diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ldist-33.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ldist-33.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ldist-33.c b/gcc/testsuite/gcc.dg/tree-ssa/ldist-33.c new file mode 100644 index 00000000000..24d27fde9da --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ldist-33.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ftree-loop-distribution -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */ + +#define N (1024) +double a[N][N], b[N][N], c[N][N]; + +void +foo (void) +{ + unsigned i, j, k; + + for (i = 0; i < N; ++i) + for (j = 0; j < N; ++j) + { + c[i][j] = 0.0; + for (k = 0; k < N; ++k) + c[i][j] += a[i][k] * b[k][j]; + } +} + +/* { dg-final { scan-tree-dump "Loop nest . distributed: split to 1 loops and 1 library" "ldist" } } */ |