File: pr82004.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 (32 lines) | stat: -rw-r--r-- 566 bytes parent folder | download | duplicates (4) 
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
30
31
32
 
/* PR tree-optimization/82004 */
/* { dg-do run } */
/* { dg-options "-Ofast" } */

extern double log10 (double);
extern double pow (double, double);

__attribute__((noipa)) void
bar (double x)
{
  if (x < 0.001)
    __builtin_abort ();
  asm volatile ("" : : : "memory");
}

int
main ()
{
  double d = 0.001;
  double e = 10.0;
  double f = (log10 (e) - log10 (d)) / 400.0;
  double g = log10 (d) - f;
  volatile int q = 0;
  int i;
  if (__builtin_expect (q == 0, 0))
    for (i = 0; i < 400; ++i)
      {
	g = g + f;
	bar (pow (10.0, g));
      }
  return 0;  
}