FALSE;
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	362 }
b2fda076b02e * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 796 diff changeset	363
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	364 SDL_bool SDL_HasAltiVec()
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	365 {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	366 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	367 return SDL_TRUE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	368 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	369 return SDL_FALSE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	370 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	371
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376 int main()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 {
778 8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 769 diff changeset	378 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	379 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	380 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	381 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	382 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	383 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	384 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	385 printf("AltiVec: %d\n", SDL_HasAltiVec());
745 71ee03909f42 Greatly simplified the SDL CPU info code Sam Lantinga <slouken@libsdl.org> parents: 739 diff changeset	386 return 0;
739 22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 #endif /* TEST_MAIN */

Mercurial > sdl-ios-xcode

annotate src/cpuinfo/SDL_cpuinfo.c @ 887:b4b64bb88f2f