MSP430: Remove unused msp430_hard_regno_nregs_*_padding functions

2019-10-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* config/msp430/msp430.c (msp430_hard_regno_nregs_has_padding): Remove
	and add comment.
	(msp430_hard_regno_nregs_with_padding): Remove.

From-SVN: r277395

gcc/ChangeLog

 2019-10-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
 
+	* config/msp430/msp430.c (msp430_hard_regno_nregs_has_padding): Remove
+	and add comment.
+	(msp430_hard_regno_nregs_with_padding): Remove.
+
+2019-10-24  Jozef Lawrynowicz  <jozef.l@mittosystems.com>
+
 	* config/msp430/constraints.md: Allow post_inc for "Ya" constraint.
 	* config/msp430/msp430.md (430x_shift_left): Use RLAM when the constant
 	shift amount is between 1 and 4.

gcc/config/msp430/msp430.c

@@ -332,28 +332,9 @@ msp430_hard_regno_nregs (unsigned int, machine_mode mode)
 	  / UNITS_PER_WORD);
 }
 
-/* Implements HARD_REGNO_NREGS_HAS_PADDING.  */
-int
-msp430_hard_regno_nregs_has_padding (int regno ATTRIBUTE_UNUSED,
-				     machine_mode mode)
-{
-  if (mode == PSImode && msp430x)
-    return 1;
-  return ((GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1)
-	  / UNITS_PER_WORD);
-}
-
-/* Implements HARD_REGNO_NREGS_WITH_PADDING.  */
-int
-msp430_hard_regno_nregs_with_padding (int regno ATTRIBUTE_UNUSED,
-				      machine_mode mode)
-{
-  if (mode == PSImode)
-    return 2;
-  if (mode == CPSImode)
-    return 4;
-  return msp430_hard_regno_nregs (regno, mode);
-}
+/* subreg_get_info correctly handles PSImode registers, so defining
+   HARD_REGNO_NREGS_HAS_PADDING and HARD_REGNO_NREGS_WITH_PADDING
+   has no effect.  */
 
 #undef TARGET_HARD_REGNO_MODE_OK
 #define TARGET_HARD_REGNO_MODE_OK msp430_hard_regno_mode_ok