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Use builtin intrinsics on intel #2450

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merged 2 commits into from
Aug 11, 2021
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Use builtin intrinsics on intel #2450

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4d52050
use builtin functions on intel
white238 Aug 10, 2021
898fe56
Address comments
white238 Aug 11, 2021
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white238 committed Aug 11, 2021

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commit 898fe56724c9cafc3f1553a43767360756d0dd1c
8 changes: 4 additions & 4 deletions include/fmt/format.h
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Original file line number Diff line number Diff line change
@@ -150,16 +150,16 @@ FMT_END_NAMESPACE

// __builtin_clz is broken in clang with Microsoft CodeGen:
// https://github.com/fmtlib/fmt/issues/519
#if (FMT_GCC_VERSION || FMT_ICC_VERSION || FMT_HAS_BUILTIN(__builtin_clz)) && !FMT_MSC_VER
#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clz) || FMT_ICC_VERSION) && !FMT_MSC_VER
# define FMT_BUILTIN_CLZ(n) __builtin_clz(n)
#endif
#if (FMT_GCC_VERSION || FMT_ICC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll)) && !FMT_MSC_VER
#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_clzll) || FMT_ICC_VERSION) && !FMT_MSC_VER
# define FMT_BUILTIN_CLZLL(n) __builtin_clzll(n)
#endif
#if (FMT_GCC_VERSION || FMT_ICC_VERSION || FMT_HAS_BUILTIN(__builtin_ctz))
#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctz) || FMT_ICC_VERSION)
# define FMT_BUILTIN_CTZ(n) __builtin_ctz(n)
#endif
#if (FMT_GCC_VERSION || FMT_ICC_VERSION || FMT_HAS_BUILTIN(__builtin_ctzll))
#if (FMT_GCC_VERSION || FMT_HAS_BUILTIN(__builtin_ctzll) || FMT_ICC_VERSION)
# define FMT_BUILTIN_CTZLL(n) __builtin_ctzll(n)
#endif