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comparison gcc/testsuite/gcc.dg/pr87485.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 /* PR rtl-optimization/87485 */
2 /* { dg-do compile { target int128 } } */
3 /* { dg-options "-O2 -fschedule-insns -fno-guess-branch-probability -fno-isolate-erroneous-paths-dereference -fno-omit-frame-pointer -fno-split-wide-types -fno-tree-ccp -fno-tree-sra" } */
4 /* { dg-additional-options "-fstack-protector-strong" { target fstack_protector } } */
5
6 int *a;
7
8 int
9 foo (__int128 x, int y, int z)
10 {
11 __int128 b;
12 *a = ((!!y ? y : x) * y | x) * 2;
13 if (z == 0)
14 {
15 unsigned int c = 1;
16 __int128 *d = &b;
17 for (*a = 0; *a < 1; *a += y)
18 ;
19 *a += b < (c / 0); /* { dg-warning "division by zero" } */
20 goto l;
21 m:
22 while (b < 1)
23 ;
24 ++*a;
25 }
26 goto m;
27 l:
28 return 0;
29 }