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Ensure cpu is inited before calling cpu_supports()

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Kovid Goyal
2024-01-05 12:27:23 +05:30
parent c1793d8781
commit 2cb87861c0
2 changed files with 7 additions and 5 deletions
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5
kitty/simd-string.c
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@@ -117,13 +117,14 @@ bool
init_simd(void *x) {
PyObject *module = (PyObject*)x;
if (PyModule_AddFunctions(module, module_methods) != 0) return false;
__builtin_cpu_init();
#define A(x, val) { Py_INCREF(Py_##val); if (0 != PyModule_AddObject(module, #x, Py_##val)) return false; }
#ifdef __APPLE__
#ifdef __arm64__
// simde takes care of NEON on Apple Silicon
has_sse4_2 = true; has_avx2 = true;
#else
has_sse4_2 = __builtin_cpu_supports("sse4.2") != 0; has_avx2 = __builtin_cpu_supports("avx2");
has_sse4_2 = __builtin_cpu_supports("sse4.2") != 0; has_avx2 = __builtin_cpu_supports("avx2") != 0;
#endif
#else
#ifdef __aarch64__
@@ -131,7 +132,7 @@ init_simd(void *x) {
// basic AVX2 and SSE4.2 intrinsics, so hopefully they work on ARM
has_sse4_2 = true; has_avx2 = true;
#else
has_sse4_2 = __builtin_cpu_supports("sse4.2") != 0; has_avx2 = __builtin_cpu_supports("avx2");
has_sse4_2 = __builtin_cpu_supports("sse4.2") != 0; has_avx2 = __builtin_cpu_supports("avx2") != 0;
#endif
#endif
if (has_avx2) {