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|
@/*****************************************************************************
@*
@* 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*****************************************
@ r0 => *pu1_src
@ r1 => *pu1_dst
@ r2 => src_strd
@ r6 => dst_strd
@ r12 => *pi1_coeff
@ r5 => ht
@ r3 => wd
.text
.align 4
.globl ihevc_inter_pred_luma_vert_a9q
.type ihevc_inter_pred_luma_vert_a9q, %function
ihevc_inter_pred_luma_vert_a9q:
stmfd sp!, {r4-r12, r14} @stack stores the values of the arguments
ldr r12,[sp,#40] @load pi1_coeff
mov r6,r3
ldr r5,[sp,#48] @load wd
vld1.u8 {d0},[r12] @coeff = vld1_s8(pi1_coeff)
sub r12,r2,r2,lsl #2 @src_ctrd & pi1_coeff
vabs.s8 d0,d0 @vabs_s8(coeff)
add r0,r0,r12 @r0->pu1_src r12->pi1_coeff
ldr r3,[sp,#44] @load ht
subs r7,r3,#0 @r3->ht
@ble end_loops @end loop jump
vdup.u8 d22,d0[0] @coeffabs_0 = vdup_lane_u8(coeffabs, 0)@
cmp r5,#8
vdup.u8 d23,d0[1] @coeffabs_1 = vdup_lane_u8(coeffabs, 1)@
vdup.u8 d24,d0[2] @coeffabs_2 = vdup_lane_u8(coeffabs, 2)@
vdup.u8 d25,d0[3] @coeffabs_3 = vdup_lane_u8(coeffabs, 3)@
vdup.u8 d26,d0[4] @coeffabs_4 = vdup_lane_u8(coeffabs, 4)@
vdup.u8 d27,d0[5] @coeffabs_5 = vdup_lane_u8(coeffabs, 5)@
vdup.u8 d28,d0[6] @coeffabs_6 = vdup_lane_u8(coeffabs, 6)@
vdup.u8 d29,d0[7] @coeffabs_7 = vdup_lane_u8(coeffabs, 7)@
blt core_loop_wd_4 @core loop wd 4 jump
str r0, [sp, #-4]!
str r1, [sp, #-4]!
bic r4,r5,#7 @r5 ->wd
rsb r9,r4,r6,lsl #2 @r6->dst_strd r5 ->wd
rsb r8,r4,r2,lsl #2 @r2->src_strd
mov r3, r5, lsr #3 @divide by 8
mul r7, r3 @multiply height by width
sub r7, #4 @subtract by one for epilog
prolog:
and r10, r0, #31
add r3,r0,r2 @pu1_src_tmp += src_strd@
vld1.u8 {d1},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
subs r4,r4,#8
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
addle r0,r0,r8
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
bicle r4,r5,#7 @r5 ->wd
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
pld [r3]
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
pld [r3, r2]
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
pld [r3, r2, lsl #1]
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
add r3, r3, r2
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
pld [r3, r2, lsl #1]
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
add r3,r0,r2 @pu1_src_tmp += src_strd@
vqrshrun.s16 d8,q4,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u8 {d1},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q6,d3,d23
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q6,d2,d22
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q6,d4,d24
vmlal.u8 q6,d5,d25
vmlal.u8 q6,d6,d26
vmlsl.u8 q6,d7,d27
vmlal.u8 q6,d16,d28
vmlsl.u8 q6,d17,d29
add r14,r1,r6
vst1.8 {d8},[r1]! @vst1_u8(pu1_dst,sto_res)@
vqrshrun.s16 d10,q5,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
addle r1,r1,r9
vmull.u8 q7,d4,d23
subs r7,r7,#4
vmlsl.u8 q7,d3,d22
vmlsl.u8 q7,d5,d24
vmlal.u8 q7,d6,d25
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d7,d26
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d16,d27
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d17,d28
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d18,d29
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vst1.8 {d10},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
vqrshrun.s16 d12,q6,#6
blt epilog_end @jumps to epilog_end
beq epilog @jumps to epilog
kernel_8:
subs r4,r4,#8
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
addle r0,r0,r8
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
bicle r4,r5,#7 @r5 ->wd
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
vst1.8 {d12},[r14],r6
@ and r11, r0, #31
vqrshrun.s16 d14,q7,#6
add r3,r0,r2 @pu1_src_tmp += src_strd@
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
vld1.u8 {d1},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
vst1.8 {d14},[r14],r6
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
add r14,r1,#0
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
add r1, r1, #8
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
addle r1,r1,r9
vqrshrun.s16 d8,q4,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
@ cmp r11, r10
vmull.u8 q6,d3,d23
add r10, r3, r2, lsl #3 @ 10*strd - 8+2
vmlsl.u8 q6,d2,d22
add r10, r10, r2 @ 11*strd
vmlsl.u8 q6,d4,d24
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q6,d5,d25
vmlal.u8 q6,d6,d26
vst1.8 {d8},[r14],r6 @vst1_u8(pu1_dst,sto_res)@
pld [r10] @11+ 0
vmlsl.u8 q6,d7,d27
pld [r10, r2] @11+ 1*strd
vmlal.u8 q6,d16,d28
pld [r10, r2, lsl #1] @11+ 2*strd
vmlsl.u8 q6,d17,d29
add r10, r10, r2 @12*strd
vqrshrun.s16 d10,q5,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
pld [r10, r2, lsl #1] @11+ 3*strd
vmull.u8 q7,d4,d23
@ mov r10, r11
vmlsl.u8 q7,d3,d22
subs r7,r7,#4
vmlsl.u8 q7,d5,d24
vmlal.u8 q7,d6,d25
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d7,d26
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d16,d27
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d17,d28
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d18,d29
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vqrshrun.s16 d12,q6,#6
vst1.8 {d10},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
bgt kernel_8 @jumps to kernel_8
epilog:
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
vst1.8 {d12},[r14],r6
vqrshrun.s16 d14,q7,#6
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
vst1.8 {d14},[r14],r6
vqrshrun.s16 d8,q4,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmull.u8 q6,d3,d23
vmlsl.u8 q6,d2,d22
vmlsl.u8 q6,d4,d24
vmlal.u8 q6,d5,d25
vmlal.u8 q6,d6,d26
vmlsl.u8 q6,d7,d27
vmlal.u8 q6,d16,d28
vmlsl.u8 q6,d17,d29
add r14,r1,r6
vst1.8 {d8},[r1]! @vst1_u8(pu1_dst,sto_res)@
vqrshrun.s16 d10,q5,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q7,d4,d23
vmlsl.u8 q7,d3,d22
vmlsl.u8 q7,d5,d24
vmlal.u8 q7,d6,d25
vmlal.u8 q7,d7,d26
vmlsl.u8 q7,d16,d27
vmlal.u8 q7,d17,d28
vmlsl.u8 q7,d18,d29
vst1.8 {d10},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
vqrshrun.s16 d12,q6,#6
epilog_end:
vst1.8 {d12},[r14],r6
vqrshrun.s16 d14,q7,#6
vst1.8 {d14},[r14],r6
end_loops:
tst r5,#7
ldr r1, [sp], #4
ldr r0, [sp], #4
ldmeqfd sp!,{r4-r12,r15} @reload the registers from sp
mov r5, #4
add r0, r0, #8
add r1, r1, #8
mov r7, #16
@
core_loop_wd_4:
rsb r9,r5,r6,lsl #2 @r6->dst_strd r5 ->wd
rsb r8,r5,r2,lsl #2 @r2->src_strd
vmov.i8 d4,#0
outer_loop_wd_4:
subs r12,r5,#0
ble end_inner_loop_wd_4 @outer loop jump
inner_loop_wd_4:
add r3,r0,r2
vld1.u32 {d4[1]},[r3],r2 @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)@
subs r12,r12,#4
vdup.u32 d5,d4[1] @src_tmp2 = vdup_lane_u32(src_tmp1, 1)@
vld1.u32 {d5[1]},[r3],r2 @src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)@
vld1.u32 {d4[0]},[r0] @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 0)@
vmull.u8 q0,d5,d23 @mul_res1 = vmull_u8(vreinterpret_u8_u32(src_tmp2), coeffabs_1)@
vdup.u32 d6,d5[1] @src_tmp3 = vdup_lane_u32(src_tmp2, 1)@
add r0,r0,#4
vld1.u32 {d6[1]},[r3],r2 @src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)@
vmlsl.u8 q0,d4,d22 @mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_0)@
vdup.u32 d7,d6[1] @src_tmp4 = vdup_lane_u32(src_tmp3, 1)@
vld1.u32 {d7[1]},[r3],r2 @src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)@
vmlsl.u8 q0,d6,d24 @mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_2)@
vmull.u8 q4,d7,d23
vdup.u32 d4,d7[1] @src_tmp1 = vdup_lane_u32(src_tmp4, 1)@
vmull.u8 q1,d7,d25 @mul_res2 = vmull_u8(vreinterpret_u8_u32(src_tmp4), coeffabs_3)@
vld1.u32 {d4[1]},[r3],r2 @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)@
vmlsl.u8 q4,d6,d22
vmlal.u8 q0,d4,d26 @mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_4)@
vdup.u32 d5,d4[1] @src_tmp2 = vdup_lane_u32(src_tmp1, 1)@
vmlsl.u8 q4,d4,d24
vld1.u32 {d5[1]},[r3],r2 @src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)@
vmlsl.u8 q1,d5,d27 @mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp2), coeffabs_5)@
vdup.u32 d6,d5[1] @src_tmp3 = vdup_lane_u32(src_tmp2, 1)@
vmlal.u8 q4,d5,d25
vld1.u32 {d6[1]},[r3],r2 @src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)@
vmlal.u8 q0,d6,d28 @mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_6)@
vdup.u32 d7,d6[1] @src_tmp4 = vdup_lane_u32(src_tmp3, 1)@
vmlal.u8 q4,d6,d26
vld1.u32 {d7[1]},[r3],r2 @src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)@
vmlsl.u8 q1,d7,d29 @mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp4), coeffabs_7)@
vdup.u32 d4,d7[1]
vadd.i16 q0,q0,q1 @mul_res1 = vaddq_u16(mul_res1, mul_res2)@
vmlsl.u8 q4,d7,d27
vld1.u32 {d4[1]},[r3],r2
vmlal.u8 q4,d4,d28
vdup.u32 d5,d4[1]
vqrshrun.s16 d0,q0,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u32 {d5[1]},[r3]
add r3,r1,r6
vst1.32 {d0[0]},[r1] @vst1_lane_u32((uint32_t *)pu1_dst, vreinterpret_u32_u8(sto_res), 0)@
vmlsl.u8 q4,d5,d29
vst1.32 {d0[1]},[r3],r6 @vst1_lane_u32((uint32_t *)pu1_dst_tmp, vreinterpret_u32_u8(sto_res), 1)@
vqrshrun.s16 d8,q4,#6
vst1.32 {d8[0]},[r3],r6
add r1,r1,#4
vst1.32 {d8[1]},[r3]
bgt inner_loop_wd_4
end_inner_loop_wd_4:
subs r7,r7,#4
add r1,r1,r9
add r0,r0,r8
bgt outer_loop_wd_4
ldmfd sp!, {r4-r12, r15} @reload the registers from sp
@/**
@*******************************************************************************
@*
@* @brief
@* interprediction luma filter for vertical 16bit output
@*
@* @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' no downshifting or clipping is done and the output is used as
@* an input for weighted prediction 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] pi2_dst
@* word16 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_w16out(uword8 *pu1_src,
@ word16 *pi2_dst,
@ word32 src_strd,
@ word32 dst_strd,
@ word8 *pi1_coeff,
@ word32 ht,
@ word32 wd )
@**************variables vs registers*****************************************
@ r0 => *pu1_src
@ r1 => *pu1_dst
@ r2 => src_strd
@ r6 => dst_strd
@ r12 => *pi1_coeff
@ r5 => ht
@ r3 => wd
.globl ihevc_inter_pred_luma_vert_w16out_a9q
.type ihevc_inter_pred_luma_vert_w16out_a9q, %function
ihevc_inter_pred_luma_vert_w16out_a9q:
stmfd sp!, {r4-r12, r14} @stack stores the values of the arguments
ldr r12,[sp,#40] @load pi1_coeff
mov r6,r3
ldr r5,[sp,#48] @load wd
vld1.u8 {d0},[r12] @coeff = vld1_s8(pi1_coeff)
sub r12,r2,r2,lsl #2 @src_ctrd & pi1_coeff
vabs.s8 d0,d0 @vabs_s8(coeff)
add r0,r0,r12 @r0->pu1_src r12->pi1_coeff
ldr r3,[sp,#44] @load ht
subs r7,r3,#0 @r3->ht
@ble end_loops_16out @end loop jump
vdup.u8 d22,d0[0] @coeffabs_0 = vdup_lane_u8(coeffabs, 0)@
cmp r5,#8
vdup.u8 d23,d0[1] @coeffabs_1 = vdup_lane_u8(coeffabs, 1)@
vdup.u8 d24,d0[2] @coeffabs_2 = vdup_lane_u8(coeffabs, 2)@
vdup.u8 d25,d0[3] @coeffabs_3 = vdup_lane_u8(coeffabs, 3)@
vdup.u8 d26,d0[4] @coeffabs_4 = vdup_lane_u8(coeffabs, 4)@
vdup.u8 d27,d0[5] @coeffabs_5 = vdup_lane_u8(coeffabs, 5)@
vdup.u8 d28,d0[6] @coeffabs_6 = vdup_lane_u8(coeffabs, 6)@
vdup.u8 d29,d0[7] @coeffabs_7 = vdup_lane_u8(coeffabs, 7)@
blt core_loop_wd_4_16out @core loop wd 4 jump
str r0, [sp, #-4]!
str r1, [sp, #-4]!
bic r4,r5,#7 @r5 ->wd
rsb r9,r4,r6,lsl #2 @r6->dst_strd r5 ->wd
rsb r8,r4,r2,lsl #2 @r2->src_strd
mov r6, r6, lsl #1
mov r3, r5, lsr #3 @divide by 8
mul r7, r3 @multiply height by width
sub r7, #4 @subtract by one for epilog
prolog_16out:
and r10, r0, #31
add r3,r0,r2 @pu1_src_tmp += src_strd@
vld1.u8 {d1},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
subs r4,r4,#8
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
addle r0,r0,r8
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
bicle r4,r5,#7 @r5 ->wd
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
pld [r3]
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
pld [r3, r2]
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
pld [r3, r2, lsl #1]
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
add r3, r3, r2
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
pld [r3, r2, lsl #1]
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
add r3,r0,r2 @pu1_src_tmp += src_strd@
vmull.u8 q6,d3,d23
vld1.u8 {d1},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q6,d2,d22
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q6,d4,d24
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q6,d5,d25
vmlal.u8 q6,d6,d26
vmlsl.u8 q6,d7,d27
vmlal.u8 q6,d16,d28
vmlsl.u8 q6,d17,d29
add r14,r1,r6
vst1.8 {d8, d9},[r1]! @vst1_u8(pu1_dst,sto_res)@
@vqrshrun.s16 d10,q5,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
addle r1,r1,r9,lsl #1
vmull.u8 q7,d4,d23
subs r7,r7,#4
vmlsl.u8 q7,d3,d22
vmlsl.u8 q7,d5,d24
vmlal.u8 q7,d6,d25
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d7,d26
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d16,d27
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d17,d28
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d18,d29
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vst1.8 {d10, d11},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
@vqrshrun.s16 d12,q6,#6
blt epilog_end_16out
beq epilog_16out @jumps to epilog
kernel_8_16out:
subs r4,r4,#8
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
addle r0,r0,r8
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
bicle r4,r5,#7 @r5 ->wd
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vst1.8 {d12,d13},[r14],r6
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
add r3,r0,r2 @pu1_src_tmp += src_strd@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
@ and r11, r0, #31
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
vst1.8 {d14,d15},[r14],r6
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
add r14,r1,r6
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
vld1.u8 {d0},[r0]! @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
vld1.u8 {d1},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
vst1.8 {d8,d9},[r1]! @vst1_u8(pu1_dst,sto_res)@
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
addle r1,r1,r9,lsl #1
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
@ cmp r11, r10
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
add r10, r3, r2, lsl #3 @ 10*strd - 8+2
vmull.u8 q6,d3,d23
add r10, r10, r2 @ 11*strd
vmlsl.u8 q6,d2,d22
pld [r10] @11+ 0
vmlsl.u8 q6,d4,d24
pld [r10, r2] @11+ 1*strd
vmlal.u8 q6,d5,d25
pld [r10, r2, lsl #1] @11+ 2*strd
vmlal.u8 q6,d6,d26
add r10, r10, r2 @12*strd
vmlsl.u8 q6,d7,d27
pld [r10, r2, lsl #1] @11+ 3*strd
vmlal.u8 q6,d16,d28
@ mov r10, r11
vmlsl.u8 q6,d17,d29
vld1.u8 {d2},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q7,d4,d23
subs r7,r7,#4
vmlsl.u8 q7,d3,d22
vst1.8 {d10, d11},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
vmlsl.u8 q7,d5,d24
vld1.u8 {d3},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d6,d25
vld1.u8 {d4},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d7,d26
vld1.u8 {d5},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d16,d27
vld1.u8 {d6},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmlal.u8 q7,d17,d28
vld1.u8 {d7},[r3],r2 @src_tmp4 = vld1_u8(pu1_src_tmp)@
vmlsl.u8 q7,d18,d29
bgt kernel_8_16out @jumps to kernel_8
epilog_16out:
vmull.u8 q4,d1,d23 @mul_res1 = vmull_u8(src_tmp2, coeffabs_1)@
vmlsl.u8 q4,d0,d22 @mul_res1 = vmlsl_u8(mul_res1, src_tmp1, coeffabs_0)@
vmlsl.u8 q4,d2,d24 @mul_res1 = vmlsl_u8(mul_res1, src_tmp3, coeffabs_2)@
vmlal.u8 q4,d3,d25 @mul_res1 = vmlal_u8(mul_res1, src_tmp4, coeffabs_3)@
vmlal.u8 q4,d4,d26 @mul_res1 = vmlal_u8(mul_res1, src_tmp1, coeffabs_4)@
vmlsl.u8 q4,d5,d27 @mul_res1 = vmlsl_u8(mul_res1, src_tmp2, coeffabs_5)@
vmlal.u8 q4,d6,d28 @mul_res1 = vmlal_u8(mul_res1, src_tmp3, coeffabs_6)@
vmlsl.u8 q4,d7,d29 @mul_res1 = vmlsl_u8(mul_res1, src_tmp4, coeffabs_7)@
vst1.8 {d12,d13},[r14],r6
@vqrshrun.s16 d14,q7,#6
vld1.u8 {d16},[r3],r2 @src_tmp1 = vld1_u8(pu1_src_tmp)@
vmull.u8 q5,d2,d23 @mul_res2 = vmull_u8(src_tmp3, coeffabs_1)@
vmlsl.u8 q5,d1,d22 @mul_res2 = vmlsl_u8(mul_res2, src_tmp2, coeffabs_0)@
vmlsl.u8 q5,d3,d24 @mul_res2 = vmlsl_u8(mul_res2, src_tmp4, coeffabs_2)@
vmlal.u8 q5,d4,d25 @mul_res2 = vmlal_u8(mul_res2, src_tmp1, coeffabs_3)@
vmlal.u8 q5,d5,d26 @mul_res2 = vmlal_u8(mul_res2, src_tmp2, coeffabs_4)@
vmlsl.u8 q5,d6,d27 @mul_res2 = vmlsl_u8(mul_res2, src_tmp3, coeffabs_5)@
vmlal.u8 q5,d7,d28 @mul_res2 = vmlal_u8(mul_res2, src_tmp4, coeffabs_6)@
vmlsl.u8 q5,d16,d29 @mul_res2 = vmlsl_u8(mul_res2, src_tmp1, coeffabs_7)@
vst1.8 {d14,d15},[r14],r6
@vqrshrun.s16 d8,q4,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u8 {d17},[r3],r2 @src_tmp2 = vld1_u8(pu1_src_tmp)@
vmull.u8 q6,d3,d23
vmlsl.u8 q6,d2,d22
vmlsl.u8 q6,d4,d24
vmlal.u8 q6,d5,d25
vmlal.u8 q6,d6,d26
vmlsl.u8 q6,d7,d27
vmlal.u8 q6,d16,d28
vmlsl.u8 q6,d17,d29
add r14,r1,r6
vst1.8 {d8,d9},[r1]! @vst1_u8(pu1_dst,sto_res)@
@vqrshrun.s16 d10,q5,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u8 {d18},[r3],r2 @src_tmp3 = vld1_u8(pu1_src_tmp)@
vmull.u8 q7,d4,d23
vmlsl.u8 q7,d3,d22
vmlsl.u8 q7,d5,d24
vmlal.u8 q7,d6,d25
vmlal.u8 q7,d7,d26
vmlsl.u8 q7,d16,d27
vmlal.u8 q7,d17,d28
vmlsl.u8 q7,d18,d29
vst1.8 {d10,d11},[r14],r6 @vst1_u8(pu1_dst_tmp,sto_res)@
@vqrshrun.s16 d12,q6,#6
epilog_end_16out:
vst1.8 {d12,d13},[r14],r6
@vqrshrun.s16 d14,q7,#6
vst1.8 {d14,d15},[r14],r6
end_loops_16out:
tst r5,#7
ldr r1, [sp], #4
ldr r0, [sp], #4
ldmeqfd sp!,{r4-r12,r15} @reload the registers from sp
mov r5, #4
add r0, r0, #8
add r1, r1, #16
mov r7, #16
mov r6, r6, lsr #1
@
core_loop_wd_4_16out:
rsb r9,r5,r6,lsl #2 @r6->dst_strd r5 ->wd
rsb r8,r5,r2,lsl #2 @r2->src_strd
vmov.i8 d4,#0
mov r6, r6, lsl #1
outer_loop_wd_4_16out:
subs r12,r5,#0
ble end_inner_loop_wd_4_16out @outer loop jump
inner_loop_wd_4_16out:
add r3,r0,r2
vld1.u32 {d4[1]},[r3],r2 @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)@
subs r12,r12,#4
vdup.u32 d5,d4[1] @src_tmp2 = vdup_lane_u32(src_tmp1, 1)@
vld1.u32 {d5[1]},[r3],r2 @src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)@
vld1.u32 {d4[0]},[r0] @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 0)@
vmull.u8 q0,d5,d23 @mul_res1 = vmull_u8(vreinterpret_u8_u32(src_tmp2), coeffabs_1)@
vdup.u32 d6,d5[1] @src_tmp3 = vdup_lane_u32(src_tmp2, 1)@
add r0,r0,#4
vld1.u32 {d6[1]},[r3],r2 @src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)@
vmlsl.u8 q0,d4,d22 @mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_0)@
vdup.u32 d7,d6[1] @src_tmp4 = vdup_lane_u32(src_tmp3, 1)@
vld1.u32 {d7[1]},[r3],r2 @src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)@
vmlsl.u8 q0,d6,d24 @mul_res1 = vmlsl_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_2)@
vmull.u8 q4,d7,d23
vdup.u32 d4,d7[1] @src_tmp1 = vdup_lane_u32(src_tmp4, 1)@
vmull.u8 q1,d7,d25 @mul_res2 = vmull_u8(vreinterpret_u8_u32(src_tmp4), coeffabs_3)@
vld1.u32 {d4[1]},[r3],r2 @src_tmp1 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp1, 1)@
vmlsl.u8 q4,d6,d22
vmlal.u8 q0,d4,d26 @mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp1), coeffabs_4)@
vdup.u32 d5,d4[1] @src_tmp2 = vdup_lane_u32(src_tmp1, 1)@
vmlsl.u8 q4,d4,d24
vld1.u32 {d5[1]},[r3],r2 @src_tmp2 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp2, 1)@
vmlsl.u8 q1,d5,d27 @mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp2), coeffabs_5)@
vdup.u32 d6,d5[1] @src_tmp3 = vdup_lane_u32(src_tmp2, 1)@
vmlal.u8 q4,d5,d25
vld1.u32 {d6[1]},[r3],r2 @src_tmp3 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp3, 1)@
vmlal.u8 q0,d6,d28 @mul_res1 = vmlal_u8(mul_res1, vreinterpret_u8_u32(src_tmp3), coeffabs_6)@
vdup.u32 d7,d6[1] @src_tmp4 = vdup_lane_u32(src_tmp3, 1)@
vmlal.u8 q4,d6,d26
vld1.u32 {d7[1]},[r3],r2 @src_tmp4 = vld1_lane_u32((uint32_t *)pu1_src_tmp, src_tmp4, 1)@
vmlsl.u8 q1,d7,d29 @mul_res2 = vmlsl_u8(mul_res2, vreinterpret_u8_u32(src_tmp4), coeffabs_7)@
vdup.u32 d4,d7[1]
vadd.i16 q0,q0,q1 @mul_res1 = vaddq_u16(mul_res1, mul_res2)@
vmlsl.u8 q4,d7,d27
vld1.u32 {d4[1]},[r3],r2
vmlal.u8 q4,d4,d28
vdup.u32 d5,d4[1]
@vqrshrun.s16 d0,q0,#6 @sto_res = vqmovun_s16(sto_res_tmp)@
vld1.u32 {d5[1]},[r3]
add r3,r1,r6
vst1.32 {d0},[r1]! @vst1_lane_u32((uint32_t *)pu1_dst, vreinterpret_u32_u8(sto_res), 0)@
vmlsl.u8 q4,d5,d29
vst1.32 {d1},[r3],r6 @vst1_lane_u32((uint32_t *)pu1_dst_tmp, vreinterpret_u32_u8(sto_res), 1)@
@vqrshrun.s16 d8,q4,#6
vst1.32 {d8},[r3],r6
@add r1,r1,#4
vst1.32 {d9},[r3]
bgt inner_loop_wd_4_16out
end_inner_loop_wd_4_16out:
subs r7,r7,#4
add r1,r1,r9,lsl #1
add r0,r0,r8
bgt outer_loop_wd_4_16out
ldmfd sp!, {r4-r12, r15} @reload the registers from sp
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