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| author | Jakub Jelinek <jakub@redhat.com> | 2012-12-20 19:13:56 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-12-20 19:13:56 +0100 |
| commit | d97c9b2248a86fc8a2d3f65df0e0a63347c89e2a (patch) | |
| tree | 59a1a32f0ecc1e856d08b15d3921d000019c27c2 /gcc/gimplify.c | |
| parent | 5bb339361a483eca12853be5729b7b1ad12ed3dd (diff) | |
| download | gcc-d97c9b2248a86fc8a2d3f65df0e0a63347c89e2a.tar.gz | |
re PR middle-end/55750 (-( in expand_expr_addr_expr_1, at expr.c:7646)
PR middle-end/55750
* gimplify.c (gimplify_self_mod_expr): Don't force lvalue to
pass is_gimple_min_lval.
* gcc.c-torture/execute/pr55750.c: New test.
From-SVN: r194647
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index f628b8ab3c0..e79d06397e0 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -2391,25 +2391,15 @@ gimplify_self_mod_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, rhs = TREE_OPERAND (*expr_p, 1); /* For postfix operator, we evaluate the LHS to an rvalue and then use - that as the result value and in the postqueue operation. We also - make sure to make lvalue a minimal lval, see - gcc.c-torture/execute/20040313-1.c for an example where this matters. */ + that as the result value and in the postqueue operation. */ if (postfix) { - if (!is_gimple_min_lval (lvalue)) - { - mark_addressable (lvalue); - lvalue = build_fold_addr_expr_loc (input_location, lvalue); - gimplify_expr (&lvalue, pre_p, post_p, is_gimple_val, fb_rvalue); - lvalue = build_fold_indirect_ref_loc (input_location, lvalue); - } ret = gimplify_expr (&lhs, pre_p, post_p, is_gimple_val, fb_rvalue); if (ret == GS_ERROR) return ret; - } - if (postfix) - lhs = get_initialized_tmp_var (lhs, pre_p, NULL); + lhs = get_initialized_tmp_var (lhs, pre_p, NULL); + } /* For POINTERs increment, use POINTER_PLUS_EXPR. */ if (POINTER_TYPE_P (TREE_TYPE (lhs))) |