/* { dg-options "-O3 -fdump-tree-lversion-details" } */ /* { dg-require-effective-target size32plus } */ /* Versioning for step == 1 in these loops would allow loop interchange, but otherwise isn't worthwhile. At the moment we decide not to version. */ void f1 (double x[][100], int step, int n) { for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) x[j * step][i] = 100; } void f2 (double x[][100], int step, int n) { for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) x[j][i * step] = 100; } void f3 (double x[][100], int step, int limit) { for (int i = 0; i < 100; ++i) for (int j = 0; j < limit; j += step) x[j][i] = 100; } void f4 (double x[][100], int step, int limit) { for (int i = 0; i < limit; i += step) for (int j = 0; j < 100; ++j) x[j][i] = 100; } double x[100][100]; void g1 (int step, int n) { for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) x[j * step][i] = 100; } void g2 (int step, int n) { for (int i = 0; i < n; ++i) for (int j = 0; j < n; ++j) x[j][i * step] = 100; } void g3 (int step, int limit) { for (int i = 0; i < 100; ++i) for (int j = 0; j < limit; j += step) x[j][i] = 100; } void g4 (int step, int limit) { for (int i = 0; i < limit; i += step) for (int j = 0; j < 100; ++j) x[j][i] = 100; } /* { dg-final { scan-tree-dump-not {want to version} "lversion" } } */ /* { dg-final { scan-tree-dump-not {versioned} "lversion" } } */