diff options
Diffstat (limited to 'common/arm/ihevc_sao_edge_offset_class1_chroma.s')
-rw-r--r-- | common/arm/ihevc_sao_edge_offset_class1_chroma.s | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/common/arm/ihevc_sao_edge_offset_class1_chroma.s b/common/arm/ihevc_sao_edge_offset_class1_chroma.s new file mode 100644 index 0000000..09d925f --- /dev/null +++ b/common/arm/ihevc_sao_edge_offset_class1_chroma.s @@ -0,0 +1,407 @@ +@/***************************************************************************** +@* +@* 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 + + + + + + |