diff options
Diffstat (limited to 'contrib/gcc/dwarf2out.c')
-rw-r--r-- | contrib/gcc/dwarf2out.c | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/contrib/gcc/dwarf2out.c b/contrib/gcc/dwarf2out.c index 18ea2ad..25a906b 100644 --- a/contrib/gcc/dwarf2out.c +++ b/contrib/gcc/dwarf2out.c @@ -10065,6 +10065,43 @@ rtl_for_decl_init (tree init, tree type) else if (initializer_constant_valid_p (init, type) && ! walk_tree (&init, reference_to_unused, NULL, NULL)) { + /* Convert vector CONSTRUCTOR initializers to VECTOR_CST if + possible. */ + if (TREE_CODE (type) == VECTOR_TYPE) + switch (TREE_CODE (init)) + { + case VECTOR_CST: + break; + case CONSTRUCTOR: + if (TREE_CONSTANT (init)) + { + VEC(constructor_elt,gc) *elts = CONSTRUCTOR_ELTS (init); + bool constant_p = true; + tree value; + unsigned HOST_WIDE_INT ix; + + /* Even when ctor is constant, it might contain non-*_CST + elements (e.g. { 1.0/0.0 - 1.0/0.0, 0.0 }) and those don't + belong into VECTOR_CST nodes. */ + FOR_EACH_CONSTRUCTOR_VALUE (elts, ix, value) + if (!CONSTANT_CLASS_P (value)) + { + constant_p = false; + break; + } + + if (constant_p) + { + init = build_vector_from_ctor (type, elts); + break; + } + } + /* FALLTHRU */ + + default: + return NULL; + } + rtl = expand_expr (init, NULL_RTX, VOIDmode, EXPAND_INITIALIZER); /* If expand_expr returns a MEM, it wasn't immediate. */ @@ -13197,7 +13234,8 @@ gen_decl_die (tree decl, dw_die_ref context_die) was generated within the original definition of an inline function) we have to generate a special (abbreviated) DW_TAG_structure_type, DW_TAG_union_type, or DW_TAG_enumeration_type DIE here. */ - if (TYPE_DECL_IS_STUB (decl) && decl_ultimate_origin (decl) != NULL_TREE) + if (TYPE_DECL_IS_STUB (decl) && decl_ultimate_origin (decl) != NULL_TREE + && is_tagged_type (TREE_TYPE (decl))) { gen_tagged_type_instantiation_die (TREE_TYPE (decl), context_die); break; |