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[patch] OpenBSD/powerpc AltiVec detection

patch-src_cpuinfo_SDL_cpuinfo_c (text/plain), 1.46 KB, created by Brad Smith on 2012-02-29 19:31:46 UTC

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Filename:

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Creator: Brad Smith

Created: 2012-02-29 19:31:46 UTC

Size: 1.46 KB

patch

obsolete

>--- src/cpuinfo/SDL_cpuinfo.c.orig	Thu Jan 19 01:30:06 2012
>+++ src/cpuinfo/SDL_cpuinfo.c	Fri Feb 24 16:08:00 2012
>@@ -28,6 +28,10 @@
> 
> #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
> #include <sys/sysctl.h> /* For AltiVec check */
>+#elif defined(__OpenBSD__) && defined(__powerpc__)
>+#include <sys/param.h>
>+#include <sys/sysctl.h> /* For AltiVec check */
>+#include <machine/cpu.h>
> #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
> #include <signal.h>
> #include <setjmp.h>
>@@ -42,7 +46,7 @@
> #define CPU_HAS_SSE2	0x00000080
> #define CPU_HAS_ALTIVEC	0x00000100
> 
>-#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
>+#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ && !__OpenBSD__
> /* This is the brute force way of detecting instruction sets...
>    the idea is borrowed from the libmpeg2 library - thanks!
>  */
>@@ -359,8 +363,12 @@ static __inline__ int CPU_haveSSE2(void)
> static __inline__ int CPU_haveAltiVec(void)
> {
> 	volatile int altivec = 0;
>-#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
>-	int selectors[2] = { CTL_HW, HW_VECTORUNIT }; 
>+#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__))
>+# ifdef __OpenBSD__
>+	int selectors[2] = { CTL_MACHDEP, CPU_ALTIVEC };
>+# else
>+	int selectors[2] = { CTL_HW, HW_VECTORUNIT };
>+# endif
> 	int hasVectorUnit = 0; 
> 	size_t length = sizeof(hasVectorUnit); 
> 	int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);

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We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.