// Auto-generated file. Do not edit! // Template: src/f32-f16-vcvt/neon.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 #include #include #include void xnn_f32_f16_vcvt_ukernel__neon_x24( size_t n, const float* input, void* output, const union xnn_f32_f16_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS { assert(n != 0); assert(n % sizeof(float) == 0); assert(input != NULL); assert(output != NULL); const uint32x4_t vexp_bias = vld1q_dup_u32(¶ms->neon.exp_bias); const float32x4_t vscale_to_inf = vld1q_dup_f32(¶ms->neon.scale_to_inf); const uint32x4_t vexpw_max = vld1q_dup_u32(¶ms->neon.expw_max); const float32x4_t vscale_to_zero = vld1q_dup_f32(¶ms->neon.scale_to_zero); const uint32x4_t vbias_min = vdupq_n_u32(UINT32_C(0x40000000)); const uint16x8_t vexph_mask = vdupq_n_u16(UINT16_C(0x7C00)); const uint16x8_t vmanth_mask = vdupq_n_u16(UINT16_C(0x0FFF)); const uint16x8_t vsignh_mask = vdupq_n_u16(UINT16_C(0x8000)); const uint16x8_t vnanh = vdupq_n_u16(UINT16_C(0x7E00)); uint16_t* o = (uint16_t*) output; for (; n >= 24 * sizeof(float); n -= 24 * sizeof(float)) { const float32x4_t vx0 = vld1q_f32(input); input += 4; const float32x4_t vx1 = vld1q_f32(input); input += 4; const float32x4_t vx2 = vld1q_f32(input); input += 4; const float32x4_t vx3 = vld1q_f32(input); input += 4; const float32x4_t vx4 = vld1q_f32(input); input += 4; const float32x4_t vx5 = vld1q_f32(input); input += 4; const float32x4_t vabsx0 = vabsq_f32(vx0); const float32x4_t vabsx1 = vabsq_f32(vx1); const float32x4_t vabsx2 = vabsq_f32(vx2); const float32x4_t vabsx3 = vabsq_f32(vx3); const float32x4_t vabsx4 = vabsq_f32(vx4); const float32x4_t vabsx5 = vabsq_f32(vx5); uint32x4_t vbias0 = vaddq_u32(vreinterpretq_u32_f32(vabsx0), vexp_bias); uint32x4_t vbias1 = vaddq_u32(vreinterpretq_u32_f32(vabsx1), vexp_bias); uint32x4_t vbias2 = vaddq_u32(vreinterpretq_u32_f32(vabsx2), vexp_bias); uint32x4_t vbias3 = vaddq_u32(vreinterpretq_u32_f32(vabsx3), vexp_bias); uint32x4_t vbias4 = vaddq_u32(vreinterpretq_u32_f32(vabsx4), vexp_bias); uint32x4_t vbias5 = vaddq_u32(vreinterpretq_u32_f32(vabsx5), vexp_bias); float32x4_t vf0 = vmulq_f32(vabsx0, vscale_to_inf); float32x4_t vf1 = vmulq_f32(vabsx1, vscale_to_inf); float32x4_t vf2 = vmulq_f32(vabsx2, vscale_to_inf); float32x4_t vf3 = vmulq_f32(vabsx3, vscale_to_inf); float32x4_t vf4 = vmulq_f32(vabsx4, vscale_to_inf); float32x4_t vf5 = vmulq_f32(vabsx5, vscale_to_inf); const uint32x4_t vnanmaskw0 = vcgtq_u32(vreinterpretq_u32_f32(vabsx0), vexpw_max); const uint32x4_t vnanmaskw1 = vcgtq_u32(vreinterpretq_u32_f32(vabsx1), vexpw_max); const uint32x4_t vnanmaskw2 = vcgtq_u32(vreinterpretq_u32_f32(vabsx2), vexpw_max); const uint32x4_t vnanmaskw3 = vcgtq_u32(vreinterpretq_u32_f32(vabsx3), vexpw_max); const uint32x4_t vnanmaskw4 = vcgtq_u32(vreinterpretq_u32_f32(vabsx4), vexpw_max); const uint32x4_t vnanmaskw5 = vcgtq_u32(vreinterpretq_u32_f32(vabsx5), vexpw_max); vbias0 = vandq_u32(vbias0, vexpw_max); vbias1 = vandq_u32(vbias1, vexpw_max); vbias2 = vandq_u32(vbias2, vexpw_max); vbias3 = vandq_u32(vbias3, vexpw_max); vbias4 = vandq_u32(vbias4, vexpw_max); vbias5 = vandq_u32(vbias5, vexpw_max); vf0 = vmulq_f32(vf0, vscale_to_zero); vf1 = vmulq_f32(vf1, vscale_to_zero); vf2 = vmulq_f32(vf2, vscale_to_zero); vf3 = vmulq_f32(vf3, vscale_to_zero); vf4 = vmulq_f32(vf4, vscale_to_zero); vf5 = vmulq_f32(vf5, vscale_to_zero); const uint16x8_t vnanmaskh0 = vcombine_u16(vmovn_u32(vnanmaskw0), vmovn_u32(vnanmaskw1)); const uint16x8_t vnanmaskh1 = vcombine_u16(vmovn_u32(vnanmaskw2), vmovn_u32(vnanmaskw3)); const uint16x8_t vnanmaskh2 = vcombine_u16(vmovn_u32(vnanmaskw4), vmovn_u32(vnanmaskw5)); vbias0 = vmaxq_u32(vbias0, vbias_min); vbias1 = vmaxq_u32(vbias1, vbias_min); vbias2 = vmaxq_u32(vbias2, vbias_min); vbias3 = vmaxq_u32(vbias3, vbias_min); vbias4 = vmaxq_u32(vbias4, vbias_min); vbias5 = vmaxq_u32(vbias5, vbias_min); vf0 = vaddq_f32(vf0, vreinterpretq_f32_u32(vbias0)); vf1 = vaddq_f32(vf1, vreinterpretq_f32_u32(vbias1)); vf2 = vaddq_f32(vf2, vreinterpretq_f32_u32(vbias2)); vf3 = vaddq_f32(vf3, vreinterpretq_f32_u32(vbias3)); vf4 = vaddq_f32(vf4, vreinterpretq_f32_u32(vbias4)); vf5 = vaddq_f32(vf5, vreinterpretq_f32_u32(vbias5)); uint16x8_t vexph0 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vf0), 13), vshrn_n_u32(vreinterpretq_u32_f32(vf1), 13)); uint16x8_t vexph1 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vf2), 13), vshrn_n_u32(vreinterpretq_u32_f32(vf3), 13)); uint16x8_t vexph2 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vf4), 13), vshrn_n_u32(vreinterpretq_u32_f32(vf5), 13)); uint16x8_t vmanth0 = vcombine_u16(vmovn_u32(vreinterpretq_u32_f32(vf0)), vmovn_u32(vreinterpretq_u32_f32(vf1))); uint16x8_t vmanth1 = vcombine_u16(vmovn_u32(vreinterpretq_u32_f32(vf2)), vmovn_u32(vreinterpretq_u32_f32(vf3))); uint16x8_t vmanth2 = vcombine_u16(vmovn_u32(vreinterpretq_u32_f32(vf4)), vmovn_u32(vreinterpretq_u32_f32(vf5))); uint16x8_t vsignh0 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vx0), 16), vshrn_n_u32(vreinterpretq_u32_f32(vx1), 16)); uint16x8_t vsignh1 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vx2), 16), vshrn_n_u32(vreinterpretq_u32_f32(vx3), 16)); uint16x8_t vsignh2 = vcombine_u16(vshrn_n_u32(vreinterpretq_u32_f32(vx4), 16), vshrn_n_u32(vreinterpretq_u32_f32(vx5), 16)); vexph0 = vandq_u16(vexph0, vexph_mask); vexph1 = vandq_u16(vexph1, vexph_mask); vexph2 = vandq_u16(vexph2, vexph_mask); vmanth0 = vandq_u16(vmanth0, vmanth_mask); vmanth1 = vandq_u16(vmanth1, vmanth_mask); vmanth2 = vandq_u16(vmanth2, vmanth_mask); vsignh0 = vandq_u16(vsignh0, vsignh_mask); vsignh1 = vandq_u16(vsignh1, vsignh_mask); vsignh2 = vandq_u16(vsignh2, vsignh_mask); uint16x8_t vh0 = vaddq_u16(vmanth0, vexph0); uint16x8_t vh1 = vaddq_u16(vmanth1, vexph1); uint16x8_t vh2 = vaddq_u16(vmanth2, vexph2); vh0 = vbslq_u16(vnanmaskh0, vnanh, vh0); vh1 = vbslq_u16(vnanmaskh1, vnanh, vh1); vh2 = vbslq_u16(vnanmaskh2, vnanh, vh2); vh0 = vorrq_u16(vh0, vsignh0); vh1 = vorrq_u16(vh1, vsignh1); vh2 = vorrq_u16(vh2, vsignh2); vst1q_u16(o, vh0); o += 8; vst1q_u16(o, vh1); o += 8; vst1q_u16(o, vh2); o += 8; } for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) { const float32x4_t vx = vld1q_f32(input); input += 4; const float32x4_t vabsx = vabsq_f32(vx); uint32x4_t vbias = vaddq_u32(vreinterpretq_u32_f32(vabsx), vexp_bias); float32x4_t vf = vmulq_f32(vabsx, vscale_to_inf); const uint32x4_t vnanmaskw = vcgtq_u32(vreinterpretq_u32_f32(vabsx), vexpw_max); vbias = vandq_u32(vbias, vexpw_max); vf = vmulq_f32(vf, vscale_to_zero); const uint16x4_t vnanmaskh = vmovn_u32(vnanmaskw); vbias = vmaxq_u32(vbias, vbias_min); vf = vaddq_f32(vf, vreinterpretq_f32_u32(vbias)); uint16x4_t vexph = vshrn_n_u32(vreinterpretq_u32_f32(vf), 13); uint16x4_t vmanth = vmovn_u32(vreinterpretq_u32_f32(vf)); uint16x4_t vsignh = vshrn_n_u32(vreinterpretq_u32_f32(vx), 16); vexph = vand_u16(vexph, vget_low_u16(vexph_mask)); vmanth = vand_u16(vmanth, vget_low_u16(vmanth_mask)); vsignh = vand_u16(vsignh, vget_low_u16(vsignh_mask)); uint16x4_t vh = vadd_u16(vmanth, vexph); vh = vbsl_u16(vnanmaskh, vget_low_u16(vnanh), vh); vh = vorr_u16(vh, vsignh); vst1_u16(o, vh); o += 4; } if XNN_UNLIKELY(n != 0) { assert(n % sizeof(float) == 0); assert(n >= 1 * sizeof(float)); assert(n <= 3 * sizeof(float)); const float32x4_t vx = vld1q_f32(input); const float32x4_t vabsx = vabsq_f32(vx); uint32x4_t vbias = vaddq_u32(vreinterpretq_u32_f32(vabsx), vexp_bias); float32x4_t vf = vmulq_f32(vabsx, vscale_to_inf); const uint32x4_t vnanmaskw = vcgtq_u32(vreinterpretq_u32_f32(vabsx), vexpw_max); vbias = vandq_u32(vbias, vexpw_max); vf = vmulq_f32(vf, vscale_to_zero); const uint16x4_t vnanmaskh = vmovn_u32(vnanmaskw); vbias = vmaxq_u32(vbias, vbias_min); vf = vaddq_f32(vf, vreinterpretq_f32_u32(vbias)); uint16x4_t vexph = vshrn_n_u32(vreinterpretq_u32_f32(vf), 13); uint16x4_t vmanth = vmovn_u32(vreinterpretq_u32_f32(vf)); uint16x4_t vsignh = vshrn_n_u32(vreinterpretq_u32_f32(vx), 16); vexph = vand_u16(vexph, vget_low_u16(vexph_mask)); vmanth = vand_u16(vmanth, vget_low_u16(vmanth_mask)); vsignh = vand_u16(vsignh, vget_low_u16(vsignh_mask)); uint16x4_t vh = vadd_u16(vmanth, vexph); vh = vbsl_u16(vnanmaskh, vget_low_u16(vnanh), vh); vh = vorr_u16(vh, vsignh); if (n & (2 * sizeof(float))) { vst1_lane_u32((void*) o, vreinterpret_u32_u16(vh), 0); o += 2; vh = vext_u16(vh, vh, 2); } if (n & (1 * sizeof(float))) { vst1_lane_u16(o, vh, 0); } } }