diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-8.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-8.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-8.c b/gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-8.c new file mode 100644 index 000000000..43a55f3a1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/fast-math-vect-reduc-8.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-require-effective-target vect_float } */ + +#include "tree-vect.h" + +extern float x[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +extern float y[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +extern float z[128] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); + +float f (unsigned n) +{ + float ret = 0.0; + unsigned i; + for (i = 0; i < n; i++) + { + float diff = x[i] - y[i]; + ret -= diff * diff * z[i]; + } + return ret; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |