diff options
Diffstat (limited to 'arm_compute/core/NEON/NEAsymm.h')
| -rw-r--r-- | arm_compute/core/NEON/NEAsymm.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arm_compute/core/NEON/NEAsymm.h b/arm_compute/core/NEON/NEAsymm.h index a3bd7e28f0..c75a58046b 100644 --- a/arm_compute/core/NEON/NEAsymm.h +++ b/arm_compute/core/NEON/NEAsymm.h @@ -325,23 +325,22 @@ inline float32x4x4_t vdequantize(const uint8x16_t &qv, float scale, int32_t offs return vdequantized_input; } -/** Dequantize following an asymmetric quantization scheme a neon vector holding 16 quantized values. +/** Dequantize following symmetric quantization scheme a neon vector holding 16 quantized values. * - * @param[in] qv Input values to be dequantized. - * @param[in] vscale Vector containing quantization scaling factors. - * @param[in] voffset Vector containing quantization offset. + * @param[in] qv Input values to be dequantized. + * @param[in] vscale Vector containing quantization scaling factors. * * @return Dequantized values in a neon vector */ -inline float32x4x4_t vdequantize(const uint8x16_t &qv, const float32x4x4_t vscale, const int32x4x4_t voffset) +inline float32x4x4_t vdequantize(const int8x16_t &qv, const float32x4x4_t vscale) { const float32x4x4_t vdequantized_input = { { - vmulq_f32(vcvtq_f32_s32(vsubq_s32(vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(vmovl_u8(vget_low_u8(qv))))), voffset.val[0])), vscale.val[0]), - vmulq_f32(vcvtq_f32_s32(vsubq_s32(vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(vmovl_u8(vget_low_u8(qv))))), voffset.val[1])), vscale.val[1]), - vmulq_f32(vcvtq_f32_s32(vsubq_s32(vreinterpretq_s32_u32(vmovl_u16(vget_low_u16(vmovl_u8(vget_high_u8(qv))))), voffset.val[2])), vscale.val[2]), - vmulq_f32(vcvtq_f32_s32(vsubq_s32(vreinterpretq_s32_u32(vmovl_u16(vget_high_u16(vmovl_u8(vget_high_u8(qv))))), voffset.val[3])), vscale.val[3]), + vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(vmovl_s8(vget_low_s8(qv))))), vscale.val[0]), + vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(vmovl_s8(vget_low_s8(qv))))), vscale.val[1]), + vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_low_s16(vmovl_s8(vget_high_s8(qv))))), vscale.val[2]), + vmulq_f32(vcvtq_f32_s32(vmovl_s16(vget_high_s16(vmovl_s8(vget_high_s8(qv))))), vscale.val[3]), } }; return vdequantized_input; |