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Add AltiVec detection for BSDs

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strategyselector.c:377:26: linux/auxvec.h: No such file or directory
This commit is contained in:
Jan Beich 2018-06-14 18:35:48 +00:00
parent 69d836d1b2
commit 93e1c9f1c3
1 changed files with 42 additions and 0 deletions
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42
src/strategyselector.c
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@ -372,6 +372,7 @@ static INLINE int get_cpuid(unsigned level, unsigned sublevel, cpuid_t *cpu_info
#endif // COMPILE_INTEL
#if COMPILE_POWERPC
# if defined(__linux__)
#include <fcntl.h>
#include <unistd.h>
#include <linux/auxvec.h>
@ -406,6 +407,47 @@ out_close:
close(fd);
return result;
}
# elif defined(__FreeBSD__)
#include <sys/types.h>
#include <sys/sysctl.h>
#include <machine/cpu.h>
static int altivec_available(void)
{
u_long cpu_features = 0;
size_t len = sizeof(cpu_features);
sysctlbyname("hw.cpu_features", &cpu_features, &len, NULL, 0);
return !!(cpu_features & PPC_FEATURE_HAS_ALTIVEC);
}
# elif defined(__APPLE__) || defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/param.h>
#include <sys/sysctl.h>
#include <machine/cpu.h>
static int altivec_available(void)
{
int cpu_altivec = 0;
size_t len = sizeof(cpu_altivec);
#ifdef HW_VECTORUNIT
int mib[] = { CTL_HW, HW_VECTORUNIT };
#else
int mib[] = { CTL_MACHDEP, CPU_ALTIVEC };
#endif
sysctl(mib, sizeof(mib)/sizeof(mib[0]), &cpu_altivec, &len, NULL, 0);
return cpu_altivec;
}
# else
static int altivec_available(void)
{
#if COMPILE_POWERPC_ALTIVEC
return 1;
#else
return 0;
#endif
}
# endif
#endif //COMPILE_POWERPC
static void set_hardware_flags(int32_t cpuid) {