Fix miscompilation of MIPS cross assembler on sparc host.

	* jump.c (jump_optimize): In if/then/else transformations, add
	another call to modified_between_p for the jump insn.

From-SVN: r22187

gcc/ChangeLog

+Wed Sep  2 14:47:36 1998  Jim Wilson  <wilson@cygnus.com>
+
+	* jump.c (jump_optimize): In if/then/else transformations, add
+	another call to modified_between_p for the jump insn.
+
 Wed Sep  2 14:16:49 1998  Jeffrey A Law  (law@cygnus.com)
 
 	* fix-header.c (symlink): Treat like readlink.

gcc/jump.c

@@ -855,7 +855,11 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
 		  && ! reg_referenced_between_p (temp1, p, NEXT_INSN (temp3))
 		  && ! reg_set_between_p (temp1, p, temp3)
 		  && (GET_CODE (SET_SRC (temp4)) == CONST_INT
-		      || ! modified_between_p (SET_SRC (temp4), p, temp2)))
+		      || ! modified_between_p (SET_SRC (temp4), p, temp2))
+		  /* Verify that registers used by the jump are not clobbered
+		     by the instruction being moved.  */
+		  && ! modified_between_p (PATTERN (temp), temp2,
+					   NEXT_INSN (temp2)))
 		{
 		  emit_insn_after_with_line_notes (PATTERN (temp2), p, temp2);
 		  delete_insn (temp2);
@@ -953,6 +957,10 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
 						 NEXT_INSN (temp2))
 		  && ! reg_set_between_p (temp1, insert_after, temp)
 		  && ! modified_between_p (SET_SRC (temp4), insert_after, temp)
+		  /* Verify that registers used by the jump are not clobbered
+		     by the instruction being moved.  */
+		  && ! modified_between_p (PATTERN (temp), temp3,
+					   NEXT_INSN (temp3))
 		  && invert_jump (temp, JUMP_LABEL (insn)))
 		{
 		  emit_insn_after_with_line_notes (PATTERN (temp3),