fix qrshl for negative numbers

mindspore/lite/nnacl/winograd_transform.c

@@ -685,6 +685,9 @@ void Conv3x3Int8OutputUnit(const int32_t *gemm_out, const int32_t *bias_data, in
 
   d00 = vqshlq_s32(d00, ls);
   d00 = vqrdmulhq_s32(d00, out_multiplier);
+  int32x4_t carry = vandq_s32(d00, rs);
+  carry = vshrq_n_s32(carry, 31);
+  d00 = vqaddq_s32(d00, carry);
   d00 = vqrshlq_s32(d00, rs);
   d00 = vaddq_s32(d00, out_zp);
   d00 = vmaxq_s32(d00, output_min);
@@ -692,6 +695,9 @@ void Conv3x3Int8OutputUnit(const int32_t *gemm_out, const int32_t *bias_data, in
 
   d01 = vqshlq_s32(d01, ls);
   d01 = vqrdmulhq_s32(d01, out_multiplier);
+  carry = vandq_s32(d01, rs);
+  carry = vshrq_n_s32(carry, 31);
+  d01 = vqaddq_s32(d01, carry);
   d01 = vqrshlq_s32(d01, rs);
   d01 = vaddq_s32(d01, out_zp);
   d01 = vmaxq_s32(d01, output_min);
@@ -699,6 +705,9 @@ void Conv3x3Int8OutputUnit(const int32_t *gemm_out, const int32_t *bias_data, in
 
   d10 = vqshlq_s32(d10, ls);
   d10 = vqrdmulhq_s32(d10, out_multiplier);
+  carry = vandq_s32(d10, rs);
+  carry = vshrq_n_s32(carry, 31);
+  d10 = vqaddq_s32(d10, carry);
   d10 = vqrshlq_s32(d10, rs);
   d10 = vaddq_s32(d10, out_zp);
   d10 = vmaxq_s32(d10, output_min);
@@ -706,6 +715,9 @@ void Conv3x3Int8OutputUnit(const int32_t *gemm_out, const int32_t *bias_data, in
 
   d11 = vqshlq_s32(d11, ls);
   d11 = vqrdmulhq_s32(d11, out_multiplier);
+  carry = vandq_s32(d11, rs);
+  carry = vshrq_n_s32(carry, 31);
+  d11 = vqaddq_s32(d11, carry);
   d11 = vqrshlq_s32(d11, rs);
   d11 = vaddq_s32(d11, out_zp);
   d11 = vmaxq_s32(d11, output_min);