Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/tree-ssa/slsr-7.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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68:561a7518be6b 111:04ced10e8804
1 /* Verify straight-line strength reduction for simple integer subtraction. */
2
3 /* { dg-do compile } */
4 /* { dg-options "-O3 -fdump-tree-optimized" } */
5
6 int
7 f (int s, int c)
8 {
9 int a1, a2, a3, x1, x2, x3, x;
10
11 a1 = 2 * s;
12 x1 = c - a1;
13 a2 = 4 * s;
14 x2 = c - a2;
15 a3 = 6 * s;
16 x3 = c - a3;
17 x = x1 + x2 + x3;
18 return x;
19 }
20
21 /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */