arm: MVE: Fix -Wall testisms

This patch fixes some testisms I found when testing using -Wall/-Werror.

gcc/testsuite/ChangeLog:
2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>

	* gcc.target/arm/mve/intrinsics/vuninitializedq_float.c: Fix testism.
	* gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vuninitializedq_int.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c: Likewise.

gcc/testsuite/ChangeLog

 2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
 
+	* gcc.target/arm/mve/intrinsics/vuninitializedq_float.c: Fix testism.
+	* gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vuninitializedq_int.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c: Likewise.
+
+2020-04-07  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+
 	* gcc.target/arm/mve/intrinsics/mve_vec_extracts_from_memory.c: New
 	test.
 

gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float.c

@@ -4,11 +4,12 @@
 
 #include "arm_mve.h"
 
+float16x8_t fa;
+float32x4_t fb;
+
 void
 foo ()
 {
-  float16x8_t fa;
-  float32x4_t fb;
   fa = vuninitializedq_f16 ();
   fb = vuninitializedq_f32 ();
 }

gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c

@@ -4,13 +4,14 @@
 
 #include "arm_mve.h"
 
+float16x8_t fa, faa;
+float32x4_t fb, fbb;
+
 void
 foo ()
 {
-  float16x8_t fa, faa;
-  float32x4_t fb, fbb;
   fa = vuninitializedq (faa);
   fb = vuninitializedq (fbb);
 }
 
-/* { dg-final { scan-assembler-times "vstrb.8" 4444} */
+/* { dg-final { scan-assembler-times "vstrb.8" 6 } } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int.c

@@ -3,18 +3,18 @@
 /* { dg-additional-options "-O0" } */
 
 #include "arm_mve.h"
+int8x16_t a;
+int16x8_t b;
+int32x4_t c;
+int64x2_t d;
+uint8x16_t ua;
+uint16x8_t ub;
+uint32x4_t uc;
+uint64x2_t ud;
 
 void
 foo ()
 {
-  int8x16_t a;
-  int16x8_t b;
-  int32x4_t c;
-  int64x2_t d;
-  uint8x16_t ua;
-  uint16x8_t ub;
-  uint32x4_t uc;
-  uint64x2_t ud;
   a = vuninitializedq_s8 ();
   b = vuninitializedq_s16 ();
   c = vuninitializedq_s32 ();

gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c

@@ -4,17 +4,18 @@
 
 #include "arm_mve.h"
 
+int8x16_t a, aa;
+int16x8_t b, bb;
+int32x4_t c, cc;
+int64x2_t d, dd;
+uint8x16_t ua, uaa;
+uint16x8_t ub, ubb;
+uint32x4_t uc, ucc;
+uint64x2_t ud, udd;
+
 void
 foo ()
 {
-  int8x16_t a, aa;
-  int16x8_t b, bb;
-  int32x4_t c, cc;
-  int64x2_t d, dd;
-  uint8x16_t ua, uaa;
-  uint16x8_t ub, ubb;
-  uint32x4_t uc, ucc;
-  uint64x2_t ud, udd;
   a = vuninitializedq (aa);
   b = vuninitializedq (bb);
   c = vuninitializedq (cc);