@/***************************************************************************** @* @* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore @* @* Licensed under the Apache License, Version 2.0 (the "License"); @* you may not use this file except in compliance with the License. @* You may obtain a copy of the License at: @* @* http://www.apache.org/licenses/LICENSE-2.0 @* @* Unless required by applicable law or agreed to in writing, software @* distributed under the License is distributed on an "AS IS" BASIS, @* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. @* See the License for the specific language governing permissions and @* limitations under the License. @* @*****************************************************************************/ @/** @******************************************************************************* @* ,:file @* ihevc_sao_edge_offset_class1_chroma.s @* @* ,:brief @* Contains function definitions for inter prediction interpolation. @* Functions are coded using NEON intrinsics and can be compiled using@ ARM @* RVCT @* @* ,:author @* Parthiban V @* @* ,:par List of Functions: @* @* @* ,:remarks @* None @* @******************************************************************************* @*/ @void ihevc_sao_edge_offset_class1_chroma(UWORD8 *pu1_src, @ WORD32 src_strd, @ UWORD8 *pu1_src_left, @ UWORD8 *pu1_src_top, @ UWORD8 *pu1_src_top_left, @ UWORD8 *pu1_src_top_right, @ UWORD8 *pu1_src_bot_left, @ UWORD8 *pu1_avail, @ WORD8 *pi1_sao_offset_u, @ WORD8 *pi1_sao_offset_v, @ WORD32 wd, @ WORD32 ht) @**************Variables Vs Registers***************************************** @r0 => *pu1_src @r1 => src_strd @r2 => *pu1_src_left @r3 => *pu1_src_top @r4 => *pu1_src_top_left @r5 => *pu1_avail @r6 => *pi1_sao_offset_u @r7 => *pi1_sao_offset_v @r8 => wd @r9 => ht .text .p2align 2 .extern gi1_table_edge_idx .globl ihevc_sao_edge_offset_class1_chroma_a9q gi1_table_edge_idx_addr: .long gi1_table_edge_idx - ulbl1 - 8 ihevc_sao_edge_offset_class1_chroma_a9q: STMFD sp!, {r4-r12, r14} @stack stores the values of the arguments LDR r7,[sp,#60] @Loads wd LDR r4,[sp,#40] @Loads pu1_src_top_left LDR r5,[sp,#52] @Loads pu1_avail LDR r6,[sp,#56] @Loads pi1_sao_offset_u LDR r7,[sp,#60] @Loads pi1_sao_offset_v LDR r8,[sp,#64] @Loads wd LDR r9,[sp,#68] @Loads ht SUB r10,r8,#2 @wd - 2 LDRH r11,[r3,r10] @pu1_src_top[wd - 2] STRH r11,[r4] @*pu1_src_top_left = pu1_src_top[wd - 2] ADD r11,r0,r10 @pu1_src[row * src_strd + wd - 2] MOV r12,r2 @Move pu1_src_left pointer to r11 MOV r14,r9 @Move ht to r14 for loop count SRC_LEFT_LOOP: LDRH r10,[r11],r1 @Load pu1_src[row * src_strd + wd - 2] STRH r10,[r12],#2 @pu1_src_left[row] SUBS r14,#1 @Decrement the loop count BNE SRC_LEFT_LOOP @If not equal to 0 jump to the src_left_loop SUB r12,r9,#1 @ht - 1 MUL r12,r12,r1 @(ht - 1) * src_strd ADD r12,r12,r0 @pu1_src[(ht - 1) * src_strd] LDRB r4,[r5,#2] @pu1_avail[2] CMP r4,#0 @0 == pu1_avail[2] ADDEQ r0,r0,r1 @pu1_src += src_strd SUBEQ r9,r9,#1 @ht-- LDRB r4,[r5,#3] @pu1_avail[3] CMP r4,#0 @0 == pu1_avail[3] SUBEQ r9,r9,#1 @ht-- VMOV.I8 Q0,#2 @const_2 = vdupq_n_s8(2) VMOV.I16 Q1,#0 @const_min_clip = vdupq_n_s16(0) VMOV.I16 Q2,#255 @const_max_clip = vdupq_n_u16((1 << bit_depth) - 1) LDR r14, gi1_table_edge_idx_addr @table pointer ulbl1: add r14,r14,pc VLD1.8 D6,[r14] @edge_idx_tbl = vld1_s8(gi1_table_edge_idx) VLD1.8 D7,[r6] @offset_tbl_u = vld1_s8(pi1_sao_offset_u) VLD1.8 D8,[r7] @offset_tbl_v = vld1_s8(pi1_sao_offset_v) CMP r8,#16 @Compare wd with 16 BLT WIDTH_RESIDUE @If not jump to WIDTH_RESIDUE where loop is unrolled for 8 case WIDTH_LOOP_16: LDRB r4,[r5,#2] @pu1_avail[2] CMP r4,#0 @0 == pu1_avail[2] SUBEQ r11,r0,r1 @pu1_src -= src_strd MOVNE r11,r3 @*pu1_src_top MOV r10,r0 @*pu1_src VLD1.8 D28,[r11]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd) VLD1.8 D29,[r11]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd) VLD1.8 D10,[r0]! @pu1_cur_row = vld1q_u8(pu1_src) VLD1.8 D11,[r0]! @pu1_cur_row = vld1q_u8(pu1_src) VLD1.8 D30,[r12]! @vld1q_u8(pu1_src[(ht - 1) * src_strd]) VLD1.8 D31,[r12]! @vld1q_u8(pu1_src[(ht - 1) * src_strd]) VCGT.U8 Q6,Q5,Q14 @vcgtq_u8(pu1_cur_row, pu1_top_row) VST1.8 {Q15},[r3]! @vst1q_u8(pu1_src_top[col]) VCLT.U8 Q7,Q5,Q14 @vcltq_u8(pu1_cur_row, pu1_top_row) VSUB.U8 Q8,Q7,Q6 @sign_up = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) MOV r11,r9 @move ht to r11 for loop count PU1_SRC_LOOP: ADD r10,r10,r1 @*pu1_src + src_strd VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r10,#8 ADD r6,r10,r1 @II Iteration *pu1_src + src_strd VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_top_row) VLD1.8 D30,[r6]! @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D31,[r6] @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r6,#8 VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_top_row) SUB r10,r10,r1 VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) VMOVL.U8 Q13,D18 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VADD.I8 Q6,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up) VMOVL.U8 Q14,D19 @II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) VADD.I8 Q6,Q6,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down) VCGT.U8 Q11,Q9,Q15 @II vcgtq_u8(pu1_cur_row, pu1_top_row) VNEG.S8 Q8,Q10 @sign_up = vnegq_s8(sign_down) VTBL.8 D12,{D6},D12 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VCLT.U8 Q12,Q9,Q15 @II vcltq_u8(pu1_cur_row, pu1_top_row) VSUB.U8 Q14,Q12,Q11 @II sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) VTBL.8 D13,{D6},D13 @vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) VADD.I8 Q11,Q0,Q8 @II edge_idx = vaddq_s8(const_2, sign_up) VUZP.8 D12,D13 VNEG.S8 Q8,Q14 @II sign_up = vnegq_s8(sign_down) VTBL.8 D12,{D7},D12 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VADD.I8 Q11,Q11,Q14 @II edge_idx = vaddq_s8(edge_idx, sign_down) VMOVL.U8 Q10,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VTBL.8 D13,{D8},D13 VZIP.8 D12,D13 VADDW.S8 Q10,Q10,D12 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VTBL.8 D22,{D6},D22 @II vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VMAX.S16 Q10,Q10,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VMIN.U16 Q10,Q10,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) VTBL.8 D23,{D6},D23 @II vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) VUZP.8 D22,D23 VMOVL.U8 Q14,D11 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) @VTBL.8 D13,D7,D13 @offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx)) VMOV Q5,Q15 @II pu1_cur_row = pu1_next_row VADDW.S8 Q14,Q14,D13 @pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset) VTBL.8 D24,{D7},D22 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VMAX.S16 Q14,Q14,Q1 @pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip) VTBL.8 D25,{D8},D23 VZIP.8 D24,D25 @VTBL.8 D24,D7,D22 @II offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VMIN.U16 Q14,Q14,Q2 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip)) @VTBL.8 D25,D7,D23 @II offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx)) VMOVN.I16 D20,Q10 @vmovn_s16(pi2_tmp_cur_row.val[0]) VADDW.S8 Q13,Q13,D24 @II pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VMOVN.I16 D21,Q14 @vmovn_s16(pi2_tmp_cur_row.val[1]) VMOVL.U8 Q14,D19 @II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) VADDW.S8 Q14,Q14,D25 @II pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset) VMAX.S16 Q13,Q13,Q1 @II pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VMIN.U16 Q13,Q13,Q2 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) VMAX.S16 Q14,Q14,Q1 @II pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip) VMIN.U16 Q14,Q14,Q2 @II pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip)) VST1.8 {Q10},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row) VMOVN.I16 D30,Q13 @II vmovn_s16(pi2_tmp_cur_row.val[0]) SUBS r11,r11,#2 @II Decrement the ht loop count by 1 VMOVN.I16 D31,Q14 @II vmovn_s16(pi2_tmp_cur_row.val[1]) VST1.8 {Q15},[r10],r1 @II vst1q_u8(pu1_src_cpy, pu1_cur_row) BEQ PU1_SRC_LOOP_END @if 0 == pu1_avail[3] || 0 == pu1_avail[2] ht = ht-- CMP r11,#1 @checking any residue remains BGT PU1_SRC_LOOP @If not equal jump to PU1_SRC_LOOP ADD r10,r10,r1 @*pu1_src + src_strd VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r10,#8 VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_top_row) VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_top_row) VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) SUB r10,r10,r1 VADD.I8 Q11,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up) VADD.I8 Q11,Q11,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down) VTBL.8 D22,{D6},D22 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VTBL.8 D23,{D6},D23 @vtbl1_s8(edge_idx_tbl, vget_high_s8(edge_idx)) VUZP.8 D22,D23 VTBL.8 D24,{D7},D22 VTBL.8 D25,{D8},D23 VZIP.8 D24,D25 @VTBL.8 D24,D7,D22 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VMOVL.U8 Q13,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VADDW.S8 Q13,Q13,D24 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VMAX.S16 Q13,Q13,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VMIN.U16 Q13,Q13,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) @VTBL.8 D25,D7,D23 @offset = vtbl1_s8(offset_tbl, vget_high_s8(edge_idx)) VMOVL.U8 Q14,D11 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vmovl_u8(vget_high_u8(pu1_cur_row))) VADDW.S8 Q14,Q14,D25 @pi2_tmp_cur_row.val[1] = vaddw_s8(pi2_tmp_cur_row.val[1], offset) VMAX.S16 Q14,Q14,Q1 @pi2_tmp_cur_row.val[1] = vmaxq_s16(pi2_tmp_cur_row.val[1], const_min_clip) VMIN.U16 Q14,Q14,Q2 @pi2_tmp_cur_row.val[1] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[1]), const_max_clip)) VMOVN.I16 D30,Q13 @vmovn_s16(pi2_tmp_cur_row.val[0]) VMOVN.I16 D31,Q14 @vmovn_s16(pi2_tmp_cur_row.val[1]) VST1.8 {Q15},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row) PU1_SRC_LOOP_END: VMOV Q5,Q9 @pu1_cur_row = pu1_next_row SUBS r8,r8,#16 @Decrement the wd loop count by 16 CMP r8,#8 @Check whether residue remains BEQ WIDTH_RESIDUE @If residue remains jump to residue loop BGT WIDTH_LOOP_16 @If not equal jump to width_loop BLT END_LOOPS @Jump to end function WIDTH_RESIDUE: LDRB r4,[r5,#2] @pu1_avail[2] CMP r4,#0 @0 == pu1_avail[2] SUBEQ r11,r0,r1 @pu1_src -= src_strd MOVNE r11,r3 @*pu1_src_top MOV r10,r0 VLD1.8 D28,[r11]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd) VLD1.8 D29,[r11]! @pu1_top_row = vld1q_u8(pu1_src_top_cpy || pu1_src - src_strd) VLD1.8 D10,[r0]! @pu1_cur_row = vld1q_u8(pu1_src) VLD1.8 D11,[r0]! @pu1_cur_row = vld1q_u8(pu1_src) VLD1.8 D30,[r12] @vld1_u8(pu1_src[(ht - 1) * src_strd]) VST1.8 {D30},[r3] @vst1_u8(pu1_src_top[col]) VCGT.U8 Q6,Q5,Q14 @vcgtq_u8(pu1_cur_row, pu1_top_row) VCLT.U8 Q7,Q5,Q14 @vcltq_u8(pu1_cur_row, pu1_top_row) VSUB.U8 Q8,Q7,Q6 @sign_up = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) MOV r11,r9 @move ht to r11 for loop count PU1_SRC_LOOP_RESIDUE: ADD r10,r10,r1 @*pu1_src + src_strd VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r10,#8 ADD r6,r10,r1 @II Iteration *pu1_src + src_strd VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_next_row) VLD1.8 D30,[r6]! @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D31,[r6] @II pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r6,#8 VCLT.U8 Q7,Q5,Q9 @vcltq_u8(pu1_cur_row, pu1_next_row) SUB r10,r10,r1 VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) VMOVL.U8 Q13,D18 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VADD.I8 Q6,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up) VCGT.U8 Q11,Q9,Q15 @II vcgtq_u8(pu1_cur_row, pu1_next_row) VADD.I8 Q6,Q6,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down) VCLT.U8 Q12,Q9,Q15 @II vcltq_u8(pu1_cur_row, pu1_next_row) VNEG.S8 Q8,Q10 @sign_up = vnegq_s8(sign_down) VTBL.8 D12,{D6},D12 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VSUB.U8 Q10,Q12,Q11 @II sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) VUZP.8 D12,D13 VADD.I8 Q11,Q0,Q8 @II edge_idx = vaddq_s8(const_2, sign_up) VTBL.8 D12,{D7},D12 VNEG.S8 Q8,Q10 @II sign_up = vnegq_s8(sign_down) VTBL.8 D13,{D8},D13 VZIP.8 D12,D13 @VTBL.8 D12,D7,D12 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VADD.I8 Q11,Q11,Q10 @II edge_idx = vaddq_s8(edge_idx, sign_down) VMOVL.U8 Q10,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VADDW.S8 Q10,Q10,D12 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VTBL.8 D22,{D6},D22 @II vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VMAX.S16 Q10,Q10,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VUZP.8 D22,D23 VMIN.U16 Q10,Q10,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) VTBL.8 D24,{D7},D22 VMOVN.I16 D20,Q10 @vmovn_s16(pi2_tmp_cur_row.val[0]) VTBL.8 D25,{D8},D23 VZIP.8 D24,D25 @VTBL.8 D24,D7,D22 @II offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VADDW.S8 Q13,Q13,D24 @II pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VMAX.S16 Q13,Q13,Q1 @II pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VMIN.U16 Q13,Q13,Q2 @II pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) VMOV Q5,Q15 @II pu1_cur_row = pu1_next_row VST1.8 {D20},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row) VMOVN.I16 D30,Q13 @II vmovn_s16(pi2_tmp_cur_row.val[0]) SUBS r11,r11,#2 @Decrement the ht loop count by 1 VST1.8 {D30},[r10],r1 @II vst1q_u8(pu1_src_cpy, pu1_cur_row) BEQ END_LOOPS CMP r11,#1 BGT PU1_SRC_LOOP_RESIDUE @If not equal jump to PU1_SRC_LOOP ADD r10,r10,r1 @*pu1_src + src_strd VLD1.8 D18,[r10]! @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) VLD1.8 D19,[r10] @pu1_next_row = vld1q_u8(pu1_src_cpy + src_strd) SUB r10,#8 VCGT.U8 Q6,Q5,Q9 @vcgtq_u8(pu1_cur_row, pu1_next_row) VCGT.U8 Q7,Q9,Q5 @vcltq_u8(pu1_cur_row, pu1_next_row) VSUB.U8 Q10,Q7,Q6 @sign_down = vreinterpretq_s8_u8(vsubq_u8(cmp_lt, cmp_gt)) SUB r10,r10,r1 VADD.I8 Q11,Q0,Q8 @edge_idx = vaddq_s8(const_2, sign_up) VADD.I8 Q11,Q11,Q10 @edge_idx = vaddq_s8(edge_idx, sign_down) VTBL.8 D22,{D6},D22 @vtbl1_s8(edge_idx_tbl, vget_low_s8(edge_idx)) VUZP.8 D22,D23 VTBL.8 D24,{D7},D22 VTBL.8 D25,{D8},D23 VZIP.8 D24,D25 @VTBL.8 D24,D7,D22 @offset = vtbl1_s8(offset_tbl, vget_low_s8(edge_idx)) VMOVL.U8 Q13,D10 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vmovl_u8(vget_low_u8(pu1_cur_row))) VADDW.S8 Q13,Q13,D24 @pi2_tmp_cur_row.val[0] = vaddw_s8(pi2_tmp_cur_row.val[0], offset) VMAX.S16 Q13,Q13,Q1 @pi2_tmp_cur_row.val[0] = vmaxq_s16(pi2_tmp_cur_row.val[0], const_min_clip) VMIN.U16 Q13,Q13,Q2 @pi2_tmp_cur_row.val[0] = vreinterpretq_s16_u16(vminq_u16(vreinterpretq_u16_s16(pi2_tmp_cur_row.val[0]), const_max_clip)) VMOVN.I16 D30,Q13 @vmovn_s16(pi2_tmp_cur_row.val[0]) VST1.8 {D30},[r10],r1 @vst1q_u8(pu1_src_cpy, pu1_cur_row) END_LOOPS: LDMFD sp!,{r4-r12,r15} @Reload the registers from SP