pa.c (pa_legitimate_address_p): For scaled indexing...

	* config/pa/pa.c (pa_legitimate_address_p): For scaled indexing,
	require base operand is a REG_POINTER prior to reload on targets
	with non-equivalent space registers.

From-SVN: r255369

gcc/ChangeLog

+2017-12-03  John David Anglin  <danglin@gcc.gnu.org>
+
+	* config/pa/pa.c (pa_legitimate_address_p): For scaled indexing,
+	require base operand is a REG_POINTER prior to reload on targets
+	with non-equivalent space registers.
+
 2017-12-01  Jan Hubicka  <hubicka@ucw.cz>
 
 	* ipa-cp.c (ipcp_lattice<valtype>::print): Update dumping.

gcc/config/pa/pa.c

@@ -10544,9 +10544,16 @@ pa_legitimate_address_p (machine_mode mode, rtx x, bool strict)
 
       if (!TARGET_DISABLE_INDEXING
 	  && GET_CODE (index) == MULT
-	  && MODE_OK_FOR_SCALED_INDEXING_P (mode)
+	  /* Only accept base operands with the REG_POINTER flag prior to
+	     reload on targets with non-equivalent space registers.  */
+	  && (TARGET_NO_SPACE_REGS
+	      || (base == XEXP (x, 1)
+		  && (reload_completed
+		      || (reload_in_progress && HARD_REGISTER_P (base))
+		      || REG_POINTER (base))))
 	  && REG_P (XEXP (index, 0))
 	  && GET_MODE (XEXP (index, 0)) == Pmode
+	  && MODE_OK_FOR_SCALED_INDEXING_P (mode)
 	  && (strict ? STRICT_REG_OK_FOR_INDEX_P (XEXP (index, 0))
 		     : REG_OK_FOR_INDEX_P (XEXP (index, 0)))
 	  && GET_CODE (XEXP (index, 1)) == CONST_INT