Use svcreate instead of list initializations.

Partially resolves COMPMID-5250 when building with SVE2.

Change-Id: I16bd74d4cd6c70371efd8235c507ba5e7f8f906f
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7498
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/cpu/kernels/activation/generic/sve2/qasymm8_signed.cpp b/src/cpu/kernels/activation/generic/sve2/qasymm8_signed.cpp
index 906ec87..da4f5e2 100644
--- a/src/cpu/kernels/activation/generic/sve2/qasymm8_signed.cpp
+++ b/src/cpu/kernels/activation/generic/sve2/qasymm8_signed.cpp
@@ -125,16 +125,11 @@
                 // De-quantize
                 const auto vin_deq = svdequantize_z(pg, vin, qi_in);
                 // Perform activation
-                const svfloat32x4_t tmp_dep =
-                {
-                    { {
-                            svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 0))))),
-                            svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 1))))),
-                            svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 2))))),
-                            svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 3))))),
-                        }
-                    }
-                };
+                const svfloat32x4_t tmp_dep = svcreate4_f32(
+                                                  svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 0))))),
+                                                  svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 1))))),
+                                                  svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 2))))),
+                                                  svdiv_f32_z(pg, vconst_1, svadd_f32_z(pg, vconst_1, svexp_f32_z(pg, svneg_f32_z(pg, svget4_f32(vin_deq, 3))))));
                 // Re-quantize to new output space
                 tmp = svquantize_signed_z(pg, tmp_dep, qi_out);
             }
@@ -143,16 +138,11 @@
                 // De-quantize
                 const auto vin_deq = svdequantize_z(pg, vin, qi_in);
                 // Perform activation
-                const svfloat32x4_t tmp_dep =
-                {
-                    { {
-                            svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 0), vb_f32))),
-                            svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 1), vb_f32))),
-                            svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 2), vb_f32))),
-                            svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 3), vb_f32))),
-                        }
-                    }
-                };
+                const svfloat32x4_t tmp_dep = svcreate4_f32(
+                                                  svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 0), vb_f32))),
+                                                  svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 1), vb_f32))),
+                                                  svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 2), vb_f32))),
+                                                  svmul_f32_z(pg, va_f32, svtanh_f32_z(pg, svmul_f32_z(pg, svget4_f32(vin_deq, 3), vb_f32))));
                 // Re-quantize to new output space
                 tmp = svquantize_signed_z(pg, tmp_dep, qi_out);
             }
@@ -161,16 +151,11 @@
                 // De-quantize
                 const auto vin_deq = svdequantize_z(pg, vin, qi_in);
                 // Perform activation
-                const svfloat32x4_t tmp_dep =
-                {
-                    { {
-                            svmul_f32_z(pg, svget4_f32(vin_deq, 0), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 0), const_3_f32))))),
-                            svmul_f32_z(pg, svget4_f32(vin_deq, 1), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 1), const_3_f32))))),
-                            svmul_f32_z(pg, svget4_f32(vin_deq, 2), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 2), const_3_f32))))),
-                            svmul_f32_z(pg, svget4_f32(vin_deq, 3), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 3), const_3_f32))))),
-                        }
-                    }
-                };
+                const svfloat32x4_t tmp_dep = svcreate4_f32(
+                                                  svmul_f32_z(pg, svget4_f32(vin_deq, 0), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 0), const_3_f32))))),
+                                                  svmul_f32_z(pg, svget4_f32(vin_deq, 1), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 1), const_3_f32))))),
+                                                  svmul_f32_z(pg, svget4_f32(vin_deq, 2), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 2), const_3_f32))))),
+                                                  svmul_f32_z(pg, svget4_f32(vin_deq, 3), svmul_f32_z(pg, const_inv_6_f32, svmin_f32_z(pg, const_6_f32, svmax_f32_z(pg, const_0_f32, svadd_f32_z(pg, svget4_f32(vin_deq, 3), const_3_f32))))));
                 // Re-quantize to new output space
                 tmp = svquantize_signed_z(pg, tmp_dep, qi_out);
             }
@@ -180,16 +165,11 @@
                 svint32x4_t tmp_dep;
 
                 // Expand to int32
-                const svint32x4_t vin_s32 =
-                {
-                    { {
-                            svmovlb_s32(svmovlb_s16(vin)),
-                            svmovlt_s32(svmovlb_s16(vin)),
-                            svmovlb_s32(svmovlt_s16(vin)),
-                            svmovlt_s32(svmovlt_s16(vin)),
-                        }
-                    }
-                };
+                const svint32x4_t vin_s32 = svcreate4_s32(
+                                                svmovlb_s32(svmovlb_s16(vin)),
+                                                svmovlt_s32(svmovlb_s16(vin)),
+                                                svmovlb_s32(svmovlt_s16(vin)),
+                                                svmovlt_s32(svmovlt_s16(vin)));
 
                 // Compare elements to input offset
                 if(qi_in.scale >= 0)