| // Auto-generated file. Do not edit! |
| // Template: src/qs8-gemm/MRx4c8-wasmsimd.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2020 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/gemm.h> |
| #include <xnnpack/math.h> |
| |
| |
| void xnn_qs8_gemm_minmax_gemmlowp_ukernel_2x4c8__wasmsimd_ld128( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| const int8_t* restrict a, |
| size_t a_stride, |
| const void* restrict w, |
| int8_t* restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| { |
| assert(mr != 0); |
| assert(mr <= 2); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(kc % sizeof(int8_t) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| kc = round_up_po2(kc, 8); |
| const int8_t* a0 = a; |
| int8_t* c0 = c; |
| const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride); |
| int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr != 2) { |
| a1 = a0; |
| c1 = c0; |
| } |
| |
| const v128_t vzero = wasm_f64x2_splat(0.0); |
| do { |
| v128_t vacc0x0 = wasm_f32x4_replace_lane(vzero, 0, ((const float*) w)[0]); |
| v128_t vacc0x1 = wasm_f32x4_replace_lane(vzero, 0, ((const float*) w)[1]); |
| v128_t vacc0x2 = wasm_f32x4_replace_lane(vzero, 0, ((const float*) w)[2]); |
| v128_t vacc0x3 = wasm_f32x4_replace_lane(vzero, 0, ((const float*) w)[3]); |
| v128_t vacc1x0 = vacc0x0; |
| v128_t vacc1x1 = vacc0x1; |
| v128_t vacc1x2 = vacc0x2; |
| v128_t vacc1x3 = vacc0x3; |
| w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t)); |
| |
| size_t k = 0; |
| while (k < kc) { |
| const v128_t vxa0 = wasm_i16x8_load_8x8(a0); |
| a0 += 8; |
| const v128_t vxa1 = wasm_i16x8_load_8x8(a1); |
| a1 += 8; |
| |
| const v128_t vb01 = wasm_v128_load(w); |
| const v128_t vxb0 = wasm_i16x8_widen_low_i8x16(vb01); |
| const v128_t vxb1 = wasm_i16x8_widen_high_i8x16(vb01); |
| |
| const v128_t vprod0x0 = wasm_i16x8_mul(vxb0, vxa0); |
| vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_widen_low_i16x8(vprod0x0)); |
| const v128_t vprod1x0 = wasm_i16x8_mul(vxb0, vxa1); |
| vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_widen_low_i16x8(vprod1x0)); |
| |
| const v128_t vprod0x1 = wasm_i16x8_mul(vxb1, vxa0); |
| vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_widen_low_i16x8(vprod0x1)); |
| vacc0x0 = wasm_i32x4_add(vacc0x0, wasm_i32x4_widen_high_i16x8(vprod0x0)); |
| const v128_t vprod1x1 = wasm_i16x8_mul(vxb1, vxa1); |
| vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_widen_low_i16x8(vprod1x1)); |
| vacc1x0 = wasm_i32x4_add(vacc1x0, wasm_i32x4_widen_high_i16x8(vprod1x0)); |
| |
| vacc0x1 = wasm_i32x4_add(vacc0x1, wasm_i32x4_widen_high_i16x8(vprod0x1)); |
| vacc1x1 = wasm_i32x4_add(vacc1x1, wasm_i32x4_widen_high_i16x8(vprod1x1)); |
| const v128_t vb23 = wasm_v128_load((const void*) ((uintptr_t) w + 16 * sizeof(int8_t))); |
| const v128_t vxb2 = wasm_i16x8_widen_low_i8x16(vb23); |
| const v128_t vxb3 = wasm_i16x8_widen_high_i8x16(vb23); |
| |
| const v128_t vprod0x2 = wasm_i16x8_mul(vxb2, vxa0); |
| vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_widen_low_i16x8(vprod0x2)); |
| const v128_t vprod1x2 = wasm_i16x8_mul(vxb2, vxa1); |
| vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_widen_low_i16x8(vprod1x2)); |
| |
| const v128_t vprod0x3 = wasm_i16x8_mul(vxb3, vxa0); |
| vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_widen_low_i16x8(vprod0x3)); |
| vacc0x2 = wasm_i32x4_add(vacc0x2, wasm_i32x4_widen_high_i16x8(vprod0x2)); |
| const v128_t vprod1x3 = wasm_i16x8_mul(vxb3, vxa1); |
| vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_widen_low_i16x8(vprod1x3)); |
| vacc1x2 = wasm_i32x4_add(vacc1x2, wasm_i32x4_widen_high_i16x8(vprod1x2)); |
| |
| vacc0x3 = wasm_i32x4_add(vacc0x3, wasm_i32x4_widen_high_i16x8(vprod0x3)); |
| vacc1x3 = wasm_i32x4_add(vacc1x3, wasm_i32x4_widen_high_i16x8(vprod1x3)); |
| |
| w = (const void*) ((uintptr_t) w + 32 * sizeof(int8_t)); |
| k += 8 * sizeof(int8_t); |
| } |
| |
| const v128_t vacc0x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x0, vacc0x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x0, vacc0x2, 2, 6, 3, 7)); |
| const v128_t vacc0x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x1, vacc0x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x1, vacc0x3, 2, 6, 3, 7)); |
| const v128_t vacc1x02 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x0, vacc1x2, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x0, vacc1x2, 2, 6, 3, 7)); |
| const v128_t vacc1x13 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x1, vacc1x3, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x1, vacc1x3, 2, 6, 3, 7)); |
| |
| v128_t vacc0x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc0x02, vacc0x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc0x02, vacc0x13, 2, 6, 3, 7)); |
| v128_t vacc1x0123 = wasm_i32x4_add(wasm_v32x4_shuffle(vacc1x02, vacc1x13, 0, 4, 1, 5), wasm_v32x4_shuffle(vacc1x02, vacc1x13, 2, 6, 3, 7)); |
| |
| const v128_t vsign0x0123 = wasm_i32x4_lt(vacc0x0123, vzero); |
| const v128_t vsign1x0123 = wasm_i32x4_lt(vacc1x0123, vzero); |
| |
| const v128_t vacc0x01 = wasm_v32x4_shuffle(vacc0x0123, vsign0x0123, 0, 4, 1, 5); |
| const v128_t vacc1x01 = wasm_v32x4_shuffle(vacc1x0123, vsign1x0123, 0, 4, 1, 5); |
| |
| const v128_t vmultiplier = wasm_v128_load(params->wasmsimd.multiplier); |
| const v128_t vrounding = wasm_v128_load(params->wasmsimd.rounding); |
| const v128_t vprod0x01 = wasm_i64x2_add(wasm_i64x2_mul(vacc0x01, vmultiplier), vrounding); |
| const v128_t vacc0x23 = wasm_v32x4_shuffle(vacc0x0123, vsign0x0123, 2, 6, 3, 7); |
| const v128_t vprod1x01 = wasm_i64x2_add(wasm_i64x2_mul(vacc1x01, vmultiplier), vrounding); |
| const v128_t vacc1x23 = wasm_v32x4_shuffle(vacc1x0123, vsign1x0123, 2, 6, 3, 7); |
| |
| const v128_t vprod0x23 = wasm_i64x2_add(wasm_i64x2_mul(vacc0x23, vmultiplier), vrounding); |
| const v128_t vprod1x23 = wasm_i64x2_add(wasm_i64x2_mul(vacc1x23, vmultiplier), vrounding); |
| |
| const v128_t vq31prod0x0123 = wasm_v32x4_shuffle(vprod0x01, vprod0x23, 1, 3, 5, 7); |
| const v128_t vq31prod1x0123 = wasm_v32x4_shuffle(vprod1x01, vprod1x23, 1, 3, 5, 7); |
| |
| const v128_t vremainder_mask = wasm_v128_load(params->wasmsimd.remainder_mask); |
| const v128_t vrem0x0123 = wasm_i32x4_add(wasm_v128_and(vq31prod0x0123, vremainder_mask), wasm_i32x4_lt(vq31prod0x0123, vzero)); |
| const v128_t vrem1x0123 = wasm_i32x4_add(wasm_v128_and(vq31prod1x0123, vremainder_mask), wasm_i32x4_lt(vq31prod1x0123, vzero)); |
| |
| const v128_t vthreshold = wasm_v128_load(params->wasmsimd.remainder_threshold); |
| const int32_t vshift = params->wasmsimd.shift; |
| vacc0x0123 = wasm_i32x4_sub(wasm_i32x4_shr(vq31prod0x0123, vshift), wasm_i32x4_gt(vrem0x0123, vthreshold)); |
| vacc1x0123 = wasm_i32x4_sub(wasm_i32x4_shr(vq31prod1x0123, vshift), wasm_i32x4_gt(vrem1x0123, vthreshold)); |
| |
| const v128_t voutput_zero_point = wasm_v128_load(params->wasmsimd.output_zero_point); |
| v128_t vacc01x0123 = wasm_i16x8_add_saturate(wasm_i16x8_narrow_i32x4(vacc0x0123, vacc1x0123), voutput_zero_point); |
| |
| v128_t vout = wasm_i8x16_narrow_i16x8(vacc01x0123, vacc01x0123); |
| |
| const v128_t voutput_min = wasm_v128_load(params->wasmsimd.output_min); |
| vout = wasm_i8x16_max(vout, voutput_min); |
| |
| const v128_t voutput_max = wasm_v128_load(params->wasmsimd.output_max); |
| vout = wasm_i8x16_min(vout, voutput_max); |
| |
| if (nc >= 4) { |
| *((float*) c0) = (float) wasm_f32x4_extract_lane(vout, 0); |
| *((float*) c1) = (float) wasm_f32x4_extract_lane(vout, 1); |
| |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| |
| a0 = (const int8_t*) ((uintptr_t) a0 - kc); |
| a1 = (const int8_t*) ((uintptr_t) a1 - kc); |
| |
| nc -= 4; |
| } else { |
| if (nc & 2) { |
| *((uint16_t*) c0) = (uint16_t) wasm_i16x8_extract_lane(vout, 0); |
| c0 += 2; |
| *((uint16_t*) c1) = (uint16_t) wasm_i16x8_extract_lane(vout, 2); |
| c1 += 2; |
| vout = wasm_u32x4_shr(vout, 16); |
| } |
| if (nc & 1) { |
| *c0 = (int8_t) wasm_i8x16_extract_lane(vout, 0); |
| *c1 = (int8_t) wasm_i8x16_extract_lane(vout, 4); |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |