diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/vector-3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/vector-3.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vector-3.c b/gcc/testsuite/gcc.dg/tree-ssa/vector-3.c new file mode 100644 index 000000000..15a700c65 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/vector-3.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-w -O1 -fdump-tree-optimized" } */ + +#define vector __attribute((vector_size(16) )) +vector float a; + +float f(float b) +{ + vector float c = {0, 0, 0, 0}; + vector float d = {0, 0, 0, 0}; + d += c; + return ((float*)&c)[2]; +} + +/* We should be able to optimize this to just "return 0.0;" */ +/* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 0 "optimized"} } */ +/* { dg-final { scan-tree-dump-times "0.0" 1 "optimized"} } */ + +/* { dg-final { cleanup-tree-dump "optimized" } } */ + |