| // Auto-generated file. Do not edit! |
| // Template: src/qs8-vmul/wasmsimd-mul32-ld64.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <wasm_simd128.h> |
| |
| #include <xnnpack/vmul.h> |
| |
| |
| void xnn_qs8_vmul_minmax_fp32_ukernel__wasmsimd_mul32_ld64_x8( |
| size_t n, |
| const int8_t* input_a, |
| const int8_t* input_b, |
| int8_t* output, |
| const union xnn_qs8_mul_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| |
| { |
| const v128_t va_zero_point = wasm_v128_load(params->fp32_wasmsimd.a_zero_point); |
| const v128_t vb_zero_point = wasm_v128_load(params->fp32_wasmsimd.b_zero_point); |
| const v128_t vscale = wasm_v128_load(params->fp32_wasmsimd.scale); |
| const v128_t vmagic_bias = wasm_v128_load(params->fp32_wasmsimd.magic_bias); |
| const v128_t vmagic_min = wasm_v128_load(params->fp32_wasmsimd.magic_min); |
| const v128_t vmagic_bias_less_output_zero_point = wasm_v128_load(params->fp32_wasmsimd.magic_bias_less_output_zero_point); |
| const v128_t voutput_max = wasm_v128_load(params->fp32_wasmsimd.output_max); |
| |
| for (; n >= 8 * sizeof(int8_t); n -= 8 * sizeof(int8_t)) { |
| const v128_t va01234567 = wasm_i16x8_load8x8(input_a); |
| const v128_t vb01234567 = wasm_i16x8_load8x8(input_b); |
| input_a += 8; |
| input_b += 8; |
| |
| const v128_t vxa01234567 = wasm_i16x8_sub(va01234567, va_zero_point); |
| const v128_t vxb01234567 = wasm_i16x8_sub(vb01234567, vb_zero_point); |
| |
| v128_t vacc0123 = wasm_i32x4_mul(wasm_i32x4_extend_low_i16x8(vxa01234567), wasm_i32x4_extend_low_i16x8(vxb01234567)); |
| v128_t vacc4567 = wasm_i32x4_mul(wasm_i32x4_extend_high_i16x8(vxa01234567), wasm_i32x4_extend_high_i16x8(vxb01234567)); |
| |
| vacc0123 = wasm_f32x4_convert_i32x4(vacc0123); |
| vacc4567 = wasm_f32x4_convert_i32x4(vacc4567); |
| |
| vacc0123 = wasm_f32x4_mul(vacc0123, vscale); |
| vacc4567 = wasm_f32x4_mul(vacc4567, vscale); |
| |
| vacc0123 = wasm_f32x4_add(vacc0123, vmagic_bias); |
| vacc4567 = wasm_f32x4_add(vacc4567, vmagic_bias); |
| |
| vacc0123 = wasm_i32x4_max(vacc0123, vmagic_min); |
| vacc4567 = wasm_i32x4_max(vacc4567, vmagic_min); |
| |
| vacc0123 = wasm_i32x4_sub(vacc0123, vmagic_bias_less_output_zero_point); |
| vacc4567 = wasm_i32x4_sub(vacc4567, vmagic_bias_less_output_zero_point); |
| |
| v128_t vout01234567 = wasm_i16x8_narrow_i32x4(vacc0123, vacc4567); |
| |
| v128_t vout0123456701234567 = wasm_i8x16_narrow_i16x8(vout01234567, vout01234567); |
| |
| vout0123456701234567 = wasm_i8x16_min(vout0123456701234567, voutput_max); |
| |
| *((double*) output) = wasm_f64x2_extract_lane(vout0123456701234567, 0); |
| output += 8; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| { |
| const v128_t va01234567 = wasm_i16x8_load8x8(input_a); |
| const v128_t vb01234567 = wasm_i16x8_load8x8(input_b); |
| |
| const v128_t vxa01234567 = wasm_i16x8_sub(va01234567, va_zero_point); |
| const v128_t vxb01234567 = wasm_i16x8_sub(vb01234567, vb_zero_point); |
| |
| v128_t vacc0123 = wasm_i32x4_mul(wasm_i32x4_extend_low_i16x8(vxa01234567), wasm_i32x4_extend_low_i16x8(vxb01234567)); |
| v128_t vacc4567 = wasm_i32x4_mul(wasm_i32x4_extend_high_i16x8(vxa01234567), wasm_i32x4_extend_high_i16x8(vxb01234567)); |
| |
| vacc0123 = wasm_f32x4_convert_i32x4(vacc0123); |
| vacc4567 = wasm_f32x4_convert_i32x4(vacc4567); |
| |
| vacc0123 = wasm_f32x4_mul(vacc0123, vscale); |
| vacc4567 = wasm_f32x4_mul(vacc4567, vscale); |
| |
| vacc0123 = wasm_f32x4_add(vacc0123, vmagic_bias); |
| vacc4567 = wasm_f32x4_add(vacc4567, vmagic_bias); |
| |
| vacc0123 = wasm_i32x4_max(vacc0123, vmagic_min); |
| vacc4567 = wasm_i32x4_max(vacc4567, vmagic_min); |
| |
| vacc0123 = wasm_i32x4_sub(vacc0123, vmagic_bias_less_output_zero_point); |
| vacc4567 = wasm_i32x4_sub(vacc4567, vmagic_bias_less_output_zero_point); |
| |
| v128_t vout01234567 = wasm_i16x8_narrow_i32x4(vacc0123, vacc4567); |
| v128_t vout0123456701234567 = wasm_i8x16_narrow_i16x8(vout01234567, vout01234567); |
| vout0123456701234567 = wasm_i8x16_min(vout0123456701234567, voutput_max); |
| |
| if (n & (4 * sizeof(int8_t))) { |
| *((float*) output) = wasm_f32x4_extract_lane(vout0123456701234567, 0); |
| vout0123456701234567 = wasm_u64x2_shr(vout0123456701234567, 32); |
| output += 4; |
| } |
| uint32_t vout0123 = wasm_i32x4_extract_lane(vout0123456701234567, 0); |
| if (n & (2 * sizeof(int8_t))) { |
| *((uint16_t*) output) = (uint16_t) vout0123; |
| vout0123 >>= 16; |
| output += 2; |
| } |
| if (n & (1 * sizeof(int8_t))) { |
| *output = (int8_t) vout0123; |
| } |
| } |
| } |
| } |