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expr.c (expand_expr, [...]): Copy memory attributes when making new MEM. 

* expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
	when making new MEM.

From-SVN: r36412
This commit is contained in:
Richard Kenner 2000-09-14 16:53:07 +00:00 committed by Richard Kenner
parent 9985f21020
commit fe7a844510
2 changed files with 11 additions and 2 deletions
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3
gcc/ChangeLog
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@ -1,5 +1,8 @@
Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
when making new MEM.
* Makefile.in (LN): Remove duplicate definition.
2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>

10
gcc/expr.c
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@ -6939,8 +6939,14 @@ expand_expr (exp, target, tmode, modifier)
/* Get a reference to just this component. */
if (modifier == EXPAND_CONST_ADDRESS
|| modifier == EXPAND_SUM || modifier == EXPAND_INITIALIZER)
op0 = gen_rtx_MEM (mode1, plus_constant (XEXP (op0, 0),
(bitpos / BITS_PER_UNIT)));
{
rtx new = gen_rtx_MEM (mode1,
plus_constant (XEXP (op0, 0),
(bitpos / BITS_PER_UNIT)));
MEM_COPY_ATTRIBUTES (new, op0);
op0 = new;
}
else
op0 = change_address (op0, mode1,
plus_constant (XEXP (op0, 0),