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[X86] Make conversion of feature bits into a mask explicitly unsigned by using 1U instead of 1. 

llvm-svn: 347517
This commit is contained in:
Craig Topper 2018-11-24 20:25:45 +00:00
parent 62e5924dd6
commit 428caa398c
1 changed files with 6 additions and 6 deletions
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12
compiler-rt/lib/builtins/cpu_model.c
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@ -462,12 +462,12 @@ static void getAvailableFeatures(unsigned ECX, unsigned EDX, unsigned MaxLeaf,
unsigned Features2 = 0;
unsigned EAX, EBX;
#define setFeature(F) \
do { \
if (F < 32) \
Features |= 1 << (F & 0x1f) \
else if (F < 64) \
Features2 |= 1 << (F & 0x1f); \
#define setFeature(F) \
do { \
if (F < 32) \
Features |= 1U << (F & 0x1f) \
else if (F < 64) \
Features2 |= 1U << ((F - 32) & 0x1f); \
} while (0)
if ((EDX >> 15) & 1)