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Lines 167-173
CountLeadingZeroes32(uint32_t x) {
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| 168 |
ABSL_ATTRIBUTE_ALWAYS_INLINE ABSL_INTERNAL_CONSTEXPR_CLZ inline int |
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ABSL_ATTRIBUTE_ALWAYS_INLINE ABSL_INTERNAL_CONSTEXPR_CLZ inline int |
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CountLeadingZeroes16(uint16_t x) { |
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CountLeadingZeroes16(uint16_t x) { |
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#if ABSL_HAVE_BUILTIN(__builtin_clzs) |
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#if ABSL_HAVE_BUILTIN(__builtin_clzg) |
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return x == 0 ? 16 : __builtin_clzg(x); |
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#elif ABSL_HAVE_BUILTIN(__builtin_clzs) |
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static_assert(sizeof(unsigned short) == sizeof(x), // NOLINT(runtime/int) |
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static_assert(sizeof(unsigned short) == sizeof(x), // NOLINT(runtime/int) |
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"__builtin_clzs does not take 16-bit arg"); |
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"__builtin_clzs does not take 16-bit arg"); |
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return x == 0 ? 16 : __builtin_clzs(x); |
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return x == 0 ? 16 : __builtin_clzs(x); |
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Lines 303-309
CountTrailingZeroesNonzero64(uint64_t x) {
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ABSL_ATTRIBUTE_ALWAYS_INLINE ABSL_INTERNAL_CONSTEXPR_CTZ inline int |
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ABSL_ATTRIBUTE_ALWAYS_INLINE ABSL_INTERNAL_CONSTEXPR_CTZ inline int |
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CountTrailingZeroesNonzero16(uint16_t x) { |
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CountTrailingZeroesNonzero16(uint16_t x) { |
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#if ABSL_HAVE_BUILTIN(__builtin_ctzs) |
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#if ABSL_HAVE_BUILTIN(__builtin_ctzg) |
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return __builtin_ctzg(x); |
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#elif ABSL_HAVE_BUILTIN(__builtin_ctzs) |
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static_assert(sizeof(unsigned short) == sizeof(x), // NOLINT(runtime/int) |
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static_assert(sizeof(unsigned short) == sizeof(x), // NOLINT(runtime/int) |
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"__builtin_ctzs does not take 16-bit arg"); |
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"__builtin_ctzs does not take 16-bit arg"); |
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return __builtin_ctzs(x); |
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return __builtin_ctzs(x); |
