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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [prefetch-3.c] - Rev 328
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/* Prefetching used to prefer nonsensical unroll factor of 5 in this testcase. */ /* { dg-do compile { target i?86-*-* x86_64-*-* } } */ /* { dg-require-effective-target ilp32 } */ /* { dg-options "-O2 -fprefetch-loop-arrays -march=athlon -msse2 -mfpmath=sse -fdump-tree-aprefetch-details" } */ #define N 1000000 double a[N]; double test(void) { unsigned i; double sum = 0; for (i = 0; i < N; i += 2) sum += (a[i] * a[i+1]); return sum; } /* { dg-final { scan-tree-dump-times "unroll factor 4" 1 "aprefetch" } } */ /* { dg-final { cleanup-tree-dump "aprefetch" } } */
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