Fix compile time warning about building the FRV backend by adding missing break…

Fix compile time warning about building the FRV backend by adding missing break statements to the switches in frv_register_move_cost.

	PR target/85978
	* config/frv/frv.c (frv_register_move_cost): Add break statements
	to avoid falling through to the wrong cases.  Tidy code.

From-SVN: r276306

gcc/ChangeLog

+2019-09-30  Nick Clifton  <nickc@redhat.com>
+
+	PR target/85978
+	* config/frv/frv.c (frv_register_move_cost): Add break statements
+	to avoid falling through to the wrong cases.  Tidy code.
+
 2019-09-30  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):

gcc/config/frv/frv.c

@@ -6686,7 +6686,6 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
     case FDPIC_REGS:
     case FDPIC_FPTR_REGS:
     case FDPIC_CALL_REGS:
-
       switch (to)
 	{
 	default:
@@ -6700,7 +6699,6 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
 	case FDPIC_REGS:
 	case FDPIC_FPTR_REGS:
 	case FDPIC_CALL_REGS:
-
 	  return LOW_COST;
 
 	case FPR_REGS:
@@ -6711,6 +6709,7 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
 	case SPR_REGS:
 	  return LOW_COST;
 	}
+      break;
 
     case QUAD_FPR_REGS:
       switch (to)
@@ -6734,6 +6733,7 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
 	case QUAD_FPR_REGS:
 	  return LOW_COST;
 	}
+      break;
 
     case LCR_REG:
     case LR_REG:
@@ -6751,9 +6751,9 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
 	case FDPIC_REGS:
 	case FDPIC_FPTR_REGS:
 	case FDPIC_CALL_REGS:
-
 	  return MEDIUM_COST;
 	}
+      break;
 
     case QUAD_ACC_REGS:
     case ACCG_REGS:
@@ -6764,8 +6764,8 @@ frv_register_move_cost (machine_mode mode ATTRIBUTE_UNUSED,
 
 	case QUAD_FPR_REGS:
 	  return MEDIUM_COST;
-
 	}
+      break;
     }
 
   return HIGH_COST;