mips.c (mips_move_to_gpr_cost): Add M16_REGS case.

gcc/
	* config/mips/mips.c (mips_move_to_gpr_cost): Add M16_REGS case.
	(mips_move_from_gpr_cost): Likewise.

From-SVN: r206907

gcc/ChangeLog

+2014-01-21  Richard Sandiford  <rdsandiford@googlemail.com>
+
+	* config/mips/mips.c (mips_move_to_gpr_cost): Add M16_REGS case.
+	(mips_move_from_gpr_cost): Likewise.
+
 2014-01-21  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/59858

gcc/config/mips/mips.c

@@ -11883,6 +11883,7 @@ mips_move_to_gpr_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
 {
   switch (from)
     {
+    case M16_REGS:
     case GENERAL_REGS:
       /* A MIPS16 MOVE instruction, or a non-MIPS16 MOVE macro.  */
       return 2;
@@ -11919,6 +11920,7 @@ mips_move_from_gpr_cost (enum machine_mode mode, reg_class_t to)
 {
   switch (to)
     {
+    case M16_REGS:
     case GENERAL_REGS:
       /* A MIPS16 MOVE instruction, or a non-MIPS16 MOVE macro.  */
       return 2;