Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/slsr-25.c @ 158:494b0b89df80 default tip
...
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* Verify straight-line strength reduction for multiply candidates with variable stride and control flow, increment = -1. */ /* { 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 - 1; a += x1 * stride; x2 = x1 - 1; a += x2 * stride; } else { x3 = x - 1; a += x3 * stride; } return a; } /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */