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Detect AltiVec support on OpenBSD

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This commit is contained in:
Donovan Watteau
2016-12-03 15:46:49 +01:00
committed by DRC
parent 0f4fcced0a
commit f4ba09b33a
1 changed files with 12 additions and 0 deletions
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12
simd/jsimd_powerpc.c
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@@ -31,6 +31,12 @@
#include <string.h> #include <string.h>
#include <ctype.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; static unsigned int simd_support = ~0;
#if defined(__linux__) || defined(ANDROID) || defined(__ANDROID__) #if defined(__linux__) || defined(ANDROID) || defined(__ANDROID__)
@@ -126,6 +132,12 @@ init_simd (void)
IExec->GetCPUInfoTags(GCIT_VectorUnit, &altivec, TAG_DONE); IExec->GetCPUInfoTags(GCIT_VectorUnit, &altivec, TAG_DONE);
if(altivec == VECTORTYPE_ALTIVEC) if(altivec == VECTORTYPE_ALTIVEC)
simd_support |= JSIMD_ALTIVEC; simd_support |= JSIMD_ALTIVEC;
#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 #endif
/* Force different settings through environment variables */ /* Force different settings through environment variables */