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re PR middle-end/44790 (Bootstrap fails after MEM-REF merge)

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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
This commit is contained in:
Richard Guenther 2010-07-07 12:43:38 +00:00 • committed by Richard Biener
parent 86353474a0
commit 0ee95c437f
2 changed files with 10 additions and 6 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
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.

10
gcc/expr.c
View file

@ -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);