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emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned types for offsets.

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2010-07-01  Richard Guenther  <rguenther@suse.de>

	* emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
	types for offsets.

From-SVN: r161659
This commit is contained in:
Richard Guenther 2010-07-01 10:50:14 +00:00 • committed by Richard Biener
parent c689f757eb
commit e3ccfc8bb5
2 changed files with 7 additions and 2 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2010-07-01 Richard Guenther <rguenther@suse.de>
* emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
types for offsets.
2010-07-01 Joern Rennecke <joern.rennecke@embecosm.com>
PR target/44732

4
gcc/emit-rtl.c
View file

@ -1616,10 +1616,10 @@ set_mem_attributes_minus_bitpos (rtx ref, tree t, int objectp,
align = MAX (align, TYPE_ALIGN (type));
else if (TREE_CODE (t) == MEM_REF)
{
HOST_WIDE_INT aoff = BITS_PER_UNIT;
unsigned HOST_WIDE_INT aoff = BITS_PER_UNIT;
if (host_integerp (TREE_OPERAND (t, 1), 1))
{
HOST_WIDE_INT ioff = TREE_INT_CST_LOW (TREE_OPERAND (t, 1));
unsigned HOST_WIDE_INT ioff = TREE_INT_CST_LOW (TREE_OPERAND (t, 1));
aoff = (ioff & -ioff) * BITS_PER_UNIT;
}
if (TREE_CODE (TREE_OPERAND (t, 0)) == ADDR_EXPR