File: pr108684-1.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 (18 lines) | stat: -rw-r--r-- 493 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */


static int t;

int f (int *a)
{
  int t1, t2 = 0;
  asm ("shouldshowupstill %1" : "=r" (t1), "=m"(t2) : : );
  t = t1;
  return t2;
}

/* Check to make sure DCE does not remove the inline-asm as it writes to t2. */
/* We used to DCE this inline-asm when removing the store to t. */
/* { dg-final { scan-assembler "shouldshowupstill" } } */
/* { dg-final { scan-tree-dump-times "shouldshowupstill" 1 "optimized" } } */