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Kovid Goyal
2024-01-15 21:19:12 +05:30
parent ceac074dad
commit 43f64f71e4
1 changed files with 4 additions and 2 deletions
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6
kitty/simd-string.c
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@@ -119,12 +119,13 @@ init_simd(void *x) {
PyObject *module = (PyObject*)x;
if (PyModule_AddFunctions(module, module_methods) != 0) return false;
#define A(x, val) { Py_INCREF(Py_##val); if (0 != PyModule_AddObject(module, #x, Py_##val)) return false; }
#define do_check() has_sse4_2 = __builtin_cpu_supports("sse4.2") != 0; has_avx2 = __builtin_cpu_supports("avx2") != 0;
#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") != 0;
do_check();
#endif
#else
#ifdef __aarch64__
@@ -132,9 +133,10 @@ 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") != 0;
do_check();
#endif
#endif
#undef do_check
if (has_avx2) {
A(has_avx2, True);
find_either_of_two_bytes_impl = find_either_of_two_bytes_256;