diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/mmx-5.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/mmx-5.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/mmx-5.c b/gcc/testsuite/gcc.target/i386/mmx-5.c new file mode 100644 index 00000000000..6021825a47d --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/mmx-5.c @@ -0,0 +1,18 @@ +/* PR rtl-optimization/17853 */ +/* Contributed by Stuart Hastings <stuart@apple.com> */ +/* { dg-do compile { target i?86-*-* x86_64-*-* } } */ +/* { dg-options "-O2 -mmmx" } */ +#include <mmintrin.h> +#include <stdlib.h> + +__m64 global_mask; + +int main() +{ + __m64 zero = _mm_setzero_si64(); + __m64 mask = _mm_cmpeq_pi8( zero, zero ); + mask = _mm_unpacklo_pi8( mask, zero ); + global_mask = mask; + return 0; +} + |