arm: Fix unwanted fall-throughs in arm.c

gcc/ChangeLog

2020-05-28  Andrea Corallo  <andrea.corallo@arm.com>

	* config/arm/arm.c (mve_vector_mem_operand): Fix unwanted
	fall-throughs.

diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index c396b5b28e3e4bb9a907fa7b667ab9136e6417be..6b7ca829f1c8cbe3d427da474b079882dc522e1a 100644 (file)
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -13327,32 +13327,38 @@ mve_vector_mem_operand (machine_mode mode, rtx op, bool strict)
            if (abs (val) <= 127)
              return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          case E_V8HImode:
          case E_V8HFmode:
            if (abs (val) <= 255)
              return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          case E_V8QImode:
          case E_V4QImode:
            if (abs (val) <= 127)
              return (reg_no <= LAST_LO_REGNUM
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          case E_V4HImode:
          case E_V4HFmode:
            if (val % 2 == 0 && abs (val) <= 254)
              return (reg_no <= LAST_LO_REGNUM
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          case E_V4SImode:
          case E_V4SFmode:
            if (val % 4 == 0 && abs (val) <= 508)
              return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          case E_V2DImode:
          case E_V2DFmode:
          case E_TImode:
            if (val % 4 == 0 && val >= 0 && val <= 1020)
              return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
                      || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
+           return FALSE;
          default:
            return FALSE;
        }