Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/predcom-3.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details -fno-tree-pre" } */ int a[1000], b[1000]; void test(void) { int i; for (i = 1; i < 999; i++) b[i] = (a[i + 1] + a[i] + a[i - 1]) / 3; } /* Verify that we used 3 temporary variables for the loop. */ /* { dg-final { scan-tree-dump-times "Unrolling 3 times." 1 "pcom"} } */