diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index cef6118..9c58a38 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -3756,7 +3756,8 @@ rhs_predicate_for (tree lhs) decl instead. */ static enum gimplify_status -gimplify_compound_literal_expr (tree *expr_p, gimple_seq *pre_p) +gimplify_compound_literal_expr (tree *expr_p, gimple_seq *pre_p, + fallback_t fallback) { tree decl_s = COMPOUND_LITERAL_EXPR_DECL_EXPR (*expr_p); tree decl = DECL_EXPR_DECL (decl_s); @@ -3775,6 +3776,12 @@ gimplify_compound_literal_expr (tree *expr_p, gimple_seq *pre_p) && !needs_to_live_in_memory (decl)) DECL_GIMPLE_REG_P (decl) = 1; + /* If the decl is not addressable, then it is being used in some + expression or on the right hand side of a statement, and it can + be put into a readonly data section. */ + if (!TREE_ADDRESSABLE (decl) && (fallback & fb_lvalue) == 0) + TREE_READONLY (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 anonymous artificial vars aren't pushed, but everything else is. */ @@ -7071,7 +7078,7 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, break; case COMPOUND_LITERAL_EXPR: - ret = gimplify_compound_literal_expr (expr_p, pre_p); + ret = gimplify_compound_literal_expr (expr_p, pre_p, fallback); break; case MODIFY_EXPR: |