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- $OpenBSD: patch-simd_jsimd_powerpc_c,v 1.1 2016/12/03 11:22:50 landry Exp $
- Detect Altivec support on ppc.
- --- simd/jsimd_powerpc.c.orig Wed Sep 21 01:36:59 2016
- +++ simd/jsimd_powerpc.c Fri Dec 2 19:23:14 2016
- @@ -26,6 +26,12 @@
- #include <string.h>
- #include <ctype.h>
-
- +#if defined(__OpenBSD__)
- +#include <sys/param.h>
- +#include <sys/sysctl.h>
- +#include <machine/cpu.h>
- +#endif
- +
- static unsigned int simd_support = ~0;
-
- #if defined(__linux__) || defined(ANDROID) || defined(__ANDROID__)
- @@ -116,6 +122,12 @@ init_simd (void)
- if (bufsize > SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT)
- break;
- }
- +#elif defined(__OpenBSD__)
- + int mib[2] = { CTL_MACHDEP, CPU_ALTIVEC };
- + int altivec;
- + size_t len = sizeof(altivec);
- + if (sysctl(mib, 2, &altivec, &len, NULL, 0) == 0 && altivec != 0)
- + simd_support |= JSIMD_ALTIVEC;
- #endif
-
- /* Force different settings through environment variables */
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