Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/slsr-26.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* Verify straight-line strength reduction for multiply candidates with variable stride and control flow, increment = -3. */ /* { dg-do compile } */ /* { dg-options "-O3 -fdump-tree-optimized" } */ int f (int n, int x, int stride) { int a, x1, x2, x3; a = x * stride; if (n > 64) { x1 = x - 3; a += x1 * stride; x2 = x1 - 3; a += x2 * stride; } else { x3 = x - 3; a += x3 * stride; } return a; } /* { dg-final { scan-tree-dump-times " \\* stride" 1 "optimized" } } */ /* { dg-final { scan-tree-dump-times " \\* 3" 1 "optimized" } } */