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add fallback pdep64 for x86 if no HAVE_BMI2

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Konstantinos Margaritis 2023-12-20 08:25:30 +02:00
parent 49e6fe15a2
commit 1b915cfb93
1 changed files with 5 additions and 0 deletions
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5
src/util/arch/x86/bitutils.h
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@ -285,6 +285,11 @@ static really_inline
u64a pdep64_impl(u64a x, u64a mask) { u64a pdep64_impl(u64a x, u64a mask) {
return _pdep_u64(x, mask); return _pdep_u64(x, mask);
} }
#else
static really_inline
u64a pdep64_impl(u64a x, u64a mask) {
return pdep64_impl_c(x, mask);
}
#endif #endif
/* compilers don't reliably synthesize the 32-bit ANDN instruction here, /* compilers don't reliably synthesize the 32-bit ANDN instruction here,