1 /* { dg-do compile } */
2 /* { dg-options "-O2 --param tree-reassoc-width=2 -fdump-tree-reassoc1" } */
3
4 unsigned int
foo(void)5 foo (void)
6 {
7 unsigned int a = 0;
8 unsigned int b;
9
10 asm volatile ("" : "=r" (b) : "0" (0));
11 a += b;
12 asm volatile ("" : "=r" (b) : "0" (0));
13 a += b;
14 asm volatile ("" : "=r" (b) : "0" (0));
15 a += b;
16 asm volatile ("" : "=r" (b) : "0" (0));
17 a += b;
18
19 return a;
20 }
21
22 /* Verify there are two pairs of __asm__ statements with no
23 intervening stmts. */
24 /* { dg-final { scan-tree-dump-times "__asm__\[^;\n]*;\n *__asm__" 2 "reassoc1"} } */
25