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Index: gcc-4.3.4/gcc/regrename.c
===================================================================
--- gcc-4.3.4.orig/gcc/regrename.c 2009-02-04 22:42:04.000000000 +0100
+++ gcc-4.3.4/gcc/regrename.c 2009-08-07 14:57:58.021444122 +0200
@@ -789,6 +789,10 @@ build_def_use (basic_block bb)
|| (predicated && recog_data.operand_type[i] == OP_OUT))
recog_data.operand_type[i] = OP_INOUT;
}
+ /* Unshare dup_loc RTL */
+ for (i = 0; i < recog_data.n_dups; i++)
+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
/* Step 1: Close chains for which we have overlapping reads. */
for (i = 0; i < n_ops; i++)
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