[AArch64, testsuite] Fix vmul_elem_1.c on big-endian

gcc/testsuite/
        * gcc.target/aarch64/simd/vmul_elem_1.c: Force result variables to be
        kept in memory.

From-SVN: r236762

gcc/testsuite/ChangeLog

+2016-05-26  Jiong Wang  <jiong.wang@arm.com>
+
+	* gcc.target/aarch64/simd/vmul_elem_1.c: Force result variables to be
+	kept in memory. 
+
 2016-05-25  Jeff Law  <law@redhat.com>
 
 	PR tree-optimization/71272

gcc/testsuite/gcc.target/aarch64/simd/vmul_elem_1.c

@@ -142,13 +142,15 @@ check_v2sf (float32_t elemA, float32_t elemB)
   int32_t indx;
   const float32_t vec32x2_buf[2] = {A, B};
   float32x2_t vec32x2_src = vld1_f32 (vec32x2_buf);
-  float32x2_t vec32x2_res = vmul_n_f32 (vec32x2_src, elemA);
+  float32_t vec32x2_res[2];
+
+  vst1_f32 (vec32x2_res, vmul_n_f32 (vec32x2_src, elemA));
 
   for (indx = 0; indx < 2; indx++)
     if (* (uint32_t *) &vec32x2_res[indx] != * (uint32_t *) &expected2_1[indx])
       abort ();
 
-  vec32x2_res = vmul_n_f32 (vec32x2_src, elemB);
+  vst1_f32 (vec32x2_res, vmul_n_f32 (vec32x2_src, elemB));
 
   for (indx = 0; indx < 2; indx++)
     if (* (uint32_t *) &vec32x2_res[indx] != * (uint32_t *) &expected2_2[indx])
@@ -163,25 +165,27 @@ check_v4sf (float32_t elemA, float32_t elemB, float32_t elemC, float32_t elemD)
   int32_t indx;
   const float32_t vec32x4_buf[4] = {A, B, C, D};
   float32x4_t vec32x4_src = vld1q_f32 (vec32x4_buf);
-  float32x4_t vec32x4_res = vmulq_n_f32 (vec32x4_src, elemA);
+  float32_t vec32x4_res[4];
+
+  vst1q_f32 (vec32x4_res, vmulq_n_f32 (vec32x4_src, elemA));
 
   for (indx = 0; indx < 4; indx++)
     if (* (uint32_t *) &vec32x4_res[indx] != * (uint32_t *) &expected4_1[indx])
       abort ();
 
-  vec32x4_res = vmulq_n_f32 (vec32x4_src, elemB);
+  vst1q_f32 (vec32x4_res, vmulq_n_f32 (vec32x4_src, elemB));
 
   for (indx = 0; indx < 4; indx++)
     if (* (uint32_t *) &vec32x4_res[indx] != * (uint32_t *) &expected4_2[indx])
       abort ();
 
-  vec32x4_res = vmulq_n_f32 (vec32x4_src, elemC);
+  vst1q_f32 (vec32x4_res, vmulq_n_f32 (vec32x4_src, elemC));
 
   for (indx = 0; indx < 4; indx++)
     if (* (uint32_t *) &vec32x4_res[indx] != * (uint32_t *) &expected4_3[indx])
       abort ();
 
-  vec32x4_res = vmulq_n_f32 (vec32x4_src, elemD);
+  vst1q_f32 (vec32x4_res, vmulq_n_f32 (vec32x4_src, elemD));
 
   for (indx = 0; indx < 4; indx++)
     if (* (uint32_t *) &vec32x4_res[indx] != * (uint32_t *) &expected4_4[indx])
@@ -196,13 +200,15 @@ check_v2df (float64_t elemdC, float64_t elemdD)
   int32_t indx;
   const float64_t vec64x2_buf[2] = {AD, BD};
   float64x2_t vec64x2_src = vld1q_f64 (vec64x2_buf);
-  float64x2_t vec64x2_res = vmulq_n_f64 (vec64x2_src, elemdC);
+  float64_t vec64x2_res[2];
+
+  vst1q_f64 (vec64x2_res, vmulq_n_f64 (vec64x2_src, elemdC));
 
   for (indx = 0; indx < 2; indx++)
     if (* (uint64_t *) &vec64x2_res[indx] != * (uint64_t *) &expectedd2_1[indx])
       abort ();
 
-  vec64x2_res = vmulq_n_f64 (vec64x2_src, elemdD);
+  vst1q_f64 (vec64x2_res, vmulq_n_f64 (vec64x2_src, elemdD));
 
   for (indx = 0; indx < 2; indx++)
     if (* (uint64_t *) &vec64x2_res[indx] != * (uint64_t *) &expectedd2_2[indx])
@@ -217,13 +223,15 @@ check_v2si (int32_t elemsA, int32_t elemsB)
   int32_t indx;
   const int32_t vecs32x2_buf[2] = {AS, BS};
   int32x2_t vecs32x2_src = vld1_s32 (vecs32x2_buf);
-  int32x2_t vecs32x2_res = vmul_n_s32 (vecs32x2_src, elemsA);
+  int32_t vecs32x2_res[2];
+
+  vst1_s32 (vecs32x2_res, vmul_n_s32 (vecs32x2_src, elemsA));
 
   for (indx = 0; indx < 2; indx++)
     if (vecs32x2_res[indx] != expecteds2_1[indx])
       abort ();
 
-  vecs32x2_res = vmul_n_s32 (vecs32x2_src, elemsB);
+  vst1_s32 (vecs32x2_res, vmul_n_s32 (vecs32x2_src, elemsB));
 
   for (indx = 0; indx < 2; indx++)
     if (vecs32x2_res[indx] != expecteds2_2[indx])
@@ -236,13 +244,15 @@ check_v2si_unsigned (uint32_t elemusA, uint32_t elemusB)
   int indx;
   const uint32_t vecus32x2_buf[2] = {AUS, BUS};
   uint32x2_t vecus32x2_src = vld1_u32 (vecus32x2_buf);
-  uint32x2_t vecus32x2_res = vmul_n_u32 (vecus32x2_src, elemusA);
+  uint32_t vecus32x2_res[2];
+
+  vst1_u32 (vecus32x2_res, vmul_n_u32 (vecus32x2_src, elemusA));
 
   for (indx = 0; indx < 2; indx++)
     if (vecus32x2_res[indx] != expectedus2_1[indx])
       abort ();
 
-  vecus32x2_res = vmul_n_u32 (vecus32x2_src, elemusB);
+  vst1_u32 (vecus32x2_res, vmul_n_u32 (vecus32x2_src, elemusB));
 
   for (indx = 0; indx < 2; indx++)
     if (vecus32x2_res[indx] != expectedus2_2[indx])
@@ -257,25 +267,27 @@ check_v4si (int32_t elemsA, int32_t elemsB, int32_t elemsC, int32_t elemsD)
   int32_t indx;
   const int32_t vecs32x4_buf[4] = {AS, BS, CS, DS};
   int32x4_t vecs32x4_src = vld1q_s32 (vecs32x4_buf);
-  int32x4_t vecs32x4_res = vmulq_n_s32 (vecs32x4_src, elemsA);
+  int32_t vecs32x4_res[4];
+
+  vst1q_s32 (vecs32x4_res, vmulq_n_s32 (vecs32x4_src, elemsA));
 
   for (indx = 0; indx < 4; indx++)
     if (vecs32x4_res[indx] != expecteds4_1[indx])
       abort ();
 
-  vecs32x4_res = vmulq_n_s32 (vecs32x4_src, elemsB);
+  vst1q_s32 (vecs32x4_res, vmulq_n_s32 (vecs32x4_src, elemsB));
 
   for (indx = 0; indx < 4; indx++)
     if (vecs32x4_res[indx] != expecteds4_2[indx])
       abort ();
 
-  vecs32x4_res = vmulq_n_s32 (vecs32x4_src, elemsC);
+  vst1q_s32 (vecs32x4_res, vmulq_n_s32 (vecs32x4_src, elemsC));
 
   for (indx = 0; indx < 4; indx++)
     if (vecs32x4_res[indx] != expecteds4_3[indx])
       abort ();
 
-  vecs32x4_res = vmulq_n_s32 (vecs32x4_src, elemsD);
+  vst1q_s32 (vecs32x4_res, vmulq_n_s32 (vecs32x4_src, elemsD));
 
   for (indx = 0; indx < 4; indx++)
     if (vecs32x4_res[indx] != expecteds4_4[indx])
@@ -289,25 +301,27 @@ check_v4si_unsigned (uint32_t elemusA, uint32_t elemusB, uint32_t elemusC,
   int indx;
   const uint32_t vecus32x4_buf[4] = {AUS, BUS, CUS, DUS};
   uint32x4_t vecus32x4_src = vld1q_u32 (vecus32x4_buf);
-  uint32x4_t vecus32x4_res = vmulq_n_u32 (vecus32x4_src, elemusA);
+  uint32_t vecus32x4_res[4];
+
+  vst1q_u32 (vecus32x4_res, vmulq_n_u32 (vecus32x4_src, elemusA));
 
   for (indx = 0; indx < 4; indx++)
     if (vecus32x4_res[indx] != expectedus4_1[indx])
       abort ();
 
-  vecus32x4_res = vmulq_n_u32 (vecus32x4_src, elemusB);
+  vst1q_u32 (vecus32x4_res, vmulq_n_u32 (vecus32x4_src, elemusB));
 
   for (indx = 0; indx < 4; indx++)
     if (vecus32x4_res[indx] != expectedus4_2[indx])
       abort ();
 
-  vecus32x4_res = vmulq_n_u32 (vecus32x4_src, elemusC);
+  vst1q_u32 (vecus32x4_res, vmulq_n_u32 (vecus32x4_src, elemusC));
 
   for (indx = 0; indx < 4; indx++)
     if (vecus32x4_res[indx] != expectedus4_3[indx])
       abort ();
 
-  vecus32x4_res = vmulq_n_u32 (vecus32x4_src, elemusD);
+  vst1q_u32 (vecus32x4_res, vmulq_n_u32 (vecus32x4_src, elemusD));
 
   for (indx = 0; indx < 4; indx++)
     if (vecus32x4_res[indx] != expectedus4_4[indx])
@@ -323,25 +337,27 @@ check_v4hi (int16_t elemhA, int16_t elemhB, int16_t elemhC, int16_t elemhD)
   int32_t indx;
   const int16_t vech16x4_buf[4] = {AH, BH, CH, DH};
   int16x4_t vech16x4_src = vld1_s16 (vech16x4_buf);
-  int16x4_t vech16x4_res = vmul_n_s16 (vech16x4_src, elemhA);
+  int16_t vech16x4_res[4];
+
+  vst1_s16 (vech16x4_res, vmul_n_s16 (vech16x4_src, elemhA));
 
   for (indx = 0; indx < 4; indx++)
     if (vech16x4_res[indx] != expectedh4_1[indx])
       abort ();
 
-  vech16x4_res = vmul_n_s16 (vech16x4_src, elemhB);
+  vst1_s16 (vech16x4_res, vmul_n_s16 (vech16x4_src, elemhB));
 
   for (indx = 0; indx < 4; indx++)
     if (vech16x4_res[indx] != expectedh4_2[indx])
       abort ();
 
-  vech16x4_res = vmul_n_s16 (vech16x4_src, elemhC);
+  vst1_s16 (vech16x4_res, vmul_n_s16 (vech16x4_src, elemhC));
 
   for (indx = 0; indx < 4; indx++)
     if (vech16x4_res[indx] != expectedh4_3[indx])
       abort ();
 
-  vech16x4_res = vmul_n_s16 (vech16x4_src, elemhD);
+  vst1_s16 (vech16x4_res, vmul_n_s16 (vech16x4_src, elemhD));
 
   for (indx = 0; indx < 4; indx++)
     if (vech16x4_res[indx] != expectedh4_4[indx])
@@ -355,25 +371,27 @@ check_v4hi_unsigned (uint16_t elemuhA, uint16_t elemuhB, uint16_t elemuhC,
   int indx;
   const uint16_t vecuh16x4_buf[4] = {AUH, BUH, CUH, DUH};
   uint16x4_t vecuh16x4_src = vld1_u16 (vecuh16x4_buf);
-  uint16x4_t vecuh16x4_res = vmul_n_u16 (vecuh16x4_src, elemuhA);
+  uint16_t vecuh16x4_res[4];
+
+  vst1_u16 (vecuh16x4_res, vmul_n_u16 (vecuh16x4_src, elemuhA));
 
   for (indx = 0; indx < 4; indx++)
     if (vecuh16x4_res[indx] != expecteduh4_1[indx])
       abort ();
 
-  vecuh16x4_res = vmul_n_u16 (vecuh16x4_src, elemuhB);
+  vst1_u16 (vecuh16x4_res, vmul_n_u16 (vecuh16x4_src, elemuhB));
 
   for (indx = 0; indx < 4; indx++)
     if (vecuh16x4_res[indx] != expecteduh4_2[indx])
       abort ();
 
-  vecuh16x4_res = vmul_n_u16 (vecuh16x4_src, elemuhC);
+  vst1_u16 (vecuh16x4_res, vmul_n_u16 (vecuh16x4_src, elemuhC));
 
   for (indx = 0; indx < 4; indx++)
     if (vecuh16x4_res[indx] != expecteduh4_3[indx])
       abort ();
 
-  vecuh16x4_res = vmul_n_u16 (vecuh16x4_src, elemuhD);
+  vst1_u16 (vecuh16x4_res, vmul_n_u16 (vecuh16x4_src, elemuhD));
 
   for (indx = 0; indx < 4; indx++)
     if (vecuh16x4_res[indx] != expecteduh4_4[indx])
@@ -389,49 +407,51 @@ check_v8hi (int16_t elemhA, int16_t elemhB, int16_t elemhC, int16_t elemhD,
   int32_t indx;
   const int16_t vech16x8_buf[8] = {AH, BH, CH, DH, EH, FH, GH, HH};
   int16x8_t vech16x8_src = vld1q_s16 (vech16x8_buf);
-  int16x8_t vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhA);
+  int16_t vech16x8_res[8];
+
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhA));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_1[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhB);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhB));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_2[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhC);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhC));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_3[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhD);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhD));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_4[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhE);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhE));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_5[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhF);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhF));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_6[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhG);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhG));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_7[indx])
       abort ();
 
-  vech16x8_res = vmulq_n_s16 (vech16x8_src, elemhH);
+  vst1q_s16 (vech16x8_res, vmulq_n_s16 (vech16x8_src, elemhH));
 
   for (indx = 0; indx < 8; indx++)
     if (vech16x8_res[indx] != expectedh8_8[indx])
@@ -446,49 +466,51 @@ check_v8hi_unsigned (uint16_t elemuhA, uint16_t elemuhB, uint16_t elemuhC,
   int indx;
   const uint16_t vecuh16x8_buf[8] = {AUH, BUH, CUH, DUH, EUH, FUH, GUH, HUH};
   uint16x8_t vecuh16x8_src = vld1q_u16 (vecuh16x8_buf);
-  uint16x8_t vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhA);
+  uint16_t vecuh16x8_res[8];
+
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhA));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_1[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhB);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhB));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_2[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhC);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhC));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_3[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhD);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhD));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_4[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhE);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhE));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_5[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhF);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhF));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_6[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhG);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhG));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_7[indx])
       abort ();
 
-  vecuh16x8_res = vmulq_n_u16 (vecuh16x8_src, elemuhH);
+  vst1q_u16 (vecuh16x8_res, vmulq_n_u16 (vecuh16x8_src, elemuhH));
 
   for (indx = 0; indx < 8; indx++)
     if (vecuh16x8_res[indx] != expecteduh8_8[indx])