[deb_ffmpeg.git] / ffmpeg / libavcodec / arm / me_cmp_armv6.S

/*
 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/arm/asm.S"

function ff_pix_abs16_armv6, export=1
        ldr             r0,  [sp]
        push            {r4-r9, lr}
        mov             r12, #0
        mov             lr,  #0
        ldm             r1,  {r4-r7}
        ldr             r8,  [r2]
1:
        ldr             r9,  [r2, #4]
        pld             [r1, r3]
        usada8          r12, r4,  r8,  r12
        ldr             r8,  [r2, #8]
        pld             [r2, r3]
        usada8          lr,  r5,  r9,  lr
        ldr             r9,  [r2, #12]
        usada8          r12, r6,  r8,  r12
        subs            r0,  r0,  #1
        usada8          lr,  r7,  r9,  lr
        beq             2f
        add             r1,  r1,  r3
        ldm             r1,  {r4-r7}
        add             r2,  r2,  r3
        ldr             r8,  [r2]
        b               1b
2:
        add             r0,  r12, lr
        pop             {r4-r9, pc}
endfunc

function ff_pix_abs16_x2_armv6, export=1
        ldr             r12, [sp]
        push            {r4-r11, lr}
        mov             r0,  #0
        mov             lr,  #1
        orr             lr,  lr,  lr,  lsl #8
        orr             lr,  lr,  lr,  lsl #16
1:
        ldr             r8,  [r2]
        ldr             r9,  [r2, #4]
        lsr             r10, r8,  #8
        ldr             r4,  [r1]
        lsr             r6,  r9,  #8
        orr             r10, r10, r9,  lsl #24
        ldr             r5,  [r2, #8]
        eor             r11, r8,  r10
        uhadd8          r7,  r8,  r10
        orr             r6,  r6,  r5,  lsl #24
        and             r11, r11, lr
        uadd8           r7,  r7,  r11
        ldr             r8,  [r1, #4]
        usada8          r0,  r4,  r7,  r0
        eor             r7,  r9,  r6
        lsr             r10, r5,  #8
        and             r7,  r7,  lr
        uhadd8          r4,  r9,  r6
        ldr             r6,  [r2, #12]
        uadd8           r4,  r4,  r7
        pld             [r1, r3]
        orr             r10, r10, r6,  lsl #24
        usada8          r0,  r8,  r4,  r0
        ldr             r4,  [r1, #8]
        eor             r11, r5,  r10
        ldrb            r7,  [r2, #16]
        and             r11, r11, lr
        uhadd8          r8,  r5,  r10
        ldr             r5,  [r1, #12]
        uadd8           r8,  r8,  r11
        pld             [r2, r3]
        lsr             r10, r6,  #8
        usada8          r0,  r4,  r8,  r0
        orr             r10, r10, r7,  lsl #24
        subs            r12,  r12,  #1
        eor             r11, r6,  r10
        add             r1,  r1,  r3
        uhadd8          r9,  r6,  r10
        and             r11, r11, lr
        uadd8           r9,  r9,  r11
        add             r2,  r2,  r3
        usada8          r0,  r5,  r9,  r0
        bgt             1b

        pop             {r4-r11, pc}
endfunc

.macro  usad_y2         p0,  p1,  p2,  p3,  n0,  n1,  n2,  n3
        ldr             \n0, [r2]
        eor             \n1, \p0, \n0
        uhadd8          \p0, \p0, \n0
        and             \n1, \n1, lr
        ldr             \n2, [r1]
        uadd8           \p0, \p0, \n1
        ldr             \n1, [r2, #4]
        usada8          r0,  \p0, \n2, r0
        pld             [r1,  r3]
        eor             \n3, \p1, \n1
        uhadd8          \p1, \p1, \n1
        and             \n3, \n3, lr
        ldr             \p0, [r1, #4]
        uadd8           \p1, \p1, \n3
        ldr             \n2, [r2, #8]
        usada8          r0,  \p1, \p0, r0
        pld             [r2,  r3]
        eor             \p0, \p2, \n2
        uhadd8          \p2, \p2, \n2
        and             \p0, \p0, lr
        ldr             \p1, [r1, #8]
        uadd8           \p2, \p2, \p0
        ldr             \n3, [r2, #12]
        usada8          r0,  \p2, \p1, r0
        eor             \p1, \p3, \n3
        uhadd8          \p3, \p3, \n3
        and             \p1, \p1, lr
        ldr             \p0,  [r1, #12]
        uadd8           \p3, \p3, \p1
        add             r1,  r1,  r3
        usada8          r0,  \p3, \p0,  r0
        add             r2,  r2,  r3
.endm

function ff_pix_abs16_y2_armv6, export=1
        pld             [r1]
        pld             [r2]
        ldr             r12, [sp]
        push            {r4-r11, lr}
        mov             r0,  #0
        mov             lr,  #1
        orr             lr,  lr,  lr,  lsl #8
        orr             lr,  lr,  lr,  lsl #16
        ldr             r4,  [r2]
        ldr             r5,  [r2, #4]
        ldr             r6,  [r2, #8]
        ldr             r7,  [r2, #12]
        add             r2,  r2,  r3
1:
        usad_y2         r4,  r5,  r6,  r7,  r8,  r9,  r10, r11
        subs            r12, r12, #2
        usad_y2         r8,  r9,  r10, r11, r4,  r5,  r6,  r7
        bgt             1b

        pop             {r4-r11, pc}
endfunc

function ff_pix_abs8_armv6, export=1
        pld             [r2, r3]
        ldr             r12, [sp]
        push            {r4-r9, lr}
        mov             r0,  #0
        mov             lr,  #0
        ldrd_post       r4,  r5,  r1,  r3
1:
        subs            r12, r12, #2
        ldr             r7,  [r2, #4]
        ldr_post        r6,  r2,  r3
        ldrd_post       r8,  r9,  r1,  r3
        usada8          r0,  r4,  r6,  r0
        pld             [r2, r3]
        usada8          lr,  r5,  r7,  lr
        ldr             r7,  [r2, #4]
        ldr_post        r6,  r2,  r3
        beq             2f
        ldrd_post       r4,  r5,  r1,  r3
        usada8          r0,  r8,  r6,  r0
        pld             [r2, r3]
        usada8          lr,  r9,  r7,  lr
        b               1b
2:
        usada8          r0,  r8,  r6,  r0
        usada8          lr,  r9,  r7,  lr
        add             r0,  r0,  lr
        pop             {r4-r9, pc}
endfunc

function ff_sse16_armv6, export=1
        ldr             r12, [sp]
        push            {r4-r9, lr}
        mov             r0,  #0
1:
        ldrd            r4,  r5,  [r1]
        ldr             r8,  [r2]
        uxtb16          lr,  r4
        uxtb16          r4,  r4,  ror #8
        uxtb16          r9,  r8
        uxtb16          r8,  r8,  ror #8
        ldr             r7,  [r2, #4]
        usub16          lr,  lr,  r9
        usub16          r4,  r4,  r8
        smlad           r0,  lr,  lr,  r0
        uxtb16          r6,  r5
        uxtb16          lr,  r5,  ror #8
        uxtb16          r8,  r7
        uxtb16          r9,  r7,  ror #8
        smlad           r0,  r4,  r4,  r0
        ldrd            r4,  r5,  [r1, #8]
        usub16          r6,  r6,  r8
        usub16          r8,  lr,  r9
        ldr             r7,  [r2, #8]
        smlad           r0,  r6,  r6,  r0
        uxtb16          lr,  r4
        uxtb16          r4,  r4,  ror #8
        uxtb16          r9,  r7
        uxtb16          r7,  r7, ror #8
        smlad           r0,  r8,  r8,  r0
        ldr             r8,  [r2, #12]
        usub16          lr,  lr,  r9
        usub16          r4,  r4,  r7
        smlad           r0,  lr,  lr,  r0
        uxtb16          r6,  r5
        uxtb16          r5,  r5,  ror #8
        uxtb16          r9,  r8
        uxtb16          r8,  r8,  ror #8
        smlad           r0,  r4,  r4,  r0
        usub16          r6,  r6,  r9
        usub16          r5,  r5,  r8
        smlad           r0,  r6,  r6,  r0
        add             r1,  r1,  r3
        add             r2,  r2,  r3
        subs            r12, r12, #1
        smlad           r0,  r5,  r5,  r0
        bgt             1b

        pop             {r4-r9, pc}
endfunc
Commit	Line	Data
2ba45a60 DM	1	/*
	2	* Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
	3	*
	4	* This file is part of FFmpeg.
	5	*
	6	* FFmpeg is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU Lesser General Public
	8	* License as published by the Free Software Foundation; either
	9	* version 2.1 of the License, or (at your option) any later version.
	10	*
	11	* FFmpeg is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* Lesser General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU Lesser General Public
	17	* License along with FFmpeg; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#include "libavutil/arm/asm.S"
	22
	23	function ff_pix_abs16_armv6, export=1
	24	ldr r0, [sp]
	25	push {r4-r9, lr}
	26	mov r12, #0
	27	mov lr, #0
	28	ldm r1, {r4-r7}
	29	ldr r8, [r2]
	30	1:
	31	ldr r9, [r2, #4]
	32	pld [r1, r3]
	33	usada8 r12, r4, r8, r12
	34	ldr r8, [r2, #8]
	35	pld [r2, r3]
	36	usada8 lr, r5, r9, lr
	37	ldr r9, [r2, #12]
	38	usada8 r12, r6, r8, r12
	39	subs r0, r0, #1
	40	usada8 lr, r7, r9, lr
	41	beq 2f
	42	add r1, r1, r3
	43	ldm r1, {r4-r7}
	44	add r2, r2, r3
	45	ldr r8, [r2]
	46	b 1b
	47	2:
	48	add r0, r12, lr
	49	pop {r4-r9, pc}
	50	endfunc
	51
	52	function ff_pix_abs16_x2_armv6, export=1
	53	ldr r12, [sp]
	54	push {r4-r11, lr}
	55	mov r0, #0
	56	mov lr, #1
	57	orr lr, lr, lr, lsl #8
	58	orr lr, lr, lr, lsl #16
	59	1:
	60	ldr r8, [r2]
	61	ldr r9, [r2, #4]
	62	lsr r10, r8, #8
	63	ldr r4, [r1]
	64	lsr r6, r9, #8
65	orr r10, r10, r9, lsl #24
66	ldr r5, [r2, #8]
67	eor r11, r8, r10
68	uhadd8 r7, r8, r10
69	orr r6, r6, r5, lsl #24
70	and r11, r11, lr
71	uadd8 r7, r7, r11
72	ldr r8, [r1, #4]
73	usada8 r0, r4, r7, r0
74	eor r7, r9, r6
75	lsr r10, r5, #8
76	and r7, r7, lr
77	uhadd8 r4, r9, r6
78	ldr r6, [r2, #12]
79	uadd8 r4, r4, r7
80	pld [r1, r3]
81	orr r10, r10, r6, lsl #24
82	usada8 r0, r8, r4, r0
83	ldr r4, [r1, #8]
84	eor r11, r5, r10
85	ldrb r7, [r2, #16]
86	and r11, r11, lr
87	uhadd8 r8, r5, r10
88	ldr r5, [r1, #12]
89	uadd8 r8, r8, r11
90	pld [r2, r3]
91	lsr r10, r6, #8
92	usada8 r0, r4, r8, r0
93	orr r10, r10, r7, lsl #24
94	subs r12, r12, #1
95	eor r11, r6, r10
96	add r1, r1, r3
97	uhadd8 r9, r6, r10
98	and r11, r11, lr
99	uadd8 r9, r9, r11
100	add r2, r2, r3
101	usada8 r0, r5, r9, r0
102	bgt 1b
103
104	pop {r4-r11, pc}
105	endfunc
106
107	.macro usad_y2 p0, p1, p2, p3, n0, n1, n2, n3
108	ldr \n0, [r2]
109	eor \n1, \p0, \n0
110	uhadd8 \p0, \p0, \n0
111	and \n1, \n1, lr
112	ldr \n2, [r1]
113	uadd8 \p0, \p0, \n1
114	ldr \n1, [r2, #4]
115	usada8 r0, \p0, \n2, r0
116	pld [r1, r3]
117	eor \n3, \p1, \n1
118	uhadd8 \p1, \p1, \n1
119	and \n3, \n3, lr
120	ldr \p0, [r1, #4]
121	uadd8 \p1, \p1, \n3
122	ldr \n2, [r2, #8]
123	usada8 r0, \p1, \p0, r0
124	pld [r2, r3]
125	eor \p0, \p2, \n2
126	uhadd8 \p2, \p2, \n2
127	and \p0, \p0, lr
128	ldr \p1, [r1, #8]
129	uadd8 \p2, \p2, \p0
130	ldr \n3, [r2, #12]
131	usada8 r0, \p2, \p1, r0
132	eor \p1, \p3, \n3
133	uhadd8 \p3, \p3, \n3
134	and \p1, \p1, lr
135	ldr \p0, [r1, #12]
136	uadd8 \p3, \p3, \p1
137	add r1, r1, r3
138	usada8 r0, \p3, \p0, r0
139	add r2, r2, r3
140	.endm
141
142	function ff_pix_abs16_y2_armv6, export=1
143	pld [r1]
144	pld [r2]
145	ldr r12, [sp]
146	push {r4-r11, lr}
147	mov r0, #0
148	mov lr, #1
149	orr lr, lr, lr, lsl #8
150	orr lr, lr, lr, lsl #16
151	ldr r4, [r2]
152	ldr r5, [r2, #4]
153	ldr r6, [r2, #8]
154	ldr r7, [r2, #12]
155	add r2, r2, r3
156	1:
157	usad_y2 r4, r5, r6, r7, r8, r9, r10, r11
158	subs r12, r12, #2
159	usad_y2 r8, r9, r10, r11, r4, r5, r6, r7
160	bgt 1b
161
162	pop {r4-r11, pc}
163	endfunc
164
165	function ff_pix_abs8_armv6, export=1
166	pld [r2, r3]
167	ldr r12, [sp]
168	push {r4-r9, lr}
169	mov r0, #0
170	mov lr, #0
171	ldrd_post r4, r5, r1, r3
172	1:
173	subs r12, r12, #2
174	ldr r7, [r2, #4]
175	ldr_post r6, r2, r3
176	ldrd_post r8, r9, r1, r3
177	usada8 r0, r4, r6, r0
178	pld [r2, r3]
179	usada8 lr, r5, r7, lr
180	ldr r7, [r2, #4]
181	ldr_post r6, r2, r3
182	beq 2f
183	ldrd_post r4, r5, r1, r3
184	usada8 r0, r8, r6, r0
185	pld [r2, r3]
186	usada8 lr, r9, r7, lr
187	b 1b
188	2:
189	usada8 r0, r8, r6, r0
190	usada8 lr, r9, r7, lr
191	add r0, r0, lr
192	pop {r4-r9, pc}
193	endfunc
194
195	function ff_sse16_armv6, export=1
196	ldr r12, [sp]
197	push {r4-r9, lr}
198	mov r0, #0
199	1:
200	ldrd r4, r5, [r1]
201	ldr r8, [r2]
202	uxtb16 lr, r4
203	uxtb16 r4, r4, ror #8
204	uxtb16 r9, r8
205	uxtb16 r8, r8, ror #8
206	ldr r7, [r2, #4]
207	usub16 lr, lr, r9
208	usub16 r4, r4, r8
209	smlad r0, lr, lr, r0
210	uxtb16 r6, r5
211	uxtb16 lr, r5, ror #8
212	uxtb16 r8, r7
213	uxtb16 r9, r7, ror #8
214	smlad r0, r4, r4, r0
215	ldrd r4, r5, [r1, #8]
216	usub16 r6, r6, r8
217	usub16 r8, lr, r9
218	ldr r7, [r2, #8]
219	smlad r0, r6, r6, r0
220	uxtb16 lr, r4
221	uxtb16 r4, r4, ror #8
222	uxtb16 r9, r7
223	uxtb16 r7, r7, ror #8
224	smlad r0, r8, r8, r0
225	ldr r8, [r2, #12]
226	usub16 lr, lr, r9
227	usub16 r4, r4, r7
228	smlad r0, lr, lr, r0
229	uxtb16 r6, r5
230	uxtb16 r5, r5, ror #8
231	uxtb16 r9, r8
232	uxtb16 r8, r8, ror #8
233	smlad r0, r4, r4, r0
234	usub16 r6, r6, r9
235	usub16 r5, r5, r8
236	smlad r0, r6, r6, r0
237	add r1, r1, r3
238	add r2, r2, r3
239	subs r12, r12, #1
240	smlad r0, r5, r5, r0
241	bgt 1b
242
243	pop {r4-r9, pc}
244	endfunc