File: pr38533.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (29 lines) | stat: -rw-r--r-- 741 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
/* 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"} } */