From 3d947f1f27188e3a61ba7f42399b1c348469fe13 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Tue, 7 Apr 2020 16:29:37 +0200 Subject: middle-end/94479 - fix gimplification of address When gimplifying an address operand we may expose an indirect ref via DECL_VALUE_EXPR for example. This is dealt with in the code already but it fails to consider that INDIRECT_REFs get gimplified to MEM_REFs. Fixed which makes the ICE observed on x86_64-netbsd go away. 2020-04-07 Richard Biener PR middle-end/94479 * gimplify.c (gimplify_addr_expr): Also consider generated MEM_REFs. * gcc.dg/torture/pr94479.c: New testcase. --- gcc/gimplify.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'gcc/gimplify.c') diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 787435c..8cdfae2 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -6181,7 +6181,9 @@ gimplify_addr_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p) /* For various reasons, the gimplification of the expression may have made a new INDIRECT_REF. */ - if (TREE_CODE (op0) == INDIRECT_REF) + if (TREE_CODE (op0) == INDIRECT_REF + || (TREE_CODE (op0) == MEM_REF + && integer_zerop (TREE_OPERAND (op0, 1)))) goto do_indirect_ref; mark_addressable (TREE_OPERAND (expr, 0)); -- cgit v1.1