File: pr28726.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (29 lines) | stat: -rw-r--r-- 522 bytes parent folder | download | duplicates (10) 
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 rtl-optimization/28726 */
/* Origin: Sigurd Schneider <sg313d@gmail.com> */

/* { dg-do run } */
/* { dg-options "-O2 -fsched2-use-superblocks" } */

extern void abort (void);

static double my_loop(void) __attribute__((noinline));

static double my_loop(void)
{
  double retval = 0.0;
  const unsigned char *start = "\005\b\000";
  const unsigned char *const end = start + 2;

  while (start < end)
    retval += *start++;

  return retval;
}

int main(void)
{
  if (my_loop() != 13.0)
    abort ();

  return 0;
}