File: simd2.c

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (29 lines) | stat: -rw-r--r-- 690 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
 
/* { dg-do compile } */
/* { dg-options "-fopenmp" } */
/* { dg-additional-options "-std=c99" { target c } } */

extern int a[13][13][13][13], k, l, m;

void
foo (int *q, float *p)
{
  int i, j, n, o;
#pragma omp simd collapse (4) linear(k : m + 1) aligned(p, q)
  for (i = 0; i < 13; i++)
    for (j = 0; j < 13; j++)
      for (n = 0; n < 13; n++)
	for (o = 0; o < 13; o += 2)
	  q[k] *= p[k] + 7 * i + 14 * j + 21 * n + 28 * o, k += m + 1;
}

void
bar (float *p)
{
  int i, j, n, o;
#pragma omp simd collapse (4) linear(k : m + 1)
  for (i = 0; i < 13; i++)
    for (j = 0; j < 13; j++)
      for (n = 0; n < 13; n++)
	for (o = 0; o < 13; o += 2)
	  a[i][j][n][o] *= p[k], k += m + 1;
}