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| author | Richard Guenther <rguenther@suse.de> | 2009-01-16 19:18:18 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-01-16 19:18:18 +0000 |
| commit | 786ce82d44352369486d69add3cf3695b08998a2 (patch) | |
| tree | c4997b22540cbef79a66ef53490b30491bd30b3d /gcc/tree-ssa-address.c | |
| parent | c1cb09ada04abbf0087eafedaab7b3ec32b23659 (diff) | |
| download | gcc-786ce82d44352369486d69add3cf3695b08998a2.zip gcc-786ce82d44352369486d69add3cf3695b08998a2.tar.gz gcc-786ce82d44352369486d69add3cf3695b08998a2.tar.bz2 | |
re PR tree-optimization/38835 (field-insensitive PTA causes libstdc++ miscompiles)
2009-01-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38835
PR middle-end/36227
* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
and INT + PTR -> (INT)(PTR p+ INT) folding.
* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
java/
* builtins.c (build_addr_sum): Use POINTER_PLUS_EXPR.
* gcc.c-torture/execute/pr36227.c: New testcase.
* gcc.dg/tree-ssa/foldaddr-1.c: XFAIL.
* g++.dg/init/const7.C: Likewise.
From-SVN: r143442
Diffstat (limited to 'gcc/tree-ssa-address.c')
| -rw-r--r-- | gcc/tree-ssa-address.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/tree-ssa-address.c b/gcc/tree-ssa-address.c index df4f5c9..da236ff 100644 --- a/gcc/tree-ssa-address.c +++ b/gcc/tree-ssa-address.c @@ -619,9 +619,9 @@ create_mem_ref (gimple_stmt_iterator *gsi, tree type, aff_tree *addr, { atype = TREE_TYPE (tmp); parts.base = force_gimple_operand_gsi (gsi, - fold_build2 (PLUS_EXPR, atype, - fold_convert (atype, parts.base), - tmp), + fold_build2 (POINTER_PLUS_EXPR, atype, + tmp, + fold_convert (sizetype, parts.base)), true, NULL_TREE, true, GSI_SAME_STMT); } else |