// Auto-generated file. Do not edit! // Template: src/f32-sigmoid/neon-p5.c.in // Generator: tools/xngen // // Copyright 2019 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 #include #include #include void xnn_f32_sigmoid_ukernel__neonfma_rr1_p5_nr2recps_x24( size_t n, const float* x, float* y, const void* params) XNN_DISABLE_TSAN { assert(n % sizeof(float) == 0); const float32x4_t vmagic_bias = vmovq_n_f32(0x1.8000FEp23f); const float32x4_t vminus_log2e = vmovq_n_f32(-0x1.715476p+0f); const float32x4_t vln2 = vmovq_n_f32(0x1.62E43p-1f); const float32x4_t vc5 = vmovq_n_f32(-0x1.0F9F9Cp-7f); const float32x4_t vc4 = vmovq_n_f32(0x1.573A1Ap-5f); const float32x4_t vc3 = vmovq_n_f32(-0x1.555A80p-3f); const float32x4_t vc2 = vmovq_n_f32(0x1.FFFDC6p-2f); const float32x4_t vc1 = vmovq_n_f32(-0x1.FFFFF6p-1f); const float32x4_t vone = vmovq_n_f32(1.0f); const float32x4_t vdenorm_cutoff = vmovq_n_f32(-0x1.5D589Ep+6f); for (; n >= 24 * sizeof(float); n -= 24 * sizeof(float)) { const float32x4_t vx0123 = vld1q_f32(x); x += 4; const float32x4_t vx4567 = vld1q_f32(x); x += 4; const float32x4_t vx89AB = vld1q_f32(x); x += 4; const float32x4_t vxCDEF = vld1q_f32(x); x += 4; const float32x4_t vxGHIJ = vld1q_f32(x); x += 4; const float32x4_t vxKLMN = vld1q_f32(x); x += 4; const float32x4_t vz0123 = vabsq_f32(vx0123); const float32x4_t vz4567 = vabsq_f32(vx4567); const float32x4_t vz89AB = vabsq_f32(vx89AB); const float32x4_t vzCDEF = vabsq_f32(vxCDEF); const float32x4_t vzGHIJ = vabsq_f32(vxGHIJ); const float32x4_t vzKLMN = vabsq_f32(vxKLMN); float32x4_t vn0123 = vfmaq_f32(vmagic_bias, vz0123, vminus_log2e); float32x4_t vn4567 = vfmaq_f32(vmagic_bias, vz4567, vminus_log2e); float32x4_t vn89AB = vfmaq_f32(vmagic_bias, vz89AB, vminus_log2e); float32x4_t vnCDEF = vfmaq_f32(vmagic_bias, vzCDEF, vminus_log2e); float32x4_t vnGHIJ = vfmaq_f32(vmagic_bias, vzGHIJ, vminus_log2e); float32x4_t vnKLMN = vfmaq_f32(vmagic_bias, vzKLMN, vminus_log2e); const float32x4_t vs0123 = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn0123), 23)); const float32x4_t vs4567 = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn4567), 23)); const float32x4_t vs89AB = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn89AB), 23)); const float32x4_t vsCDEF = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vnCDEF), 23)); const float32x4_t vsGHIJ = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vnGHIJ), 23)); const float32x4_t vsKLMN = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vnKLMN), 23)); vn0123 = vsubq_f32(vn0123, vmagic_bias); vn4567 = vsubq_f32(vn4567, vmagic_bias); vn89AB = vsubq_f32(vn89AB, vmagic_bias); vnCDEF = vsubq_f32(vnCDEF, vmagic_bias); vnGHIJ = vsubq_f32(vnGHIJ, vmagic_bias); vnKLMN = vsubq_f32(vnKLMN, vmagic_bias); float32x4_t vt0123 = vfmaq_f32(vz0123, vn0123, vln2); float32x4_t vt4567 = vfmaq_f32(vz4567, vn4567, vln2); float32x4_t vt89AB = vfmaq_f32(vz89AB, vn89AB, vln2); float32x4_t vtCDEF = vfmaq_f32(vzCDEF, vnCDEF, vln2); float32x4_t vtGHIJ = vfmaq_f32(vzGHIJ, vnGHIJ, vln2); float32x4_t vtKLMN = vfmaq_f32(vzKLMN, vnKLMN, vln2); float32x4_t vp0123 = vfmaq_f32(vc4, vc5, vt0123); float32x4_t vp4567 = vfmaq_f32(vc4, vc5, vt4567); float32x4_t vp89AB = vfmaq_f32(vc4, vc5, vt89AB); float32x4_t vpCDEF = vfmaq_f32(vc4, vc5, vtCDEF); float32x4_t vpGHIJ = vfmaq_f32(vc4, vc5, vtGHIJ); float32x4_t vpKLMN = vfmaq_f32(vc4, vc5, vtKLMN); vp0123 = vfmaq_f32(vc3, vp0123, vt0123); vp4567 = vfmaq_f32(vc3, vp4567, vt4567); vp89AB = vfmaq_f32(vc3, vp89AB, vt89AB); vpCDEF = vfmaq_f32(vc3, vpCDEF, vtCDEF); vpGHIJ = vfmaq_f32(vc3, vpGHIJ, vtGHIJ); vpKLMN = vfmaq_f32(vc3, vpKLMN, vtKLMN); vp0123 = vfmaq_f32(vc2, vp0123, vt0123); vp4567 = vfmaq_f32(vc2, vp4567, vt4567); vp89AB = vfmaq_f32(vc2, vp89AB, vt89AB); vpCDEF = vfmaq_f32(vc2, vpCDEF, vtCDEF); vpGHIJ = vfmaq_f32(vc2, vpGHIJ, vtGHIJ); vpKLMN = vfmaq_f32(vc2, vpKLMN, vtKLMN); vp0123 = vfmaq_f32(vc1, vp0123, vt0123); vp4567 = vfmaq_f32(vc1, vp4567, vt4567); vp89AB = vfmaq_f32(vc1, vp89AB, vt89AB); vpCDEF = vfmaq_f32(vc1, vpCDEF, vtCDEF); vpGHIJ = vfmaq_f32(vc1, vpGHIJ, vtGHIJ); vpKLMN = vfmaq_f32(vc1, vpKLMN, vtKLMN); vt0123 = vmulq_f32(vt0123, vs0123); vt4567 = vmulq_f32(vt4567, vs4567); vt89AB = vmulq_f32(vt89AB, vs89AB); vtCDEF = vmulq_f32(vtCDEF, vsCDEF); vtGHIJ = vmulq_f32(vtGHIJ, vsGHIJ); vtKLMN = vmulq_f32(vtKLMN, vsKLMN); const float32x4_t ve0123 = vfmaq_f32(vs0123, vp0123, vt0123); const float32x4_t ve4567 = vfmaq_f32(vs4567, vp4567, vt4567); const float32x4_t ve89AB = vfmaq_f32(vs89AB, vp89AB, vt89AB); const float32x4_t veCDEF = vfmaq_f32(vsCDEF, vpCDEF, vtCDEF); const float32x4_t veGHIJ = vfmaq_f32(vsGHIJ, vpGHIJ, vtGHIJ); const float32x4_t veKLMN = vfmaq_f32(vsKLMN, vpKLMN, vtKLMN); const float32x4_t vd0123 = vaddq_f32(ve0123, vone); const float32x4_t vd4567 = vaddq_f32(ve4567, vone); const float32x4_t vd89AB = vaddq_f32(ve89AB, vone); const float32x4_t vdCDEF = vaddq_f32(veCDEF, vone); const float32x4_t vdGHIJ = vaddq_f32(veGHIJ, vone); const float32x4_t vdKLMN = vaddq_f32(veKLMN, vone); float32x4_t vr0123 = vrecpeq_f32(vd0123); float32x4_t vr4567 = vrecpeq_f32(vd4567); float32x4_t vr89AB = vrecpeq_f32(vd89AB); float32x4_t vrCDEF = vrecpeq_f32(vdCDEF); float32x4_t vrGHIJ = vrecpeq_f32(vdGHIJ); float32x4_t vrKLMN = vrecpeq_f32(vdKLMN); vr0123 = vmulq_f32(vr0123, vrecpsq_f32(vr0123, vd0123)); vr4567 = vmulq_f32(vr4567, vrecpsq_f32(vr4567, vd4567)); vr89AB = vmulq_f32(vr89AB, vrecpsq_f32(vr89AB, vd89AB)); vrCDEF = vmulq_f32(vrCDEF, vrecpsq_f32(vrCDEF, vdCDEF)); vrGHIJ = vmulq_f32(vrGHIJ, vrecpsq_f32(vrGHIJ, vdGHIJ)); vrKLMN = vmulq_f32(vrKLMN, vrecpsq_f32(vrKLMN, vdKLMN)); vr0123 = vmulq_f32(vr0123, vrecpsq_f32(vr0123, vd0123)); vr4567 = vmulq_f32(vr4567, vrecpsq_f32(vr4567, vd4567)); vr89AB = vmulq_f32(vr89AB, vrecpsq_f32(vr89AB, vd89AB)); vrCDEF = vmulq_f32(vrCDEF, vrecpsq_f32(vrCDEF, vdCDEF)); vrGHIJ = vmulq_f32(vrGHIJ, vrecpsq_f32(vrGHIJ, vdGHIJ)); vrKLMN = vmulq_f32(vrKLMN, vrecpsq_f32(vrKLMN, vdKLMN)); float32x4_t vf0123 = vmulq_f32(ve0123, vr0123); float32x4_t vf4567 = vmulq_f32(ve4567, vr4567); float32x4_t vf89AB = vmulq_f32(ve89AB, vr89AB); float32x4_t vfCDEF = vmulq_f32(veCDEF, vrCDEF); float32x4_t vfGHIJ = vmulq_f32(veGHIJ, vrGHIJ); float32x4_t vfKLMN = vmulq_f32(veKLMN, vrKLMN); vf0123 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vf0123), vcagtq_f32(vx0123, vdenorm_cutoff))); vf4567 = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vf4567), vcagtq_f32(vx4567, vdenorm_cutoff))); vf89AB = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vf89AB), vcagtq_f32(vx89AB, vdenorm_cutoff))); vfCDEF = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vfCDEF), vcagtq_f32(vxCDEF, vdenorm_cutoff))); vfGHIJ = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vfGHIJ), vcagtq_f32(vxGHIJ, vdenorm_cutoff))); vfKLMN = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vfKLMN), vcagtq_f32(vxKLMN, vdenorm_cutoff))); const uint32x4_t vm0123 = vcltq_f32(vx0123, vmovq_n_f32(0.0f)); const uint32x4_t vm4567 = vcltq_f32(vx4567, vmovq_n_f32(0.0f)); const uint32x4_t vm89AB = vcltq_f32(vx89AB, vmovq_n_f32(0.0f)); const uint32x4_t vmCDEF = vcltq_f32(vxCDEF, vmovq_n_f32(0.0f)); const uint32x4_t vmGHIJ = vcltq_f32(vxGHIJ, vmovq_n_f32(0.0f)); const uint32x4_t vmKLMN = vcltq_f32(vxKLMN, vmovq_n_f32(0.0f)); vf0123 = vbslq_f32(vm0123, vf0123, vsubq_f32(vone, vf0123)); vf4567 = vbslq_f32(vm4567, vf4567, vsubq_f32(vone, vf4567)); vf89AB = vbslq_f32(vm89AB, vf89AB, vsubq_f32(vone, vf89AB)); vfCDEF = vbslq_f32(vmCDEF, vfCDEF, vsubq_f32(vone, vfCDEF)); vfGHIJ = vbslq_f32(vmGHIJ, vfGHIJ, vsubq_f32(vone, vfGHIJ)); vfKLMN = vbslq_f32(vmKLMN, vfKLMN, vsubq_f32(vone, vfKLMN)); vst1q_f32(y, vf0123); y += 4; vst1q_f32(y, vf4567); y += 4; vst1q_f32(y, vf89AB); y += 4; vst1q_f32(y, vfCDEF); y += 4; vst1q_f32(y, vfGHIJ); y += 4; vst1q_f32(y, vfKLMN); y += 4; } for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { const float32x4_t vx = vld1q_f32(x); x += 4; const float32x4_t vz = vabsq_f32(vx); float32x4_t vn = vfmaq_f32(vmagic_bias, vz, vminus_log2e); const float32x4_t vs = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn), 23)); vn = vsubq_f32(vn, vmagic_bias); float32x4_t vt = vfmaq_f32(vz, vn, vln2); float32x4_t vp = vfmaq_f32(vc4, vc5, vt); vp = vfmaq_f32(vc3, vp, vt); vp = vfmaq_f32(vc2, vp, vt); vp = vfmaq_f32(vc1, vp, vt); vt = vmulq_f32(vt, vs); const float32x4_t ve = vfmaq_f32(vs, vp, vt); const float32x4_t vd = vaddq_f32(ve, vone); float32x4_t vr = vrecpeq_f32(vd); vr = vmulq_f32(vr, vrecpsq_f32(vr, vd)); vr = vmulq_f32(vr, vrecpsq_f32(vr, vd)); float32x4_t vf = vmulq_f32(ve, vr); vf = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vf), vcagtq_f32(vx, vdenorm_cutoff))); const uint32x4_t vm = vcltq_f32(vx, vmovq_n_f32(0.0f)); vf = vbslq_f32(vm, vf, vsubq_f32(vone, vf)); vst1q_f32(y, vf); y += 4; } if XNN_UNLIKELY(n != 0) { const float32x4_t vx = vld1q_f32(x); const float32x4_t vz = vabsq_f32(vx); float32x4_t vn = vfmaq_f32(vmagic_bias, vz, vminus_log2e); const float32x4_t vs = vreinterpretq_f32_s32(vshlq_n_s32(vreinterpretq_s32_f32(vn), 23)); vn = vsubq_f32(vn, vmagic_bias); float32x4_t vt = vfmaq_f32(vz, vn, vln2); float32x4_t vp = vfmaq_f32(vc4, vc5, vt); vp = vfmaq_f32(vc3, vp, vt); vp = vfmaq_f32(vc2, vp, vt); vp = vfmaq_f32(vc1, vp, vt); vt = vmulq_f32(vt, vs); const float32x4_t ve = vfmaq_f32(vs, vp, vt); const float32x4_t vd = vaddq_f32(ve, vone); float32x4_t vr = vrecpeq_f32(vd); vr = vmulq_f32(vr, vrecpsq_f32(vr, vd)); vr = vmulq_f32(vr, vrecpsq_f32(vr, vd)); float32x4_t vf = vmulq_f32(ve, vr); vf = vreinterpretq_f32_u32(vbicq_u32(vreinterpretq_u32_f32(vf), vcagtq_f32(vx, vdenorm_cutoff))); const uint32x4_t vm = vcltq_f32(vx, vmovq_n_f32(0.0f)); vf = vbslq_f32(vm, vf, vsubq_f32(vone, vf)); float32x2_t vf_lo = vget_low_f32(vf); if (n & (2 * sizeof(float))) { vst1_f32(y, vf_lo); y += 2; vf_lo = vget_high_f32(vf); } if (n & (1 * sizeof(float))) { vst1_lane_f32(y, vf_lo, 0); } } }