regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before using its PATTERN.

	* regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before
	using its PATTERN.

From-SVN: r20868

gcc/ChangeLog

+Wed Jul  1 17:23:23 1998  J"orn Rennecke <amylaar@cygnus.co.uk>
+
+	* regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before
+	using its PATTERN.
+
 Wed Jul  1 05:04:41 1998  Richard Henderson  <rth@cygnus.com>
 
 	* expr.c (emit_group_load, emit_group_store): Rewrite considering

gcc/regmove.c

@@ -805,6 +805,8 @@ fixup_match_2 (insn, dst, src, offset, regmove_dump_file)
 			  && (NOTE_LINE_NUMBER (p) == NOTE_INSN_LOOP_BEG
 			      || NOTE_LINE_NUMBER (p) == NOTE_INSN_LOOP_END)))
 		    break;
+		  if (GET_RTX_CLASS (GET_CODE (p)) != 'i')
+		    continue;
 		  if (reg_overlap_mentioned_p (dst, PATTERN (p)))
 		    {
 		      try_auto_increment (p, insn, 0, dst, newconst, 1);