diff options
Diffstat (limited to 'gcc/cfgexpand.c')
| -rw-r--r-- | gcc/cfgexpand.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c index 257ddfc..f278eb2 100644 --- a/gcc/cfgexpand.c +++ b/gcc/cfgexpand.c @@ -4961,9 +4961,11 @@ expand_debug_expr (tree exp) case VECTOR_CST: { - unsigned i, nelts; + unsigned HOST_WIDE_INT i, nelts; + + if (!VECTOR_CST_NELTS (exp).is_constant (&nelts)) + return NULL; - nelts = VECTOR_CST_NELTS (exp); op0 = gen_rtx_CONCATN (mode, rtvec_alloc (nelts)); for (i = 0; i < nelts; ++i) @@ -4983,10 +4985,13 @@ expand_debug_expr (tree exp) else if (TREE_CODE (TREE_TYPE (exp)) == VECTOR_TYPE) { unsigned i; + unsigned HOST_WIDE_INT nelts; tree val; - op0 = gen_rtx_CONCATN - (mode, rtvec_alloc (TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp)))); + if (!TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp)).is_constant (&nelts)) + goto flag_unsupported; + + op0 = gen_rtx_CONCATN (mode, rtvec_alloc (nelts)); FOR_EACH_CONSTRUCTOR_VALUE (CONSTRUCTOR_ELTS (exp), i, val) { @@ -4996,7 +5001,7 @@ expand_debug_expr (tree exp) XVECEXP (op0, 0, i) = op1; } - if (i < TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp))) + if (i < nelts) { op1 = expand_debug_expr (build_zero_cst (TREE_TYPE (TREE_TYPE (exp)))); @@ -5004,7 +5009,7 @@ expand_debug_expr (tree exp) if (!op1) return NULL; - for (; i < TYPE_VECTOR_SUBPARTS (TREE_TYPE (exp)); i++) + for (; i < nelts; i++) XVECEXP (op0, 0, i) = op1; } |