| /* | |
| * 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 |