Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ /* { dg-options "-O2 -fprefetch-loop-arrays -march=amdfam10 --param simultaneous-prefetches=100 -fdump-tree-aprefetch-details -fdump-tree-optimized" } */ #define K 1000000 int a[K]; void test() { unsigned i; /* Nontemporal store should be used for a. */ for (i = 0; i < K; i++) a[i] = 0; } /* { dg-final { scan-tree-dump-times "a nontemporal store" 1 "aprefetch" } } */ /* { dg-final { scan-tree-dump "=\\{nt\\}" "optimized" } } */ /* { dg-final { scan-tree-dump-times "__builtin_ia32_mfence" 1 "optimized" } } */