31 lines
764 B
C
31 lines
764 B
C
/* PR middle-end/38533 */
|
|
/* { dg-do compile } */
|
|
/* { dg-options "-O2 -fdump-tree-reassoc1" } */
|
|
|
|
#define A asm volatile ("" : "=r" (f) : "0" (0)); e |= f;
|
|
#define B A A A A A A A A A A A
|
|
#define C B B B B B B B B B B B
|
|
|
|
int
|
|
foo (void)
|
|
{
|
|
int e = 0, f;
|
|
C C B B B B B A A A A A A
|
|
return e;
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
if (foo ())
|
|
__builtin_abort ();
|
|
return 0;
|
|
}
|
|
|
|
/* Verify that reassoc hasn't increased register pressure too much
|
|
by moving all bitwise ors after the last __asm__. There should
|
|
be exactly 2 (first) __asm__ stmts with no intervening stmts,
|
|
all others should have some bitwise or in between. */
|
|
/* { dg-final { scan-tree-dump-times "__asm__\[^;\n]*;\n *__asm__" 1 "reassoc1"} } */
|
|
/* { dg-final { cleanup-tree-dump "reassoc1" } } */
|