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libjpeg: add NetBSD/powerpc spcific Altivec cpu feature detection

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Martin Husemann 2024-09-23 12:51:33 +02:00 • committed by roytam1
commit 7fe8b63b5c
1 changed files with 11 additions and 0 deletions
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11
media/libjpeg/simd/powerpc/jsimd.c
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@ -38,6 +38,9 @@
#elif defined(__FreeBSD__)
#include <machine/cpu.h>
#include <sys/auxv.h>
#elif defined(__NetBSD__)
#include <sys/param.h>
#include <sys/sysctl.h>
#endif
static unsigned int simd_support = ~0;
@ -127,6 +130,9 @@ init_simd(void)
size_t len = sizeof(altivec);
#elif defined(__FreeBSD__)
unsigned long cpufeatures = 0;
#elif defined(__NetBSD__)
int ret, av;
size_t len;
#endif
if (simd_support != ~0U)
@ -149,6 +155,11 @@ init_simd(void)
#elif defined(__OpenBSD__)
if (sysctl(mib, 2, &altivec, &len, NULL, 0) == 0 && altivec != 0)
simd_support |= JSIMD_ALTIVEC;
#elif defined(__NetBSD__)
len = sizeof(av);
ret = sysctlbyname("machdep.altivec", &av, &len, NULL, 0);
if (!ret && av)
simd_support |= JSIMD_ALTIVEC;
#elif defined(__FreeBSD__)
elf_aux_info(AT_HWCAP, &cpufeatures, sizeof(cpufeatures));
if (cpufeatures & PPC_FEATURE_HAS_ALTIVEC)