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authorLioncash <mathew1800@gmail.com>2021-01-15 08:02:57 +0100
committerLioncash <mathew1800@gmail.com>2021-01-15 08:15:32 +0100
commit8620de6b2030bef35360d029354f672cde8978f1 (patch)
treeed1f105b1fef3fc9a5209c5106accaaee283ebf2 /src/common
parentMerge pull request #5354 from ReinUsesLisp/remove-common-color (diff)
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Diffstat (limited to 'src/common')
-rw-r--r--src/common/bit_util.h76
1 files changed, 0 insertions, 76 deletions
diff --git a/src/common/bit_util.h b/src/common/bit_util.h
index 29f59a9a3..685e7fc9b 100644
--- a/src/common/bit_util.h
+++ b/src/common/bit_util.h
@@ -22,82 +22,6 @@ template <typename T>
}
#ifdef _MSC_VER
-[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) {
- unsigned long leading_zero = 0;
-
- if (_BitScanReverse(&leading_zero, value) != 0) {
- return 31 - leading_zero;
- }
-
- return 32;
-}
-
-[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) {
- unsigned long leading_zero = 0;
-
- if (_BitScanReverse64(&leading_zero, value) != 0) {
- return 63 - leading_zero;
- }
-
- return 64;
-}
-#else
-[[nodiscard]] inline u32 CountLeadingZeroes32(u32 value) {
- if (value == 0) {
- return 32;
- }
-
- return static_cast<u32>(__builtin_clz(value));
-}
-
-[[nodiscard]] inline u32 CountLeadingZeroes64(u64 value) {
- if (value == 0) {
- return 64;
- }
-
- return static_cast<u32>(__builtin_clzll(value));
-}
-#endif
-
-#ifdef _MSC_VER
-[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) {
- unsigned long trailing_zero = 0;
-
- if (_BitScanForward(&trailing_zero, value) != 0) {
- return trailing_zero;
- }
-
- return 32;
-}
-
-[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) {
- unsigned long trailing_zero = 0;
-
- if (_BitScanForward64(&trailing_zero, value) != 0) {
- return trailing_zero;
- }
-
- return 64;
-}
-#else
-[[nodiscard]] inline u32 CountTrailingZeroes32(u32 value) {
- if (value == 0) {
- return 32;
- }
-
- return static_cast<u32>(__builtin_ctz(value));
-}
-
-[[nodiscard]] inline u32 CountTrailingZeroes64(u64 value) {
- if (value == 0) {
- return 64;
- }
-
- return static_cast<u32>(__builtin_ctzll(value));
-}
-#endif
-
-#ifdef _MSC_VER
[[nodiscard]] inline u32 MostSignificantBit32(const u32 value) {
unsigned long result;