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| author | Richard Biener <rguenther@suse.de> | 2020-04-07 16:29:37 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2020-04-07 19:22:14 +0200 |
| commit | 3d947f1f27188e3a61ba7f42399b1c348469fe13 (patch) | |
| tree | 8281660a504c053f879eb006297334717cb893bc /gcc/gimplify.c | |
| parent | 57391ddaf39f7cb85825c32e83feb1435889da51 (diff) | |
| download | gcc-3d947f1f27188e3a61ba7f42399b1c348469fe13.zip gcc-3d947f1f27188e3a61ba7f42399b1c348469fe13.tar.gz gcc-3d947f1f27188e3a61ba7f42399b1c348469fe13.tar.bz2 | |
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 <rguenther@suse.de>
PR middle-end/94479
* gimplify.c (gimplify_addr_expr): Also consider generated
MEM_REFs.
* gcc.dg/torture/pr94479.c: New testcase.
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 4 |
1 files changed, 3 insertions, 1 deletions
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)); |