WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/ffmpeg/libavcodec/arm/rv40dsp_neon.S

Rev	Author	Line No.	Line
4349	Serge	1	/*
		2	* Copyright (c) 2011 Janne Grunau
		3	* Copyright (c) 2011 Mans Rullgard
		4	*
		5	* This file is part of FFmpeg.
		6	*
		7	* FFmpeg is free software; you can redistribute it and/or
		8	* modify it under the terms of the GNU Lesser General Public
		9	* License as published by the Free Software Foundation; either
		10	* version 2.1 of the License, or (at your option) any later version.
		11	*
		12	* FFmpeg is distributed in the hope that it will be useful,
		13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
		15	* Lesser General Public License for more details.
		16	*
		17	* You should have received a copy of the GNU Lesser General Public
		18	* License along with FFmpeg; if not, write to the Free Software
		19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
		20	*/
		21
		22	#include "libavutil/arm/asm.S"
		23	#include "neon.S"
		24
		25	.macro qpel_lowpass r0, r1, rc1, rc2, shift
		26	vext.8 d25, \r0, \r1, #1 @ src[-1]
		27	vext.8 d26, \r0, \r1, #4 @ src[ 2]
		28	vext.8 d24, \r0, \r1, #5 @ src[ 3]
		29	vaddl.u8 q9, d25, d26
		30	vaddl.u8 q8, \r0, d24
		31	vext.8 d27, \r0, \r1, #2 @ src[ 0]
		32	vshl.s16 q12, q9, #2
		33	vsub.s16 q8, q8, q9
		34	vext.8 d28, \r0, \r1, #3 @ src[ 1]
		35	vsub.s16 q8, q8, q12
		36	vmlal.u8 q8, d27, \rc1
		37	vmlal.u8 q8, d28, \rc2
		38	vqrshrun.s16 \r0, q8, #\shift
		39	.endm
		40
		41	.macro qpel_lowpass_x2 r0, r1, r2, r3, rc1, rc2, shift
		42	vext.8 d25, \r0, \r1, #1 @ src[-1]
		43	vext.8 d26, \r0, \r1, #4 @ src[ 2]
		44	vext.8 d24, \r0, \r1, #5 @ src[ 3]
		45	vaddl.u8 q9, d25, d26
		46	vaddl.u8 q8, \r0, d24
		47	vext.8 d29, \r0, \r1, #2 @ src[ 0]
		48	vext.8 d28, \r0, \r1, #3 @ src[ 1]
		49	vshl.s16 q10, q9, #2
		50	vext.8 \r1, \r2, \r3, #1 @ src[-1]
		51	vsub.s16 q8, q8, q9
		52	vext.8 d22, \r2, \r3, #4 @ src[ 2]
		53	vext.8 \r0, \r2, \r3, #5 @ src[ 3]
		54	vaddl.u8 q13, \r1, d22
		55	vaddl.u8 q12, \r2, \r0
		56	vsub.s16 q8, q8, q10
		57	vshl.s16 q9, q13, #2
		58	vsub.s16 q12, q12, q13
		59	vmlal.u8 q8, d29, \rc1
		60	vmlal.u8 q8, d28, \rc2
		61	vsub.s16 q12, q12, q9
		62	vext.8 d26, \r2, \r3, #2 @ src[ 0]
		63	vext.8 d27, \r2, \r3, #3 @ src[ 1]
		64	vmlal.u8 q12, d26, \rc1
		65	vmlal.u8 q12, d27, \rc2
		66	vqrshrun.s16 \r0, q8, #\shift
		67	vqrshrun.s16 \r2, q12, #\shift
		68	.endm
		69
		70	.macro rv40_qpel8_h shift
		71	function put_rv40_qpel8_h_lp_packed_s\shift\()_neon
		72	1:
		73	vld1.8 {q2}, [r1], r2
		74	vld1.8 {q3}, [r1], r2
		75	qpel_lowpass_x2 d4, d5, d6, d7, d0, d1, \shift
		76	vst1.8 {d4}, [r12,:64]!
		77	vst1.8 {d6}, [r12,:64]!
		78	subs r3, r3, #2
		79	bgt 1b
		80	vld1.8 {q2}, [r1]
		81	qpel_lowpass d4, d5, d0, d1, \shift
		82	vst1.8 {d4}, [r12,:64]!
		83	bx lr
		84	endfunc
		85	.endm
		86
		87	.macro rv40_qpel8_v shift, type
		88	function \type\()_rv40_qpel8_v_lp_packed_s\shift\()_neon
		89	vld1.64 {d2}, [r1,:64]!
		90	vld1.64 {d3}, [r1,:64]!
		91	vld1.64 {d4}, [r1,:64]!
		92	vld1.64 {d5}, [r1,:64]!
		93	vld1.64 {d6}, [r1,:64]!
		94	vld1.64 {d7}, [r1,:64]!
		95	vld1.64 {d8}, [r1,:64]!
		96	vld1.64 {d9}, [r1,:64]!
		97	vld1.64 {d10}, [r1,:64]!
		98	vld1.64 {d11}, [r1,:64]!
		99	vld1.64 {d12}, [r1,:64]!
		100	vld1.64 {d13}, [r1,:64]!
		101	vld1.64 {d14}, [r1,:64]!
		102	transpose_8x8 d2, d3, d4, d5, d6, d7, d8, d9
		103	transpose_8x8 d10, d11, d12, d13, d14, d15, d30, d31
		104	qpel_lowpass_x2 d2, d10, d3, d11, d0, d1, \shift
		105	qpel_lowpass_x2 d4, d12, d5, d13, d0, d1, \shift
		106	qpel_lowpass_x2 d6, d14, d7, d15, d0, d1, \shift
		107	qpel_lowpass_x2 d8, d30, d9, d31, d0, d1, \shift
		108	transpose_8x8 d2, d3, d4, d5, d6, d7, d8, d9
		109	.ifc \type,avg
		110	vld1.64 d12, [r0,:64], r2
		111	vld1.64 d13, [r0,:64], r2
		112	vld1.64 d14, [r0,:64], r2
		113	vld1.64 d15, [r0,:64], r2
		114	vld1.64 d16, [r0,:64], r2
		115	vld1.64 d17, [r0,:64], r2
		116	vld1.64 d18, [r0,:64], r2
		117	vld1.64 d19, [r0,:64], r2
		118	sub r0, r0, r2, lsl #3
		119	vrhadd.u8 q1, q1, q6
		120	vrhadd.u8 q2, q2, q7
		121	vrhadd.u8 q3, q3, q8
		122	vrhadd.u8 q4, q4, q9
		123	.endif
		124	vst1.64 d2, [r0,:64], r2
		125	vst1.64 d3, [r0,:64], r2
		126	vst1.64 d4, [r0,:64], r2
		127	vst1.64 d5, [r0,:64], r2
		128	vst1.64 d6, [r0,:64], r2
		129	vst1.64 d7, [r0,:64], r2
		130	vst1.64 d8, [r0,:64], r2
		131	vst1.64 d9, [r0,:64], r2
		132	bx lr
		133	endfunc
		134	.endm
		135
		136	rv40_qpel8_h 5
		137	rv40_qpel8_h 6
		138
		139	.macro rv40_qpel type
		140	function \type\()_rv40_qpel8_h_lowpass_neon
		141	.ifc \type,avg
		142	mov r12, r0
		143	.endif
		144	1:
		145	vld1.8 {q2}, [r1], r2
		146	vld1.8 {q3}, [r1], r2
		147	qpel_lowpass_x2 d4, d5, d6, d7, d0, d1, 6
		148	.ifc \type,avg
		149	vld1.8 {d3}, [r12,:64], r2
		150	vld1.8 {d16}, [r12,:64], r2
		151	vrhadd.u8 d4, d4, d3
		152	vrhadd.u8 d6, d6, d16
		153	.endif
		154	vst1.8 {d4}, [r0,:64], r2
		155	vst1.8 {d6}, [r0,:64], r2
		156	subs r3, r3, #2
		157	bgt 1b
		158	bx lr
		159	endfunc
		160
		161	function \type\()_rv40_qpel8_v_lowpass_neon
		162	vld1.64 {d2}, [r1], r2
		163	vld1.64 {d3}, [r1], r2
		164	vld1.64 {d4}, [r1], r2
		165	vld1.64 {d5}, [r1], r2
		166	vld1.64 {d6}, [r1], r2
		167	vld1.64 {d7}, [r1], r2
		168	vld1.64 {d8}, [r1], r2
		169	vld1.64 {d9}, [r1], r2
		170	vld1.64 {d10}, [r1], r2
		171	vld1.64 {d11}, [r1], r2
		172	vld1.64 {d12}, [r1], r2
		173	vld1.64 {d13}, [r1], r2
		174	vld1.64 {d14}, [r1]
		175	transpose_8x8 d2, d3, d4, d5, d6, d7, d8, d9
		176	transpose_8x8 d10, d11, d12, d13, d14, d15, d30, d31
		177	qpel_lowpass_x2 d2, d10, d3, d11, d0, d1, 6
		178	qpel_lowpass_x2 d4, d12, d5, d13, d0, d1, 6
		179	qpel_lowpass_x2 d6, d14, d7, d15, d0, d1, 6
		180	qpel_lowpass_x2 d8, d30, d9, d31, d0, d1, 6
		181	transpose_8x8 d2, d3, d4, d5, d6, d7, d8, d9
		182	.ifc \type,avg
		183	vld1.64 d12, [r0,:64], r2
		184	vld1.64 d13, [r0,:64], r2
		185	vld1.64 d14, [r0,:64], r2
		186	vld1.64 d15, [r0,:64], r2
		187	vld1.64 d16, [r0,:64], r2
		188	vld1.64 d17, [r0,:64], r2
		189	vld1.64 d18, [r0,:64], r2
		190	vld1.64 d19, [r0,:64], r2
		191	sub r0, r0, r2, lsl #3
		192	vrhadd.u8 q1, q1, q6
		193	vrhadd.u8 q2, q2, q7
		194	vrhadd.u8 q3, q3, q8
		195	vrhadd.u8 q4, q4, q9
		196	.endif
		197	vst1.64 d2, [r0,:64], r2
		198	vst1.64 d3, [r0,:64], r2
		199	vst1.64 d4, [r0,:64], r2
		200	vst1.64 d5, [r0,:64], r2
		201	vst1.64 d6, [r0,:64], r2
		202	vst1.64 d7, [r0,:64], r2
		203	vst1.64 d8, [r0,:64], r2
		204	vst1.64 d9, [r0,:64], r2
		205	bx lr
		206	endfunc
		207
		208	rv40_qpel8_v 5, \type
		209	rv40_qpel8_v 6, \type
		210
		211	function ff_\type\()_rv40_qpel8_mc10_neon, export=1
		212	sub r1, r1, #2
		213	mov r3, #8
		214	vmov.i8 d0, #52
		215	vmov.i8 d1, #20
		216	b \type\()_rv40_qpel8_h_lowpass_neon
		217	endfunc
		218
		219	function ff_\type\()_rv40_qpel8_mc30_neon, export=1
		220	sub r1, r1, #2
		221	mov r3, #8
		222	vmov.i8 d0, #20
		223	vmov.i8 d1, #52
		224	b \type\()_rv40_qpel8_h_lowpass_neon
		225	endfunc
		226
		227	function ff_\type\()_rv40_qpel8_mc01_neon, export=1
		228	push {r4, lr}
		229	vpush {d8-d15}
		230	sub r1, r1, r2, lsl #1
		231	vmov.i8 d0, #52
		232	vmov.i8 d1, #20
		233	bl \type\()_rv40_qpel8_v_lowpass_neon
		234	vpop {d8-d15}
		235	pop {r4, pc}
		236	endfunc
		237
		238	function ff_\type\()_rv40_qpel8_mc11_neon, export=1
		239	push {r4, lr}
		240	vpush {d8-d15}
		241	sub sp, sp, #14*8
		242	add r12, sp, #7
		243	bic r12, r12, #7
		244	sub r1, r1, r2, lsl #1
		245	sub r1, r1, #2
		246	mov r3, #12
		247	vmov.i8 d0, #52
		248	vmov.i8 d1, #20
		249	bl put_rv40_qpel8_h_lp_packed_s6_neon
		250	add r1, sp, #7
		251	bic r1, r1, #7
		252	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		253	add sp, sp, #14*8
		254	vpop {d8-d15}
		255	pop {r4, pc}
		256	endfunc
		257
		258	function ff_\type\()_rv40_qpel8_mc21_neon, export=1
		259	push {r4, lr}
		260	vpush {d8-d15}
		261	sub sp, sp, #14*8
		262	add r12, sp, #7
		263	bic r12, r12, #7
		264	sub r1, r1, r2, lsl #1
		265	sub r1, r1, #2
		266	mov r3, #12
		267	vmov.i8 d0, #20
		268	vmov.i8 d1, #20
		269	bl put_rv40_qpel8_h_lp_packed_s5_neon
		270	add r1, sp, #7
		271	bic r1, r1, #7
		272	vmov.i8 d0, #52
		273	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		274	add sp, sp, #14*8
		275	vpop {d8-d15}
		276	pop {r4, pc}
		277	endfunc
		278
		279	function ff_\type\()_rv40_qpel8_mc31_neon, export=1
		280	push {r4, lr}
		281	vpush {d8-d15}
		282	sub sp, sp, #14*8
		283	add r12, sp, #7
		284	bic r12, r12, #7
		285	sub r1, r1, r2, lsl #1
		286	sub r1, r1, #2
		287	mov r3, #12
		288	vmov.i8 d0, #20
		289	vmov.i8 d1, #52
		290	bl put_rv40_qpel8_h_lp_packed_s6_neon
		291	add r1, sp, #7
		292	bic r1, r1, #7
		293	vswp d0, d1
		294	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		295	add sp, sp, #14*8
		296	vpop {d8-d15}
		297	pop {r4, pc}
		298	endfunc
		299
		300	function ff_\type\()_rv40_qpel8_mc12_neon, export=1
		301	push {r4, lr}
		302	vpush {d8-d15}
		303	sub sp, sp, #14*8
		304	add r12, sp, #7
		305	bic r12, r12, #7
		306	sub r1, r1, r2, lsl #1
		307	sub r1, r1, #2
		308	mov r3, #12
		309	vmov.i8 d0, #52
		310	vmov.i8 d1, #20
		311	bl put_rv40_qpel8_h_lp_packed_s6_neon
		312	add r1, sp, #7
		313	bic r1, r1, #7
		314	vmov.i8 d0, #20
		315	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		316	add sp, sp, #14*8
		317	vpop {d8-d15}
		318	pop {r4, pc}
		319	endfunc
		320
		321	function ff_\type\()_rv40_qpel8_mc22_neon, export=1
		322	push {r4, lr}
		323	vpush {d8-d15}
		324	sub sp, sp, #14*8
		325	add r12, sp, #7
		326	bic r12, r12, #7
		327	sub r1, r1, r2, lsl #1
		328	sub r1, r1, #2
		329	mov r3, #12
		330	vmov.i8 d0, #20
		331	vmov.i8 d1, #20
		332	bl put_rv40_qpel8_h_lp_packed_s5_neon
		333	add r1, sp, #7
		334	bic r1, r1, #7
		335	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		336	add sp, sp, #14*8
		337	vpop {d8-d15}
		338	pop {r4, pc}
		339	endfunc
		340
		341	function ff_\type\()_rv40_qpel8_mc32_neon, export=1
		342	push {r4, lr}
		343	vpush {d8-d15}
		344	sub sp, sp, #14*8
		345	add r12, sp, #7
		346	bic r12, r12, #7
		347	sub r1, r1, r2, lsl #1
		348	sub r1, r1, #2
		349	mov r3, #12
		350	vmov.i8 d0, #20
		351	vmov.i8 d1, #52
		352	bl put_rv40_qpel8_h_lp_packed_s6_neon
		353	add r1, sp, #7
		354	bic r1, r1, #7
		355	vmov.i8 d1, #20
		356	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		357	add sp, sp, #14*8
		358	vpop {d8-d15}
		359	pop {r4, pc}
		360	endfunc
		361
		362	function ff_\type\()_rv40_qpel8_mc03_neon, export=1
		363	push {r4, lr}
		364	vpush {d8-d15}
		365	sub r1, r1, r2, lsl #1
		366	vmov.i8 d0, #20
		367	vmov.i8 d1, #52
		368	bl \type\()_rv40_qpel8_v_lowpass_neon
		369	vpop {d8-d15}
		370	pop {r4, pc}
		371	endfunc
		372
		373	function ff_\type\()_rv40_qpel8_mc33_neon, export=1
		374	mov r3, #8
		375	b X(ff_\type\()_pixels8_xy2_neon)
		376	endfunc
		377
		378	function ff_\type\()_rv40_qpel8_mc13_neon, export=1
		379	push {r4, lr}
		380	vpush {d8-d15}
		381	sub sp, sp, #14*8
		382	add r12, sp, #7
		383	bic r12, r12, #7
		384	sub r1, r1, r2, lsl #1
		385	sub r1, r1, #2
		386	mov r3, #12
		387	vmov.i8 d0, #52
		388	vmov.i8 d1, #20
		389	bl put_rv40_qpel8_h_lp_packed_s6_neon
		390	add r1, sp, #7
		391	bic r1, r1, #7
		392	vswp d0, d1
		393	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		394	add sp, sp, #14*8
		395	vpop {d8-d15}
		396	pop {r4, pc}
		397	endfunc
		398
		399	function ff_\type\()_rv40_qpel8_mc23_neon, export=1
		400	push {r4, lr}
		401	vpush {d8-d15}
		402	sub sp, sp, #14*8
		403	add r12, sp, #7
		404	bic r12, r12, #7
		405	sub r1, r1, r2, lsl #1
		406	sub r1, r1, #2
		407	mov r3, #12
		408	vmov.i8 d0, #20
		409	vmov.i8 d1, #20
		410	bl put_rv40_qpel8_h_lp_packed_s5_neon
		411	add r1, sp, #7
		412	bic r1, r1, #7
		413	vmov.i8 d1, #52
		414	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		415	add sp, sp, #14*8
		416	vpop {d8-d15}
		417	pop {r4, pc}
		418	endfunc
		419
		420	function ff_\type\()_rv40_qpel16_mc10_neon, export=1
		421	vmov.i8 d0, #52
		422	vmov.i8 d1, #20
		423	.L\type\()_rv40_qpel16_h:
		424	push {r1, lr}
		425	sub r1, r1, #2
		426	mov r3, #16
		427	bl \type\()_rv40_qpel8_h_lowpass_neon
		428	pop {r1, lr}
		429	sub r0, r0, r2, lsl #4
		430	add r0, r0, #8
		431	add r1, r1, #6
		432	mov r3, #16
		433	b \type\()_rv40_qpel8_h_lowpass_neon
		434	endfunc
		435
		436	function ff_\type\()_rv40_qpel16_mc30_neon, export=1
		437	vmov.i8 d0, #20
		438	vmov.i8 d1, #52
		439	b .L\type\()_rv40_qpel16_h
		440	endfunc
		441
		442	function ff_\type\()_rv40_qpel16_mc01_neon, export=1
		443	vmov.i8 d0, #52
		444	vmov.i8 d1, #20
		445	.L\type\()_rv40_qpel16_v:
		446	sub r1, r1, r2, lsl #1
		447	push {r1, lr}
		448	vpush {d8-d15}
		449	bl \type\()_rv40_qpel8_v_lowpass_neon
		450	sub r1, r1, r2, lsl #2
		451	bl \type\()_rv40_qpel8_v_lowpass_neon
		452	ldr r1, [sp, #64]
		453	sub r0, r0, r2, lsl #4
		454	add r0, r0, #8
		455	add r1, r1, #8
		456	bl \type\()_rv40_qpel8_v_lowpass_neon
		457	sub r1, r1, r2, lsl #2
		458	bl \type\()_rv40_qpel8_v_lowpass_neon
		459	vpop {d8-d15}
		460	pop {r1, pc}
		461	endfunc
		462
		463	function ff_\type\()_rv40_qpel16_mc11_neon, export=1
		464	sub r1, r1, r2, lsl #1
		465	sub r1, r1, #2
		466	push {r1, lr}
		467	vpush {d8-d15}
		468	sub sp, sp, #44*8
		469	add r12, sp, #7
		470	bic r12, r12, #7
		471	mov r3, #20
		472	vmov.i8 d0, #52
		473	vmov.i8 d1, #20
		474	bl put_rv40_qpel8_h_lp_packed_s6_neon
		475	ldr r1, [sp, #416]
		476	add r1, r1, #8
		477	mov r3, #20
		478	bl put_rv40_qpel8_h_lp_packed_s6_neon
		479	.L\type\()_rv40_qpel16_v_s6:
		480	add r1, sp, #7
		481	bic r1, r1, #7
		482	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		483	sub r1, r1, #40
		484	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		485	sub r0, r0, r2, lsl #4
		486	add r0, r0, #8
		487	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		488	sub r1, r1, #40
		489	bl \type\()_rv40_qpel8_v_lp_packed_s6_neon
		490	add sp, sp, #44*8
		491	vpop {d8-d15}
		492	pop {r1, pc}
		493	endfunc
		494
		495	function ff_\type\()_rv40_qpel16_mc21_neon, export=1
		496	sub r1, r1, r2, lsl #1
		497	sub r1, r1, #2
		498	push {r1, lr}
		499	vpush {d8-d15}
		500	sub sp, sp, #44*8
		501	add r12, sp, #7
		502	bic r12, r12, #7
		503	mov r3, #20
		504	vmov.i8 d0, #20
		505	vmov.i8 d1, #20
		506	bl put_rv40_qpel8_h_lp_packed_s5_neon
		507	ldr r1, [sp, #416]
		508	add r1, r1, #8
		509	mov r3, #20
		510	bl put_rv40_qpel8_h_lp_packed_s5_neon
		511	vmov.i8 d0, #52
		512	b .L\type\()_rv40_qpel16_v_s6
		513	endfunc
		514
		515	function ff_\type\()_rv40_qpel16_mc31_neon, export=1
		516	sub r1, r1, r2, lsl #1
		517	sub r1, r1, #2
		518	push {r1, lr}
		519	vpush {d8-d15}
		520	sub sp, sp, #44*8
		521	add r12, sp, #7
		522	bic r12, r12, #7
		523	mov r3, #20
		524	vmov.i8 d0, #20
		525	vmov.i8 d1, #52
		526	bl put_rv40_qpel8_h_lp_packed_s6_neon
		527	ldr r1, [sp, #416]
		528	add r1, r1, #8
		529	mov r3, #20
		530	bl put_rv40_qpel8_h_lp_packed_s6_neon
		531	vswp d0, d1
		532	b .L\type\()_rv40_qpel16_v_s6
		533	endfunc
		534
		535	function ff_\type\()_rv40_qpel16_mc12_neon, export=1
		536	sub r1, r1, r2, lsl #1
		537	sub r1, r1, #2
		538	push {r1, lr}
		539	vpush {d8-d15}
		540	sub sp, sp, #44*8
		541	add r12, sp, #7
		542	bic r12, r12, #7
		543	mov r3, #20
		544	vmov.i8 d0, #52
		545	vmov.i8 d1, #20
		546	bl put_rv40_qpel8_h_lp_packed_s6_neon
		547	ldr r1, [sp, #416]
		548	add r1, r1, #8
		549	mov r3, #20
		550	bl put_rv40_qpel8_h_lp_packed_s6_neon
		551	vmov.i8 d0, #20
		552	.L\type\()_rv40_qpel16_v_s5:
		553	add r1, sp, #7
		554	bic r1, r1, #7
		555	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		556	sub r1, r1, #40
		557	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		558	sub r0, r0, r2, lsl #4
		559	add r0, r0, #8
		560	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		561	sub r1, r1, #40
		562	bl \type\()_rv40_qpel8_v_lp_packed_s5_neon
		563	add sp, sp, #44*8
		564	vpop {d8-d15}
		565	pop {r1, pc}
		566	endfunc
		567
		568	function ff_\type\()_rv40_qpel16_mc22_neon, export=1
		569	sub r1, r1, r2, lsl #1
		570	sub r1, r1, #2
		571	push {r1, lr}
		572	vpush {d8-d15}
		573	sub sp, sp, #44*8
		574	add r12, sp, #7
		575	bic r12, r12, #7
		576	mov r3, #20
		577	vmov.i8 d0, #20
		578	vmov.i8 d1, #20
		579	bl put_rv40_qpel8_h_lp_packed_s5_neon
		580	ldr r1, [sp, #416]
		581	add r1, r1, #8
		582	mov r3, #20
		583	bl put_rv40_qpel8_h_lp_packed_s5_neon
		584	b .L\type\()_rv40_qpel16_v_s5
		585	endfunc
		586
		587	function ff_\type\()_rv40_qpel16_mc32_neon, export=1
		588	sub r1, r1, r2, lsl #1
		589	sub r1, r1, #2
		590	push {r1, lr}
		591	vpush {d8-d15}
		592	sub sp, sp, #44*8
		593	add r12, sp, #7
		594	bic r12, r12, #7
		595	mov r3, #20
		596	vmov.i8 d0, #20
		597	vmov.i8 d1, #52
		598	bl put_rv40_qpel8_h_lp_packed_s6_neon
		599	ldr r1, [sp, #416]
		600	add r1, r1, #8
		601	mov r3, #20
		602	bl put_rv40_qpel8_h_lp_packed_s6_neon
		603	vmov.i8 d1, #20
		604	b .L\type\()_rv40_qpel16_v_s5
		605	endfunc
		606
		607	function ff_\type\()_rv40_qpel16_mc03_neon, export=1
		608	vmov.i8 d0, #20
		609	vmov.i8 d1, #52
		610	b .L\type\()_rv40_qpel16_v
		611	endfunc
		612
		613	function ff_\type\()_rv40_qpel16_mc13_neon, export=1
		614	sub r1, r1, r2, lsl #1
		615	sub r1, r1, #2
		616	push {r1, lr}
		617	vpush {d8-d15}
		618	sub sp, sp, #44*8
		619	add r12, sp, #7
		620	bic r12, r12, #7
		621	mov r3, #20
		622	vmov.i8 d0, #52
		623	vmov.i8 d1, #20
		624	bl put_rv40_qpel8_h_lp_packed_s6_neon
		625	ldr r1, [sp, #416]
		626	add r1, r1, #8
		627	mov r3, #20
		628	bl put_rv40_qpel8_h_lp_packed_s6_neon
		629	vswp d0, d1
		630	b .L\type\()_rv40_qpel16_v_s6
		631	endfunc
		632
		633	function ff_\type\()_rv40_qpel16_mc23_neon, export=1
		634	sub r1, r1, r2, lsl #1
		635	sub r1, r1, #2
		636	push {r1, lr}
		637	vpush {d8-d15}
		638	sub sp, sp, #44*8
		639	add r12, sp, #7
		640	bic r12, r12, #7
		641	mov r3, #20
		642	vmov.i8 d0, #20
		643	vmov.i8 d1, #20
		644	bl put_rv40_qpel8_h_lp_packed_s5_neon
		645	ldr r1, [sp, #416]
		646	add r1, r1, #8
		647	mov r3, #20
		648	bl put_rv40_qpel8_h_lp_packed_s5_neon
		649	vmov.i8 d1, #52
		650	b .L\type\()_rv40_qpel16_v_s6
		651	endfunc
		652
		653	function ff_\type\()_rv40_qpel16_mc33_neon, export=1
		654	mov r3, #16
		655	b X(ff_\type\()_pixels16_xy2_neon)
		656	endfunc
		657	.endm
		658
		659	rv40_qpel put
		660	rv40_qpel avg
		661
		662	.macro rv40_weight
		663	vmovl.u8 q8, d2
		664	vmovl.u8 q9, d3
		665	vmovl.u8 q10, d4
		666	vmovl.u8 q11, d5
		667	vmull.u16 q2, d16, d0[2]
		668	vmull.u16 q3, d17, d0[2]
		669	vmull.u16 q8, d18, d0[2]
		670	vmull.u16 q9, d19, d0[2]
		671	vmull.u16 q12, d20, d0[0]
		672	vmull.u16 q13, d21, d0[0]
		673	vmull.u16 q14, d22, d0[0]
		674	vmull.u16 q15, d23, d0[0]
		675	vshrn.i32 d4, q2, #9
		676	vshrn.i32 d5, q3, #9
		677	vshrn.i32 d6, q8, #9
		678	vshrn.i32 d7, q9, #9
		679	vshrn.i32 d16, q12, #9
		680	vshrn.i32 d17, q13, #9
		681	vshrn.i32 d18, q14, #9
		682	vshrn.i32 d19, q15, #9
		683	vadd.u16 q2, q2, q8
		684	vadd.u16 q3, q3, q9
		685	vrshrn.i16 d2, q2, #5
		686	vrshrn.i16 d3, q3, #5
		687	.endm
		688
		689	/* void ff_rv40_weight_func_16_neon(uint8_t dst, uint8_t src1, uint8_t *src2,
		690	int w1, int w2, int stride) */
		691	function ff_rv40_weight_func_16_neon, export=1
		692	ldr r12, [sp]
		693	vmov d0, r3, r12
		694	ldr r12, [sp, #4]
		695	mov r3, #16
		696	1:
		697	vld1.8 {q1}, [r1,:128], r12
		698	vld1.8 {q2}, [r2,:128], r12
		699	rv40_weight
		700	vst1.8 {q1}, [r0,:128], r12
		701	subs r3, r3, #1
		702	bne 1b
		703	bx lr
		704	endfunc
		705
		706	/* void ff_rv40_weight_func_8_neon(uint8_t dst, uint8_t src1, uint8_t *src2,
		707	int w1, int w2, int stride) */
		708	function ff_rv40_weight_func_8_neon, export=1
		709	ldr r12, [sp]
		710	vmov d0, r3, r12
		711	ldr r12, [sp, #4]
		712	mov r3, #8
		713	1:
		714	vld1.8 {d2}, [r1,:64], r12
		715	vld1.8 {d3}, [r1,:64], r12
		716	vld1.8 {d4}, [r2,:64], r12
		717	vld1.8 {d5}, [r2,:64], r12
		718	rv40_weight
		719	vst1.8 {d2}, [r0,:64], r12
		720	vst1.8 {d3}, [r0,:64], r12
		721	subs r3, r3, #2
		722	bne 1b
		723	bx lr
		724	endfunc
		725
		726	function ff_rv40_h_loop_filter_strength_neon, export=1
		727	pkhbt r2, r3, r2, lsl #18
		728
		729	ldr r3, [r0]
		730	ldr_dpre r12, r0, r1
		731	teq r3, r12
		732	beq 1f
		733
		734	sub r0, r0, r1, lsl #1
		735
		736	vld1.32 {d4[]}, [r0,:32], r1 @ -3
		737	vld1.32 {d0[]}, [r0,:32], r1 @ -2
		738	vld1.32 {d4[1]}, [r0,:32], r1 @ -1
		739	vld1.32 {d5[]}, [r0,:32], r1 @ 0
		740	vld1.32 {d1[]}, [r0,:32], r1 @ 1
		741	vld1.32 {d5[0]}, [r0,:32], r1 @ 2
		742
		743	vpaddl.u8 q8, q0 @ -2, -2, -2, -2, 1, 1, 1, 1
		744	vpaddl.u8 q9, q2 @ -3, -3, -1, -1, 2, 2, 0, 0
		745	vdup.32 d30, r2 @ beta2, beta << 2
		746	vpadd.u16 d16, d16, d17 @ -2, -2, 1, 1
		747	vpadd.u16 d18, d18, d19 @ -3, -1, 2, 0
		748	vabd.u16 d16, d18, d16
		749	vclt.u16 d16, d16, d30
		750
		751	ldrd r2, r3, [sp, #4]
		752	vmovl.u16 q12, d16
		753	vtrn.16 d16, d17
		754	vshr.u32 q12, q12, #15
		755	ldr r0, [sp]
		756	vst1.32 {d24[1]}, [r2,:32]
		757	vst1.32 {d25[1]}, [r3,:32]
		758
		759	cmp r0, #0
		760	it eq
		761	bxeq lr
		762
		763	vand d18, d16, d17
		764	vtrn.32 d18, d19
		765	vand d18, d18, d19
		766	vmov.u16 r0, d18[0]
		767	bx lr
		768	1:
		769	ldrd r2, r3, [sp, #4]
		770	mov r0, #0
		771	str r0, [r2]
		772	str r0, [r3]
		773	bx lr
		774	endfunc
		775
		776	function ff_rv40_v_loop_filter_strength_neon, export=1
		777	sub r0, r0, #3
		778	pkhbt r2, r3, r2, lsl #18
		779
		780	vld1.8 {d0}, [r0], r1
		781	vld1.8 {d1}, [r0], r1
		782	vld1.8 {d2}, [r0], r1
		783	vld1.8 {d3}, [r0], r1
		784
		785	vaddl.u8 q0, d0, d1
		786	vaddl.u8 q1, d2, d3
		787	vdup.32 q15, r2
		788	vadd.u16 q0, q0, q1 @ -3, -2, -1, 0, 1, 2
		789	vext.16 q1, q0, q0, #1 @ -2, -1, 0, 1, 2
		790	vabd.u16 q0, q1, q0
		791	vclt.u16 q0, q0, q15
		792
		793	ldrd r2, r3, [sp, #4]
		794	vmovl.u16 q1, d0
		795	vext.16 d1, d0, d1, #3
		796	vshr.u32 q1, q1, #15
		797	ldr r0, [sp]
		798	vst1.32 {d2[1]}, [r2,:32]
		799	vst1.32 {d3[1]}, [r3,:32]
		800
		801	cmp r0, #0
		802	it eq
		803	bxeq lr
		804
		805	vand d0, d0, d1
		806	vtrn.16 d0, d1
		807	vand d0, d0, d1
		808	vmov.u16 r0, d0[0]
		809	bx lr
		810	endfunc
		811
		812	.macro rv40_weak_loop_filter
		813	vdup.16 d30, r2 @ filter_p1
		814	vdup.16 d31, r3 @ filter_q1
		815	ldrd r2, r3, [sp]
		816	vdup.16 d28, r2 @ alpha
		817	vdup.16 d29, r3 @ beta
		818	ldr r12, [sp, #8]
		819	vdup.16 d25, r12 @ lim_p0q0
		820	ldrd r2, r3, [sp, #12]
		821	vsubl.u8 q9, d5, d4 @ x, t
		822	vabdl.u8 q8, d5, d4 @ x, abs(t)
		823	vneg.s16 q15, q15
		824	vceq.i16 d16, d19, #0 @ !t
		825	vshl.s16 d19, d19, #2 @ t << 2
		826	vmul.u16 d18, d17, d28 @ alpha * abs(t)
		827	vand d24, d30, d31 @ filter_p1 & filter_q1
		828	vsubl.u8 q1, d0, d4 @ p1p2, p1p0
		829	vsubl.u8 q3, d1, d5 @ q1q2, q1q0
		830	vmov.i16 d22, #3
		831	vshr.u16 d18, d18, #7
		832	vadd.i16 d22, d22, d24 @ 3 - (filter_p1 & filter_q1)
		833	vsubl.u8 q10, d0, d1 @ src[-2] - src[1]
		834	vcle.u16 d18, d18, d22
		835	vand d20, d20, d24
		836	vneg.s16 d23, d25 @ -lim_p0q0
		837	vadd.s16 d19, d19, d20
		838	vbic d16, d18, d16 @ t && u <= 3 - (fp1 & fq1)
		839	vtrn.32 d4, d5 @ -3, 2, -1, 0
		840	vrshr.s16 d19, d19, #3
		841	vmov d28, d29 @ beta
		842	vswp d3, d6 @ q1q2, p1p0
		843	vmin.s16 d19, d19, d25
		844	vand d30, d30, d16
		845	vand d31, d31, d16
		846	vadd.s16 q10, q1, q3 @ p1p2 + p1p0, q1q2 + q1q0
		847	vmax.s16 d19, d19, d23 @ diff
		848	vabs.s16 q1, q1 @ abs(p1p2), abs(q1q2)
		849	vand d18, d19, d16 @ diff
		850	vcle.u16 q1, q1, q14
		851	vneg.s16 d19, d18 @ -diff
		852	vdup.16 d26, r3 @ lim_p1
		853	vaddw.u8 q2, q9, d5 @ src[-1]+diff, src[0]-diff
		854	vhsub.s16 q11, q10, q9
		855	vand q1, q1, q15
		856	vqmovun.s16 d4, q2 @ -1, 0
		857	vand q9, q11, q1
		858	vdup.16 d27, r2 @ lim_q1
		859	vneg.s16 q9, q9
		860	vneg.s16 q14, q13
		861	vmin.s16 q9, q9, q13
		862	vtrn.32 d0, d1 @ -2, 1, -2, 1
		863	vmax.s16 q9, q9, q14
		864	vaddw.u8 q3, q9, d0
		865	vqmovun.s16 d5, q3 @ -2, 1
		866	.endm
		867
		868	function ff_rv40_h_weak_loop_filter_neon, export=1
		869	sub r0, r0, r1, lsl #1
		870	sub r0, r0, r1
		871
		872	vld1.32 {d4[]}, [r0,:32], r1
		873	vld1.32 {d0[]}, [r0,:32], r1
		874	vld1.32 {d4[1]}, [r0,:32], r1
		875	vld1.32 {d5[]}, [r0,:32], r1
		876	vld1.32 {d1[]}, [r0,:32], r1
		877	vld1.32 {d5[0]}, [r0,:32]
		878
		879	sub r0, r0, r1, lsl #2
		880
		881	rv40_weak_loop_filter
		882
		883	vst1.32 {d5[0]}, [r0,:32], r1
		884	vst1.32 {d4[0]}, [r0,:32], r1
		885	vst1.32 {d4[1]}, [r0,:32], r1
		886	vst1.32 {d5[1]}, [r0,:32], r1
		887
		888	bx lr
		889	endfunc
		890
		891	function ff_rv40_v_weak_loop_filter_neon, export=1
		892	sub r12, r0, #3
		893	sub r0, r0, #2
		894
		895	vld1.8 {d4}, [r12], r1
		896	vld1.8 {d5}, [r12], r1
		897	vld1.8 {d2}, [r12], r1
		898	vld1.8 {d3}, [r12], r1
		899
		900	vtrn.16 q2, q1
		901	vtrn.8 d4, d5
		902	vtrn.8 d2, d3
		903
		904	vrev64.32 d5, d5
		905	vtrn.32 q2, q1
		906	vdup.32 d0, d3[0]
		907	vdup.32 d1, d2[0]
		908
		909	rv40_weak_loop_filter
		910
		911	vtrn.32 q2, q3
		912	vswp d4, d5
		913
		914	vst4.8 {d4[0],d5[0],d6[0],d7[0]}, [r0], r1
		915	vst4.8 {d4[1],d5[1],d6[1],d7[1]}, [r0], r1
		916	vst4.8 {d4[2],d5[2],d6[2],d7[2]}, [r0], r1
		917	vst4.8 {d4[3],d5[3],d6[3],d7[3]}, [r0], r1
		918
		919	bx lr
		920	endfunc

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(root)/contrib/sdk/sources/ffmpeg/libavcodec/arm/rv40dsp_neon.S – Rev 5362