diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/pr120687-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr120687-1.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr120687-1.c b/gcc/testsuite/gcc.dg/vect/pr120687-1.c new file mode 100644 index 0000000..ce9cf63 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr120687-1.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target vect_int } */ + +unsigned +frd (unsigned *p, unsigned *lastone) +{ + unsigned sum = 0; + for (; p <= lastone; p += 16) + sum += p[0] + p[1] + p[2] + p[3] + p[4] + p[5] + p[6] + p[7] + + p[8] + p[9] + p[10] + p[11] + p[12] + p[13] + p[14] + p[15]; + return sum; +} + +/* { dg-final { scan-tree-dump "reduction: detected reduction chain" "vect" } } */ +/* { dg-final { scan-tree-dump-not "SLP discovery of reduction chain failed" "vect" } } */ +/* { dg-final { scan-tree-dump "optimized: loop vectorized" "vect" } } */ |