CMSIS-DSP: Correction for float16 support with MVE.

ComputeLibrary/Include/NEMath.h

@@ -363,12 +363,12 @@ inline float16x8_t vtanhq_f16(float16x8_t val)
     return tanh;
 }
 
-inline float16x8_t vtaylor_polyq_f16(float16x8_t x, const std::array<float16x8_t, 8> &coeffs)
+inline float16x8_t vtaylor_polyq_f16(float16x8_t x, const float16_t *coeffs)
 {
-    const float16x8_t A   = vaddq_f16(coeffs[0], vmulq_f16(coeffs[4], x));
-    const float16x8_t B   = vaddq_f16(coeffs[2], vmulq_f16(coeffs[6], x));
-    const float16x8_t C   = vaddq_f16(coeffs[1], vmulq_f16(coeffs[5], x));
-    const float16x8_t D   = vaddq_f16(coeffs[3], vmulq_f16(coeffs[7], x));
+    const float16x8_t A   = vaddq_f16(&coeffs[8*0], vmulq_f16(&coeffs[8*4], x));
+    const float16x8_t B   = vaddq_f16(&coeffs[8*2], vmulq_f16(&coeffs[8*6], x));
+    const float16x8_t C   = vaddq_f16(&coeffs[8*1], vmulq_f16(&coeffs[8*5], x));
+    const float16x8_t D   = vaddq_f16(&coeffs[8*3], vmulq_f16(&coeffs[8*7], x));
     const float16x8_t x2  = vmulq_f16(x, x);
     const float16x8_t x4  = vmulq_f16(x2, x2);
     const float16x8_t res = vaddq_f16(vaddq_f16(A, vmulq_f16(B, x2)), vmulq_f16(vaddq_f16(C, vmulq_f16(D, x2)), x4));