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(expand_expr, case ABS_EXPR): Don't copy twice into volatile MEM.
author
kenner
<kenner@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 9 Oct 1993 19:19:52 +0000
(19:19 +0000)
committer
kenner
<kenner@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 9 Oct 1993 19:19:52 +0000
(19:19 +0000)
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@5698
138bc75d
-0d04-0410-961f-
82ee72b054a4
gcc/expr.c
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diff --git
a/gcc/expr.c
b/gcc/expr.c
index
f31e048
..
91b2d6e
100644
(file)
--- a/
gcc/expr.c
+++ b/
gcc/expr.c
@@
-5001,6
+5001,7
@@
expand_expr (exp, target, tmode, modifier)
target = original_target;
temp = gen_label_rtx ();
if (target == 0 || ! safe_from_p (target, TREE_OPERAND (exp, 0))
+ || (GET_CODE (target) == MEM && MEM_VOLATILE_P (target))
|| (GET_CODE (target) == REG
&& REGNO (target) < FIRST_PSEUDO_REGISTER))
target = gen_reg_rtx (mode);