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/* { dg-do compile } */
/* { dg-options "-O2 --param tree-reassoc-width=2 -fdump-tree-reassoc2" } */
unsigned int
foo (void)
{
unsigned int a = 0;
unsigned int b;
asm volatile ("" : "=r" (b) : "0" (0));
a += b;
asm volatile ("" : "=r" (b) : "0" (0));
a += b;
asm volatile ("" : "=r" (b) : "0" (0));
a += b;
asm volatile ("" : "=r" (b) : "0" (0));
a += b;
return a;
}
/* Verify there are two pairs of __asm__ statements with no
intervening stmts. */
/* { dg-final { scan-tree-dump-times "__asm__\[^;\n]*;\n *__asm__" 2 "reassoc2"} } */
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