File: swaps-p8-16.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 (57 lines) | stat: -rw-r--r-- 1,843 bytes parent folder | download | duplicates (8)
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
/* { dg-do compile { target { powerpc64le-*-* } } } */
/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
/* { dg-options "-mcpu=power8 -O3" } */
/* { dg-final { scan-assembler "lxvd2x" } } */
/* { dg-final { scan-assembler "stxvd2x" } } */
/* { dg-final { scan-assembler "vspltw" } } */
/* { dg-final { scan-assembler-not "xxpermdi" } } */

#include <altivec.h>
void abort();

typedef struct xx {vector double l; vector double h;} xx;

#define N 4096
#define M 10000000
vector float ca[N][4] = {0};
vector float cb[N][4] = {0};
vector float cc[N][4] = {0};

__attribute__((noinline)) void foo ()
{
  int i;
  vector float brow;

  for (i = 0; i < N; i++) {

    brow = cb[i][0];
    cc[i][0] = vec_mul(vec_splats(brow[0]), ca[i][0]);
    cc[i][0] = vec_madd(cc[i][0],vec_splats(brow[1]), ca[i][1]);
    cc[i][0] = vec_madd(cc[i][0],vec_splats(brow[2]), ca[i][2]);
    cc[i][0] = vec_madd(cc[i][0],vec_splats(brow[3]), ca[i][3]);

    brow = cb[i][1];
    cc[i][1] = vec_mul(vec_splats(brow[0]), ca[i][0]);
    cc[i][1] = vec_madd(cc[i][0],vec_splats(brow[1]), ca[i][1]);
    cc[i][1] = vec_madd(cc[i][0],vec_splats(brow[2]), ca[i][2]);
    cc[i][1] = vec_madd(cc[i][0],vec_splats(brow[3]), ca[i][3]);
    
    brow = cb[i][2];
    cc[i][2] = vec_mul(vec_splats(brow[0]), ca[i][0]);
    cc[i][2] = vec_madd(cc[i][0],vec_splats(brow[1]), ca[i][1]);
    cc[i][2] = vec_madd(cc[i][0],vec_splats(brow[2]), ca[i][2]);
    cc[i][2] = vec_madd(cc[i][0],vec_splats(brow[3]), ca[i][3]);
    
    brow = cb[i][3];
    cc[i][3] = vec_mul(vec_splats(brow[0]), ca[i][0]);
    cc[i][3] = vec_madd(cc[i][0],vec_splats(brow[1]), ca[i][1]);
    cc[i][3] = vec_madd(cc[i][0],vec_splats(brow[2]), ca[i][2]);
    cc[i][3] = vec_madd(cc[i][0],vec_splats(brow[3]), ca[i][3]);
  }
}

int main ()
{
  foo ();
  return 0;
}