diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/torture/pr54894.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/torture/pr54894.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr54894.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr54894.c new file mode 100644 index 000000000..f243ec788 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr54894.c @@ -0,0 +1,28 @@ +/* { 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]; + } +} |