191037db265ecdd914a26e056cf69207b4f50924ehkuang; 291037db265ecdd914a26e056cf69207b4f50924ehkuang; Copyright (c) 2013 The WebM project authors. All Rights Reserved. 391037db265ecdd914a26e056cf69207b4f50924ehkuang; 491037db265ecdd914a26e056cf69207b4f50924ehkuang; Use of this source code is governed by a BSD-style license 591037db265ecdd914a26e056cf69207b4f50924ehkuang; that can be found in the LICENSE file in the root of the source 691037db265ecdd914a26e056cf69207b4f50924ehkuang; tree. An additional intellectual property rights grant can be found 791037db265ecdd914a26e056cf69207b4f50924ehkuang; in the file PATENTS. All contributing project authors may 891037db265ecdd914a26e056cf69207b4f50924ehkuang; be found in the AUTHORS file in the root of the source tree. 991037db265ecdd914a26e056cf69207b4f50924ehkuang; 1091037db265ecdd914a26e056cf69207b4f50924ehkuang 1191037db265ecdd914a26e056cf69207b4f50924ehkuang 1291037db265ecdd914a26e056cf69207b4f50924ehkuang ; These functions are only valid when: 1391037db265ecdd914a26e056cf69207b4f50924ehkuang ; x_step_q4 == 16 1491037db265ecdd914a26e056cf69207b4f50924ehkuang ; w%4 == 0 1591037db265ecdd914a26e056cf69207b4f50924ehkuang ; h%4 == 0 1691037db265ecdd914a26e056cf69207b4f50924ehkuang ; taps == 8 1791037db265ecdd914a26e056cf69207b4f50924ehkuang ; VP9_FILTER_WEIGHT == 128 1891037db265ecdd914a26e056cf69207b4f50924ehkuang ; VP9_FILTER_SHIFT == 7 1991037db265ecdd914a26e056cf69207b4f50924ehkuang 20da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian EXPORT |vpx_convolve8_avg_horiz_neon| 21da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian EXPORT |vpx_convolve8_avg_vert_neon| 2291037db265ecdd914a26e056cf69207b4f50924ehkuang ARM 2391037db265ecdd914a26e056cf69207b4f50924ehkuang REQUIRE8 2491037db265ecdd914a26e056cf69207b4f50924ehkuang PRESERVE8 2591037db265ecdd914a26e056cf69207b4f50924ehkuang 2691037db265ecdd914a26e056cf69207b4f50924ehkuang AREA ||.text||, CODE, READONLY, ALIGN=2 2791037db265ecdd914a26e056cf69207b4f50924ehkuang 2891037db265ecdd914a26e056cf69207b4f50924ehkuang ; Multiply and accumulate by q0 2991037db265ecdd914a26e056cf69207b4f50924ehkuang MACRO 3091037db265ecdd914a26e056cf69207b4f50924ehkuang MULTIPLY_BY_Q0 $dst, $src0, $src1, $src2, $src3, $src4, $src5, $src6, $src7 3191037db265ecdd914a26e056cf69207b4f50924ehkuang vmull.s16 $dst, $src0, d0[0] 3291037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src1, d0[1] 3391037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src2, d0[2] 3491037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src3, d0[3] 3591037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src4, d1[0] 3691037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src5, d1[1] 3791037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src6, d1[2] 3891037db265ecdd914a26e056cf69207b4f50924ehkuang vmlal.s16 $dst, $src7, d1[3] 3991037db265ecdd914a26e056cf69207b4f50924ehkuang MEND 4091037db265ecdd914a26e056cf69207b4f50924ehkuang 4191037db265ecdd914a26e056cf69207b4f50924ehkuang; r0 const uint8_t *src 4291037db265ecdd914a26e056cf69207b4f50924ehkuang; r1 int src_stride 4391037db265ecdd914a26e056cf69207b4f50924ehkuang; r2 uint8_t *dst 4491037db265ecdd914a26e056cf69207b4f50924ehkuang; r3 int dst_stride 45df37111358d02836cb29bbcb9c6e4c95dff90a16Johann; sp[]const int16_t *filter 46df37111358d02836cb29bbcb9c6e4c95dff90a16Johann; sp[]int x0_q4 47df37111358d02836cb29bbcb9c6e4c95dff90a16Johann; sp[]int x_step_q4 ; unused 48df37111358d02836cb29bbcb9c6e4c95dff90a16Johann; sp[]int y0_q4 49df37111358d02836cb29bbcb9c6e4c95dff90a16Johann; sp[]int y_step_q4 ; unused 5091037db265ecdd914a26e056cf69207b4f50924ehkuang; sp[]int w 5191037db265ecdd914a26e056cf69207b4f50924ehkuang; sp[]int h 5291037db265ecdd914a26e056cf69207b4f50924ehkuang 53da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian|vpx_convolve8_avg_horiz_neon| PROC 5491037db265ecdd914a26e056cf69207b4f50924ehkuang push {r4-r10, lr} 5591037db265ecdd914a26e056cf69207b4f50924ehkuang 5691037db265ecdd914a26e056cf69207b4f50924ehkuang sub r0, r0, #3 ; adjust for taps 5791037db265ecdd914a26e056cf69207b4f50924ehkuang 58df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldrd r4, r5, [sp, #32] ; filter, x0_q4 59df37111358d02836cb29bbcb9c6e4c95dff90a16Johann add r4, r5, lsl #4 60df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldrd r6, r7, [sp, #52] ; w, h 6191037db265ecdd914a26e056cf69207b4f50924ehkuang 62df37111358d02836cb29bbcb9c6e4c95dff90a16Johann vld1.s16 {q0}, [r4] ; filter 6391037db265ecdd914a26e056cf69207b4f50924ehkuang 643df0563f1b24dac6c0bd122fc922a48211269061hkuang sub r8, r1, r1, lsl #2 ; -src_stride * 3 653df0563f1b24dac6c0bd122fc922a48211269061hkuang add r8, r8, #4 ; -src_stride * 3 + 4 6691037db265ecdd914a26e056cf69207b4f50924ehkuang 673df0563f1b24dac6c0bd122fc922a48211269061hkuang sub r4, r3, r3, lsl #2 ; -dst_stride * 3 683df0563f1b24dac6c0bd122fc922a48211269061hkuang add r4, r4, #4 ; -dst_stride * 3 + 4 6991037db265ecdd914a26e056cf69207b4f50924ehkuang 703df0563f1b24dac6c0bd122fc922a48211269061hkuang rsb r9, r6, r1, lsl #2 ; reset src for outer loop 713df0563f1b24dac6c0bd122fc922a48211269061hkuang sub r9, r9, #7 7291037db265ecdd914a26e056cf69207b4f50924ehkuang rsb r12, r6, r3, lsl #2 ; reset dst for outer loop 7391037db265ecdd914a26e056cf69207b4f50924ehkuang 7491037db265ecdd914a26e056cf69207b4f50924ehkuang mov r10, r6 ; w loop counter 7591037db265ecdd914a26e056cf69207b4f50924ehkuang 76da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvpx_convolve8_avg_loop_horiz_v 773df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.8 {d24}, [r0], r1 783df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.8 {d25}, [r0], r1 793df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.8 {d26}, [r0], r1 803df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.8 {d27}, [r0], r8 8191037db265ecdd914a26e056cf69207b4f50924ehkuang 82f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vtrn.16 q12, q13 83f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vtrn.8 d24, d25 84f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vtrn.8 d26, d27 85f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang 863df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r0, r1, lsl #2] 873df0563f1b24dac6c0bd122fc922a48211269061hkuang 8891037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q8, d24 8991037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q9, d25 9091037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q10, d26 9191037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q11, d27 923df0563f1b24dac6c0bd122fc922a48211269061hkuang 933df0563f1b24dac6c0bd122fc922a48211269061hkuang ; save a few instructions in the inner loop 943df0563f1b24dac6c0bd122fc922a48211269061hkuang vswp d17, d18 953df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov d23, d21 963df0563f1b24dac6c0bd122fc922a48211269061hkuang 973df0563f1b24dac6c0bd122fc922a48211269061hkuang add r0, r0, #3 983df0563f1b24dac6c0bd122fc922a48211269061hkuang 99da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvpx_convolve8_avg_loop_horiz 1003df0563f1b24dac6c0bd122fc922a48211269061hkuang add r5, r0, #64 1013df0563f1b24dac6c0bd122fc922a48211269061hkuang 1023df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.32 {d28[]}, [r0], r1 1033df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.32 {d29[]}, [r0], r1 1043df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.32 {d31[]}, [r0], r1 1053df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.32 {d30[]}, [r0], r8 1063df0563f1b24dac6c0bd122fc922a48211269061hkuang 1073df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5] 1083df0563f1b24dac6c0bd122fc922a48211269061hkuang 1093df0563f1b24dac6c0bd122fc922a48211269061hkuang vtrn.16 d28, d31 1103df0563f1b24dac6c0bd122fc922a48211269061hkuang vtrn.16 d29, d30 1113df0563f1b24dac6c0bd122fc922a48211269061hkuang vtrn.8 d28, d29 1123df0563f1b24dac6c0bd122fc922a48211269061hkuang vtrn.8 d31, d30 1133df0563f1b24dac6c0bd122fc922a48211269061hkuang 1143df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5, r1] 1153df0563f1b24dac6c0bd122fc922a48211269061hkuang 1163df0563f1b24dac6c0bd122fc922a48211269061hkuang ; extract to s16 1173df0563f1b24dac6c0bd122fc922a48211269061hkuang vtrn.32 q14, q15 11891037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q12, d28 1193df0563f1b24dac6c0bd122fc922a48211269061hkuang vmovl.u8 q13, d29 1203df0563f1b24dac6c0bd122fc922a48211269061hkuang 1213df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5, r1, lsl #1] 12291037db265ecdd914a26e056cf69207b4f50924ehkuang 12391037db265ecdd914a26e056cf69207b4f50924ehkuang ; slightly out of order load to match the existing data 12491037db265ecdd914a26e056cf69207b4f50924ehkuang vld1.u32 {d6[0]}, [r2], r3 12591037db265ecdd914a26e056cf69207b4f50924ehkuang vld1.u32 {d7[0]}, [r2], r3 12691037db265ecdd914a26e056cf69207b4f50924ehkuang vld1.u32 {d6[1]}, [r2], r3 12791037db265ecdd914a26e056cf69207b4f50924ehkuang vld1.u32 {d7[1]}, [r2], r3 12891037db265ecdd914a26e056cf69207b4f50924ehkuang 12991037db265ecdd914a26e056cf69207b4f50924ehkuang sub r2, r2, r3, lsl #2 ; reset for store 13091037db265ecdd914a26e056cf69207b4f50924ehkuang 131df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ; src[] * filter 1323df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q1, d16, d17, d20, d22, d18, d19, d23, d24 1333df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q2, d17, d20, d22, d18, d19, d23, d24, d26 1343df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q14, d20, d22, d18, d19, d23, d24, d26, d27 1353df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q15, d22, d18, d19, d23, d24, d26, d27, d25 1363df0563f1b24dac6c0bd122fc922a48211269061hkuang 1373df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5, -r8] 13891037db265ecdd914a26e056cf69207b4f50924ehkuang 13991037db265ecdd914a26e056cf69207b4f50924ehkuang ; += 64 >> 7 14091037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d2, q1, #7 14191037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d3, q2, #7 14291037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d4, q14, #7 14391037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d5, q15, #7 14491037db265ecdd914a26e056cf69207b4f50924ehkuang 14591037db265ecdd914a26e056cf69207b4f50924ehkuang ; saturate 146f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vqmovn.u16 d2, q1 147f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vqmovn.u16 d3, q2 14891037db265ecdd914a26e056cf69207b4f50924ehkuang 14991037db265ecdd914a26e056cf69207b4f50924ehkuang ; transpose 15091037db265ecdd914a26e056cf69207b4f50924ehkuang vtrn.16 d2, d3 15191037db265ecdd914a26e056cf69207b4f50924ehkuang vtrn.32 d2, d3 15291037db265ecdd914a26e056cf69207b4f50924ehkuang vtrn.8 d2, d3 1533df0563f1b24dac6c0bd122fc922a48211269061hkuang 15491037db265ecdd914a26e056cf69207b4f50924ehkuang ; average the new value and the dst value 155f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vrhadd.u8 q1, q1, q3 15691037db265ecdd914a26e056cf69207b4f50924ehkuang 1573df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d2[0]}, [r2@32], r3 1583df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d3[0]}, [r2@32], r3 1593df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d2[1]}, [r2@32], r3 1603df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d3[1]}, [r2@32], r4 1613df0563f1b24dac6c0bd122fc922a48211269061hkuang 1623df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov q8, q9 1633df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov d20, d23 1643df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov q11, q12 1653df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov q9, q13 16691037db265ecdd914a26e056cf69207b4f50924ehkuang 16791037db265ecdd914a26e056cf69207b4f50924ehkuang subs r6, r6, #4 ; w -= 4 168da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian bgt vpx_convolve8_avg_loop_horiz 16991037db265ecdd914a26e056cf69207b4f50924ehkuang 17091037db265ecdd914a26e056cf69207b4f50924ehkuang ; outer loop 17191037db265ecdd914a26e056cf69207b4f50924ehkuang mov r6, r10 ; restore w counter 1723df0563f1b24dac6c0bd122fc922a48211269061hkuang add r0, r0, r9 ; src += src_stride * 4 - w 17391037db265ecdd914a26e056cf69207b4f50924ehkuang add r2, r2, r12 ; dst += dst_stride * 4 - w 17491037db265ecdd914a26e056cf69207b4f50924ehkuang subs r7, r7, #4 ; h -= 4 175da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian bgt vpx_convolve8_avg_loop_horiz_v 17691037db265ecdd914a26e056cf69207b4f50924ehkuang 17791037db265ecdd914a26e056cf69207b4f50924ehkuang pop {r4-r10, pc} 17891037db265ecdd914a26e056cf69207b4f50924ehkuang 17991037db265ecdd914a26e056cf69207b4f50924ehkuang ENDP 18091037db265ecdd914a26e056cf69207b4f50924ehkuang 181da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian|vpx_convolve8_avg_vert_neon| PROC 1823df0563f1b24dac6c0bd122fc922a48211269061hkuang push {r4-r8, lr} 18391037db265ecdd914a26e056cf69207b4f50924ehkuang 18491037db265ecdd914a26e056cf69207b4f50924ehkuang ; adjust for taps 18591037db265ecdd914a26e056cf69207b4f50924ehkuang sub r0, r0, r1 18691037db265ecdd914a26e056cf69207b4f50924ehkuang sub r0, r0, r1, lsl #1 18791037db265ecdd914a26e056cf69207b4f50924ehkuang 188df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldr r4, [sp, #24] ; filter 189df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldr r5, [sp, #36] ; y0_q4 190df37111358d02836cb29bbcb9c6e4c95dff90a16Johann add r4, r5, lsl #4 191df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldr r6, [sp, #44] ; w 192df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ldr lr, [sp, #48] ; h 19391037db265ecdd914a26e056cf69207b4f50924ehkuang 194df37111358d02836cb29bbcb9c6e4c95dff90a16Johann vld1.s16 {q0}, [r4] ; filter 19591037db265ecdd914a26e056cf69207b4f50924ehkuang 1963df0563f1b24dac6c0bd122fc922a48211269061hkuang lsl r1, r1, #1 1973df0563f1b24dac6c0bd122fc922a48211269061hkuang lsl r3, r3, #1 19891037db265ecdd914a26e056cf69207b4f50924ehkuang 199da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvpx_convolve8_avg_loop_vert_h 2003df0563f1b24dac6c0bd122fc922a48211269061hkuang mov r4, r0 2013df0563f1b24dac6c0bd122fc922a48211269061hkuang add r7, r0, r1, asr #1 2023df0563f1b24dac6c0bd122fc922a48211269061hkuang mov r5, r2 2033df0563f1b24dac6c0bd122fc922a48211269061hkuang add r8, r2, r3, asr #1 2043df0563f1b24dac6c0bd122fc922a48211269061hkuang mov r12, lr ; h loop counter 20591037db265ecdd914a26e056cf69207b4f50924ehkuang 2063df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d16[0]}, [r4], r1 2073df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d16[1]}, [r7], r1 2083df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d18[0]}, [r4], r1 2093df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d18[1]}, [r7], r1 2103df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d20[0]}, [r4], r1 2113df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d20[1]}, [r7], r1 2123df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d22[0]}, [r4], r1 21391037db265ecdd914a26e056cf69207b4f50924ehkuang 2143df0563f1b24dac6c0bd122fc922a48211269061hkuang vmovl.u8 q8, d16 2153df0563f1b24dac6c0bd122fc922a48211269061hkuang vmovl.u8 q9, d18 2163df0563f1b24dac6c0bd122fc922a48211269061hkuang vmovl.u8 q10, d20 2173df0563f1b24dac6c0bd122fc922a48211269061hkuang vmovl.u8 q11, d22 21891037db265ecdd914a26e056cf69207b4f50924ehkuang 219da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanianvpx_convolve8_avg_loop_vert 22091037db265ecdd914a26e056cf69207b4f50924ehkuang ; always process a 4x4 block at a time 2213df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d24[0]}, [r7], r1 2223df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d26[0]}, [r4], r1 2233df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d26[1]}, [r7], r1 2243df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d24[1]}, [r4], r1 22591037db265ecdd914a26e056cf69207b4f50924ehkuang 22691037db265ecdd914a26e056cf69207b4f50924ehkuang ; extract to s16 22791037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q12, d24 22891037db265ecdd914a26e056cf69207b4f50924ehkuang vmovl.u8 q13, d26 22991037db265ecdd914a26e056cf69207b4f50924ehkuang 2303df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d6[0]}, [r5@32], r3 2313df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d6[1]}, [r8@32], r3 2323df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d7[0]}, [r5@32], r3 2333df0563f1b24dac6c0bd122fc922a48211269061hkuang vld1.u32 {d7[1]}, [r8@32], r3 23491037db265ecdd914a26e056cf69207b4f50924ehkuang 2353df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r7] 2363df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r4] 23791037db265ecdd914a26e056cf69207b4f50924ehkuang 238df37111358d02836cb29bbcb9c6e4c95dff90a16Johann ; src[] * filter 2393df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q1, d16, d17, d18, d19, d20, d21, d22, d24 2403df0563f1b24dac6c0bd122fc922a48211269061hkuang 2413df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r7, r1] 2423df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r4, r1] 2433df0563f1b24dac6c0bd122fc922a48211269061hkuang 2443df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q2, d17, d18, d19, d20, d21, d22, d24, d26 2453df0563f1b24dac6c0bd122fc922a48211269061hkuang 2463df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5] 2473df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r8] 2483df0563f1b24dac6c0bd122fc922a48211269061hkuang 2493df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q14, d18, d19, d20, d21, d22, d24, d26, d27 2503df0563f1b24dac6c0bd122fc922a48211269061hkuang 2513df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r5, r3] 2523df0563f1b24dac6c0bd122fc922a48211269061hkuang pld [r8, r3] 2533df0563f1b24dac6c0bd122fc922a48211269061hkuang 2543df0563f1b24dac6c0bd122fc922a48211269061hkuang MULTIPLY_BY_Q0 q15, d19, d20, d21, d22, d24, d26, d27, d25 25591037db265ecdd914a26e056cf69207b4f50924ehkuang 25691037db265ecdd914a26e056cf69207b4f50924ehkuang ; += 64 >> 7 25791037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d2, q1, #7 25891037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d3, q2, #7 25991037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d4, q14, #7 26091037db265ecdd914a26e056cf69207b4f50924ehkuang vqrshrun.s32 d5, q15, #7 26191037db265ecdd914a26e056cf69207b4f50924ehkuang 26291037db265ecdd914a26e056cf69207b4f50924ehkuang ; saturate 263f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vqmovn.u16 d2, q1 264f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vqmovn.u16 d3, q2 26591037db265ecdd914a26e056cf69207b4f50924ehkuang 26691037db265ecdd914a26e056cf69207b4f50924ehkuang ; average the new value and the dst value 267f3bed9137f66ef693bd406e43b17e9a1114f1e14hkuang vrhadd.u8 q1, q1, q3 26891037db265ecdd914a26e056cf69207b4f50924ehkuang 2693df0563f1b24dac6c0bd122fc922a48211269061hkuang sub r5, r5, r3, lsl #1 ; reset for store 2703df0563f1b24dac6c0bd122fc922a48211269061hkuang sub r8, r8, r3, lsl #1 27191037db265ecdd914a26e056cf69207b4f50924ehkuang 2723df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d2[0]}, [r5@32], r3 2733df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d2[1]}, [r8@32], r3 2743df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d3[0]}, [r5@32], r3 2753df0563f1b24dac6c0bd122fc922a48211269061hkuang vst1.u32 {d3[1]}, [r8@32], r3 2763df0563f1b24dac6c0bd122fc922a48211269061hkuang 2773df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov q8, q10 2783df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov d18, d22 2793df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov d19, d24 2803df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov q10, q13 2813df0563f1b24dac6c0bd122fc922a48211269061hkuang vmov d22, d25 2823df0563f1b24dac6c0bd122fc922a48211269061hkuang 2833df0563f1b24dac6c0bd122fc922a48211269061hkuang subs r12, r12, #4 ; h -= 4 284da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian bgt vpx_convolve8_avg_loop_vert 28591037db265ecdd914a26e056cf69207b4f50924ehkuang 28691037db265ecdd914a26e056cf69207b4f50924ehkuang ; outer loop 2873df0563f1b24dac6c0bd122fc922a48211269061hkuang add r0, r0, #4 2883df0563f1b24dac6c0bd122fc922a48211269061hkuang add r2, r2, #4 2893df0563f1b24dac6c0bd122fc922a48211269061hkuang subs r6, r6, #4 ; w -= 4 290da49e34c1fb5e99681f4ad99c21d9cfd83eddb96Vignesh Venkatasubramanian bgt vpx_convolve8_avg_loop_vert_h 29191037db265ecdd914a26e056cf69207b4f50924ehkuang 2923df0563f1b24dac6c0bd122fc922a48211269061hkuang pop {r4-r8, pc} 29391037db265ecdd914a26e056cf69207b4f50924ehkuang 29491037db265ecdd914a26e056cf69207b4f50924ehkuang ENDP 29591037db265ecdd914a26e056cf69207b4f50924ehkuang END 296