Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/loop-versioning-3.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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/* { dg-options "-O3 -fdump-tree-lversion-details" } */ /* Versioning these loops for when both steps are 1 allows loop interchange, but otherwise isn't worthwhile. At the moment we decide not to version. */ void f1 (double x[][100], int step1, int step2, int n) { for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) x[j * step1][i * step2] = 100; } void f2 (double x[][100], int step1, int step2, int limit) { for (int i = 0; i < limit; i += step1) for (int j = 0; j < limit; j += step2) x[j][i] = 100; } /* { dg-final { scan-tree-dump-not {want to version} "lversion" } } */ /* { dg-final { scan-tree-dump-not {versioned} "lversion" } } */