| /* { dg-do compile } */ |
| /* { dg-require-effective-target size32plus } */ |
| |
| typedef unsigned long long uint64_t; |
| |
| #define n 4096 |
| double A[n][n] __attribute__((aligned(16))); |
| double B[n][n] __attribute__((aligned(16))); |
| double C[n][n] __attribute__((aligned(16))); |
| |
| #define tilesize 128 |
| |
| typedef double adouble __attribute__((__aligned__(16))); |
| |
| void foo () |
| { |
| int ih, jh, kh, il, kl, jl; |
| for (ih = 0; ih < n; ih += tilesize) |
| for (jh = 0; jh < n; jh += tilesize) |
| for (kh = 0; kh < n; kh += tilesize) |
| for (il = 0; il < tilesize; ++il) |
| { |
| adouble *Ap = (adouble *)&A[ih+il][kh]; |
| for (kl = 0; kl < tilesize; ++kl) |
| for (jl = 0; jl < tilesize; ++jl) |
| C[ih+il][jh+jl] += Ap[kl] * B[kh+kl][jh+jl]; |
| } |
| } |
