Viewing file:  swaps-p8-16.c (1.74 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-require-effective-target powerpc_p8vector_ok } */
/* { dg-options "-mdejagnu-cpu=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;
}
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