diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-108.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-108.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-108.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-108.c new file mode 100644 index 0000000..a13e972 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-108.c @@ -0,0 +1,30 @@ +/* { dg-do compile } */ +/* { dg-options "-O -Wno-psabi -fdump-tree-fre1" } */ + +#define vector16 __attribute__((vector_size(16))) +#define vector32 __attribute__((vector_size(32))) + +union u1 +{ + struct s1 + { + vector16 int hi; + vector16 int low; + }hilow; + vector32 int v; +}; + +vector16 float f(vector16 int a, vector16 int b) +{ + union u1 c; + c.hilow.hi = a; + c.hilow.low = b; + vector32 int d0 = c.v; + vector32 float d = (vector32 float)d0; + vector16 float e = __builtin_shufflevector (d, d, 0, 1, 2, 3); + vector16 float f = __builtin_shufflevector (d, d, 4, 5, 6, 7); + return e/f; +} + +/* { dg-final { scan-tree-dump-times "_\[0-9\]\+ = VIEW_CONVERT_EXPR" 2 "fre1" } } */ +/* { dg-final { scan-tree-dump-not "BIT_FIELD_REF" "fre1" } } */ |