8000 ENH: Detect CPU features on OpenBSD ARM and PowerPC64 by charris · Pull Request #29241 · numpy/numpy · GitHub
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ENH: Detect CPU features on OpenBSD ARM and PowerPC64 #29241

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merged 1 commit into from
Jun 20, 2025
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ENH: Detect CPU features on OpenBSD ARM and PowerPC64 #29241

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12 changes: 6 additions & 6 deletions numpy/_core/src/common/npy_cpu_features.c
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Original file line number Diff line number Diff line change
Expand Up @@ -562,7 +562,7 @@ npy__cpu_init_features(void)

#elif defined(NPY_CPU_PPC64) || defined(NPY_CPU_PPC64LE)

#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
#ifdef __FreeBSD__
#include <machine/cpu.h> // defines PPC_FEATURE_HAS_VSX
#endif
Expand All @@ -585,7 +585,7 @@ static void
npy__cpu_init_features(void)
{
memset(npy__cpu_have, 0, sizeof(npy__cpu_have[0]) * NPY_CPU_FEATURE_MAX);
#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
#ifdef __linux__
unsigned int hwcap = getauxval(AT_HWCAP);
if ((hwcap & PPC_FEATURE_HAS_VSX) == 0)
Expand All @@ -612,7 +612,7 @@ npy__cpu_init_features(void)
npy__cpu_have[NPY_CPU_FEATURE_VSX2] = (hwcap & PPC_FEATURE2_ARCH_2_07) != 0;
npy__cpu_have[NPY_CPU_FEATURE_VSX3] = (hwcap & PPC_FEATURE2_ARCH_3_00) != 0;
npy__cpu_have[NPY_CPU_FEATURE_VSX4] = (hwcap & PPC_FEATURE2_ARCH_3_1) != 0;
// TODO: AIX, OpenBSD
// TODO: AIX
#else
npy__cpu_have[NPY_CPU_FEATURE_VSX] = 1;
#if defined(NPY_CPU_PPC64LE) || defined(NPY_HAVE_VSX2)
Expand Down Expand Up @@ -698,7 +698,7 @@ npy__cpu_init_features_arm8(void)
npy__cpu_have[NPY_CPU_FEATURE_ASIMD] = 1;
}

#if defined(__linux__) || defined(__FreeBSD__)
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
/*
* we aren't sure of what kind kernel or clib we deal with
* so we play it safe
Expand All @@ -709,7 +709,7 @@ npy__cpu_init_features_arm8(void)
#if defined(__linux__)
__attribute__((weak)) unsigned long getauxval(unsigned long); // linker should handle it
#endif
#ifdef __FreeBSD__
#if defined(__FreeBSD__) || defined(__OpenBSD__)
__attribute__((weak)) int elf_aux_info(int, void *, int); // linker should handle it

static unsigned long getauxval(unsigned long k)
Expand Down Expand Up @@ -807,7 +807,7 @@ static void
npy__cpu_init_features(void)
{
memset(npy__cpu_have, 0, sizeof(npy__cpu_have[0]) * NPY_CPU_FEATURE_MAX);
#ifdef __linux__
#if defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__)
if (npy__cpu_init_features_linux())
return;
#endif
Expand Down
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