diff options
| author | Dominique d'Humieres <dominiq@lps.ens.fr> | 2017-01-09 23:00:32 +0100 |
|---|---|---|
| committer | Dominique d'Humieres <dominiq@gcc.gnu.org> | 2017-01-09 23:00:32 +0100 |
| commit | 852a63c540fff78a95e77a42c5f08d6a25ffc797 (patch) | |
| tree | ebb67a1ef4329951c9f5f2e536a3426e22d41668 | |
| parent | b5acc7a1be7aac0e78ba3e8b556ce207c80ca728 (diff) | |
| download | gcc-852a63c540fff78a95e77a42c5f08d6a25ffc797.zip gcc-852a63c540fff78a95e77a42c5f08d6a25ffc797.tar.gz gcc-852a63c540fff78a95e77a42c5f08d6a25ffc797.tar.bz2 | |
re PR target/71017 (libgcc/config/i386/cpuinfo.c:346:17: runtime error: left shift of 1 by 31 places cannot be represented in type 'int')
PR target/71017
* config/i386/cpuid.h: Fix undefined behavior.
From-SVN: r244248
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/cpuid.h | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ed75ea8..4b2bd76 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-01-09 Dominique d'Humieres <dominiq@lps.ens.fr> + + PR target/71017 + * config/i386/cpuid.h: Fix undefined behavior. + 2017-01-04 Jeff Law <law@redhat.com> PR tree-optimization/79007 diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h index c23a493..fdd7e15 100644 --- a/gcc/config/i386/cpuid.h +++ b/gcc/config/i386/cpuid.h @@ -91,7 +91,7 @@ #define bit_AVX512CD (1 << 28) #define bit_SHA (1 << 29) #define bit_AVX512BW (1 << 30) -#define bit_AVX512VL (1 << 31) +#define bit_AVX512VL (1u << 31) /* %ecx */ #define bit_PREFETCHWT1 (1 << 0) |