File: ldist-13.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (20 lines) | stat: -rw-r--r-- 443 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
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-details" } */

float * __restrict__ x;
float * __restrict__ y;

float foo (int n)
{
  int i;
  float tmp = 0.0;
  for (i = 0; i < n; ++i)
    {
      x[i] = 0.0;
      tmp += y[i];
    }
  return tmp;
}

/* Distributing the loop doesn't expose more parallelism.  */
/* { dg-final { scan-tree-dump-not "Loop 1 distributed: split to 2 loops" "ldist" } } */