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authorRichard Guenther <rguenther@suse.de>2010-07-07 12:43:38 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2010-07-07 12:43:38 +0000
commit0ee95c437f66aaad025b4a46490ef17e32e729ad (patch)
treee95c41a2882b861f19c23029d218aecd8fe899ca /gcc
parent86353474a05912dbee5593dd3a90de9d3219a54a (diff)
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re PR middle-end/44790 (Bootstrap fails after MEM-REF merge)
2010-07-07 Richard Guenther <rguenther@suse.de> PR middle-end/44790 * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path for expanding the constant offset for MEM_REFs. From-SVN: r161907
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/expr.c10
2 files changed, 10 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e6c3f21..3fccd83 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2010-07-07 Richard Guenther <rguenther@suse.de>
+ PR middle-end/44790
+ * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
+ for expanding the constant offset for MEM_REFs.
+
+2010-07-07 Richard Guenther <rguenther@suse.de>
+
* tree-ssa-propagate.h (valid_gimple_call_p): Remove.
* tree-ssa-propagate.c (valid_gimple_call_p): Make static. Fix.
* gimple.h (is_gimple_operand): Remove.
diff --git a/gcc/expr.c b/gcc/expr.c
index a43d708..00ebfdc 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -8777,13 +8777,11 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
base = build2 (BIT_AND_EXPR, TREE_TYPE (base),
gimple_assign_rhs1 (def_stmt),
gimple_assign_rhs2 (def_stmt));
- op0 = expand_expr (base, NULL_RTX, address_mode, EXPAND_NORMAL);
if (!integer_zerop (TREE_OPERAND (exp, 1)))
- {
- rtx off;
- off = immed_double_int_const (mem_ref_offset (exp), address_mode);
- op0 = simplify_gen_binary (PLUS, address_mode, op0, off);
- }
+ base = build2 (POINTER_PLUS_EXPR, TREE_TYPE (base),
+ base, double_int_to_tree (sizetype,
+ mem_ref_offset (exp)));
+ op0 = expand_expr (base, NULL_RTX, address_mode, EXPAND_SUM);
op0 = memory_address_addr_space (mode, op0, as);
temp = gen_rtx_MEM (mode, op0);
set_mem_attributes (temp, exp, 0);