2 @ ARMv4 optimized DSP utils
3 @ Copyright (c) 2004 AGAWA Koji <i (AT) atty (DOT) jp>
5 @ This file is part of FFmpeg.
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.
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.
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
33 function ff_prefetch_arm, export=1
42 .macro ALIGN_QWORD_D shift, Rd0, Rd1, Rd2, Rd3, Rn0, Rn1, Rn2, Rn3, Rn4
43 mov \Rd0, \Rn0, lsr #(\shift * 8)
44 mov \Rd1, \Rn1, lsr #(\shift * 8)
45 mov \Rd2, \Rn2, lsr #(\shift * 8)
46 mov \Rd3, \Rn3, lsr #(\shift * 8)
47 orr \Rd0, \Rd0, \Rn1, lsl #(32 - \shift * 8)
48 orr \Rd1, \Rd1, \Rn2, lsl #(32 - \shift * 8)
49 orr \Rd2, \Rd2, \Rn3, lsl #(32 - \shift * 8)
50 orr \Rd3, \Rd3, \Rn4, lsl #(32 - \shift * 8)
52 .macro ALIGN_DWORD shift, R0, R1, R2
53 mov \R0, \R0, lsr #(\shift * 8)
54 orr \R0, \R0, \R1, lsl #(32 - \shift * 8)
55 mov \R1, \R1, lsr #(\shift * 8)
56 orr \R1, \R1, \R2, lsl #(32 - \shift * 8)
58 .macro ALIGN_DWORD_D shift, Rdst0, Rdst1, Rsrc0, Rsrc1, Rsrc2
59 mov \Rdst0, \Rsrc0, lsr #(\shift * 8)
60 mov \Rdst1, \Rsrc1, lsr #(\shift * 8)
61 orr \Rdst0, \Rdst0, \Rsrc1, lsl #(32 - (\shift * 8))
62 orr \Rdst1, \Rdst1, \Rsrc2, lsl #(32 - (\shift * 8))
65 .macro RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
66 @ Rd = (Rn | Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
73 and \Rd0, \Rd0, \Rmask
74 and \Rd1, \Rd1, \Rmask
75 sub \Rd0, \Rn0, \Rd0, lsr #1
76 sub \Rd1, \Rn1, \Rd1, lsr #1
79 .macro NO_RND_AVG32 Rd0, Rd1, Rn0, Rn1, Rm0, Rm1, Rmask
80 @ Rd = (Rn & Rm) - (((Rn ^ Rm) & ~0x01010101) >> 1)
87 and \Rd0, \Rd0, \Rmask
88 and \Rd1, \Rd1, \Rmask
89 add \Rd0, \Rn0, \Rd0, lsr #1
90 add \Rd1, \Rn1, \Rd1, lsr #1
93 .macro JMP_ALIGN tmp, reg
104 @ ----------------------------------------------------------------
106 function ff_put_pixels16_arm, export=1
107 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
108 @ block = word aligned, pixles = unaligned
125 ALIGN_QWORD_D 1, r9, r10, r11, r12, r4, r5, r6, r7, r8
136 ALIGN_QWORD_D 2, r9, r10, r11, r12, r4, r5, r6, r7, r8
147 ALIGN_QWORD_D 3, r9, r10, r11, r12, r4, r5, r6, r7, r8
156 @ ----------------------------------------------------------------
158 function ff_put_pixels8_arm, export=1
159 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
160 @ block = word aligned, pixles = unaligned
177 ALIGN_DWORD 1, r4, r5, r12
188 ALIGN_DWORD 2, r4, r5, r12
199 ALIGN_DWORD 3, r4, r5, r12
208 @ ----------------------------------------------------------------
210 function ff_put_pixels8_x2_arm, export=1
211 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
212 @ block = word aligned, pixles = unaligned
220 ALIGN_DWORD_D 1, r6, r7, r4, r5, r10
222 RND_AVG32 r8, r9, r4, r5, r6, r7, r12
232 ALIGN_DWORD_D 1, r6, r7, r4, r5, r10
233 ALIGN_DWORD_D 2, r8, r9, r4, r5, r10
235 RND_AVG32 r4, r5, r6, r7, r8, r9, r12
245 ALIGN_DWORD_D 2, r6, r7, r4, r5, r10
246 ALIGN_DWORD_D 3, r8, r9, r4, r5, r10
248 RND_AVG32 r4, r5, r6, r7, r8, r9, r12
258 ALIGN_DWORD_D 3, r6, r7, r4, r5, r10
260 RND_AVG32 r8, r9, r6, r7, r5, r10, r12
269 function ff_put_no_rnd_pixels8_x2_arm, export=1
270 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
271 @ block = word aligned, pixles = unaligned
279 ALIGN_DWORD_D 1, r6, r7, r4, r5, r10
281 NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
291 ALIGN_DWORD_D 1, r6, r7, r4, r5, r10
292 ALIGN_DWORD_D 2, r8, r9, r4, r5, r10
294 NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
304 ALIGN_DWORD_D 2, r6, r7, r4, r5, r10
305 ALIGN_DWORD_D 3, r8, r9, r4, r5, r10
307 NO_RND_AVG32 r4, r5, r6, r7, r8, r9, r12
317 ALIGN_DWORD_D 3, r6, r7, r4, r5, r10
319 NO_RND_AVG32 r8, r9, r6, r7, r5, r10, r12
328 @ ----------------------------------------------------------------
330 function ff_put_pixels8_y2_arm, export=1
331 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
332 @ block = word aligned, pixles = unaligned
344 RND_AVG32 r8, r9, r4, r5, r6, r7, r12
350 RND_AVG32 r8, r9, r6, r7, r4, r5, r12
361 ALIGN_DWORD 1, r4, r5, r6
365 ALIGN_DWORD 1, r7, r8, r9
366 RND_AVG32 r10, r11, r4, r5, r7, r8, r12
372 ALIGN_DWORD 1, r4, r5, r6
374 RND_AVG32 r10, r11, r7, r8, r4, r5, r12
384 ALIGN_DWORD 2, r4, r5, r6
388 ALIGN_DWORD 2, r7, r8, r9
389 RND_AVG32 r10, r11, r4, r5, r7, r8, r12
395 ALIGN_DWORD 2, r4, r5, r6
397 RND_AVG32 r10, r11, r7, r8, r4, r5, r12
407 ALIGN_DWORD 3, r4, r5, r6
411 ALIGN_DWORD 3, r7, r8, r9
412 RND_AVG32 r10, r11, r4, r5, r7, r8, r12
418 ALIGN_DWORD 3, r4, r5, r6
420 RND_AVG32 r10, r11, r7, r8, r4, r5, r12
428 function ff_put_no_rnd_pixels8_y2_arm, export=1
429 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
430 @ block = word aligned, pixles = unaligned
442 NO_RND_AVG32 r8, r9, r4, r5, r6, r7, r12
448 NO_RND_AVG32 r8, r9, r6, r7, r4, r5, r12
459 ALIGN_DWORD 1, r4, r5, r6
463 ALIGN_DWORD 1, r7, r8, r9
464 NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
470 ALIGN_DWORD 1, r4, r5, r6
472 NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
482 ALIGN_DWORD 2, r4, r5, r6
486 ALIGN_DWORD 2, r7, r8, r9
487 NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
493 ALIGN_DWORD 2, r4, r5, r6
495 NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
505 ALIGN_DWORD 3, r4, r5, r6
509 ALIGN_DWORD 3, r7, r8, r9
510 NO_RND_AVG32 r10, r11, r4, r5, r7, r8, r12
516 ALIGN_DWORD 3, r4, r5, r6
518 NO_RND_AVG32 r10, r11, r7, r8, r4, r5, r12
527 @ ----------------------------------------------------------------
528 .macro RND_XY2_IT align, rnd
529 @ l1= (a & 0x03030303) + (b & 0x03030303) ?(+ 0x02020202)
530 @ h1= ((a & 0xFCFCFCFCUL) >> 2) + ((b & 0xFCFCFCFCUL) >> 2)
541 ALIGN_DWORD_D 1, r4, r5, r6, r7, r8
543 ALIGN_DWORD_D 1, r4, r5, r8, r9, r10
544 ALIGN_DWORD_D 2, r6, r7, r8, r9, r10
546 ALIGN_DWORD_D 2, r4, r5, r8, r9, r10
547 ALIGN_DWORD_D 3, r6, r7, r8, r9, r10
549 ALIGN_DWORD_D 3, r4, r5, r5, r6, r7
557 andeq r14, r14, r14, \rnd #1
560 ldr r12, =0xfcfcfcfc >> 2
563 and r4, r12, r4, lsr #2
564 and r5, r12, r5, lsr #2
565 and r6, r12, r6, lsr #2
566 and r7, r12, r7, lsr #2
572 .macro RND_XY2_EXPAND align, rnd
573 RND_XY2_IT \align, \rnd
575 RND_XY2_IT \align, \rnd
582 and r4, r14, r4, lsr #2
583 and r5, r14, r5, lsr #2
593 function ff_put_pixels8_xy2_arm, export=1
594 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
595 @ block = word aligned, pixles = unaligned
597 push {r4-r11,lr} @ R14 is also called LR
599 1: RND_XY2_EXPAND 0, lsl
601 2: RND_XY2_EXPAND 1, lsl
603 3: RND_XY2_EXPAND 2, lsl
605 4: RND_XY2_EXPAND 3, lsl
609 function ff_put_no_rnd_pixels8_xy2_arm, export=1
610 @ void func(uint8_t *block, const uint8_t *pixels, int line_size, int h)
611 @ block = word aligned, pixles = unaligned
615 1: RND_XY2_EXPAND 0, lsr
617 2: RND_XY2_EXPAND 1, lsr
619 3: RND_XY2_EXPAND 2, lsr
621 4: RND_XY2_EXPAND 3, lsr
625 @ void ff_add_pixels_clamped_arm(int16_t *block, uint8_t *dest, int stride)
626 function ff_add_pixels_clamped_arm, export=1
630 ldr r4, [r1] /* load dest */
631 /* block[0] and block[1]*/
637 add r8, r7, r8, lsr #8
641 movne r6, r5, lsr #24
643 movne r8, r7, lsr #24
645 ldrsh r5, [r0, #4] /* moved form [A] */
646 orr r9, r9, r8, lsl #8
647 /* block[2] and block[3] */
650 and r6, r4, #0xFF0000
651 and r8, r4, #0xFF000000
652 add r6, r5, r6, lsr #16
653 add r8, r7, r8, lsr #24
657 movne r6, r5, lsr #24
659 movne r8, r7, lsr #24
660 orr r9, r9, r6, lsl #16
661 ldr r4, [r1, #4] /* moved form [B] */
662 orr r9, r9, r8, lsl #24
664 ldrsh r5, [r0, #8] /* moved form [C] */
669 /* block[4] and block[5] */
675 add r8, r7, r8, lsr #8
679 movne r6, r5, lsr #24
681 movne r8, r7, lsr #24
683 ldrsh r5, [r0, #12] /* moved from [D] */
684 orr r9, r9, r8, lsl #8
685 /* block[6] and block[7] */
688 and r6, r4, #0xFF0000
689 and r8, r4, #0xFF000000
690 add r6, r5, r6, lsr #16
691 add r8, r7, r8, lsr #24
695 movne r6, r5, lsr #24
697 movne r8, r7, lsr #24
698 orr r9, r9, r6, lsl #16
699 add r0, r0, #16 /* moved from [E] */
700 orr r9, r9, r8, lsl #24
701 subs r10, r10, #1 /* moved from [F] */