ggml-cpu: disable more faulty code for rework

Signed-off-by: Aaron Teo <[email protected]>

Author: taronaeo

ggml/src/ggml-cpu/ggml-cpu.c

@@ -3206,24 +3206,24 @@ void ggml_cpu_fp32_to_fp16(const float * x, ggml_fp16_t * y, int64_t n) {
         __m128i y_vec = _mm_cvtps_ph(x_vec, _MM_FROUND_TO_NEAREST_INT);
         _mm_storel_epi64((__m128i *)(y + i), y_vec);
     }
-#elif defined(__NNPA__)
-    for (; i + 7 < n; i += 8) {
-        float32x4_t v_xh = vec_xl(0, (const float *)(x + i + 0));
-        float32x4_t v_xl = vec_xl(0, (const float *)(x + i + 4));
-        uint16x8_t v_yd = vec_round_from_fp32(v_xh, v_xl, 0);
-        uint16x8_t v_y = vec_convert_to_fp16(v_yd, 0);
-        vec_xst(v_y, 0, (ggml_fp16_t *)(y + i));
-    }
-    for (; i + 3 < n; i += 4) {
-        float32x4_t v_x = vec_xl(0, (const float *)(x + i));
-        float32x4_t v_zero = vec_splats(0.0f);
-        uint16x8_t v_yd = vec_round_from_fp32(v_x, v_zero, 0);
-        uint16x8_t v_y = vec_convert_to_fp16(v_yd, 0);
-        y[i + 0] = vec_extract(v_y, 0);
-        y[i + 1] = vec_extract(v_y, 1);
-        y[i + 2] = vec_extract(v_y, 2);
-        y[i + 3] = vec_extract(v_y, 3);
-    }
+// #elif defined(__NNPA__)
+//     for (; i + 7 < n; i += 8) {
+//         float32x4_t v_xh = vec_xl(0, (const float *)(x + i + 0));
+//         float32x4_t v_xl = vec_xl(0, (const float *)(x + i + 4));
+//         uint16x8_t v_yd = vec_round_from_fp32(v_xh, v_xl, 0);
+//         uint16x8_t v_y = vec_convert_to_fp16(v_yd, 0);
+//         vec_xst(v_y, 0, (ggml_fp16_t *)(y + i));
+//     }
+//     for (; i + 3 < n; i += 4) {
+//         float32x4_t v_x = vec_xl(0, (const float *)(x + i));
+//         float32x4_t v_zero = vec_splats(0.0f);
+//         uint16x8_t v_yd = vec_round_from_fp32(v_x, v_zero, 0);
+//         uint16x8_t v_y = vec_convert_to_fp16(v_yd, 0);
+//         y[i + 0] = vec_extract(v_y, 0);
+//         y[i + 1] = vec_extract(v_y, 1);
+//         y[i + 2] = vec_extract(v_y, 2);
+//         y[i + 3] = vec_extract(v_y, 3);
+//     }
 #endif
     for (; i < n; ++i) {
         y[i] = GGML_CPU_FP32_TO_FP16(x[i]);