| /* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ |
| /* { dg-options "-O2 -m64 -fdump-tree-ivopts-details" } */ |
| |
| /* Make sure only one iv is selected after IVOPT. */ |
| |
| #include <x86intrin.h> |
| extern __m128i arr[], d[]; |
| void test (void) |
| { |
| unsigned int b; |
| for (b = 0; b < 1000; b += 2) { |
| __m128i *p = (__m128i *)(&d[b]); |
| __m128i a = _mm_load_si128(&arr[4*b+3]); |
| __m128i v = _mm_loadu_si128(p); |
| v = _mm_xor_si128(v, a); |
| _mm_storeu_si128(p, v); |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */ |
| /* { dg-final { cleanup-tree-dump "ivopts" } } */ |
