re PR target/43740 (FAIL: gcc.dg/tree-ssa/20031015-1.c (internal compiler error))

	PR target/43740
	config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag for
	SET source operand from SET destination operand.

From-SVN: r160955

gcc/ChangeLog

+2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR target/43740
+	config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag for
+	SET source operand from SET destination operand.
+
 2010-06-17  Bernd Schmidt  <bernds@codesourcery.com>
 
 	PR rtl-optimization/39871

gcc/config/pa/pa.c

@@ -1696,10 +1696,6 @@ emit_move_sequence (rtx *operands, enum machine_mode mode, rtx scratch_reg)
 		  && !REG_POINTER (operand0)
 		  && !HARD_REGISTER_P (operand0))
 		copy_reg_pointer (operand0, operand1);
-	      else if (REG_POINTER (operand0)
-		       && !REG_POINTER (operand1)
-		       && !HARD_REGISTER_P (operand1))
-		copy_reg_pointer (operand1, operand0);
 	    }
 	  
 	  /* When MEMs are broken out, the REG_POINTER flag doesn't