| ///***************************************************************************** |
| //* |
| //* 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_inter_pred_filters_luma_vert.s |
| //* |
| //* //brief |
| //* contains function definitions for inter prediction interpolation. |
| //* functions are coded using neon intrinsics and can be compiled using |
| |
| //* rvct |
| //* |
| //* //author |
| //* parthiban v |
| //* |
| //* //par list of functions: |
| //* |
| //* - ihevc_inter_pred_luma_vert() |
| //* |
| //* //remarks |
| //* none |
| //* |
| //******************************************************************************* |
| //*/ |
| |
| ///* all the functions here are replicated from ihevc_inter_pred_filters.c and modified to */ |
| ///* include reconstruction */ |
| |
| |
| |
| ///** |
| //******************************************************************************* |
| //* |
| //* //brief |
| //* interprediction luma filter for vertical input |
| //* |
| //* //par description: |
| //* applies a vertical filter with coefficients pointed to by 'pi1_coeff' to |
| //* the elements pointed by 'pu1_src' and writes to the location pointed by |
| //* 'pu1_dst' the output is downshifted by 6 and clipped to 8 bits |
| //* assumptions : the function is optimized considering the fact width is |
| //* multiple of 4 or 8. and height as multiple of 2. |
| //* |
| //* //param[in] pu1_src |
| //* uword8 pointer to the source |
| //* |
| //* //param[out] pu1_dst |
| //* uword8 pointer to the destination |
| //* |
| //* //param[in] src_strd |
| //* integer source stride |
| //* |
| //* //param[in] dst_strd |
| //* integer destination stride |
| //* |
| //* //param[in] pi1_coeff |
| //* word8 pointer to the filter coefficients |
| //* |
| //* //param[in] ht |
| //* integer height of the array |
| //* |
| //* //param[in] wd |
| //* integer width of the array |
| //* |
| //* //returns |
| //* |
| //* //remarks |
| //* none |
| //* |
| //******************************************************************************* |
| //*/ |
| |
| //void ihevc_inter_pred_luma_vert ( |
| // uword8 *pu1_src, |
| // uword8 *pu1_dst, |
| // word32 src_strd, |
| // word32 dst_strd, |
| // word8 *pi1_coeff, |
| // word32 ht, |
| // word32 wd ) |
| |
| //**************variables vs registers***************************************** |
| // x0 => *pu1_src |
| // x1 => *pu1_dst |
| // x2 => src_strd |
| // x6 => dst_strd |
| // x12 => *pi1_coeff |
| // x5 => ht |
| // x3 => wd |
| .text |
| .align 4 |
| |
| .include "ihevc_neon_macros.s" |
| |
| .globl ihevc_inter_pred_luma_vert_av8 |
| |
| .type ihevc_inter_pred_luma_vert_av8, %function |
| |
| ihevc_inter_pred_luma_vert_av8: |
| |
| // stmfd sp!, {x4-x12, x14} //stack stores the values of the arguments |
| |
| stp x19, x20,[sp,#-16]! |
| |
| mov x15,x4 // pi1_coeff |
| mov x16,x5 // ht |
| mov x17,x6 // wd |
| |
| mov x12,x15 //load pi1_coeff |
| mov x6,x3 |
| mov x5,x17 //load wd |
| ld1 {v0.8b},[x12] //coeff = vld1_s8(pi1_coeff) |
| sub x12,x2,x2,lsl #2 //src_ctrd & pi1_coeff |
| abs v0.8b, v0.8b //vabs_s8(coeff) |
| add x0,x0,x12 //x0->pu1_src x12->pi1_coeff |
| mov x3,x16 //load ht |
| subs x7,x3,#0 //x3->ht |
| //ble end_loops //end loop jump |
| dup v22.8b, v0.b[0] //coeffabs_0 = vdup_lane_u8(coeffabs, 0)// |
| cmp x5,#8 |
| dup v23.8b, v0.b[1] //coeffabs_1 = vdup_lane_u8(coeffabs, 1)// |
| dup v24.8b, v0.b[2] //coeffabs_2 = vdup_lane_u8(coeffabs, 2)// |
| dup v25.8b, v0.b[3] //coeffabs_3 = vdup_lane_u8(coeffabs, 3)// |
| dup v26.8b, v0.b[4] //coeffabs_4 = vdup_lane_u8(coeffabs, 4)// |
| dup v27.8b, v0.b[5] //coeffabs_5 = vdup_lane_u8(coeffabs, 5)// |
| dup v28.8b, v0.b[6] //coeffabs_6 = vdup_lane_u8(coeffabs, 6)// |
| dup v29.8b, v0.b[7] //coeffabs_7 = vdup_lane_u8(coeffabs, 7)// |
| blt core_loop_wd_4 //core loop wd 4 jump |
| stp x0,x1, [sp, #-16]! |
| |
| bic x4,x5,#7 //x5 ->wd |
| sub x20,x4,x6,lsl #2 //x6->dst_strd x5 ->wd |
| neg x9, x20 |
| sub x20,x4,x2,lsl #2 //x2->src_strd |
| neg x8, x20 |
| lsr x3, x5, #3 //divide by 8 |
| mul x7, x7, x3 //multiply height by width |
| sub x7, x7,#4 //subtract by one for epilog |
| |
| prolog: |
| |
| and x10, x0, #31 |
| add x3,x0,x2 //pu1_src_tmp += src_strd// |
| ld1 {v1.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| ld1 {v0.8b},[x0],#8 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| subs x4,x4,#8 |
| ld1 {v2.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umull v19.8h, v1.8b, v23.8b //mul_res1 = vmull_u8(src_tmp2, coeffabs_1)// |
| ld1 {v3.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| umlsl v19.8h, v0.8b, v22.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)// |
| ld1 {v4.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlsl v19.8h, v2.8b, v24.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)// |
| ld1 {v5.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlal v19.8h, v3.8b, v25.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)// |
| ld1 {v6.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlal v19.8h, v4.8b, v26.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)// |
| ld1 {v7.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| umlsl v19.8h, v5.8b, v27.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)// |
| ld1 {v16.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlal v19.8h, v6.8b, v28.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)// |
| ld1 {v17.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlsl v19.8h, v7.8b, v29.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)// |
| |
| |
| ld1 {v18.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umull v20.8h, v2.8b, v23.8b //mul_res2 = vmull_u8(src_tmp3, coeffabs_1)// |
| |
| add x20,x0,x8 |
| csel x0, x20, x0,le |
| umlsl v20.8h, v1.8b, v22.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)// |
| |
| bic x20,x5,#7 //x5 ->wd |
| csel x4, x20, x4,le |
| umlsl v20.8h, v3.8b, v24.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)// |
| |
| prfm PLDL1KEEP,[x3] |
| umlal v20.8h, v4.8b, v25.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)// |
| add x20,x3, x2 |
| prfm PLDL1KEEP,[x20] |
| umlal v20.8h, v5.8b, v26.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)// |
| add x20,x3, x2, lsl #1 |
| prfm PLDL1KEEP,[x20] |
| umlsl v20.8h, v6.8b, v27.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)// |
| |
| add x3, x3, x2 |
| umlal v20.8h, v7.8b, v28.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)// |
| |
| add x20,x3, x2, lsl #1 |
| prfm PLDL1KEEP,[x20] |
| umlsl v20.8h, v16.8b, v29.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)// |
| |
| add x3,x0,x2 //pu1_src_tmp += src_strd// |
| sqrshrun v19.8b, v19.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| ld1 {v1.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umull v21.8h, v3.8b, v23.8b |
| ld1 {v0.8b},[x0],#8 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlsl v21.8h, v2.8b, v22.8b |
| ld1 {v2.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlsl v21.8h, v4.8b, v24.8b |
| umlal v21.8h, v5.8b, v25.8b |
| umlal v21.8h, v6.8b, v26.8b |
| umlsl v21.8h, v7.8b, v27.8b |
| umlal v21.8h, v16.8b, v28.8b |
| umlsl v21.8h, v17.8b, v29.8b |
| add x14,x1,x6 |
| st1 {v19.8b},[x1],#8 //vst1_u8(pu1_dst,sto_res)// |
| sqrshrun v20.8b, v20.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| add x20,x1,x9 |
| csel x1, x20, x1,le |
| |
| umull v30.8h, v4.8b, v23.8b |
| subs x7,x7,#4 |
| umlsl v30.8h, v3.8b, v22.8b |
| umlsl v30.8h, v5.8b, v24.8b |
| umlal v30.8h, v6.8b, v25.8b |
| ld1 {v3.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| umlal v30.8h, v7.8b, v26.8b |
| ld1 {v4.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlsl v30.8h, v16.8b, v27.8b |
| ld1 {v5.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlal v30.8h, v17.8b, v28.8b |
| ld1 {v6.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlsl v30.8h, v18.8b, v29.8b |
| ld1 {v7.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| |
| st1 {v20.8b},[x14],x6 //vst1_u8(pu1_dst_tmp,sto_res)// |
| sqrshrun v21.8b, v21.8h,#6 |
| |
| |
| blt epilog_end //jumps to epilog_end |
| beq epilog //jumps to epilog |
| |
| kernel_8: |
| |
| subs x4,x4,#8 |
| umull v19.8h, v1.8b, v23.8b //mul_res1 = vmull_u8(src_tmp2, coeffabs_1)// |
| |
| add x20,x0,x8 |
| csel x0, x20, x0,le |
| umlsl v19.8h, v0.8b, v22.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)// |
| |
| bic x20,x5,#7 //x5 ->wd |
| csel x4, x20, x4,le |
| umlsl v19.8h, v2.8b, v24.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)// |
| |
| ld1 {v16.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlal v19.8h, v3.8b, v25.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)// |
| |
| ld1 {v17.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlal v19.8h, v4.8b, v26.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)// |
| |
| ld1 {v18.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlsl v19.8h, v5.8b, v27.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)// |
| |
| umlal v19.8h, v6.8b, v28.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)// |
| |
| umlsl v19.8h, v7.8b, v29.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)// |
| st1 {v21.8b},[x14],x6 |
| |
| // and x11, x0, #31 |
| sqrshrun v30.8b, v30.8h,#6 |
| |
| add x3,x0,x2 //pu1_src_tmp += src_strd// |
| umull v20.8h, v2.8b, v23.8b //mul_res2 = vmull_u8(src_tmp3, coeffabs_1)// |
| |
| ld1 {v0.8b},[x0],#8 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlsl v20.8h, v1.8b, v22.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)// |
| |
| umlsl v20.8h, v3.8b, v24.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)// |
| |
| ld1 {v1.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlal v20.8h, v4.8b, v25.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)// |
| |
| st1 {v30.8b},[x14],x6 |
| umlal v20.8h, v5.8b, v26.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)// |
| |
| add x14,x1,#0 |
| umlsl v20.8h, v6.8b, v27.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)// |
| |
| add x1, x1, #8 |
| umlal v20.8h, v7.8b, v28.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)// |
| |
| umlsl v20.8h, v16.8b, v29.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)// |
| |
| add x20,x1,x9 |
| csel x1, x20, x1,le |
| sqrshrun v19.8b, v19.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| // cmp x11, x10 |
| umull v21.8h, v3.8b, v23.8b |
| |
| add x10, x3, x2, lsl #3 // 10*strd - 8+2 |
| umlsl v21.8h, v2.8b, v22.8b |
| |
| add x10, x10, x2 // 11*strd |
| umlsl v21.8h, v4.8b, v24.8b |
| |
| ld1 {v2.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlal v21.8h, v5.8b, v25.8b |
| |
| umlal v21.8h, v6.8b, v26.8b |
| st1 {v19.8b},[x14],x6 //vst1_u8(pu1_dst,sto_res)// |
| |
| prfm PLDL1KEEP,[x10] //11+ 0 |
| umlsl v21.8h, v7.8b, v27.8b |
| |
| add x20,x10, x2 |
| prfm PLDL1KEEP,[x20] //11+ 1*strd |
| umlal v21.8h, v16.8b, v28.8b |
| |
| add x20,x10, x2, lsl #1 |
| prfm PLDL1KEEP,[x20] //11+ 2*strd |
| umlsl v21.8h, v17.8b, v29.8b |
| |
| add x10, x10, x2 //12*strd |
| sqrshrun v20.8b, v20.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| add x20,x10, x2, lsl #1 |
| prfm PLDL1KEEP,[x20] //11+ 3*strd |
| umull v30.8h, v4.8b, v23.8b |
| |
| // mov x10, x11 |
| umlsl v30.8h, v3.8b, v22.8b |
| |
| subs x7,x7,#4 |
| umlsl v30.8h, v5.8b, v24.8b |
| |
| umlal v30.8h, v6.8b, v25.8b |
| ld1 {v3.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| umlal v30.8h, v7.8b, v26.8b |
| ld1 {v4.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umlsl v30.8h, v16.8b, v27.8b |
| ld1 {v5.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umlal v30.8h, v17.8b, v28.8b |
| ld1 {v6.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umlsl v30.8h, v18.8b, v29.8b |
| ld1 {v7.8b},[x3],x2 //src_tmp4 = vld1_u8(pu1_src_tmp)// |
| |
| sqrshrun v21.8b, v21.8h,#6 |
| st1 {v20.8b},[x14],x6 //vst1_u8(pu1_dst_tmp,sto_res)// |
| |
| |
| |
| bgt kernel_8 //jumps to kernel_8 |
| |
| epilog: |
| |
| umull v19.8h, v1.8b, v23.8b //mul_res1 = vmull_u8(src_tmp2, coeffabs_1)// |
| umlsl v19.8h, v0.8b, v22.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)// |
| umlsl v19.8h, v2.8b, v24.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)// |
| umlal v19.8h, v3.8b, v25.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)// |
| umlal v19.8h, v4.8b, v26.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)// |
| umlsl v19.8h, v5.8b, v27.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)// |
| umlal v19.8h, v6.8b, v28.8b //mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)// |
| umlsl v19.8h, v7.8b, v29.8b //mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)// |
| st1 {v21.8b},[x14],x6 |
| |
| sqrshrun v30.8b, v30.8h,#6 |
| |
| ld1 {v16.8b},[x3],x2 //src_tmp1 = vld1_u8(pu1_src_tmp)// |
| umull v20.8h, v2.8b, v23.8b //mul_res2 = vmull_u8(src_tmp3, coeffabs_1)// |
| umlsl v20.8h, v1.8b, v22.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)// |
| umlsl v20.8h, v3.8b, v24.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)// |
| umlal v20.8h, v4.8b, v25.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)// |
| umlal v20.8h, v5.8b, v26.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)// |
| umlsl v20.8h, v6.8b, v27.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)// |
| umlal v20.8h, v7.8b, v28.8b //mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)// |
| umlsl v20.8h, v16.8b, v29.8b //mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)// |
| st1 {v30.8b},[x14],x6 |
| |
| sqrshrun v19.8b, v19.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| ld1 {v17.8b},[x3],x2 //src_tmp2 = vld1_u8(pu1_src_tmp)// |
| umull v21.8h, v3.8b, v23.8b |
| umlsl v21.8h, v2.8b, v22.8b |
| umlsl v21.8h, v4.8b, v24.8b |
| umlal v21.8h, v5.8b, v25.8b |
| umlal v21.8h, v6.8b, v26.8b |
| umlsl v21.8h, v7.8b, v27.8b |
| umlal v21.8h, v16.8b, v28.8b |
| umlsl v21.8h, v17.8b, v29.8b |
| add x14,x1,x6 |
| st1 {v19.8b},[x1],#8 //vst1_u8(pu1_dst,sto_res)// |
| sqrshrun v20.8b, v20.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| ld1 {v18.8b},[x3],x2 //src_tmp3 = vld1_u8(pu1_src_tmp)// |
| umull v30.8h, v4.8b, v23.8b |
| umlsl v30.8h, v3.8b, v22.8b |
| umlsl v30.8h, v5.8b, v24.8b |
| umlal v30.8h, v6.8b, v25.8b |
| umlal v30.8h, v7.8b, v26.8b |
| umlsl v30.8h, v16.8b, v27.8b |
| umlal v30.8h, v17.8b, v28.8b |
| umlsl v30.8h, v18.8b, v29.8b |
| |
| st1 {v20.8b},[x14],x6 //vst1_u8(pu1_dst_tmp,sto_res)// |
| sqrshrun v21.8b, v21.8h,#6 |
| |
| epilog_end: |
| st1 {v21.8b},[x14],x6 |
| sqrshrun v30.8b, v30.8h,#6 |
| |
| st1 {v30.8b},[x14],x6 |
| |
| |
| end_loops: |
| tst x5,#7 |
| ldp x0,x1, [sp],#16 |
| |
| // ldmeqfd sp!,{x4-x12,x15} //reload the registers from sp |
| bne lbl409 |
| ldp x19, x20,[sp], #16 |
| |
| ret |
| lbl409: |
| mov x5, #4 |
| add x0, x0, #8 |
| add x1, x1, #8 |
| mov x7, #16 |
| // |
| |
| core_loop_wd_4: |
| sub x20,x5,x6,lsl #2 //x6->dst_strd x5 ->wd |
| neg x9, x20 |
| sub x20,x5,x2,lsl #2 //x2->src_strd |
| neg x8, x20 |
| movi v4.8b, #0 |
| |
| outer_loop_wd_4: |
| subs x12,x5,#0 |
| ble end_inner_loop_wd_4 //outer loop jump |
| |
| inner_loop_wd_4: |
| add x3,x0,x2 |
| ld1 {v4.s}[1],[x3],x2 //src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)// |
| subs x12,x12,#4 |
| dup v5.2s, v4.s[1] //src_tmp2 = vdup_lane_u32(src_tmp1, 1)// |
| ld1 {v5.s}[1],[x3],x2 //src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)// |
| ld1 {v4.s}[0],[x0] //src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 0)// |
| umull v0.8h, v5.8b, v23.8b //mul_res1 = vmull_u8(vreinterpret_u8_u32(src_tmp2), coeffabs_1)// |
| |
| dup v6.2s, v5.s[1] //src_tmp3 = vdup_lane_u32(src_tmp2, 1)// |
| add x0,x0,#4 |
| ld1 {v6.s}[1],[x3],x2 //src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)// |
| umlsl v0.8h, v4.8b, v22.8b //mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_0)// |
| |
| dup v7.2s, v6.s[1] //src_tmp4 = vdup_lane_u32(src_tmp3, 1)// |
| ld1 {v7.s}[1],[x3],x2 //src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)// |
| umlsl v0.8h, v6.8b, v24.8b //mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_2)// |
| |
| umull v19.8h, v7.8b, v23.8b |
| dup v4.2s, v7.s[1] //src_tmp1 = vdup_lane_u32(src_tmp4, 1)// |
| umull v2.8h, v7.8b, v25.8b //mul_res2 = vmull_u8(vreinterpret_u8_u32(src_tmp4), coeffabs_3)// |
| ld1 {v4.s}[1],[x3],x2 //src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)// |
| umlsl v19.8h, v6.8b, v22.8b |
| umlal v0.8h, v4.8b, v26.8b //mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_4)// |
| |
| dup v5.2s, v4.s[1] //src_tmp2 = vdup_lane_u32(src_tmp1, 1)// |
| umlsl v19.8h, v4.8b, v24.8b |
| ld1 {v5.s}[1],[x3],x2 //src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)// |
| umlsl v2.8h, v5.8b, v27.8b //mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp2), coeffabs_5)// |
| |
| dup v6.2s, v5.s[1] //src_tmp3 = vdup_lane_u32(src_tmp2, 1)// |
| umlal v19.8h, v5.8b, v25.8b |
| ld1 {v6.s}[1],[x3],x2 //src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)// |
| umlal v0.8h, v6.8b, v28.8b //mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_6)// |
| |
| dup v7.2s, v6.s[1] //src_tmp4 = vdup_lane_u32(src_tmp3, 1)// |
| umlal v19.8h, v6.8b, v26.8b |
| ld1 {v7.s}[1],[x3],x2 //src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)// |
| umlsl v2.8h, v7.8b, v29.8b //mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp4), coeffabs_7)// |
| |
| dup v4.2s, v7.s[1] |
| add v0.8h, v0.8h , v2.8h //mul_res1 = vaddq_u16(mul_res1, mul_res2)// |
| |
| umlsl v19.8h, v7.8b, v27.8b |
| ld1 {v4.s}[1],[x3],x2 |
| umlal v19.8h, v4.8b, v28.8b |
| dup v5.2s, v4.s[1] |
| sqrshrun v0.8b, v0.8h,#6 //sto_res = vqmovun_s16(sto_res_tmp)// |
| |
| ld1 {v5.s}[1],[x3] |
| add x3,x1,x6 |
| st1 {v0.s}[0],[x1] //vst1_lane_u32((uint32_t *)pu1_dst, vreinterpret_u32_u8(sto_res), 0)// |
| |
| umlsl v19.8h, v5.8b, v29.8b |
| st1 {v0.s}[1],[x3],x6 //vst1_lane_u32((uint32_t *)pu1_dst_tmp, vreinterpret_u32_u8(sto_res), 1)// |
| sqrshrun v19.8b, v19.8h,#6 |
| |
| st1 {v19.s}[0],[x3],x6 |
| add x1,x1,#4 |
| st1 {v19.s}[1],[x3] |
| bgt inner_loop_wd_4 |
| |
| end_inner_loop_wd_4: |
| subs x7,x7,#4 |
| add x1,x1,x9 |
| add x0,x0,x8 |
| bgt outer_loop_wd_4 |
| |
| // ldmfd sp!, {x4-x12, x15} //reload the registers from sp |
| ldp x19, x20,[sp], #16 |
| |
| ret |
| |
