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Clarify no-tree-vectorize usage for ICC and LCC

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makise-homura
2021-07-14 20:00:44 +03:00
parent a5f518ae27
commit 3cd085cec3
1 changed files with 2 additions and 1 deletions
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lib/common/compiler.h
+2 -1
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@@ -150,7 +150,8 @@
} }
/* vectorization /* vectorization
* older GCC (pre gcc-4.3 picked as the cutoff) uses a different syntax */ * older GCC (pre gcc-4.3 picked as the cutoff) uses a different syntax,
* and some compilers, like Intel ICC and MCST LCC, do not support it at all. */
#if !defined(__INTEL_COMPILER) && !defined(__clang__) && defined(__GNUC__) && !defined(__LCC__) #if !defined(__INTEL_COMPILER) && !defined(__clang__) && defined(__GNUC__) && !defined(__LCC__)
# if (__GNUC__ == 4 && __GNUC_MINOR__ > 3) || (__GNUC__ >= 5) # if (__GNUC__ == 4 && __GNUC_MINOR__ > 3) || (__GNUC__ >= 5)
# define DONT_VECTORIZE __attribute__((optimize("no-tree-vectorize"))) # define DONT_VECTORIZE __attribute__((optimize("no-tree-vectorize")))