diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-10.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-10.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-10.c b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-10.c new file mode 100644 index 00000000000..7cb6240aea3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa-vect/tree-ssa-vect-10.c @@ -0,0 +1,27 @@ +/* { dg-do compile { target powerpc*-*-* i?86-*-* } } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */ +/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* } } */ + +#define N 16 + +short a[N]; +short d[N]; + +int foo () +{ + int i; + short b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45}; + short c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}; + + + /* Not vetorizable yet (strided access pattern). */ + for (i = 0; i < N/2; i++) + { + a[i] = b[2*i+1] * c[2*i+1] - b[2*i] * c[2*i]; + d[i] = b[2*i] * c[2*i+1] + b[2*i+1] * c[2*i]; + } + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */ |