diff options
Diffstat (limited to 'internal/bits.h')
| -rw-r--r-- | internal/bits.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/internal/bits.h b/internal/bits.h index 2602ff7a31..6248e4cfa9 100644 --- a/internal/bits.h +++ b/internal/bits.h @@ -34,8 +34,7 @@ # include <stdlib.h> /* for _byteswap_uint64 */ #endif -#if defined(HAVE_X86INTRIN_H) && ! defined(MJIT_HEADER) -# /* Rule out MJIT_HEADER, which does not interface well with <immintrin.h> */ +#if defined(HAVE_X86INTRIN_H) # include <x86intrin.h> /* for _lzcnt_u64 */ #elif MSC_VERSION_SINCE(1310) # include <intrin.h> /* for the following intrinsics */ @@ -235,7 +234,7 @@ nlz_int32(uint32_t x) * safety. */ return (unsigned int)__lzcnt(x); -#elif defined(__x86_64__) && defined(__LZCNT__) && ! defined(MJIT_HEADER) +#elif defined(__x86_64__) && defined(__LZCNT__) return (unsigned int)_lzcnt_u32(x); #elif MSC_VERSION_SINCE(1400) /* &&! defined(__AVX2__) */ @@ -264,7 +263,7 @@ nlz_int64(uint64_t x) #if defined(_MSC_VER) && defined(__AVX2__) return (unsigned int)__lzcnt64(x); -#elif defined(__x86_64__) && defined(__LZCNT__) && ! defined(MJIT_HEADER) +#elif defined(__x86_64__) && defined(__LZCNT__) return (unsigned int)_lzcnt_u64(x); #elif defined(_WIN64) && MSC_VERSION_SINCE(1400) /* &&! defined(__AVX2__) */ @@ -450,7 +449,7 @@ rb_popcount_intptr(uintptr_t x) static inline int ntz_int32(uint32_t x) { -#if defined(__x86_64__) && defined(__BMI__) && ! defined(MJIT_HEADER) +#if defined(__x86_64__) && defined(__BMI__) return (unsigned)_tzcnt_u32(x); #elif MSC_VERSION_SINCE(1400) @@ -472,7 +471,7 @@ ntz_int32(uint32_t x) static inline int ntz_int64(uint64_t x) { -#if defined(__x86_64__) && defined(__BMI__) && ! defined(MJIT_HEADER) +#if defined(__x86_64__) && defined(__BMI__) return (unsigned)_tzcnt_u64(x); #elif defined(_WIN64) && MSC_VERSION_SINCE(1400) |