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Diffstat (limited to 'gcc/config/i386/mmintrin.h')
-rw-r--r--gcc/config/i386/mmintrin.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/i386/mmintrin.h b/gcc/config/i386/mmintrin.h
index 41dc4be6d6e..88e384f8011 100644
--- a/gcc/config/i386/mmintrin.h
+++ b/gcc/config/i386/mmintrin.h
@@ -31,7 +31,7 @@
#define _MMINTRIN_H_INCLUDED
/* The data type intended for user use. */
-typedef unsigned long long __m64;
+typedef unsigned long long __m64 __attribute__ ((__aligned__ (8)));
/* Internal data types for implementing the intrinsics. */
typedef int __v2si __attribute__ ((__mode__ (__V2SI__)));
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