| /* PR middle-end/38533 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 --param tree-reassoc-width=1 -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"} } */ |
