diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/vect-mask-epilogue-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/vect-mask-epilogue-2.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/vect-mask-epilogue-2.c b/gcc/testsuite/gcc.target/i386/vect-mask-epilogue-2.c new file mode 100644 index 0000000..3dc28b3 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/vect-mask-epilogue-2.c @@ -0,0 +1,14 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -march=znver5 -fdump-tree-vect-optimized" } */ + +void foo (double *a, double b, double c, int n, int m) +{ + for (int j = 0; j < m; ++j) + for (int i = 0; i < n; ++i) + a[j*n + i] = a[j*n + i] * b + c; +} + +/* We do not want to use a masked epilogue for the inner loop as the next + outer iteration will possibly immediately read from elements masked of + the previous inner loop epilogue and that never forwards. */ +/* { dg-final { scan-tree-dump "epilogue loop vectorized using 32 byte vectors" "vect" } } */ |