| //****************************************************************************** |
| //* |
| //* Copyright (C) 2015 The Android Open Source Project |
| //* |
| //* 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. |
| //* |
| //***************************************************************************** |
| //* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore |
| //*/ |
| ///** |
| //****************************************************************************** |
| //* @file |
| //* ih264_inter_pred_luma_horz_qpel_vert_hpel_av8.s |
| //* |
| //* @brief |
| //* Contains function definitions for inter prediction interpolation. |
| //* |
| //* @author |
| //* Mohit |
| //* |
| //* @par List of Functions: |
| //* |
| //* - ih264_inter_pred_luma_horz_qpel_vert_hpel_av8() |
| //* |
| //* @remarks |
| //* None |
| //* |
| //******************************************************************************* |
| //*/ |
| |
| ///* All the functions here are replicated from ih264_inter_pred_filters.c |
| // |
| |
| ///** |
| ///** |
| ///** |
| //******************************************************************************* |
| //* |
| //* @brief |
| //* This function implements a two stage cascaded six tap filter. It |
| //* applies the six tap filter in the vertical direction on the |
| //* predictor values, followed by applying the same filter in the |
| //* horizontal direction on the output of the first stage. It then averages |
| //* the output of the 1st stage and the final stage to obtain the quarter |
| //* pel values.The six tap filtering operation is described in sec 8.4.2.2.1 |
| //* titled "Luma sample interpolation process". |
| //* |
| //* @par Description: |
| //* This function is called to obtain pixels lying at the following |
| //* location (1/4,1/2) or (3/4,1/2). The function interpolates |
| //* the predictors first in the verical direction and then in the |
| //* horizontal direction to output the (1/2,1/2). It then averages |
| //* the output of the 2nd stage and (1/2,1/2) value to obtain (1/4,1/2) |
| //* or (3/4,1/2) depending on the offset. |
| //* |
| //* @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] ht |
| //* integer height of the array |
| //* |
| //* @param[in] wd |
| //* integer width of the array |
| //* |
| //* @param[in] pu1_tmp: temporary buffer |
| //* |
| //* @param[in] dydx: x and y reference offset for qpel calculations |
| //* |
| //* @returns |
| //* |
| //* @remarks |
| //* None |
| //* |
| //******************************************************************************* |
| //*/; |
| |
| //void ih264_inter_pred_luma_horz_qpel_vert_hpel(UWORD8 *pu1_src, |
| // UWORD8 *pu1_dst, |
| // WORD32 src_strd,, |
| // WORD32 dst_strd, |
| // WORD32 ht, |
| // WORD32 wd, |
| // UWORD8* pu1_tmp, |
| // UWORD32 dydx) |
| |
| //**************Variables Vs Registers***************************************** |
| // x0 => *pu1_src |
| // x1 => *pu1_dst |
| // w2 => src_strd |
| // w3 => dst_strd |
| // w4 => ht |
| // w5 => wd |
| // x6 => *pu1_tmp |
| // w7 => dydx |
| |
| .text |
| .p2align 2 |
| .include "ih264_neon_macros.s" |
| |
| |
| |
| .global ih264_inter_pred_luma_horz_qpel_vert_hpel_av8 |
| |
| ih264_inter_pred_luma_horz_qpel_vert_hpel_av8: |
| |
| // STMFD sp!, {x4-x12, x14} //store register values to stack |
| push_v_regs |
| stp x19, x20, [sp, #-16]! |
| sxtw x2, w2 |
| sxtw x3, w3 |
| sxtw x4, w4 |
| sxtw x5, w5 |
| |
| sub x0, x0, x2, lsl #1 //pu1_src-2*src_strd |
| sub x0, x0, #2 //pu1_src-2 |
| mov x9, x6 |
| mov w6, w7 |
| |
| and x6, x6, #2 // dydx & 0x3 followed by dydx>>1 and dydx<<1 |
| |
| add x7, x9, #4 |
| add x6, x7, x6 // pi16_pred1_temp += (x_offset>>1) |
| |
| movi v26.8h, #0x14 // Filter coeff 20 into Q13 |
| movi v24.8h, #0x5 // Filter coeff 5 into Q12 |
| movi v27.8h, #0x14 // Filter coeff 20 into Q13 |
| movi v25.8h, #0x5 // Filter coeff 5 into Q12 |
| mov x7, #0x20 |
| mov x8, #0x30 |
| subs x12, x5, #4 //if wd=4 branch to loop_4 |
| beq loop_4_start |
| |
| subs x12, x5, #8 //if wd=8 branch to loop_8 |
| beq loop_8_start |
| |
| //when wd=16 |
| movi v28.8h, #0x14 // Filter coeff 20 into Q13 |
| movi v30.8h, #0x5 // Filter coeff 5 into Q12 |
| sub x2, x2, #16 |
| ld1 {v0.2s, v1.2s}, [x0], #16 // Vector load from src[0_0] |
| ld1 {v12.2s}, [x0], x2 // Vector load from src[0_0] |
| ld1 {v2.2s, v3.2s}, [x0], #16 // Vector load from src[1_0] |
| ld1 {v13.2s}, [x0], x2 // Vector load from src[1_0] |
| ld1 {v4.2s, v5.2s}, [x0], #16 // Vector load from src[2_0] |
| ld1 {v14.2s}, [x0], x2 // Vector load from src[2_0] |
| ld1 {v6.2s, v7.2s}, [x0], #16 // Vector load from src[3_0] |
| ld1 {v15.2s}, [x0], x2 // Vector load from src[3_0] |
| ld1 {v8.2s, v9.2s}, [x0], #16 // Vector load from src[4_0] |
| ld1 {v16.2s}, [x0], x2 // Vector load from src[4_0] |
| |
| loop_16: |
| |
| ld1 {v10.2s, v11.2s}, [x0], #16 // Vector load from src[5_0] |
| ld1 {v17.2s}, [x0], x2 // Vector load from src[5_0] |
| |
| |
| uaddl v20.8h, v4.8b, v6.8b |
| uaddl v18.8h, v0.8b, v10.8b |
| uaddl v22.8h, v2.8b, v8.8b |
| mla v18.8h, v20.8h , v28.8h |
| uaddl v24.8h, v5.8b, v7.8b |
| uaddl v20.8h, v1.8b, v11.8b |
| uaddl v26.8h, v3.8b, v9.8b |
| mla v20.8h, v24.8h , v28.8h |
| uaddl v24.8h, v14.8b, v15.8b |
| mls v18.8h, v22.8h , v30.8h |
| uaddl v22.8h, v12.8b, v17.8b |
| mls v20.8h, v26.8h , v30.8h |
| uaddl v26.8h, v13.8b, v16.8b |
| mla v22.8h, v24.8h , v28.8h |
| mls v22.8h, v26.8h , v30.8h |
| st1 {v18.4s }, [x9], #16 |
| st1 {v20.4s}, [x9], #16 |
| ext v24.16b, v18.16b , v20.16b , #4 |
| ext v26.16b, v18.16b , v20.16b , #6 |
| st1 {v22.4s}, [x9] |
| ext v22.16b, v18.16b , v20.16b , #10 |
| add v0.8h, v24.8h , v26.8h |
| ext v24.16b, v18.16b , v20.16b , #2 |
| ext v26.16b, v18.16b , v20.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v18.4h, v22.4h |
| smlal v26.4s, v0.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v18.8h, v22.8h |
| smlal2 v22.4s, v0.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v18.4h, v26.4s, #10 |
| sqrshrun v19.4h, v22.4s, #10 |
| ld1 {v22.4s}, [x9], #16 |
| |
| uqxtn v18.8b, v18.8h |
| uqxtn v19.8b, v19.8h |
| mov v18.s[1], v19.s[0] |
| |
| ext v24.16b, v20.16b , v22.16b , #4 |
| ext v26.16b, v20.16b , v22.16b , #6 |
| ext v0.16b, v20.16b , v22.16b , #10 |
| st1 {v18.2s}, [x1] |
| add v18.8h, v24.8h , v26.8h |
| ext v24.16b, v20.16b , v22.16b , #2 |
| ext v26.16b, v20.16b , v22.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v0.4h, v20.4h |
| smlal v26.4s, v18.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v0.8h, v20.8h |
| smlal2 v22.4s, v18.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v19.4h, v26.4s, #10 |
| sqrshrun v18.4h, v22.4s, #10 |
| |
| uaddl v24.8h, v7.8b, v9.8b |
| ld1 {v20.4s}, [x6], #16 |
| ld1 {v22.4s}, [x6], x7 |
| |
| |
| uqxtn v19.8b, v19.8h |
| uqxtn v18.8b, v18.8h |
| mov v19.s[1], v18.s[0] |
| |
| ld1 {v18.2s}, [x1] |
| sqrshrun v20.8b, v20.8h, #5 |
| sqrshrun v21.8b, v22.8h, #5 |
| uaddl v22.8h, v4.8b, v10.8b |
| ld1 {v0.2s, v1.2s}, [x0], #16 // Vector load from src[6_0] |
| urhadd v18.16b, v18.16b , v20.16b |
| urhadd v19.16b, v19.16b , v21.16b |
| |
| ld1 {v12.2s}, [x0], x2 // Vector load from src[6_0] |
| uaddl v20.8h, v6.8b, v8.8b |
| uaddl v26.8h, v5.8b, v11.8b |
| st1 {v18.2s, v19.2s}, [x1], x3 // store row 0 |
| |
| |
| //ROW_2 |
| |
| |
| uaddl v18.8h, v2.8b, v0.8b |
| |
| mla v18.8h, v20.8h , v28.8h |
| |
| uaddl v20.8h, v3.8b, v1.8b |
| |
| mla v20.8h, v24.8h , v28.8h |
| uaddl v24.8h, v15.8b, v16.8b |
| mls v18.8h, v22.8h , v30.8h |
| uaddl v22.8h, v13.8b, v12.8b |
| mls v20.8h, v26.8h , v30.8h |
| uaddl v26.8h, v14.8b, v17.8b |
| mla v22.8h, v24.8h , v28.8h |
| mls v22.8h, v26.8h , v30.8h |
| st1 {v18.4s}, [x9], #16 |
| st1 {v20.4s}, [x9], #16 |
| ext v24.16b, v18.16b , v20.16b , #4 |
| ext v26.16b, v18.16b , v20.16b , #6 |
| st1 {v22.4s}, [x9] |
| ext v22.16b, v18.16b , v20.16b , #10 |
| add v2.8h, v24.8h , v26.8h |
| ext v24.16b, v18.16b , v20.16b , #2 |
| ext v26.16b, v18.16b , v20.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v18.4h, v22.4h |
| smlal v26.4s, v2.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v18.8h, v22.8h |
| smlal2 v22.4s, v2.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v18.4h, v26.4s, #10 |
| sqrshrun v19.4h, v22.4s, #10 |
| |
| ld1 {v22.4s}, [x9], #16 |
| |
| uqxtn v18.8b, v18.8h |
| uqxtn v19.8b, v19.8h |
| mov v18.s[1], v19.s[0] |
| |
| ext v24.16b, v20.16b , v22.16b , #4 |
| ext v26.16b, v20.16b , v22.16b , #6 |
| ext v2.16b, v20.16b , v22.16b , #10 |
| st1 {v18.2s}, [x1] |
| add v18.8h, v24.8h , v26.8h |
| ext v24.16b, v20.16b , v22.16b , #2 |
| ext v26.16b, v20.16b , v22.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v2.4h, v20.4h |
| smlal v26.4s, v18.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v2.8h, v20.8h |
| smlal2 v22.4s, v18.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v19.4h, v26.4s, #10 |
| sqrshrun v18.4h, v22.4s, #10 |
| uaddl v24.8h, v9.8b, v11.8b |
| ld1 {v20.4s}, [x6], #16 |
| ld1 {v22.4s}, [x6], x7 |
| uqxtn v19.8b, v19.8h |
| uqxtn v18.8b, v18.8h |
| mov v19.s[1], v18.s[0] |
| ld1 {v18.4s}, [x1] |
| sqrshrun v20.8b, v20.8h, #5 |
| sqrshrun v21.8b, v22.8h, #5 |
| |
| uaddl v22.8h, v6.8b, v0.8b |
| ld1 {v2.2s, v3.2s}, [x0], #16 // Vector load from src[7_0] |
| |
| urhadd v18.16b, v18.16b , v20.16b |
| urhadd v19.16b, v19.16b , v21.16b |
| ld1 {v13.2s}, [x0], x2 // Vector load from src[7_0] |
| uaddl v20.8h, v8.8b, v10.8b |
| uaddl v26.8h, v7.8b, v1.8b |
| st1 {v18.2s, v19.2s}, [x1], x3 // store row 1 |
| |
| //ROW_3 |
| |
| |
| uaddl v18.8h, v4.8b, v2.8b |
| |
| mla v18.8h, v20.8h , v28.8h |
| |
| uaddl v20.8h, v5.8b, v3.8b |
| |
| mla v20.8h, v24.8h , v28.8h |
| uaddl v24.8h, v16.8b, v17.8b |
| mls v18.8h, v22.8h , v30.8h |
| uaddl v22.8h, v14.8b, v13.8b |
| mls v20.8h, v26.8h , v30.8h |
| uaddl v26.8h, v15.8b, v12.8b |
| mla v22.8h, v24.8h , v28.8h |
| mls v22.8h, v26.8h , v30.8h |
| st1 {v18.4s}, [x9], #16 |
| st1 {v20.4s}, [x9], #16 |
| ext v24.16b, v18.16b , v20.16b , #4 |
| ext v26.16b, v18.16b , v20.16b , #6 |
| st1 {v22.4s}, [x9] |
| ext v22.16b, v18.16b , v20.16b , #10 |
| add v4.8h, v24.8h , v26.8h |
| ext v24.16b, v18.16b , v20.16b , #2 |
| ext v26.16b, v18.16b , v20.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v18.4h, v22.4h |
| smlal v26.4s, v4.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v18.8h, v22.8h |
| smlal2 v22.4s, v4.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v18.4h, v26.4s, #10 |
| sqrshrun v19.4h, v22.4s, #10 |
| ld1 {v22.4s}, [x9], #16 |
| |
| uqxtn v18.8b, v18.8h |
| uqxtn v19.8b, v19.8h |
| mov v18.s[1], v19.s[0] |
| |
| |
| ext v24.16b, v20.16b , v22.16b , #4 |
| ext v26.16b, v20.16b , v22.16b , #6 |
| ext v4.16b, v20.16b , v22.16b , #10 |
| st1 {v18.2s}, [x1] |
| add v18.8h, v24.8h , v26.8h |
| ext v24.16b, v20.16b , v22.16b , #2 |
| ext v26.16b, v20.16b , v22.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v4.4h, v20.4h |
| smlal v26.4s, v18.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v4.8h, v20.8h |
| smlal2 v22.4s, v18.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v19.4h, v26.4s, #10 |
| sqrshrun v18.4h, v22.4s, #10 |
| |
| uaddl v24.8h, v11.8b, v1.8b |
| ld1 {v20.4s}, [x6], #16 |
| ld1 {v22.4s}, [x6], x7 |
| |
| uqxtn v19.8b, v19.8h |
| uqxtn v18.8b, v18.8h |
| mov v19.s[1], v18.s[0] |
| |
| ld1 {v18.2s}, [x1] |
| sqrshrun v20.8b, v20.8h, #5 |
| sqrshrun v21.8b, v22.8h, #5 |
| |
| uaddl v22.8h, v8.8b, v2.8b |
| ld1 {v4.2s, v5.2s}, [x0], #16 // Vector load from src[8_0] |
| |
| urhadd v18.16b, v18.16b , v20.16b |
| urhadd v19.16b, v19.16b , v21.16b |
| ld1 {v14.2s}, [x0], x2 // Vector load from src[8_0] |
| uaddl v20.8h, v10.8b, v0.8b |
| uaddl v26.8h, v9.8b, v3.8b |
| st1 {v18.2s, v19.2s}, [x1], x3 // store row 2 |
| |
| |
| //ROW_4 |
| |
| uaddl v18.8h, v6.8b, v4.8b |
| |
| mla v18.8h, v20.8h , v28.8h |
| |
| uaddl v20.8h, v7.8b, v5.8b |
| |
| mla v20.8h, v24.8h , v28.8h |
| uaddl v24.8h, v17.8b, v12.8b |
| mls v18.8h, v22.8h , v30.8h |
| uaddl v22.8h, v15.8b, v14.8b |
| mls v20.8h, v26.8h , v30.8h |
| uaddl v26.8h, v16.8b, v13.8b |
| mla v22.8h, v24.8h , v28.8h |
| mls v22.8h, v26.8h , v30.8h |
| st1 {v18.4s}, [x9], #16 |
| st1 {v20.4s}, [x9], #16 |
| ext v24.16b, v18.16b , v20.16b , #4 |
| ext v26.16b, v18.16b , v20.16b , #6 |
| st1 {v22.4s}, [x9] |
| ext v22.16b, v18.16b , v20.16b , #10 |
| add v6.8h, v24.8h , v26.8h |
| ext v24.16b, v18.16b , v20.16b , #2 |
| ext v26.16b, v18.16b , v20.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v18.4h, v22.4h |
| smlal v26.4s, v6.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v18.8h, v22.8h |
| smlal2 v22.4s, v6.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| sqrshrun v18.4h, v26.4s, #10 |
| sqrshrun v19.4h, v22.4s, #10 |
| ld1 {v22.4s}, [x9], #16 |
| uqxtn v18.8b, v18.8h |
| uqxtn v19.8b, v19.8h |
| mov v18.s[1], v19.s[0] |
| |
| |
| ext v24.16b, v20.16b , v22.16b , #4 |
| ext v26.16b, v20.16b , v22.16b , #6 |
| ext v6.16b, v20.16b , v22.16b , #10 |
| st1 {v18.2s}, [x1] |
| add v18.8h, v24.8h , v26.8h |
| ext v24.16b, v20.16b , v22.16b , #2 |
| ext v26.16b, v20.16b , v22.16b , #8 |
| add v24.8h, v24.8h , v26.8h |
| |
| saddl v26.4s, v6.4h, v20.4h |
| smlal v26.4s, v18.4h, v28.4h |
| smlsl v26.4s, v24.4h, v30.4h |
| |
| saddl2 v22.4s, v6.8h, v20.8h |
| smlal2 v22.4s, v18.8h, v28.8h |
| smlsl2 v22.4s, v24.8h, v30.8h |
| |
| mov v6.16b, v2.16b |
| mov v7.16b, v3.16b |
| |
| mov v2.16b, v10.16b |
| mov v3.16b, v11.16b |
| |
| subs x4, x4, #4 |
| sqrshrun v19.4h, v26.4s, #10 |
| sqrshrun v18.4h, v22.4s, #10 |
| mov v10.16b, v0.16b |
| mov v11.16b, v1.16b |
| |
| mov v24.8b, v14.8b |
| |
| mov v14.16b, v12.16b |
| mov v15.16b, v13.16b |
| |
| |
| uqxtn v19.8b, v19.8h |
| uqxtn v18.8b, v18.8h |
| mov v19.s[1], v18.s[0] |
| |
| ld1 {v20.4s}, [x6], #16 |
| ld1 {v22.4s}, [x6], x7 |
| ld1 {v18.2s}, [x1] |
| sqrshrun v20.8b, v20.8h, #5 |
| sqrshrun v21.8b, v22.8h, #5 |
| |
| mov v0.16b, v8.16b |
| mov v1.16b, v9.16b |
| |
| mov v8.16b, v4.16b |
| mov v9.16b, v5.16b |
| |
| mov v12.16b, v16.16b |
| mov v13.16b, v17.16b |
| urhadd v18.16b, v18.16b , v20.16b |
| urhadd v19.16b, v19.16b , v21.16b |
| |
| mov v4.16b, v10.16b |
| mov v5.16b, v11.16b |
| |
| mov v16.8b, v24.8b |
| st1 {v18.2s, v19.2s}, [x1], x3 // store row 3 |
| |
| bgt loop_16 // looping if height =16 |
| b end_func |
| |
| loop_8_start: |
| ld1 {v0.2s, v1.2s}, [x0], x2 // Vector load from src[0_0] |
| ld1 {v2.2s, v3.2s}, [x0], x2 // Vector load from src[1_0] |
| ld1 {v4.2s, v5.2s}, [x0], x2 // Vector load from src[2_0] |
| ld1 {v6.2s, v7.2s}, [x0], x2 // Vector load from src[3_0] |
| ld1 {v8.2s, v9.2s}, [x0], x2 // Vector load from src[4_0] |
| |
| loop_8: |
| |
| ld1 {v10.2s, v11.2s}, [x0], x2 // Vector load from src[5_0] |
| uaddl v14.8h, v4.8b, v6.8b |
| uaddl v12.8h, v0.8b, v10.8b |
| uaddl v16.8h, v2.8b, v8.8b |
| mla v12.8h, v14.8h , v26.8h |
| uaddl v18.8h, v5.8b, v7.8b |
| uaddl v14.8h, v1.8b, v11.8b |
| uaddl v22.8h, v3.8b, v9.8b |
| mla v14.8h, v18.8h , v26.8h |
| mls v12.8h, v16.8h , v24.8h |
| ld1 {v0.2s, v1.2s}, [x0], x2 // Vector load from src[6_0] |
| uaddl v16.8h, v6.8b, v8.8b |
| mls v14.8h, v22.8h , v24.8h |
| uaddl v28.8h, v2.8b, v0.8b |
| st1 {v12.4s}, [x9], #16 // store row 0 to temp buffer: col 0 |
| ext v22.16b, v12.16b , v14.16b , #10 |
| uaddl v18.8h, v4.8b, v10.8b |
| mla v28.8h, v16.8h , v26.8h |
| saddl v30.4s, v12.4h, v22.4h |
| st1 {v14.4s}, [x9], x7 // store row 0 to temp buffer: col 1 |
| saddl2 v22.4s, v12.8h, v22.8h |
| ext v16.16b, v12.16b , v14.16b , #4 |
| mls v28.8h, v18.8h , v24.8h |
| ext v18.16b, v12.16b , v14.16b , #6 |
| ext v20.16b, v12.16b , v14.16b , #8 |
| ext v14.16b, v12.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v14.8h , v20.8h |
| uaddl v20.8h, v7.8b, v9.8b |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal2 v22.4s, v16.8h, v26.8h |
| smlsl2 v22.4s, v18.8h, v24.8h |
| uaddl v14.8h, v3.8b, v1.8b |
| st1 {v28.4s}, [x9], #16 // store row 1 to temp buffer: col 0 |
| mla v14.8h, v20.8h , v26.8h |
| sqrshrun v12.4h, v30.4s, #10 |
| uaddl v16.8h, v5.8b, v11.8b |
| sqrshrun v13.4h, v22.4s, #10 |
| mls v14.8h, v16.8h , v24.8h |
| ld1 {v2.2s, v3.2s}, [x0], x2 // Vector load from src[7_0] |
| uqxtn v25.8b, v12.8h |
| uqxtn v13.8b, v13.8h |
| mov v25.s[1], v13.s[0] |
| uaddl v16.8h, v8.8b, v10.8b |
| |
| |
| ext v22.16b, v28.16b , v14.16b , #10 |
| uaddl v20.8h, v4.8b, v2.8b |
| saddl v30.4s, v28.4h, v22.4h |
| mla v20.8h, v16.8h , v26.8h |
| st1 {v14.4s}, [x9], x7 // store row 1 to temp buffer: col 1 |
| saddl2 v22.4s, v28.8h, v22.8h |
| ext v16.16b, v28.16b , v14.16b , #4 |
| ext v18.16b, v28.16b , v14.16b , #6 |
| ext v12.16b, v28.16b , v14.16b , #8 |
| ext v14.16b, v28.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v12.8h , v14.8h |
| ld1 {v14.4s, v15.4s}, [x6], x8 // load row 0 from temp buffer |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal2 v22.4s, v16.8h, v26.8h |
| smlsl2 v22.4s, v18.8h, v24.8h |
| sqrshrun v14.8b, v14.8h, #0x5 |
| ld1 {v28.4s, v29.4s}, [x6], x8 // load row 1 from temp buffer |
| uaddl v18.8h, v6.8b, v0.8b |
| sqrshrun v16.4h, v30.4s, #10 |
| sqrshrun v15.8b, v28.8h, #0x5 |
| sqrshrun v17.4h, v22.4s, #10 |
| |
| mov v12.8b, v25.8b |
| mov v25.8b, v24.8b |
| |
| uaddl v28.8h, v9.8b, v11.8b |
| uqxtn v13.8b, v16.8h |
| uqxtn v17.8b, v17.8h |
| mov v13.s[1], v17.s[0] |
| |
| urhadd v12.16b, v12.16b , v14.16b |
| urhadd v13.16b, v13.16b , v15.16b |
| uaddl v14.8h, v5.8b, v3.8b |
| uaddl v22.8h, v7.8b, v1.8b |
| mls v20.8h, v18.8h , v24.8h |
| st1 {v12.2s}, [x1], x3 // store row 0 |
| mla v14.8h, v28.8h , v26.8h |
| ld1 {v4.2s, v5.2s}, [x0], x2 // Vector load from src[8_0] |
| uaddl v30.8h, v10.8b, v0.8b |
| uaddl v28.8h, v6.8b, v4.8b |
| mls v14.8h, v22.8h , v24.8h |
| st1 {v13.2s}, [x1], x3 // store row 1 |
| mla v28.8h, v30.8h , v26.8h |
| st1 {v20.4s}, [x9], #16 // store row 2 to temp buffer: col 0 |
| ext v22.16b, v20.16b , v14.16b , #10 |
| saddl v30.4s, v20.4h, v22.4h |
| st1 {v14.2s, v15.2s}, [x9], x7 // store row 2 to temp buffer: col 0 |
| saddl2 v22.4s, v20.8h, v22.8h |
| ext v16.16b, v20.16b , v14.16b , #4 |
| ext v18.16b, v20.16b , v14.16b , #6 |
| ext v12.16b, v20.16b , v14.16b , #8 |
| ext v14.16b, v20.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v14.8h , v12.8h |
| uaddl v20.8h, v8.8b, v2.8b |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal2 v22.4s, v16.8h, v26.8h |
| smlsl2 v22.4s, v18.8h, v24.8h |
| uaddl v18.8h, v11.8b, v1.8b |
| uaddl v16.8h, v7.8b, v5.8b |
| sqrshrun v12.4h, v30.4s, #10 |
| uaddl v30.8h, v9.8b, v3.8b |
| mla v16.8h, v18.8h , v26.8h |
| sqrshrun v13.4h, v22.4s, #10 |
| mls v28.8h, v20.8h , v24.8h |
| ld1 {v14.4s, v15.4s}, [x6], x8 // load row 2 from temp buffer |
| mls v16.8h, v30.8h , v24.8h |
| uqxtn v27.8b, v12.8h |
| uqxtn v13.8b, v13.8h |
| mov v27.s[1], v13.s[0] |
| |
| sqrshrun v14.8b, v14.8h, #5 |
| ext v22.16b, v28.16b , v16.16b , #10 |
| st1 {v28.4s}, [x9], #16 // store row 3 to temp buffer: col 0 |
| saddl v30.4s, v28.4h, v22.4h |
| st1 {v16.2s, v17.2s}, [x9], x7 // store row 3 to temp buffer: col 1 |
| saddl2 v22.4s, v28.8h, v22.8h |
| ext v12.16b, v28.16b , v16.16b , #4 |
| ext v18.16b, v28.16b , v16.16b , #6 |
| ext v20.16b, v28.16b , v16.16b , #8 |
| ext v28.16b, v28.16b , v16.16b , #2 |
| add v12.8h, v12.8h , v18.8h |
| add v18.8h, v28.8h , v20.8h |
| ld1 {v16.4s, v17.4s}, [x6], x8 // load row 3 from temp buffer |
| smlal v30.4s, v12.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal2 v22.4s, v12.8h, v26.8h |
| smlsl2 v22.4s, v18.8h, v24.8h |
| sqrshrun v15.8b, v16.8h, #0x5 |
| |
| mov v12.8b, v27.8b |
| mov v27.8b, v26.8b |
| |
| sqrshrun v16.4h, v30.4s, #10 |
| |
| mov v6.16b, v2.16b |
| mov v7.16b, v3.16b |
| |
| sqrshrun v17.4h, v22.4s, #10 |
| |
| mov v2.16b, v10.16b |
| mov v3.16b, v11.16b |
| |
| mov v10.16b, v0.16b |
| mov v11.16b, v1.16b |
| |
| subs x4, x4, #4 |
| uqxtn v13.8b, v16.8h |
| uqxtn v17.8b, v17.8h |
| mov v13.s[1], v17.s[0] |
| urhadd v12.16b, v12.16b , v14.16b |
| urhadd v13.16b, v13.16b , v15.16b |
| |
| mov v0.16b, v8.16b |
| mov v1.16b, v9.16b |
| |
| mov v8.16b, v4.16b |
| mov v9.16b, v5.16b |
| |
| mov v4.16b, v10.16b |
| mov v5.16b, v11.16b |
| |
| st1 {v12.2s}, [x1], x3 // store row 2 |
| st1 {v13.2s}, [x1], x3 // store row 3 |
| |
| bgt loop_8 //if height =8 loop |
| b end_func |
| |
| loop_4_start: |
| ld1 {v0.2s, v1.2s}, [x0], x2 // Vector load from src[0_0] |
| ld1 {v2.2s, v3.2s}, [x0], x2 // Vector load from src[1_0] |
| ld1 {v4.2s, v5.2s}, [x0], x2 // Vector load from src[2_0] |
| ld1 {v6.2s, v7.2s}, [x0], x2 // Vector load from src[3_0] |
| ld1 {v8.2s, v9.2s}, [x0], x2 // Vector load from src[4_0] |
| |
| loop_4: |
| ld1 {v10.2s, v11.2s}, [x0], x2 // Vector load from src[5_0] |
| uaddl v14.8h, v4.8b, v6.8b // temp1 = src[2_0] + src[3_0] |
| uaddl v12.8h, v0.8b, v10.8b // temp = src[0_0] + src[5_0] |
| uaddl v16.8h, v2.8b, v8.8b // temp2 = src[1_0] + src[4_0] |
| mla v12.8h, v14.8h , v26.8h // temp += temp1 * 20 |
| uaddl v18.8h, v5.8b, v7.8b // temp1 = src[2_0] + src[3_0] |
| uaddl v14.8h, v1.8b, v11.8b // temp = src[0_0] + src[5_0] |
| uaddl v22.8h, v3.8b, v9.8b // temp2 = src[1_0] + src[4_0] |
| mla v14.8h, v18.8h , v26.8h // temp += temp1 * 20 |
| mls v12.8h, v16.8h , v24.8h // temp -= temp2 * 5 |
| ld1 {v0.2s, v1.2s}, [x0], x2 // Vector load from src[6_0] |
| uaddl v16.8h, v6.8b, v8.8b |
| mls v14.8h, v22.8h , v24.8h // temp -= temp2 * 5 |
| //Q6 and Q7 have filtered values |
| uaddl v28.8h, v2.8b, v0.8b |
| st1 {v12.4s}, [x9], #16 // store row 0 to temp buffer: col 0 |
| ext v22.16b, v12.16b , v14.16b , #10 |
| uaddl v18.8h, v4.8b, v10.8b |
| mla v28.8h, v16.8h , v26.8h |
| saddl v30.4s, v12.4h, v22.4h |
| st1 {v14.4s}, [x9], x7 // store row 0 to temp buffer: col 1 |
| saddl v22.4s, v13.4h, v23.4h |
| ext v16.16b, v12.16b , v14.16b , #4 |
| mls v28.8h, v18.8h , v24.8h |
| ext v18.16b, v12.16b , v14.16b , #6 |
| ext v20.16b, v12.16b , v14.16b , #8 |
| ext v14.16b, v12.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v14.8h , v20.8h |
| uaddl v20.8h, v7.8b, v9.8b |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal v22.4s, v17.4h, v26.4h |
| smlsl v22.4s, v19.4h, v24.4h |
| uaddl v14.8h, v3.8b, v1.8b |
| st1 {v28.4s}, [x9], #16 // store row 1 to temp buffer: col 0 |
| mla v14.8h, v20.8h , v26.8h |
| sqrshrun v12.4h, v30.4s, #10 |
| uaddl v16.8h, v5.8b, v11.8b |
| sqrshrun v13.4h, v22.4s, #10 |
| mls v14.8h, v16.8h , v24.8h |
| ld1 {v2.2s, v3.2s}, [x0], x2 // Vector load from src[7_0] |
| uqxtn v25.8b, v12.8h |
| uaddl v16.8h, v8.8b, v10.8b |
| |
| ext v22.16b, v28.16b , v14.16b , #10 |
| uaddl v20.8h, v4.8b, v2.8b |
| saddl v30.4s, v28.4h, v22.4h |
| mla v20.8h, v16.8h , v26.8h |
| st1 {v14.4s}, [x9], x7 // store row 1 to temp buffer: col 1 |
| saddl v22.4s, v29.4h, v23.4h |
| ext v16.16b, v28.16b , v14.16b , #4 |
| ext v18.16b, v28.16b , v14.16b , #6 |
| ext v12.16b, v28.16b , v14.16b , #8 |
| ext v14.16b, v28.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v12.8h , v14.8h |
| ld1 {v14.2s}, [x6], x8 //load row 0 from temp buffer |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal v22.4s, v17.4h, v26.4h |
| smlsl v22.4s, v19.4h, v24.4h |
| sqrshrun v14.8b, v14.8h, #0x5 |
| ld1 {v28.2s}, [x6], x8 //load row 1 from temp buffer |
| uaddl v18.8h, v6.8b, v0.8b |
| sqrshrun v16.4h, v30.4s, #10 |
| sqrshrun v15.8b, v28.8h, #0x5 |
| sqrshrun v17.4h, v22.4s, #10 |
| |
| mov v12.8b, v25.8b |
| mov v25.8b, v24.8b |
| |
| uaddl v28.8h, v9.8b, v11.8b |
| uqxtn v13.8b, v16.8h |
| |
| urhadd v12.16b, v12.16b , v14.16b |
| urhadd v13.16b, v13.16b , v15.16b |
| |
| uaddl v14.8h, v5.8b, v3.8b |
| uaddl v22.8h, v7.8b, v1.8b |
| mls v20.8h, v18.8h , v24.8h |
| st1 {v12.s}[0], [x1], x3 // store row 0 |
| mla v14.8h, v28.8h , v26.8h |
| ld1 {v4.2s, v5.2s}, [x0], x2 // Vector load from src[8_0] |
| uaddl v30.8h, v10.8b, v0.8b |
| uaddl v28.8h, v6.8b, v4.8b |
| mls v14.8h, v22.8h , v24.8h |
| st1 {v13.s}[0], [x1], x3 //store row 1 |
| mla v28.8h, v30.8h , v26.8h |
| st1 {v20.4s}, [x9], #16 // store row 2 to temp buffer: col 0 |
| ext v22.16b, v20.16b , v14.16b , #10 |
| saddl v30.4s, v20.4h, v22.4h |
| st1 {v14.4s}, [x9], x7 // store row 2 to temp buffer: col 1 |
| saddl v22.4s, v21.4h, v23.4h |
| ext v16.16b, v20.16b , v14.16b , #4 |
| ext v18.16b, v20.16b , v14.16b , #6 |
| ext v12.16b, v20.16b , v14.16b , #8 |
| ext v14.16b, v20.16b , v14.16b , #2 |
| add v16.8h, v16.8h , v18.8h |
| add v18.8h, v14.8h , v12.8h |
| uaddl v20.8h, v8.8b, v2.8b |
| smlal v30.4s, v16.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal v22.4s, v17.4h, v26.4h |
| smlsl v22.4s, v19.4h, v24.4h |
| uaddl v18.8h, v11.8b, v1.8b |
| uaddl v16.8h, v7.8b, v5.8b |
| sqrshrun v12.4h, v30.4s, #10 |
| uaddl v30.8h, v9.8b, v3.8b |
| mla v16.8h, v18.8h , v26.8h |
| sqrshrun v13.4h, v22.4s, #10 |
| mls v28.8h, v20.8h , v24.8h |
| ld1 {v14.2s}, [x6], x8 //load row 3 from temp buffer |
| mls v16.8h, v30.8h , v24.8h |
| uqxtn v27.8b, v12.8h |
| sqrshrun v14.8b, v14.8h, #5 |
| ext v22.16b, v28.16b , v16.16b , #10 |
| st1 {v28.4s}, [x9], #16 // store row 3 to temp buffer: col 0 |
| saddl v30.4s, v28.4h, v22.4h |
| st1 {v16.4s}, [x9], x7 // store row 3 to temp buffer: col 1 |
| saddl v22.4s, v29.4h, v23.4h |
| ext v12.16b, v28.16b , v16.16b , #4 |
| ext v18.16b, v28.16b , v16.16b , #6 |
| ext v20.16b, v28.16b , v16.16b , #8 |
| ext v28.16b, v28.16b , v16.16b , #2 |
| add v12.8h, v12.8h , v18.8h |
| add v18.8h, v28.8h , v20.8h |
| ld1 {v16.2s}, [x6], x8 //load row 4 from temp buffer |
| smlal v30.4s, v12.4h, v26.4h |
| smlsl v30.4s, v18.4h, v24.4h |
| smlal v22.4s, v13.4h, v26.4h |
| smlsl v22.4s, v19.4h, v24.4h |
| sqrshrun v15.8b, v16.8h, #0x5 |
| |
| mov v12.8b, v27.8b |
| mov v27.8b, v26.8b |
| |
| sqrshrun v16.4h, v30.4s, #10 |
| |
| mov v6.16b, v2.16b |
| mov v7.16b, v3.16b |
| |
| sqrshrun v17.4h, v22.4s, #10 |
| |
| mov v2.16b, v10.16b |
| mov v3.16b, v11.16b |
| |
| mov v10.16b, v0.16b |
| mov v11.16b, v1.16b |
| |
| subs x4, x4, #4 |
| uqxtn v13.8b, v16.8h |
| urhadd v12.16b, v12.16b , v14.16b |
| urhadd v13.16b, v13.16b , v15.16b |
| |
| mov v0.16b, v8.16b |
| mov v1.16b, v9.16b |
| |
| mov v8.16b, v4.16b |
| mov v9.16b, v5.16b |
| |
| |
| mov v4.16b, v10.16b |
| mov v5.16b, v11.16b |
| |
| |
| st1 {v12.s}[0], [x1], x3 // store row 2 |
| st1 {v13.s}[0], [x1], x3 // store row 3 |
| |
| bgt loop_4 |
| |
| end_func: |
| // LDMFD sp!,{x4-x12,PC} //Restoring registers from stack |
| ldp x19, x20, [sp], #16 |
| pop_v_regs |
| ret |
| |
| |
| |