diff options
Diffstat (limited to 'main/gcc/48_all_x86_pr53113_libitm-avx.patch')
| -rw-r--r-- | main/gcc/48_all_x86_pr53113_libitm-avx.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/main/gcc/48_all_x86_pr53113_libitm-avx.patch b/main/gcc/48_all_x86_pr53113_libitm-avx.patch new file mode 100644 index 000000000..b17653023 --- /dev/null +++ b/main/gcc/48_all_x86_pr53113_libitm-avx.patch @@ -0,0 +1,28 @@ +libitm checks for AVX support in the assembler and adds -mavx to x86_avx.cc +which defines the needed typedefs. User CFLAGS can override -mavx however, +so also use the fallback typedef if __AVX__ isn't defined. + +https://bugs.gentoo.org/417271 +http://gcc.gnu.org/PR53113 + + +--- a/libitm/config/x86/x86_avx.cc ++++ b/libitm/config/x86/x86_avx.cc +@@ -29,7 +29,7 @@ + + extern "C" { + +-#ifndef HAVE_AS_AVX ++#if !defined (HAVE_AS_AVX) || !defined(__AVX__) + // If we don't have an AVX capable assembler, we didn't set -mavx on the + // command-line either, which means that libitm.h defined neither this type + // nor the functions in this file. Define the type and unconditionally +@@ -40,7 +40,7 @@ typedef float _ITM_TYPE_M256 __attribute__((vector_size(32), may_alias)); + // Re-define the memcpy implementations so that we can frob the + // interface to deal with possibly missing AVX instruction set support. + +-#ifdef HAVE_AS_AVX ++#if defined(HAVE_AS_AVX) && defined(__AVX__) + #define RETURN(X) return X + #define STORE(X,Y) X = Y + #define OUTPUT(T) _ITM_TYPE_##T |