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use C implementation of popcount for arm

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This commit is contained in:
Konstantinos Margaritis 2020-10-07 14:28:45 +03:00
parent 4c924cc920
commit 5d773dd9db
2 changed files with 6 additions and 2 deletions
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4
src/util/arch/common/popcount.h
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@ -53,8 +53,8 @@ u32 popcount64_impl_c(u64a x) {
return (x * 0x0101010101010101) >> 56; return (x * 0x0101010101010101) >> 56;
#else #else
// Synthesise from two 32-bit cases. // Synthesise from two 32-bit cases.
return popcount32_impl(x >> 32) + popcount32_impl(x); return popcount32_impl_c(x >> 32) + popcount32_impl_c(x);
#endif #endif
} }
#endif // POPCOUNT_ARCH_COMMON_H #endif // POPCOUNT_ARCH_COMMON_H

4
src/util/popcount.h
View File

@ -39,6 +39,10 @@
#if defined(ARCH_IA32) || defined(ARCH_X86_64) #if defined(ARCH_IA32) || defined(ARCH_X86_64)
#include "util/arch/x86/popcount.h" #include "util/arch/x86/popcount.h"
#else
#include "util/arch/common/popcount.h"
#define popcount32_impl(x) popcount32_impl_c(x)
#define popcount64_impl(x) popcount64_impl_c(x)
#endif #endif
static really_inline static really_inline