| // Auto-generated file. Do not edit! |
| // Template: src/f32-velu/neon-p6.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 <arm_neon.h> |
| |
| #include <xnnpack/vunary.h> |
| #include <xnnpack/common.h> |
| |
| |
| void xnn_f32_velu_ukernel__neon_rr2_p6_x20( |
| size_t n, |
| const float* x, |
| float* y, |
| const union xnn_f32_elu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const float32x4_t vprescale = vld1q_dup_f32(¶ms->scalar.prescale); |
| const float32x4_t valpha = vld1q_dup_f32(¶ms->scalar.alpha); |
| const float32x4_t vbeta = vld1q_dup_f32(¶ms->scalar.beta); |
| |
| const float32x4_t vsat_cutoff = vmovq_n_f32(-0x1.154246p+4f); |
| const float32x4_t vmagic_bias = vmovq_n_f32(0x1.8000FEp23f); |
| const float32x4_t vlog2e = vmovq_n_f32(0x1.715476p+0f); |
| const float32x4_t vminus_ln2_hi = vmovq_n_f32(-0x1.62E440p-1f); |
| const float32x4_t vminus_ln2_lo = vmovq_n_f32(0x1.0105C6p-21f); |
| const float32x4_t vc6 = vmovq_n_f32(0x1.6b7338p-10f); |
| const float32x4_t vc5 = vmovq_n_f32(0x1.12278Ep-7f); |
| const float32x4_t vc4 = vmovq_n_f32(0x1.555716p-5f); |
| const float32x4_t vc3 = vmovq_n_f32(0x1.5554B0p-3f); |
| const float32x4_t vc2 = vmovq_n_f32(0x1.FFFFFEp-2f); |
| const float32x4_t vone = vmovq_n_f32(1.0f); |
| |
| for (; n >= 20 * sizeof(float); n -= 20 * sizeof(float)) { |
| float32x4_t vx0123 = vld1q_f32(x); x += 4; |
| float32x4_t vx4567 = vld1q_f32(x); x += 4; |
| float32x4_t vx89AB = vld1q_f32(x); x += 4; |
| float32x4_t vxCDEF = vld1q_f32(x); x += 4; |
| float32x4_t vxGHIJ = vld1q_f32(x); x += 4; |
| |
| const float32x4_t vz0123 = vmaxq_f32(vmulq_f32(vx0123, vprescale), vsat_cutoff); |
| const float32x4_t vz4567 = vmaxq_f32(vmulq_f32(vx4567, vprescale), vsat_cutoff); |
| const float32x4_t vz89AB = vmaxq_f32(vmulq_f32(vx89AB, vprescale), vsat_cutoff); |
| const float32x4_t vzCDEF = vmaxq_f32(vmulq_f32(vxCDEF, vprescale), vsat_cutoff); |
| const float32x4_t vzGHIJ = vmaxq_f32(vmulq_f32(vxGHIJ, vprescale), vsat_cutoff); |
| |
| float32x4_t vn0123 = vmlaq_f32(vmagic_bias, vz0123, vlog2e); |
| float32x4_t vn4567 = vmlaq_f32(vmagic_bias, vz4567, vlog2e); |
| float32x4_t vn89AB = vmlaq_f32(vmagic_bias, vz89AB, vlog2e); |
| float32x4_t vnCDEF = vmlaq_f32(vmagic_bias, vzCDEF, vlog2e); |
| float32x4_t vnGHIJ = vmlaq_f32(vmagic_bias, vzGHIJ, vlog2e); |
| |
| float32x4_t vs0123 = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn0123), 23)); |
| vn0123 = vsubq_f32(vn0123, vmagic_bias); |
| float32x4_t vs4567 = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn4567), 23)); |
| vn4567 = vsubq_f32(vn4567, vmagic_bias); |
| float32x4_t vs89AB = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn89AB), 23)); |
| vn89AB = vsubq_f32(vn89AB, vmagic_bias); |
| float32x4_t vsCDEF = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vnCDEF), 23)); |
| vnCDEF = vsubq_f32(vnCDEF, vmagic_bias); |
| float32x4_t vsGHIJ = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vnGHIJ), 23)); |
| vnGHIJ = vsubq_f32(vnGHIJ, vmagic_bias); |
| |
| float32x4_t vt0123 = vmlaq_f32(vz0123, vn0123, vminus_ln2_hi); |
| float32x4_t vt4567 = vmlaq_f32(vz4567, vn4567, vminus_ln2_hi); |
| float32x4_t vt89AB = vmlaq_f32(vz89AB, vn89AB, vminus_ln2_hi); |
| float32x4_t vtCDEF = vmlaq_f32(vzCDEF, vnCDEF, vminus_ln2_hi); |
| float32x4_t vtGHIJ = vmlaq_f32(vzGHIJ, vnGHIJ, vminus_ln2_hi); |
| |
| vt0123 = vmlaq_f32(vt0123, vn0123, vminus_ln2_lo); |
| vt4567 = vmlaq_f32(vt4567, vn4567, vminus_ln2_lo); |
| vt89AB = vmlaq_f32(vt89AB, vn89AB, vminus_ln2_lo); |
| vtCDEF = vmlaq_f32(vtCDEF, vnCDEF, vminus_ln2_lo); |
| vtGHIJ = vmlaq_f32(vtGHIJ, vnGHIJ, vminus_ln2_lo); |
| |
| float32x4_t vp0123 = vmlaq_f32(vc5, vc6, vt0123); |
| float32x4_t vp4567 = vmlaq_f32(vc5, vc6, vt4567); |
| float32x4_t vp89AB = vmlaq_f32(vc5, vc6, vt89AB); |
| float32x4_t vpCDEF = vmlaq_f32(vc5, vc6, vtCDEF); |
| float32x4_t vpGHIJ = vmlaq_f32(vc5, vc6, vtGHIJ); |
| |
| vp0123 = vmlaq_f32(vc4, vp0123, vt0123); |
| vp4567 = vmlaq_f32(vc4, vp4567, vt4567); |
| vp89AB = vmlaq_f32(vc4, vp89AB, vt89AB); |
| vpCDEF = vmlaq_f32(vc4, vpCDEF, vtCDEF); |
| vpGHIJ = vmlaq_f32(vc4, vpGHIJ, vtGHIJ); |
| |
| vp0123 = vmlaq_f32(vc3, vp0123, vt0123); |
| vp4567 = vmlaq_f32(vc3, vp4567, vt4567); |
| vp89AB = vmlaq_f32(vc3, vp89AB, vt89AB); |
| vpCDEF = vmlaq_f32(vc3, vpCDEF, vtCDEF); |
| vpGHIJ = vmlaq_f32(vc3, vpGHIJ, vtGHIJ); |
| |
| vp0123 = vmlaq_f32(vc2, vp0123, vt0123); |
| vp4567 = vmlaq_f32(vc2, vp4567, vt4567); |
| vp89AB = vmlaq_f32(vc2, vp89AB, vt89AB); |
| vpCDEF = vmlaq_f32(vc2, vpCDEF, vtCDEF); |
| vpGHIJ = vmlaq_f32(vc2, vpGHIJ, vtGHIJ); |
| |
| vp0123 = vmulq_f32(vp0123, vt0123); |
| vp4567 = vmulq_f32(vp4567, vt4567); |
| vp89AB = vmulq_f32(vp89AB, vt89AB); |
| vpCDEF = vmulq_f32(vpCDEF, vtCDEF); |
| vpGHIJ = vmulq_f32(vpGHIJ, vtGHIJ); |
| |
| vt0123 = vmulq_f32(vt0123, vs0123); |
| vs0123 = vsubq_f32(vs0123, vone); |
| vt4567 = vmulq_f32(vt4567, vs4567); |
| vs4567 = vsubq_f32(vs4567, vone); |
| vt89AB = vmulq_f32(vt89AB, vs89AB); |
| vs89AB = vsubq_f32(vs89AB, vone); |
| vtCDEF = vmulq_f32(vtCDEF, vsCDEF); |
| vsCDEF = vsubq_f32(vsCDEF, vone); |
| vtGHIJ = vmulq_f32(vtGHIJ, vsGHIJ); |
| vsGHIJ = vsubq_f32(vsGHIJ, vone); |
| |
| vp0123 = vmlaq_f32(vt0123, vp0123, vt0123); |
| vp4567 = vmlaq_f32(vt4567, vp4567, vt4567); |
| vp89AB = vmlaq_f32(vt89AB, vp89AB, vt89AB); |
| vpCDEF = vmlaq_f32(vtCDEF, vpCDEF, vtCDEF); |
| vpGHIJ = vmlaq_f32(vtGHIJ, vpGHIJ, vtGHIJ); |
| |
| const float32x4_t ve0123 = vmulq_f32(vaddq_f32(vp0123, vs0123), valpha); |
| const float32x4_t ve4567 = vmulq_f32(vaddq_f32(vp4567, vs4567), valpha); |
| const float32x4_t ve89AB = vmulq_f32(vaddq_f32(vp89AB, vs89AB), valpha); |
| const float32x4_t veCDEF = vmulq_f32(vaddq_f32(vpCDEF, vsCDEF), valpha); |
| const float32x4_t veGHIJ = vmulq_f32(vaddq_f32(vpGHIJ, vsGHIJ), valpha); |
| |
| const uint32x4_t vm0123 = vcltq_f32(vx0123, vmovq_n_f32(0.0f)); |
| vx0123 = vmulq_f32(vx0123, vbeta); |
| const uint32x4_t vm4567 = vcltq_f32(vx4567, vmovq_n_f32(0.0f)); |
| vx4567 = vmulq_f32(vx4567, vbeta); |
| const uint32x4_t vm89AB = vcltq_f32(vx89AB, vmovq_n_f32(0.0f)); |
| vx89AB = vmulq_f32(vx89AB, vbeta); |
| const uint32x4_t vmCDEF = vcltq_f32(vxCDEF, vmovq_n_f32(0.0f)); |
| vxCDEF = vmulq_f32(vxCDEF, vbeta); |
| const uint32x4_t vmGHIJ = vcltq_f32(vxGHIJ, vmovq_n_f32(0.0f)); |
| vxGHIJ = vmulq_f32(vxGHIJ, vbeta); |
| |
| const float32x4_t vy0123 = vbslq_f32(vm0123, ve0123, vx0123); |
| const float32x4_t vy4567 = vbslq_f32(vm4567, ve4567, vx4567); |
| const float32x4_t vy89AB = vbslq_f32(vm89AB, ve89AB, vx89AB); |
| const float32x4_t vyCDEF = vbslq_f32(vmCDEF, veCDEF, vxCDEF); |
| const float32x4_t vyGHIJ = vbslq_f32(vmGHIJ, veGHIJ, vxGHIJ); |
| |
| vst1q_f32(y, vy0123); y += 4; |
| vst1q_f32(y, vy4567); y += 4; |
| vst1q_f32(y, vy89AB); y += 4; |
| vst1q_f32(y, vyCDEF); y += 4; |
| vst1q_f32(y, vyGHIJ); y += 4; |
| } |
| for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { |
| float32x4_t vx = vld1q_f32(x); x += 4; |
| |
| const float32x4_t vz = vmaxq_f32(vmulq_f32(vx, vprescale), vsat_cutoff); |
| |
| float32x4_t vn = vmlaq_f32(vmagic_bias, vz, vlog2e); |
| float32x4_t vs = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn), 23)); |
| vn = vsubq_f32(vn, vmagic_bias); |
| |
| float32x4_t vt = vmlaq_f32(vz, vn, vminus_ln2_hi); |
| vt = vmlaq_f32(vt, vn, vminus_ln2_lo); |
| |
| float32x4_t vp = vmlaq_f32(vc5, vc6, vt); |
| vp = vmlaq_f32(vc4, vp, vt); |
| vp = vmlaq_f32(vc3, vp, vt); |
| vp = vmlaq_f32(vc2, vp, vt); |
| vp = vmulq_f32(vp, vt); |
| |
| vt = vmulq_f32(vt, vs); |
| vs = vsubq_f32(vs, vone); |
| vp = vmlaq_f32(vt, vp, vt); |
| const float32x4_t ve = vmulq_f32(vaddq_f32(vp, vs), valpha); |
| |
| const uint32x4_t vm = vcltq_f32(vx, vmovq_n_f32(0.0f)); |
| vx = vmulq_f32(vx, vbeta); |
| const float32x4_t vy = vbslq_f32(vm, ve, vx); |
| |
| vst1q_f32(y, vy); y += 4; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| float32x4_t vx = vld1q_f32(x); |
| |
| const float32x4_t vz = vmaxq_f32(vmulq_f32(vx, vprescale), vsat_cutoff); |
| |
| float32x4_t vn = vmlaq_f32(vmagic_bias, vz, vlog2e); |
| float32x4_t vs = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn), 23)); |
| vn = vsubq_f32(vn, vmagic_bias); |
| |
| float32x4_t vt = vmlaq_f32(vz, vn, vminus_ln2_hi); |
| vt = vmlaq_f32(vt, vn, vminus_ln2_lo); |
| |
| float32x4_t vp = vmlaq_f32(vc5, vc6, vt); |
| vp = vmlaq_f32(vc4, vp, vt); |
| vp = vmlaq_f32(vc3, vp, vt); |
| vp = vmlaq_f32(vc2, vp, vt); |
| vp = vmulq_f32(vp, vt); |
| |
| vt = vmulq_f32(vt, vs); |
| vs = vsubq_f32(vs, vone); |
| vp = vmlaq_f32(vt, vp, vt); |
| const float32x4_t ve = vmulq_f32(vaddq_f32(vp, vs), valpha); |
| |
| const uint32x4_t vm = vcltq_f32(vx, vmovq_n_f32(0.0f)); |
| vx = vmulq_f32(vx, vbeta); |
| const float32x4_t vy = vbslq_f32(vm, ve, vx); |
| |
| float32x2_t vy_lo = vget_low_f32(vy); |
| if (n & (2 * sizeof(float))) { |
| vst1_f32(y, vy_lo); y += 2; |
| vy_lo = vget_high_f32(vy); |
| } |
| if (n & (1 * sizeof(float))) { |
| vst1_lane_f32(y, vy_lo, 0); |
| } |
| } |
| } |