src/cpuinfo/SDL_cpuinfo.c
author Sam Lantinga <slouken@libsdl.org>
Mon, 10 Jul 2006 21:04:37 +0000
changeset 1895 c121d94672cb
parent 1864 7bea26ad3130
child 2859 99210400e8b9
permissions -rw-r--r--
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* CPU feature detection for SDL */
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#include "SDL.h"
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#include "SDL_cpuinfo.h"
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#if defined(__MACOSX__) && defined(__ppc__)
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#include <sys/sysctl.h>         /* For AltiVec check */
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#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
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#include <signal.h>
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#include <setjmp.h>
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#endif
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#define CPU_HAS_RDTSC	0x00000001
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#define CPU_HAS_MMX	0x00000002
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#define CPU_HAS_MMXEXT	0x00000004
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#define CPU_HAS_3DNOW	0x00000010
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#define CPU_HAS_3DNOWEXT 0x00000020
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#define CPU_HAS_SSE	0x00000040
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#define CPU_HAS_SSE2	0x00000080
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#define CPU_HAS_ALTIVEC	0x00000100
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#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
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/* This is the brute force way of detecting instruction sets...
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   the idea is borrowed from the libmpeg2 library - thanks!
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 */
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static jmp_buf jmpbuf;
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static void
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illegal_instruction(int sig)
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{
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    longjmp(jmpbuf, 1);
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}
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#endif /* HAVE_SETJMP */
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static __inline__ int
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CPU_haveCPUID(void)
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{
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    int has_CPUID = 0;
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/* *INDENT-OFF* */
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#if defined(__GNUC__) && defined(i386)
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	__asm__ (
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"        pushfl                      # Get original EFLAGS             \n"
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"        popl    %%eax                                                 \n"
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"        movl    %%eax,%%ecx                                           \n"
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"        xorl    $0x200000,%%eax     # Flip ID bit in EFLAGS           \n"
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"        pushl   %%eax               # Save new EFLAGS value on stack  \n"
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"        popfl                       # Replace current EFLAGS value    \n"
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"        pushfl                      # Get new EFLAGS                  \n"
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"        popl    %%eax               # Store new EFLAGS in EAX         \n"
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"        xorl    %%ecx,%%eax         # Can not toggle ID bit,          \n"
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"        jz      1f                  # Processor=80486                 \n"
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"        movl    $1,%0               # We have CPUID support           \n"
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"1:                                                                    \n"
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	: "=m" (has_CPUID)
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	:
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	: "%eax", "%ecx"
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	);
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#elif defined(__GNUC__) && defined(__x86_64__)
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/* Technically, if this is being compiled under __x86_64__ then it has 
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CPUid by definition.  But it's nice to be able to prove it.  :)      */
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	__asm__ (
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"        pushfq                      # Get original EFLAGS             \n"
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"        popq    %%rax                                                 \n"
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"        movq    %%rax,%%rcx                                           \n"
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"        xorl    $0x200000,%%eax     # Flip ID bit in EFLAGS           \n"
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"        pushq   %%rax               # Save new EFLAGS value on stack  \n"
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"        popfq                       # Replace current EFLAGS value    \n"
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"        pushfq                      # Get new EFLAGS                  \n"
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"        popq    %%rax               # Store new EFLAGS in EAX         \n"
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"        xorl    %%ecx,%%eax         # Can not toggle ID bit,          \n"
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"        jz      1f                  # Processor=80486                 \n"
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"        movl    $1,%0               # We have CPUID support           \n"
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"1:                                                                    \n"
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	: "=m" (has_CPUID)
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	:
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	: "%rax", "%rcx"
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	);
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#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
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	__asm {
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        pushfd                      ; Get original EFLAGS
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        pop     eax
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        mov     ecx, eax
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        xor     eax, 200000h        ; Flip ID bit in EFLAGS
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        push    eax                 ; Save new EFLAGS value on stack
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        popfd                       ; Replace current EFLAGS value
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        pushfd                      ; Get new EFLAGS
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        pop     eax                 ; Store new EFLAGS in EAX
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        xor     eax, ecx            ; Can not toggle ID bit,
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        jz      done                ; Processor=80486
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        mov     has_CPUID,1         ; We have CPUID support
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done:
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	}
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#elif defined(__sun) && defined(__i386)
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	__asm (
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"       pushfl                 \n"
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"	popl    %eax           \n"
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"	movl    %eax,%ecx      \n"
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"	xorl    $0x200000,%eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   121
"	pushl   %eax           \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
   122
"	popfl                  \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   123
"	pushfl                 \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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diff changeset
   124
"	popl    %eax           \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
   125
"	xorl    %ecx,%eax      \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
   126
"	jz      1f             \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   127
"	movl    $1,-8(%ebp)    \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
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diff changeset
   128
"1:                            \n"
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   129
	);
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   130
#elif defined(__sun) && defined(__amd64)
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   131
	__asm (
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diff changeset
   132
"       pushfq                 \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   133
"       popq    %rax           \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   134
"       movq    %rax,%rcx      \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   135
"       xorl    $0x200000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   136
"       pushq   %rax           \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   137
"       popfq                  \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   138
"       pushfq                 \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   139
"       popq    %rax           \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   140
"       xorl    %ecx,%eax      \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   141
"       jz      1f             \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   142
"       movl    $1,-8(%rbp)    \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
   143
"1:                            \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   144
	);
745
71ee03909f42 Greatly simplified the SDL CPU info code
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diff changeset
   145
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   146
/* *INDENT-ON* */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   147
    return has_CPUID;
745
71ee03909f42 Greatly simplified the SDL CPU info code
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diff changeset
   148
}
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   149
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   150
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   151
CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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   152
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   153
    int features = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   154
/* *INDENT-OFF* */
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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parents: 804
diff changeset
   155
#if defined(__GNUC__) && ( defined(i386) || defined(__x86_64__) )
745
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   156
	__asm__ (
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   157
"        movl    %%ebx,%%edi\n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   158
"        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
   159
"        cpuid                       # Get and save vendor ID          \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   160
"        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
   161
"        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
   162
"        xorl    %%eax,%%eax                                           \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   163
"        incl    %%eax                                                 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   164
"        cpuid                       # Get family/model/stepping/features\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   165
"        movl    %%edx,%0                                              \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   166
"1:                                                                    \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   167
"        movl    %%edi,%%ebx\n"
784
a2dde6aff60e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 778
diff changeset
   168
	: "=m" (features)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   169
	:
887
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
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parents: 881
diff changeset
   170
	: "%eax", "%ecx", "%edx", "%edi"
745
71ee03909f42 Greatly simplified the SDL CPU info code
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diff changeset
   171
	);
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
   172
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
749
06cdd106d61c Updated Visual C++ support
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parents: 747
diff changeset
   173
	__asm {
745
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   174
        xor     eax, eax            ; Set up for CPUID instruction
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   175
        cpuid                       ; Get and save vendor ID
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   176
        cmp     eax, 1              ; Make sure 1 is valid input for CPUID
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   177
        jl      done                ; We dont have the CPUID instruction
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   178
        xor     eax, eax
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   179
        inc     eax
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   180
        cpuid                       ; Get family/model/stepping/features
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   181
        mov     features, edx
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   182
done:
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
   183
	}
1864
7bea26ad3130 I think this fixes bug #244
Sam Lantinga <slouken@libsdl.org>
parents: 1590
diff changeset
   184
#elif defined(__sun) && (defined(__i386) || defined(__amd64))
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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diff changeset
   185
	    __asm(
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   186
"        movl    %ebx,%edi\n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   187
"        xorl    %eax,%eax         \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   188
"        cpuid                     \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   189
"        cmpl    $1,%eax           \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   190
"        jl      1f                \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   191
"        xorl    %eax,%eax         \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   192
"        incl    %eax              \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   193
"        cpuid                     \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   194
#ifdef __i386
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   195
"        movl    %edx,-8(%ebp)     \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   196
#else
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   197
"        movl    %edx,-8(%rbp)     \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   198
#endif
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   199
"1:                                \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   200
"        movl    %edi,%ebx\n" );
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   201
#endif
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
   202
/* *INDENT-ON* */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1864
diff changeset
   203
    return features;
745
71ee03909f42 Greatly simplified the SDL CPU info code
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diff changeset
   204
}
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   205
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
   206
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
   207
CPU_getCPUIDFeaturesExt(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   208
{
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
   209
    int features = 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
   210
/* *INDENT-OFF* */
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
   211
#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
   212
	__asm__ (
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   213
"        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
   214
"        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
   215
"        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
   216
"        cmpl    $0x80000001,%%eax                                     \n"
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
   217
"        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
   218
"        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
   219
"        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
   220
"        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
   221
"1:                                                                    \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   222
"        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
   223
	: "=m" (features)
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   224
	:
887
b4b64bb88f2f Date: Mon, 10 May 2004 10:17:46 -0400
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parents: 881
diff changeset
   225
	: "%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
   226
	);
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
   227
#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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parents: 784
diff changeset
   228
	__asm {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   229
        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
   230
        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
   231
        cmp     eax,80000001h
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
   232
        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
   233
        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
   234
        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
   235
        mov     features,edx
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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parents: 784
diff changeset
   236
done:
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
   237
	}
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   238
#elif defined(__sun) && ( defined(__i386) || defined(__amd64) )
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   239
	    __asm (
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   240
"        movl    %ebx,%edi\n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   241
"        movl    $0x80000000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   242
"        cpuid                    \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
   243
"        cmpl    $0x80000001,%eax \n"
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"        jl      1f               \n"
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   245
"        movl    $0x80000001,%eax \n"
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diff changeset
   246
"        cpuid                    \n"
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   247
#ifdef __i386
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   248
"        movl    %edx,-8(%ebp)   \n"
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   249
#else
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   250
"        movl    %edx,-8(%rbp)   \n"
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   251
#endif
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   252
"1:                               \n"
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   253
"        movl    %edi,%ebx\n"
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   254
	    );
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#endif
1895
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   256
/* *INDENT-ON* */
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   257
    return features;
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   258
}
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   259
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static __inline__ int
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CPU_haveRDTSC(void)
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{
1895
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   263
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   264
        return (CPU_getCPUIDFeatures() & 0x00000010);
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   265
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   266
    return 0;
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   267
}
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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diff changeset
   268
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static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   270
CPU_haveMMX(void)
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   271
{
1895
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   272
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   273
        return (CPU_getCPUIDFeatures() & 0x00800000);
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   274
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   275
    return 0;
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   276
}
71ee03909f42 Greatly simplified the SDL CPU info code
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   277
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   278
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   279
CPU_haveMMXExt(void)
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{
1895
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   281
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   282
        return (CPU_getCPUIDFeaturesExt() & 0x00400000);
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   283
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   284
    return 0;
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   285
}
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   286
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   287
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   288
CPU_have3DNow(void)
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71ee03909f42 Greatly simplified the SDL CPU info code
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   289
{
1895
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diff changeset
   290
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   291
        return (CPU_getCPUIDFeaturesExt() & 0x80000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   292
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   293
    return 0;
785
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   294
}
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   295
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   296
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   297
CPU_have3DNowExt(void)
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   298
{
1895
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diff changeset
   299
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   300
        return (CPU_getCPUIDFeaturesExt() & 0x40000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   301
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   302
    return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
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   303
}
71ee03909f42 Greatly simplified the SDL CPU info code
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   304
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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   305
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   306
CPU_haveSSE(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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diff changeset
   307
{
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1864
diff changeset
   308
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   309
        return (CPU_getCPUIDFeatures() & 0x02000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   310
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   311
    return 0;
785
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diff changeset
   312
}
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
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diff changeset
   313
1895
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diff changeset
   314
static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   315
CPU_haveSSE2(void)
778
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parents: 769
diff changeset
   316
{
1895
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diff changeset
   317
    if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   318
        return (CPU_getCPUIDFeatures() & 0x04000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   319
    }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   320
    return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   321
}
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   322
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   323
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
   324
CPU_haveAltiVec(void)
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
   325
{
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
   326
    volatile int altivec = 0;
1590
96d8c3fec479 Don't detect Altivec on MacOS X Intel
Sam Lantinga <slouken@libsdl.org>
parents: 1487
diff changeset
   327
#if defined(__MACOSX__) && defined(__ppc__)
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
   328
    int selectors[2] = { CTL_HW, HW_VECTORUNIT };
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
   329
    int hasVectorUnit = 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
   330
    size_t length = sizeof(hasVectorUnit);
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
   331
    int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 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
   332
    if (0 == error)
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
   333
        altivec = (hasVectorUnit != 0);
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
   334
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1864
diff changeset
   335
    void (*handler) (int sig);
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
   336
    handler = signal(SIGILL, illegal_instruction);
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
   337
    if (setjmp(jmpbuf) == 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
   338
        asm volatile ("mtspr 256, %0\n\t" "vand %%v0, %%v0, %%v0"::"r" (-1));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   339
        altivec = 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   340
    }
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
   341
    signal(SIGILL, handler);
778
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parents: 769
diff changeset
   342
#endif
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   343
    return altivec;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
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parents: 769
diff changeset
   344
}
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   345
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   346
static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff changeset
   347
1895
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diff changeset
   348
static Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   349
SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   350
{
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
   351
    if (SDL_CPUFeatures == 0xFFFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
   352
        SDL_CPUFeatures = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1864
diff changeset
   353
        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
   354
            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
   355
        }
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
   356
        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
   357
            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
   358
        }
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
   359
        if (CPU_haveMMXExt()) {
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
   360
            SDL_CPUFeatures |= CPU_HAS_MMXEXT;
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
   361
        }
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
   362
        if (CPU_have3DNow()) {
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
   363
            SDL_CPUFeatures |= CPU_HAS_3DNOW;
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
   364
        }
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
   365
        if (CPU_have3DNowExt()) {
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
   366
            SDL_CPUFeatures |= CPU_HAS_3DNOWEXT;
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
   367
        }
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
   368
        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
   369
            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
   370
        }
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
   371
        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
   372
            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
   373
        }
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
   374
        if (CPU_haveAltiVec()) {
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
   375
            SDL_CPUFeatures |= CPU_HAS_ALTIVEC;
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
   376
        }
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
   377
    }
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
   378
    return SDL_CPUFeatures;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   379
}
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   380
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
   381
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
   382
SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   383
{
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
   384
    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
   385
        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
   386
    }
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
   387
    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
   388
}
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
   389
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
   390
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
   391
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
   392
{
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
   393
    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
   394
        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
   395
    }
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
   396
    return SDL_FALSE;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   397
}
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
   398
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
   399
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
   400
SDL_HasMMXExt(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
{
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
   402
    if (SDL_GetCPUFeatures() & CPU_HAS_MMXEXT) {
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
   403
        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
   404
    }
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
   405
    return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
}
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
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
   408
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
   409
SDL_Has3DNow(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   410
{
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
   411
    if (SDL_GetCPUFeatures() & CPU_HAS_3DNOW) {
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
   412
        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
   413
    }
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
   414
    return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
}
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
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
   417
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
   418
SDL_Has3DNowExt(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   419
{
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
   420
    if (SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT) {
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
   421
        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
   422
    }
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
   423
    return SDL_FALSE;
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   424
}
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
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
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
   427
SDL_HasSSE(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_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
   430
        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
   431
    }
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
    return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
}
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
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
   435
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
   436
SDL_HasSSE2(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   437
{
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
   438
    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
   439
        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
   440
    }
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
    return SDL_FALSE;
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   442
}
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
   443
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
   444
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
   445
SDL_HasAltiVec(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   446
{
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
   447
    if (SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC) {
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
   448
        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
   449
    }
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
   450
    return SDL_FALSE;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   451
}
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
   452
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
#ifdef TEST_MAIN
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
#include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
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
   457
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
   458
main()
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
{
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
   460
    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
   461
    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
   462
    printf("MMXExt: %d\n", SDL_HasMMXExt());
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
    printf("3DNow: %d\n", SDL_Has3DNow());
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
    printf("3DNowExt: %d\n", SDL_Has3DNowExt());
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
    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
   466
    printf("SSE2: %d\n", SDL_HasSSE2());
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
    printf("AltiVec: %d\n", SDL_HasAltiVec());
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
    return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
}
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
#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
   472
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
   473
/* vi: set ts=4 sw=4 expandtab: */