2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
* gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
STRICT_LOW_PART SETs.
From-SVN: r103934
+2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
+ STRICT_LOW_PART SETs.
+
2005-09-06 Alan Modra <amodra@bigpond.net.au>
PR middle-end/21460
have a note, and have no special SET, add a REG_EQUAL note to not
lose information. */
if (!success && note == 0 && set != 0
- && GET_CODE (SET_DEST (set)) != ZERO_EXTRACT)
+ && GET_CODE (SET_DEST (set)) != ZERO_EXTRACT
+ && GET_CODE (SET_DEST (set)) != STRICT_LOW_PART)
note = set_unique_reg_note (insn, REG_EQUAL, copy_rtx (src));
}