diff options
Diffstat (limited to 'gcc/c-gimplify.c')
-rw-r--r-- | gcc/c-gimplify.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/c-gimplify.c b/gcc/c-gimplify.c index 7ddc88c..2a3803a 100644 --- a/gcc/c-gimplify.c +++ b/gcc/c-gimplify.c @@ -183,6 +183,20 @@ gimplify_compound_literal_expr (tree *expr_p, tree *pre_p) { tree decl_s = COMPOUND_LITERAL_EXPR_DECL_STMT (*expr_p); tree decl = DECL_EXPR_DECL (decl_s); + /* Mark the decl as addressable if the compound literal + expression is addressable now, otherwise it is marked too late + after we gimplify the initialization expression. */ + if (TREE_ADDRESSABLE (*expr_p)) + TREE_ADDRESSABLE (decl) = 1; + + /* Preliminarily mark non-addressed complex variables as eligible + for promotion to gimple registers. We'll transform their uses + as we find them. */ + if ((TREE_CODE (TREE_TYPE (decl)) == COMPLEX_TYPE + || TREE_CODE (TREE_TYPE (decl)) == VECTOR_TYPE) + && !TREE_THIS_VOLATILE (decl) + && !needs_to_live_in_memory (decl)) + DECL_GIMPLE_REG_P (decl) = 1; /* This decl isn't mentioned in the enclosing block, so add it to the list of temps. FIXME it seems a bit of a kludge to say that |