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authorMatthew Macy <[email protected]>2019-10-01 13:17:32 -0700
committerBrian Behlendorf <[email protected]>2019-10-01 13:17:32 -0700
commit7111c86ca38c4513d036d3bf58e28a532b8ce137 (patch)
tree490e95d49b024de2f6437696b782732ae073989f /module/zfs
parentbd76e6817cb53ad621fc100d0ec01fcaacbb092e (diff)
Enable clang to use intrinsics for lz4
Reviewed-by: Igor Kozhukhov <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Matt Macy <[email protected]> Closes #9385
Diffstat (limited to 'module/zfs')
-rw-r--r--module/zfs/lz4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/module/zfs/lz4.c b/module/zfs/lz4.c
index c04cfa7ba..953c440df 100644
--- a/module/zfs/lz4.c
+++ b/module/zfs/lz4.c
@@ -383,7 +383,7 @@ static inline int
LZ4_NbCommonBytes(register U64 val)
{
#if defined(LZ4_BIG_ENDIAN)
-#if defined(__GNUC__) && (GCC_VERSION >= 304) && \
+#if ((defined(__GNUC__) && (GCC_VERSION >= 304)) || defined(__clang__)) && \
!defined(LZ4_FORCE_SW_BITCOUNT)
return (__builtin_clzll(val) >> 3);
#else
@@ -404,7 +404,7 @@ LZ4_NbCommonBytes(register U64 val)
return (r);
#endif
#else
-#if defined(__GNUC__) && (GCC_VERSION >= 304) && \
+#if ((defined(__GNUC__) && (GCC_VERSION >= 304)) || defined(__clang__)) && \
!defined(LZ4_FORCE_SW_BITCOUNT)
return (__builtin_ctzll(val) >> 3);
#else
@@ -426,7 +426,7 @@ static inline int
LZ4_NbCommonBytes(register U32 val)
{
#if defined(LZ4_BIG_ENDIAN)
-#if defined(__GNUC__) && (GCC_VERSION >= 304) && \
+#if ((defined(__GNUC__) && (GCC_VERSION >= 304)) || defined(__clang__)) && \
!defined(LZ4_FORCE_SW_BITCOUNT)
return (__builtin_clz(val) >> 3);
#else