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- /*****************************************************************************
- * mc.S: arm motion compensation
- *****************************************************************************
- * Copyright (C) 2009-2018 x264 project
- *
- * Authors: David Conrad <lessen42@gmail.com>
- * Mans Rullgard <mans@mansr.com>
- * Stefan Groenroos <stefan.gronroos@gmail.com>
- * Janne Grunau <janne-x264@jannau.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
- *
- * This program is also available under a commercial proprietary license.
- * For more information, contact us at licensing@x264.com.
- *****************************************************************************/
- #include "asm.S"
- const pw_0to15, align=4
- .short 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
- endconst
- .text
- // note: prefetch stuff assumes 64-byte cacheline, true for the Cortex-A8
- // They also use nothing above armv5te, but we don't care about pre-armv6
- // void prefetch_ref( uint8_t *pix, intptr_t stride, int parity )
- function prefetch_ref_arm
- sub r2, r2, #1
- add r0, r0, #64
- and r2, r2, r1
- add r0, r0, r2, lsl #3
- add r2, r1, r1, lsl #1
- pld [r0]
- pld [r0, r1]
- pld [r0, r1, lsl #1]
- add r3, r0, r1, lsl #2
- pld [r0, r2]
- pld [r3]
- pld [r3, r1]
- pld [r3, r1, lsl #1]
- pld [r3, r2]
- bx lr
- endfunc
- // void prefetch_fenc( uint8_t *pix_y, intptr_t stride_y,
- // uint8_t *pix_uv, intptr_t stride_uv, int mb_x )
- function prefetch_fenc_arm
- ldr ip, [sp]
- push {lr}
- and lr, ip, #3
- smulbb lr, lr, r1 // note: this assumes stride_y is <= 16 bits signed
- and ip, ip, #6
- smulbb ip, ip, r3
- add r0, r0, #64
- add r2, r2, #64
- add r0, r0, lr, lsl #2
- pld [r0]
- add lr, r0, r1, lsl #1
- pld [r0, r1]
- pld [lr]
- add r2, r2, ip, lsl #2
- pld [lr, r1]
- pld [r2]
- add ip, r2, r3, lsl #1
- pld [r2, r3]
- pld [ip]
- pld [ip, r3]
- pop {pc}
- endfunc
- // void *memcpy_aligned( void *dst, const void *src, size_t n )
- function memcpy_aligned_neon
- orr r3, r0, r1, lsr #1
- movrel ip, memcpy_table
- and r3, r3, #0xc
- ldr pc, [ip, r3]
- endfunc
- .macro MEMCPY_ALIGNED srcalign dstalign
- function memcpy_aligned_\dstalign\()_\srcalign\()_neon, export=0
- mov r3, r0
- .if \srcalign == 8 && \dstalign == 8
- sub r2, #16
- vld1.64 {d0}, [r1,:64]!
- vst1.64 {d0}, [r3,:64]!
- .set r1align, 128
- .set r3align, 128
- .else
- .set r1align, \srcalign * 8
- .set r3align, \dstalign * 8
- .endif
- tst r2, #16
- beq 32f
- sub r2, #16
- vld1.64 {d0-d1}, [r1,:r1align]!
- vst1.64 {d0-d1}, [r3,:r3align]!
- 32: // n is a multiple of 32
- tst r2, #32
- beq 640f
- sub r2, #32
- vld1.64 {d0-d3}, [r1,:r1align]!
- vst1.64 {d0-d3}, [r3,:r3align]!
- 640: // n is a multiple of 64
- cmp r2, #0
- beq 1f
- 64:
- subs r2, #64
- vld1.64 {d0-d3}, [r1,:r1align]!
- vld1.64 {d4-d7}, [r1,:r1align]!
- vst1.64 {d0-d3}, [r3,:r3align]!
- vst1.64 {d4-d7}, [r3,:r3align]!
- bgt 64b
- 1: // end
- .if \srcalign == 8 && \dstalign == 8
- vld1.64 {d0}, [r1,:64]!
- vst1.64 {d0}, [r3,:64]!
- .endif
- bx lr
- endfunc
- .endm
- MEMCPY_ALIGNED 16, 16
- MEMCPY_ALIGNED 16, 8
- MEMCPY_ALIGNED 8, 16
- MEMCPY_ALIGNED 8, 8
- const memcpy_table, align=2, relocate=1
- .word memcpy_aligned_16_16_neon
- .word memcpy_aligned_16_8_neon
- .word memcpy_aligned_8_16_neon
- .word memcpy_aligned_8_8_neon
- endconst
- .text
- .ltorg
- // void memzero_aligned( void *dst, size_t n )
- function memzero_aligned_neon
- vmov.i8 q0, #0
- vmov.i8 q1, #0
- memzero_loop:
- subs r1, #128
- .rept 4
- vst1.64 {d0-d3}, [r0,:128]!
- .endr
- bgt memzero_loop
- bx lr
- endfunc
- // void pixel_avg( uint8_t *dst, intptr_t dst_stride,
- // uint8_t *src1, intptr_t src1_stride,
- // uint8_t *src2, intptr_t src2_stride, int weight );
- .macro AVGH w h
- function pixel_avg_\w\()x\h\()_neon
- ldr ip, [sp, #8]
- push {r4-r6,lr}
- cmp ip, #32
- ldrd r4, r5, [sp, #16]
- mov lr, #\h
- beq pixel_avg_w\w\()_neon
- rsbs r6, ip, #64
- blt pixel_avg_weight_w\w\()_add_sub_neon // weight > 64
- cmp ip, #0
- bge pixel_avg_weight_w\w\()_add_add_neon
- b pixel_avg_weight_w\w\()_sub_add_neon // weight < 0
- endfunc
- .endm
- AVGH 4, 2
- AVGH 4, 4
- AVGH 4, 8
- AVGH 4, 16
- AVGH 8, 4
- AVGH 8, 8
- AVGH 8, 16
- AVGH 16, 8
- AVGH 16, 16
- // 0 < weight < 64
- .macro load_weights_add_add
- vdup.8 d30, ip
- vdup.8 d31, r6
- .endm
- .macro load_add_add d1 d2
- vld1.32 {\d1}, [r2], r3
- vld1.32 {\d2}, [r4], r5
- .endm
- .macro weight_add_add dst s1 s2
- vmull.u8 \dst, \s1, d30
- vmlal.u8 \dst, \s2, d31
- .endm
- // weight > 64
- .macro load_weights_add_sub
- rsb r6, #0
- vdup.8 d30, ip
- vdup.8 d31, r6
- .endm
- .macro load_add_sub d1 d2
- vld1.32 {\d1}, [r2], r3
- vld1.32 {\d2}, [r4], r5
- .endm
- .macro weight_add_sub dst s1 s2
- vmull.u8 \dst, \s1, d30
- vmlsl.u8 \dst, \s2, d31
- .endm
- // weight < 0
- .macro load_weights_sub_add
- rsb ip, #0
- vdup.8 d31, r6
- vdup.8 d30, ip
- .endm
- .macro load_sub_add d1 d2
- vld1.32 {\d2}, [r4], r5
- vld1.32 {\d1}, [r2], r3
- .endm
- .macro weight_sub_add dst s1 s2
- vmull.u8 \dst, \s2, d31
- vmlsl.u8 \dst, \s1, d30
- .endm
- .macro AVG_WEIGHT ext
- function pixel_avg_weight_w4_\ext\()_neon, export=0
- load_weights_\ext
- 1: // height loop
- subs lr, lr, #2
- load_\ext d0[], d1[]
- weight_\ext q8, d0, d1
- load_\ext d2[], d3[]
- vqrshrun.s16 d0, q8, #6
- weight_\ext q9, d2, d3
- vst1.32 {d0[0]}, [r0,:32], r1
- vqrshrun.s16 d1, q9, #6
- vst1.32 {d1[0]}, [r0,:32], r1
- bgt 1b
- pop {r4-r6,pc}
- endfunc
- function pixel_avg_weight_w8_\ext\()_neon, export=0
- load_weights_\ext
- 1: // height loop
- subs lr, lr, #4
- load_\ext d0, d1
- weight_\ext q8, d0, d1
- load_\ext d2, d3
- weight_\ext q9, d2, d3
- load_\ext d4, d5
- weight_\ext q10, d4, d5
- load_\ext d6, d7
- weight_\ext q11, d6, d7
- vqrshrun.s16 d0, q8, #6
- vqrshrun.s16 d1, q9, #6
- vqrshrun.s16 d2, q10, #6
- vqrshrun.s16 d3, q11, #6
- vst1.64 {d0}, [r0,:64], r1
- vst1.64 {d1}, [r0,:64], r1
- vst1.64 {d2}, [r0,:64], r1
- vst1.64 {d3}, [r0,:64], r1
- bgt 1b
- pop {r4-r6,pc}
- endfunc
- function pixel_avg_weight_w16_\ext\()_neon, export=0
- load_weights_\ext
- 1: // height loop
- subs lr, lr, #2
- load_\ext d0-d1, d2-d3
- weight_\ext q8, d0, d2
- weight_\ext q9, d1, d3
- load_\ext d4-d5, d6-d7
- weight_\ext q10, d4, d6
- weight_\ext q11, d5, d7
- vqrshrun.s16 d0, q8, #6
- vqrshrun.s16 d1, q9, #6
- vqrshrun.s16 d2, q10, #6
- vqrshrun.s16 d3, q11, #6
- vst1.64 {d0-d1}, [r0,:128], r1
- vst1.64 {d2-d3}, [r0,:128], r1
- bgt 1b
- pop {r4-r6,pc}
- endfunc
- .endm
- AVG_WEIGHT add_add
- AVG_WEIGHT add_sub
- AVG_WEIGHT sub_add
- function pixel_avg_w4_neon, export=0
- subs lr, lr, #2
- vld1.32 {d0[]}, [r2], r3
- vld1.32 {d2[]}, [r4], r5
- vrhadd.u8 d0, d0, d2
- vld1.32 {d1[]}, [r2], r3
- vld1.32 {d3[]}, [r4], r5
- vrhadd.u8 d1, d1, d3
- vst1.32 {d0[0]}, [r0,:32], r1
- vst1.32 {d1[0]}, [r0,:32], r1
- bgt pixel_avg_w4_neon
- pop {r4-r6,pc}
- endfunc
- function pixel_avg_w8_neon, export=0
- subs lr, lr, #4
- vld1.64 {d0}, [r2], r3
- vld1.64 {d2}, [r4], r5
- vrhadd.u8 d0, d0, d2
- vld1.64 {d1}, [r2], r3
- vld1.64 {d3}, [r4], r5
- vrhadd.u8 d1, d1, d3
- vst1.64 {d0}, [r0,:64], r1
- vld1.64 {d2}, [r2], r3
- vld1.64 {d4}, [r4], r5
- vrhadd.u8 d2, d2, d4
- vst1.64 {d1}, [r0,:64], r1
- vld1.64 {d3}, [r2], r3
- vld1.64 {d5}, [r4], r5
- vrhadd.u8 d3, d3, d5
- vst1.64 {d2}, [r0,:64], r1
- vst1.64 {d3}, [r0,:64], r1
- bgt pixel_avg_w8_neon
- pop {r4-r6,pc}
- endfunc
- function pixel_avg_w16_neon, export=0
- subs lr, lr, #4
- vld1.64 {d0-d1}, [r2], r3
- vld1.64 {d2-d3}, [r4], r5
- vrhadd.u8 q0, q0, q1
- vld1.64 {d2-d3}, [r2], r3
- vld1.64 {d4-d5}, [r4], r5
- vrhadd.u8 q1, q1, q2
- vst1.64 {d0-d1}, [r0,:128], r1
- vld1.64 {d4-d5}, [r2], r3
- vld1.64 {d6-d7}, [r4], r5
- vrhadd.u8 q2, q2, q3
- vst1.64 {d2-d3}, [r0,:128], r1
- vld1.64 {d6-d7}, [r2], r3
- vld1.64 {d0-d1}, [r4], r5
- vrhadd.u8 q3, q3, q0
- vst1.64 {d4-d5}, [r0,:128], r1
- vst1.64 {d6-d7}, [r0,:128], r1
- bgt pixel_avg_w16_neon
- pop {r4-r6,pc}
- endfunc
- function pixel_avg2_w4_neon
- ldr ip, [sp, #4]
- push {lr}
- ldr lr, [sp, #4]
- avg2_w4_loop:
- subs ip, ip, #2
- vld1.32 {d0[]}, [r2], r3
- vld1.32 {d2[]}, [lr], r3
- vrhadd.u8 d0, d0, d2
- vld1.32 {d1[]}, [r2], r3
- vld1.32 {d3[]}, [lr], r3
- vrhadd.u8 d1, d1, d3
- vst1.32 {d0[0]}, [r0,:32], r1
- vst1.32 {d1[0]}, [r0,:32], r1
- bgt avg2_w4_loop
- pop {pc}
- endfunc
- function pixel_avg2_w8_neon
- ldr ip, [sp, #4]
- push {lr}
- ldr lr, [sp, #4]
- avg2_w8_loop:
- subs ip, ip, #2
- vld1.64 {d0}, [r2], r3
- vld1.64 {d2}, [lr], r3
- vrhadd.u8 d0, d0, d2
- vld1.64 {d1}, [r2], r3
- vld1.64 {d3}, [lr], r3
- vrhadd.u8 d1, d1, d3
- vst1.64 {d0}, [r0,:64], r1
- vst1.64 {d1}, [r0,:64], r1
- bgt avg2_w8_loop
- pop {pc}
- endfunc
- function pixel_avg2_w16_neon
- ldr ip, [sp, #4]
- push {lr}
- ldr lr, [sp, #4]
- avg2_w16_loop:
- subs ip, ip, #2
- vld1.64 {d0-d1}, [r2], r3
- vld1.64 {d2-d3}, [lr], r3
- vrhadd.u8 q0, q0, q1
- vld1.64 {d4-d5}, [r2], r3
- vld1.64 {d6-d7}, [lr], r3
- vrhadd.u8 q2, q2, q3
- vst1.64 {d0-d1}, [r0,:128], r1
- vst1.64 {d4-d5}, [r0,:128], r1
- bgt avg2_w16_loop
- pop {pc}
- endfunc
- function pixel_avg2_w20_neon
- ldr ip, [sp, #4]
- push {lr}
- sub r1, r1, #16
- ldr lr, [sp, #4]
- avg2_w20_loop:
- subs ip, ip, #2
- vld1.64 {d0-d2}, [r2], r3
- vld1.64 {d4-d6}, [lr], r3
- vrhadd.u8 q0, q0, q2
- vrhadd.u8 d2, d2, d6
- vld1.64 {d4-d6}, [r2], r3
- vld1.64 {d16-d18},[lr], r3
- vrhadd.u8 q2, q2, q8
- vst1.64 {d0-d1}, [r0,:128]!
- vrhadd.u8 d6, d6, d18
- vst1.32 {d2[0]}, [r0,:32], r1
- vst1.64 {d4-d5}, [r0,:128]!
- vst1.32 {d6[0]}, [r0,:32], r1
- bgt avg2_w20_loop
- pop {pc}
- endfunc
- .macro weight_prologue type
- push {r4-r5,lr}
- ldr r4, [sp, #4*3] // weight_t
- ldr ip, [sp, #4*3+4] // h
- .ifc \type, full
- ldr lr, [r4, #32] // denom
- .endif
- ldrd r4, r5, [r4, #32+4] // scale, offset
- vdup.8 d0, r4
- vdup.16 q1, r5
- .ifc \type, full
- rsb lr, lr, #0
- vdup.16 q2, lr
- .endif
- .endm
- // void mc_weight( uint8_t *src, intptr_t src_stride, uint8_t *dst, intptr_t dst_stride,
- // const x264_weight_t *weight, int height )
- function mc_weight_w20_neon
- weight_prologue full
- sub r1, #16
- weight20_loop:
- subs ip, #2
- vld1.8 {d17-d19}, [r2], r3
- vmull.u8 q10, d17, d0
- vmull.u8 q11, d18, d0
- vld1.8 {d16-d18}, [r2], r3
- vmull.u8 q12, d16, d0
- vmull.u8 q13, d17, d0
- vtrn.32 d19, d18
- vmull.u8 q14, d19, d0
- vrshl.s16 q10, q10, q2
- vrshl.s16 q11, q11, q2
- vrshl.s16 q12, q12, q2
- vrshl.s16 q13, q13, q2
- vrshl.s16 q14, q14, q2
- vadd.s16 q10, q10, q1
- vadd.s16 q11, q11, q1
- vadd.s16 q12, q12, q1
- vadd.s16 q13, q13, q1
- vadd.s16 q14, q14, q1
- vqmovun.s16 d16, q10
- vqmovun.s16 d17, q11
- vqmovun.s16 d18, q12
- vqmovun.s16 d19, q13
- vqmovun.s16 d20, q14
- vst1.8 {d16-d17}, [r0,:128]!
- vst1.32 {d20[0]}, [r0,:32], r1
- vst1.8 {d18-d19}, [r0,:128]!
- vst1.32 {d20[1]}, [r0,:32], r1
- bgt weight20_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w16_neon
- weight_prologue full
- weight16_loop:
- subs ip, #2
- vld1.8 {d16-d17}, [r2], r3
- vld1.8 {d18-d19}, [r2], r3
- vmull.u8 q10, d16, d0
- vmull.u8 q11, d17, d0
- vmull.u8 q12, d18, d0
- vmull.u8 q13, d19, d0
- vrshl.s16 q10, q10, q2
- vrshl.s16 q11, q11, q2
- vrshl.s16 q12, q12, q2
- vrshl.s16 q13, q13, q2
- vadd.s16 q10, q10, q1
- vadd.s16 q11, q11, q1
- vadd.s16 q12, q12, q1
- vadd.s16 q13, q13, q1
- vqmovun.s16 d16, q10
- vqmovun.s16 d17, q11
- vqmovun.s16 d18, q12
- vqmovun.s16 d19, q13
- vst1.8 {d16-d17}, [r0,:128], r1
- vst1.8 {d18-d19}, [r0,:128], r1
- bgt weight16_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w8_neon
- weight_prologue full
- weight8_loop:
- subs ip, #2
- vld1.8 {d16}, [r2], r3
- vld1.8 {d18}, [r2], r3
- vmull.u8 q8, d16, d0
- vmull.u8 q9, d18, d0
- vrshl.s16 q8, q8, q2
- vrshl.s16 q9, q9, q2
- vadd.s16 q8, q8, q1
- vadd.s16 q9, q9, q1
- vqmovun.s16 d16, q8
- vqmovun.s16 d18, q9
- vst1.8 {d16}, [r0,:64], r1
- vst1.8 {d18}, [r0,:64], r1
- bgt weight8_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w4_neon
- weight_prologue full
- weight4_loop:
- subs ip, #2
- vld1.32 {d16[0]}, [r2], r3
- vld1.32 {d16[1]}, [r2], r3
- vmull.u8 q8, d16, d0
- vrshl.s16 q8, q8, q2
- vadd.s16 q8, q8, q1
- vqmovun.s16 d16, q8
- vst1.32 {d16[0]}, [r0], r1
- vst1.32 {d16[1]}, [r0], r1
- bgt weight4_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w20_nodenom_neon
- weight_prologue nodenom
- sub r1, #16
- weight20_nodenom_loop:
- subs ip, #2
- vld1.8 {d26-d28}, [r2], r3
- vmov q8, q1
- vmov q9, q1
- vld1.8 {d29-d31}, [r2], r3
- vmov q10, q1
- vmov q11, q1
- vmov q12, q1
- vtrn.32 d28, d31
- vmlal.u8 q8, d26, d0
- vmlal.u8 q9, d27, d0
- vmlal.u8 q10, d29, d0
- vmlal.u8 q11, d30, d0
- vmlal.u8 q12, d28, d0
- vqmovun.s16 d16, q8
- vqmovun.s16 d17, q9
- vqmovun.s16 d18, q10
- vqmovun.s16 d19, q11
- vqmovun.s16 d20, q12
- vst1.8 {d16-d17}, [r0,:128]!
- vst1.32 {d20[0]}, [r0,:32], r1
- vst1.8 {d18-d19}, [r0,:128]!
- vst1.32 {d20[1]}, [r0,:32], r1
- bgt weight20_nodenom_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w16_nodenom_neon
- weight_prologue nodenom
- weight16_nodenom_loop:
- subs ip, #2
- vld1.8 {d16-d17}, [r2], r3
- vld1.8 {d18-d19}, [r2], r3
- vmov q12, q1
- vmov q13, q1
- vmov q14, q1
- vmov q15, q1
- vmlal.u8 q12, d16, d0
- vmlal.u8 q13, d17, d0
- vmlal.u8 q14, d18, d0
- vmlal.u8 q15, d19, d0
- vqmovun.s16 d16, q12
- vqmovun.s16 d17, q13
- vqmovun.s16 d18, q14
- vqmovun.s16 d19, q15
- vst1.8 {d16-d17}, [r0,:128], r1
- vst1.8 {d18-d19}, [r0,:128], r1
- bgt weight16_nodenom_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w8_nodenom_neon
- weight_prologue nodenom
- weight8_nodenom_loop:
- subs ip, #2
- vld1.8 {d16}, [r2], r3
- vld1.8 {d18}, [r2], r3
- vmov q10, q1
- vmov q11, q1
- vmlal.u8 q10, d16, d0
- vmlal.u8 q11, d18, d0
- vqmovun.s16 d16, q10
- vqmovun.s16 d17, q11
- vst1.8 {d16}, [r0,:64], r1
- vst1.8 {d17}, [r0,:64], r1
- bgt weight8_nodenom_loop
- pop {r4-r5,pc}
- endfunc
- function mc_weight_w4_nodenom_neon
- weight_prologue nodenom
- weight4_nodenom_loop:
- subs ip, #2
- vld1.32 {d16[0]}, [r2], r3
- vld1.32 {d16[1]}, [r2], r3
- vmov q10, q1
- vmlal.u8 q10, d16, d0
- vqmovun.s16 d16, q10
- vst1.32 {d16[0]}, [r0], r1
- vst1.32 {d16[1]}, [r0], r1
- bgt weight4_nodenom_loop
- pop {r4-r5,pc}
- endfunc
- .macro weight_simple_prologue
- push {lr}
- ldr lr, [sp, #4] // weight_t
- ldr ip, [sp, #8] // h
- ldr lr, [lr] // offset
- vdup.8 q1, lr
- .endm
- .macro weight_simple name op
- function mc_weight_w20_\name\()_neon
- weight_simple_prologue
- weight20_\name\()_loop:
- subs ip, #2
- vld1.8 {d16-d18}, [r2], r3
- vld1.8 {d19-d21}, [r2], r3
- \op q8, q8, q1
- \op q9, q9, q1
- \op q10, q10, q1
- vst1.8 {d16-d18}, [r0,:64], r1
- vst1.8 {d19-d21}, [r0,:64], r1
- bgt weight20_\name\()_loop
- pop {pc}
- endfunc
- function mc_weight_w16_\name\()_neon
- weight_simple_prologue
- weight16_\name\()_loop:
- subs ip, #2
- vld1.8 {d16-d17}, [r2], r3
- vld1.8 {d18-d19}, [r2], r3
- \op q8, q8, q1
- \op q9, q9, q1
- vst1.8 {d16-d17}, [r0,:128], r1
- vst1.8 {d18-d19}, [r0,:128], r1
- bgt weight16_\name\()_loop
- pop {pc}
- endfunc
- function mc_weight_w8_\name\()_neon
- weight_simple_prologue
- weight8_\name\()_loop:
- subs ip, #2
- vld1.8 {d16}, [r2], r3
- vld1.8 {d17}, [r2], r3
- \op q8, q8, q1
- vst1.8 {d16}, [r0,:64], r1
- vst1.8 {d17}, [r0,:64], r1
- bgt weight8_\name\()_loop
- pop {pc}
- endfunc
- function mc_weight_w4_\name\()_neon
- weight_simple_prologue
- weight4_\name\()_loop:
- subs ip, #2
- vld1.32 {d16[]}, [r2], r3
- vld1.32 {d17[]}, [r2], r3
- \op q8, q8, q1
- vst1.32 {d16[0]}, [r0], r1
- vst1.32 {d17[0]}, [r0], r1
- bgt weight4_\name\()_loop
- pop {pc}
- endfunc
- .endm
- weight_simple offsetadd, vqadd.u8
- weight_simple offsetsub, vqsub.u8
- // void mc_copy( uint8_t *dst, intptr_t dst_stride, uint8_t *src, intptr_t src_stride, int height )
- function mc_copy_w4_neon
- ldr ip, [sp]
- copy_w4_loop:
- subs ip, ip, #4
- vld1.32 {d0[]}, [r2], r3
- vld1.32 {d1[]}, [r2], r3
- vld1.32 {d2[]}, [r2], r3
- vld1.32 {d3[]}, [r2], r3
- vst1.32 {d0[0]}, [r0,:32], r1
- vst1.32 {d1[0]}, [r0,:32], r1
- vst1.32 {d2[0]}, [r0,:32], r1
- vst1.32 {d3[0]}, [r0,:32], r1
- bgt copy_w4_loop
- bx lr
- endfunc
- function mc_copy_w8_neon
- ldr ip, [sp]
- copy_w8_loop:
- subs ip, ip, #4
- vld1.32 {d0}, [r2], r3
- vld1.32 {d1}, [r2], r3
- vld1.32 {d2}, [r2], r3
- vld1.32 {d3}, [r2], r3
- vst1.32 {d0}, [r0,:64], r1
- vst1.32 {d1}, [r0,:64], r1
- vst1.32 {d2}, [r0,:64], r1
- vst1.32 {d3}, [r0,:64], r1
- bgt copy_w8_loop
- bx lr
- endfunc
- function mc_copy_w16_neon
- ldr ip, [sp]
- copy_w16_loop:
- subs ip, ip, #4
- vld1.32 {d0-d1}, [r2], r3
- vld1.32 {d2-d3}, [r2], r3
- vld1.32 {d4-d5}, [r2], r3
- vld1.32 {d6-d7}, [r2], r3
- vst1.32 {d0-d1}, [r0,:128], r1
- vst1.32 {d2-d3}, [r0,:128], r1
- vst1.32 {d4-d5}, [r0,:128], r1
- vst1.32 {d6-d7}, [r0,:128], r1
- bgt copy_w16_loop
- bx lr
- endfunc
- function mc_copy_w16_aligned_neon
- ldr ip, [sp]
- copy_w16_aligned_loop:
- subs ip, ip, #4
- vld1.32 {d0-d1}, [r2,:128], r3
- vld1.32 {d2-d3}, [r2,:128], r3
- vld1.32 {d4-d5}, [r2,:128], r3
- vld1.32 {d6-d7}, [r2,:128], r3
- vst1.32 {d0-d1}, [r0,:128], r1
- vst1.32 {d2-d3}, [r0,:128], r1
- vst1.32 {d4-d5}, [r0,:128], r1
- vst1.32 {d6-d7}, [r0,:128], r1
- bgt copy_w16_aligned_loop
- bx lr
- endfunc
- // void mc_chroma( uint8_t *dst, intptr_t i_dst_stride,
- // uint8_t *src, intptr_t i_src_stride,
- // int dx, int dy, int i_width, int i_height );
- function mc_chroma_neon
- push {r4-r8, lr}
- vpush {d8-d11}
- ldrd r4, r5, [sp, #56]
- ldrd r6, r7, [sp, #64]
- asr lr, r6, #3
- mul lr, r4, lr
- add r3, r3, r5, asr #2
- cmp r7, #4
- and r5, r5, #7
- and r6, r6, #7
- add r3, r3, lr
- bic r3, r3, #0x1
- pld [r3]
- pld [r3, r4]
- bgt mc_chroma_w8
- beq mc_chroma_w4
- .macro CHROMA_MC_START r00, r01, r10, r11
- muls lr, r5, r6
- rsb r7, lr, r6, lsl #3
- rsb ip, lr, r5, lsl #3
- sub r5, lr, r5, lsl #3
- sub r5, r5, r6, lsl #3
- add r5, r5, #64
- beq 2f
- vld2.8 {\r00-\r01}, [r3], r4
- vdup.8 d0, r5
- vdup.8 d1, ip
- vdup.8 d2, r7
- vld2.8 {\r10-\r11}, [r3], r4
- vdup.8 d3, lr
- ldr r5, [sp, #72]
- .endm
- .macro CHROMA_MC width, align
- mc_chroma_w\width:
- CHROMA_MC_START d4, d5, d8, d9
- vext.8 d6, d4, d6, #1
- vext.8 d7, d5, d7, #1
- vext.8 d10, d8, d10, #1
- vext.8 d11, d9, d11, #1
- // since the element size varies, there's a different index for the 2nd store
- .if \width == 4
- .set st2, 1
- .else
- .set st2, 2
- .endif
- vtrn.32 d4, d6
- vtrn.32 d5, d7
- vtrn.32 d8, d10
- vtrn.32 d9, d11
- vtrn.32 d0, d1
- vtrn.32 d2, d3
- 1: // height loop, interpolate xy
- vmull.u8 q8, d4, d0
- vmlal.u8 q8, d8, d2
- vmull.u8 q9, d5, d0
- vmlal.u8 q9, d9, d2
- vld2.8 {d4-d5}, [r3], r4
- vext.8 d6, d4, d6, #1
- vext.8 d7, d5, d7, #1
- vadd.i16 d16, d16, d17
- vadd.i16 d17, d18, d19
- vtrn.32 d4, d6
- vtrn.32 d5, d7
- vmull.u8 q10, d8, d0
- vmlal.u8 q10, d4, d2
- vmull.u8 q11, d9, d0
- vmlal.u8 q11, d5, d2
- vld2.8 {d8-d9}, [r3], r4
- vrshrn.u16 d16, q8, #6
- vext.8 d10, d8, d10, #1
- vext.8 d11, d9, d11, #1
- vadd.i16 d18, d20, d21
- vadd.i16 d19, d22, d23
- vtrn.32 d8, d10
- vtrn.32 d9, d11
- vrshrn.u16 d18, q9, #6
- subs r5, r5, #2
- pld [r3]
- pld [r3, r4]
- vst1.\align {d16[0]}, [r0,:\align], r2
- vst1.\align {d16[st2]}, [r1,:\align], r2
- vst1.\align {d18[0]}, [r0,:\align], r2
- vst1.\align {d18[st2]}, [r1,:\align], r2
- bgt 1b
- vpop {d8-d11}
- pop {r4-r8, pc}
- 2: // dx or dy are 0
- tst r7, r7
- add ip, ip, r7
- vdup.8 d0, r5
- ldr r5, [sp, #72]
- vdup.8 d1, ip
- beq 4f
- vld1.64 {d4}, [r3], r4
- vld1.64 {d6}, [r3], r4
- 3: // vertical interpolation loop
- vmull.u8 q8, d4, d0
- vmlal.u8 q8, d6, d1
- vmull.u8 q9, d6, d0
- vld1.64 {d4}, [r3], r4
- vmlal.u8 q9, d4, d1
- vld1.64 {d6}, [r3], r4
- vrshrn.u16 d16, q8, #6 // uvuvuvuv
- vrshrn.u16 d17, q9, #6 // uvuvuvuv
- subs r5, r5, #2
- vuzp.8 d16, d17 // d16=uuuu|uuuu, d17=vvvv|vvvv
- pld [r3]
- pld [r3, r4]
- vst1.\align {d16[0]}, [r0,:\align], r2
- vst1.\align {d16[st2]}, [r0,:\align], r2
- vst1.\align {d17[0]}, [r1,:\align], r2
- vst1.\align {d17[st2]}, [r1,:\align], r2
- bgt 3b
- vpop {d8-d11}
- pop {r4-r8, pc}
- 4: // dy is 0
- vld1.64 {d4-d5}, [r3], r4
- vld1.64 {d6-d7}, [r3], r4
- vext.8 d5, d4, d5, #2
- vext.8 d7, d6, d7, #2
- 5: // horizontal interpolation loop
- vmull.u8 q8, d4, d0
- vmlal.u8 q8, d5, d1
- vmull.u8 q9, d6, d0
- vmlal.u8 q9, d7, d1
- subs r5, r5, #2
- vld1.64 {d4-d5}, [r3], r4
- vld1.64 {d6-d7}, [r3], r4
- vext.8 d5, d4, d5, #2
- vrshrn.u16 d16, q8, #6
- vrshrn.u16 d17, q9, #6
- vext.8 d7, d6, d7, #2
- vuzp.8 d16, d17
- pld [r3]
- pld [r3, r4]
- vst1.\align {d16[0]}, [r0,:\align], r2
- vst1.\align {d16[st2]}, [r0,:\align], r2
- vst1.\align {d17[0]}, [r1,:\align], r2
- vst1.\align {d17[st2]}, [r1,:\align], r2
- bgt 5b
- vpop {d8-d11}
- pop {r4-r8, pc}
- .endm
- CHROMA_MC 2, 16
- CHROMA_MC 4, 32
- mc_chroma_w8:
- CHROMA_MC_START d4, d7, d8, d11
- vext.8 d5, d4, d5, #1
- vext.8 d9, d8, d9, #1
- vext.8 d7, d6, d7, #1
- vext.8 d11, d10, d11, #1
- 1: // height loop, interpolate xy
- vmull.u8 q8, d4, d0
- vmlal.u8 q8, d5, d1
- vmlal.u8 q8, d8, d2
- vmlal.u8 q8, d9, d3
- vmull.u8 q9, d6, d0
- vmlal.u8 q9, d7, d1
- vmlal.u8 q9, d10, d2
- vmlal.u8 q9, d11, d3
- vld2.8 {d4-d7}, [r3], r4
- vext.8 d5, d4, d5, #1
- vext.8 d7, d6, d7, #1
- vmull.u8 q10, d8, d0
- vmlal.u8 q10, d9, d1
- vmlal.u8 q10, d4, d2
- vmlal.u8 q10, d5, d3
- vmull.u8 q11, d10, d0
- vmlal.u8 q11, d11, d1
- vmlal.u8 q11, d6, d2
- vmlal.u8 q11, d7, d3
- subs r5, r5, #2
- vld2.8 {d8-d11}, [r3], r4
- vrshrn.u16 d16, q8, #6
- vrshrn.u16 d17, q9, #6
- vrshrn.u16 d18, q10, #6
- vext.8 d9, d8, d9, #1
- vrshrn.u16 d19, q11, #6
- vext.8 d11, d10, d11, #1
- pld [r3]
- pld [r3, r4]
- vst1.64 {d16}, [r0,:64], r2
- vst1.64 {d17}, [r1,:64], r2
- vst1.64 {d18}, [r0,:64], r2
- vst1.64 {d19}, [r1,:64], r2
- bgt 1b
- vpop {d8-d11}
- pop {r4-r8, pc}
- 2: // dx or dy are 0
- tst r7, r7
- add ip, ip, r7
- vdup.8 d0, r5
- ldr r5, [sp, #72]
- vdup.8 d1, ip
- beq 4f
- vld2.8 {d4-d5}, [r3], r4
- vld2.8 {d6-d7}, [r3], r4
- 3: // vertical interpolation loop
- vmull.u8 q8, d4, d0 //U
- vmlal.u8 q8, d6, d1
- vmull.u8 q9, d5, d0 //V
- vmlal.u8 q9, d7, d1
- vld2.8 {d4-d5}, [r3], r4
- vmull.u8 q10, d6, d0
- vmlal.u8 q10, d4, d1
- vmull.u8 q11, d7, d0
- vmlal.u8 q11, d5, d1
- vld2.8 {d6-d7}, [r3], r4
- vrshrn.u16 d16, q8, #6
- vrshrn.u16 d17, q9, #6
- vrshrn.u16 d18, q10, #6
- vrshrn.u16 d19, q11, #6
- subs r5, r5, #2
- pld [r3]
- pld [r3, r4]
- vst1.64 {d16}, [r0,:64], r2
- vst1.64 {d17}, [r1,:64], r2
- vst1.64 {d18}, [r0,:64], r2
- vst1.64 {d19}, [r1,:64], r2
- bgt 3b
- vpop {d8-d11}
- pop {r4-r8, pc}
- 4: // dy is 0
- vld2.8 {d4-d7}, [r3], r4
- vld2.8 {d8-d11}, [r3], r4
- vext.8 d5, d4, d5, #1
- vext.8 d7, d6, d7, #1
- vext.8 d9, d8, d9, #1
- vext.8 d11, d10, d11, #1
- 5: // horizontal interpolation loop
- subs r5, r5, #2
- vmull.u8 q8, d4, d0 //U
- vmlal.u8 q8, d5, d1
- vmull.u8 q9, d6, d0 //V
- vmlal.u8 q9, d7, d1
- vld2.8 {d4-d7}, [r3], r4
- vmull.u8 q10, d8, d0
- vmlal.u8 q10, d9, d1
- vmull.u8 q11, d10, d0
- vmlal.u8 q11, d11, d1
- vld2.8 {d8-d11}, [r3], r4
- vext.8 d5, d4, d5, #1
- vrshrn.u16 d16, q8, #6
- vext.8 d7, d6, d7, #1
- vrshrn.u16 d17, q9, #6
- vext.8 d9, d8, d9, #1
- vrshrn.u16 d18, q10, #6
- vext.8 d11, d10, d11, #1
- vrshrn.u16 d19, q11, #6
- pld [r3]
- pld [r3, r4]
- vst1.64 {d16}, [r0,:64], r2
- vst1.64 {d17}, [r1,:64], r2
- vst1.64 {d18}, [r0,:64], r2
- vst1.64 {d19}, [r1,:64], r2
- bgt 5b
- vpop {d8-d11}
- pop {r4-r8, pc}
- endfunc
- // hpel_filter_v( uint8_t *dst, uint8_t *src, int16_t *buf, intptr_t stride, int width )
- function hpel_filter_v_neon
- ldr ip, [sp]
- sub r1, r1, r3, lsl #1
- push {lr}
- add lr, r1, ip
- vmov.u8 d30, #5
- vmov.u8 d31, #20
- filter_v_loop:
- subs ip, ip, #16
- vld1.64 {d0-d1}, [r1,:128], r3
- vld1.64 {d2-d3}, [r1,:128], r3
- vld1.64 {d4-d5}, [r1,:128], r3
- vld1.64 {d6-d7}, [r1,:128], r3
- vld1.64 {d16-d17}, [r1,:128], r3
- vld1.64 {d18-d19}, [r1,:128], r3
- sub r1, lr, ip
- vaddl.u8 q10, d0, d18
- vmlsl.u8 q10, d2, d30
- vmlal.u8 q10, d4, d31
- vmlal.u8 q10, d6, d31
- vmlsl.u8 q10, d16, d30
- vaddl.u8 q11, d1, d19
- vmlsl.u8 q11, d3, d30
- vmlal.u8 q11, d5, d31
- vmlal.u8 q11, d7, d31
- vmlsl.u8 q11, d17, d30
- vqrshrun.s16 d0, q10, #5
- vst1.64 {d20-d21}, [r2,:128]!
- vqrshrun.s16 d1, q11, #5
- vst1.64 {d22-d23}, [r2,:128]!
- vst1.64 {d0-d1}, [r0,:128]!
- bgt filter_v_loop
- pop {pc}
- endfunc
- // hpel_filter_c( uint8_t *dst, int16_t *buf, int width );
- function hpel_filter_c_neon
- sub r1, #16
- vld1.64 {d0-d3}, [r1,:128]!
- // unrolled 2x: 4% faster
- filter_c_loop:
- subs r2, r2, #16
- vld1.64 {d4-d7}, [r1,:128]!
- vext.16 q8, q0, q1, #6
- vext.16 q12, q1, q2, #3
- vadd.s16 q8, q8, q12
- vext.16 q9, q0, q1, #7
- vext.16 q11, q1, q2, #2
- vadd.s16 q9, q9, q11
- vext.16 q10, q1, q2, #1
- vext.16 q11, q1, q2, #6
- vadd.s16 q10, q1, q10
- vsub.s16 q8, q8, q9 // a-b
- vext.16 q15, q2, q3, #3
- vsub.s16 q9, q9, q10 // b-c
- vext.16 q12, q1, q2, #7
- vshr.s16 q8, q8, #2 // (a-b)/4
- vadd.s16 q11, q11, q15
- vext.16 q14, q2, q3, #2
- vsub.s16 q8, q8, q9 // (a-b)/4-b+c
- vadd.s16 q12, q12, q14
- vext.16 q13, q2, q3, #1
- vshr.s16 q8, q8, #2 // ((a-b)/4-b+c)/4
- vadd.s16 q13, q2, q13
- vadd.s16 q8, q8, q10 // ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
- vsub.s16 q11, q11, q12 // a-b
- vsub.s16 q12, q12, q13 // b-c
- vshr.s16 q11, q11, #2 // (a-b)/4
- vqrshrun.s16 d30, q8, #6
- vsub.s16 q11, q11, q12 // (a-b)/4-b+c
- vshr.s16 q11, q11, #2 // ((a-b)/4-b+c)/4
- vld1.64 {d0-d3}, [r1,:128]!
- vadd.s16 q11, q11, q13 // ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
- vext.16 q8, q2, q3, #6
- vqrshrun.s16 d31, q11, #6
- vext.16 q12, q3, q0, #3
- vadd.s16 q8, q8, q12
- vext.16 q9, q2, q3, #7
- vst1.64 {d30-d31}, [r0,:128]!
- bxle lr
- subs r2, r2, #16
- vext.16 q11, q3, q0, #2
- vadd.s16 q9, q9, q11
- vext.16 q10, q3, q0, #1
- vext.16 q11, q3, q0, #6
- vadd.s16 q10, q3, q10
- vsub.s16 q8, q8, q9 // a-b
- vext.16 q15, q0, q1, #3
- vsub.s16 q9, q9, q10 // b-c
- vext.16 q12, q3, q0, #7
- vshr.s16 q8, q8, #2 // (a-b)/4
- vadd.s16 q11, q11, q15
- vext.16 q14, q0, q1, #2
- vsub.s16 q8, q8, q9 // (a-b)/4-b+c
- vadd.s16 q12, q12, q14
- vext.16 q13, q0, q1, #1
- vshr.s16 q8, q8, #2 // ((a-b)/4-b+c)/4
- vadd.s16 q13, q0, q13
- vadd.s16 q8, q8, q10 // ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
- vsub.s16 q11, q11, q12 // a-b
- vsub.s16 q12, q12, q13 // b-c
- vshr.s16 q11, q11, #2 // (a-b)/4
- vqrshrun.s16 d30, q8, #6
- vsub.s16 q11, q11, q12 // (a-b)/4-b+c
- vshr.s16 q11, q11, #2 // ((a-b)/4-b+c)/4
- vadd.s16 q11, q11, q13 // ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
- vqrshrun.s16 d31, q11, #6
- vst1.64 {d30-d31}, [r0,:128]!
- bgt filter_c_loop
- bx lr
- endfunc
- // hpel_filter_h( uint8_t *dst, uint8_t *src, int width );
- function hpel_filter_h_neon
- sub r1, #16
- vmov.u8 d30, #5
- vld1.64 {d0-d3}, [r1,:128]!
- vmov.u8 d31, #20
- // unrolled 3x because it's 5% faster, due to mitigating
- // the high latency of multiplication and vqrshrun
- filter_h_loop:
- subs r2, r2, #16
- vld1.64 {d4-d5}, [r1,:128]!
- vext.8 q8, q0, q1, #14
- vext.8 q12, q1, q2, #3
- vaddl.u8 q13, d16, d24
- vext.8 q9, q0, q1, #15
- vaddl.u8 q14, d17, d25
- vext.8 q10, q1, q2, #1
- vmlal.u8 q13, d2, d31
- vmlsl.u8 q13, d18, d30
- vext.8 q11, q1, q2, #2
- vmlal.u8 q13, d20, d31
- vmlsl.u8 q13, d22, d30
- vmlsl.u8 q14, d19, d30
- vmlal.u8 q14, d3, d31
- vmlal.u8 q14, d21, d31
- vmlsl.u8 q14, d23, d30
- vqrshrun.s16 d6, q13, #5
- vld1.64 {d0-d1}, [r1,:128]!
- vext.8 q8, q1, q2, #14
- vext.8 q12, q2, q0, #3
- vaddl.u8 q13, d16, d24
- vqrshrun.s16 d7, q14, #5
- vext.8 q9, q1, q2, #15
- vaddl.u8 q14, d17, d25
- vst1.64 {d6-d7}, [r0,:128]!
- bxle lr
- subs r2, r2, #16
- vext.8 q10, q2, q0, #1
- vmlal.u8 q13, d4, d31
- vmlsl.u8 q13, d18, d30
- vext.8 q11, q2, q0, #2
- vmlal.u8 q13, d20, d31
- vmlsl.u8 q13, d22, d30
- vmlsl.u8 q14, d19, d30
- vmlal.u8 q14, d5, d31
- vmlal.u8 q14, d21, d31
- vmlsl.u8 q14, d23, d30
- vqrshrun.s16 d6, q13, #5
- vld1.64 {d2-d3}, [r1,:128]!
- vext.8 q8, q2, q0, #14
- vext.8 q12, q0, q1, #3
- vaddl.u8 q13, d16, d24
- vqrshrun.s16 d7, q14, #5
- vext.8 q9, q2, q0, #15
- vaddl.u8 q14, d17, d25
- vst1.64 {d6-d7}, [r0,:128]!
- bxle lr
- subs r2, r2, #16
- vext.8 q10, q0, q1, #1
- vmlal.u8 q13, d0, d31
- vmlsl.u8 q13, d18, d30
- vext.8 q11, q0, q1, #2
- vmlal.u8 q13, d20, d31
- vmlsl.u8 q13, d22, d30
- vmlsl.u8 q14, d19, d30
- vmlal.u8 q14, d1, d31
- vmlal.u8 q14, d21, d31
- vmlsl.u8 q14, d23, d30
- vqrshrun.s16 d6, q13, #5
- vqrshrun.s16 d7, q14, #5
- vst1.64 {d6-d7}, [r0,:128]!
- bgt filter_h_loop
- bx lr
- endfunc
- // frame_init_lowres_core( uint8_t *src0, uint8_t *dst0, uint8_t *dsth, uint8_t *dstv,
- // uint8_t *dstc, intptr_t src_stride, intptr_t dst_stride, int width,
- // int height )
- function frame_init_lowres_core_neon
- push {r4-r10,lr}
- vpush {d8-d15}
- ldrd r4, r5, [sp, #96]
- ldrd r6, r7, [sp, #104]
- ldr lr, [sp, #112]
- sub r10, r6, r7 // dst_stride - width
- and r10, r10, #~15
- lowres_yloop:
- mov ip, r7 // width
- mov r6, r0 // src0
- add r8, r0, r5 // src1 = src0 + src_stride
- add r9, r0, r5, lsl #1 // src2 = src1 + src_stride
- vld2.8 {d8, d10}, [r6,:128]!
- vld2.8 {d12,d14}, [r8,:128]!
- vld2.8 {d16,d18}, [r9,:128]!
- lowres_xloop:
- subs ip, ip, #16
- vld2.8 {d9, d11}, [r6,:128]!
- vld2.8 {d13,d15}, [r8,:128]!
- vrhadd.u8 q0, q4, q6
- vld2.8 {d17,d19}, [r9,:128]!
- vrhadd.u8 q5, q5, q7
- vld2.8 {d20,d22}, [r6,:128]!
- vrhadd.u8 q1, q6, q8
- vld2.8 {d24,d26}, [r8,:128]!
- vrhadd.u8 q7, q7, q9
- vext.8 q4, q4, q10, #1
- vrhadd.u8 q0, q0, q5
- vext.8 q6, q6, q12, #1
- vrhadd.u8 q1, q1, q7
- vld2.8 {d28,d30}, [r9,:128]!
- vrhadd.u8 q4, q4, q6
- vext.8 q8, q8, q14, #1
- vrhadd.u8 q6, q6, q8
- vst1.64 {d0-d1}, [r1,:128]!
- vrhadd.u8 q2, q4, q5
- vst1.64 {d2-d3}, [r3,:128]!
- vrhadd.u8 q3, q6, q7
- vst1.64 {d4-d5}, [r2,:128]!
- vst1.64 {d6-d7}, [r4,:128]!
- ble lowres_xloop_end
- subs ip, ip, #16
- vld2.8 {d21,d23}, [r6,:128]!
- vld2.8 {d25,d27}, [r8,:128]!
- vrhadd.u8 q0, q10, q12
- vld2.8 {d29,d31}, [r9,:128]!
- vrhadd.u8 q11, q11, q13
- vld2.8 {d8, d10}, [r6,:128]!
- vrhadd.u8 q1, q12, q14
- vld2.8 {d12,d14}, [r8,:128]!
- vrhadd.u8 q13, q13, q15
- vext.8 q10, q10, q4, #1
- vrhadd.u8 q0, q0, q11
- vext.8 q12, q12, q6, #1
- vrhadd.u8 q1, q1, q13
- vld2.8 {d16,d18}, [r9,:128]!
- vrhadd.u8 q10, q10, q12
- vext.8 q14, q14, q8, #1
- vrhadd.u8 q12, q12, q14
- vst1.64 {d0-d1}, [r1,:128]!
- vrhadd.u8 q2, q10, q11
- vst1.64 {d2-d3}, [r3,:128]!
- vrhadd.u8 q3, q12, q13
- vst1.64 {d4-d5}, [r2,:128]!
- vst1.64 {d6-d7}, [r4,:128]!
- bgt lowres_xloop
- lowres_xloop_end:
- subs lr, lr, #1
- add r0, r0, r5, lsl #1
- add r1, r1, r10
- add r2, r2, r10
- add r3, r3, r10
- add r4, r4, r10
- bgt lowres_yloop
- vpop {d8-d15}
- pop {r4-r10,pc}
- endfunc
- function load_deinterleave_chroma_fdec_neon
- mov ip, #FDEC_STRIDE/2
- 1:
- vld2.8 {d0-d1}, [r1,:128], r2
- subs r3, r3, #1
- pld [r1]
- vst1.8 {d0}, [r0,:64], ip
- vst1.8 {d1}, [r0,:64], ip
- bgt 1b
- bx lr
- endfunc
- function load_deinterleave_chroma_fenc_neon
- mov ip, #FENC_STRIDE/2
- 1:
- vld2.8 {d0-d1}, [r1,:128], r2
- subs r3, r3, #1
- pld [r1]
- vst1.8 {d0}, [r0,:64], ip
- vst1.8 {d1}, [r0,:64], ip
- bgt 1b
- bx lr
- endfunc
- function plane_copy_core_neon
- push {r4,lr}
- ldr r4, [sp, #8]
- ldr lr, [sp, #12]
- add r12, r4, #15
- bic r4, r12, #15
- sub r1, r1, r4
- sub r3, r3, r4
- 1:
- mov r12, r4
- 16:
- tst r12, #16
- beq 32f
- subs r12, r12, #16
- vld1.8 {q0}, [r2]!
- vst1.8 {q0}, [r0]!
- beq 0f
- 32:
- subs r12, r12, #32
- vld1.8 {q0, q1}, [r2]!
- vst1.8 {q0, q1}, [r0]!
- bgt 32b
- 0:
- subs lr, lr, #1
- add r2, r2, r3
- add r0, r0, r1
- bgt 1b
- pop {r4,pc}
- endfunc
- function plane_copy_deinterleave_neon
- push {r4-r7, lr}
- ldrd r6, r7, [sp, #28]
- ldrd r4, r5, [sp, #20]
- add lr, r6, #15
- bic lr, lr, #15
- sub r1, r1, lr
- sub r3, r3, lr
- sub r5, r5, lr, lsl #1
- block:
- vld2.8 {d0-d3}, [r4,:128]!
- subs lr, lr, #16
- vst1.8 {q0}, [r0]!
- vst1.8 {q1}, [r2]!
- bgt block
- add r4, r4, r5
- subs r7, r7, #1
- add r0, r0, r1
- add r2, r2, r3
- mov lr, r6
- bgt block
- pop {r4-r7, pc}
- endfunc
- function plane_copy_deinterleave_rgb_neon
- push {r4-r8, r10, r11, lr}
- ldrd r4, r5, [sp, #32]
- ldrd r6, r7, [sp, #40]
- ldr r8, [sp, #48]
- ldrd r10, r11, [sp, #52]
- add lr, r10, #7
- subs r8, r8, #3
- bic lr, lr, #7
- sub r7, r7, lr, lsl #1
- sub r1, r1, lr
- sub r3, r3, lr
- sub r5, r5, lr
- subne r7, r7, lr, lsl #1
- subeq r7, r7, lr
- bne block4
- block3:
- vld3.8 {d0,d1,d2}, [r6]!
- subs lr, lr, #8
- vst1.8 {d0}, [r0]!
- vst1.8 {d1}, [r2]!
- vst1.8 {d2}, [r4]!
- bgt block3
- subs r11, r11, #1
- add r0, r0, r1
- add r2, r2, r3
- add r4, r4, r5
- add r6, r6, r7
- mov lr, r10
- bgt block3
- pop {r4-r8, r10, r11, pc}
- block4:
- vld4.8 {d0,d1,d2,d3}, [r6]!
- subs lr, lr, #8
- vst1.8 {d0}, [r0]!
- vst1.8 {d1}, [r2]!
- vst1.8 {d2}, [r4]!
- bgt block4
- subs r11, r11, #1
- add r0, r0, r1
- add r2, r2, r3
- add r4, r4, r5
- add r6, r6, r7
- mov lr, r10
- bgt block4
- pop {r4-r8, r10, r11, pc}
- endfunc
- function plane_copy_interleave_core_neon
- push {r4-r7, lr}
- ldrd r6, r7, [sp, #28]
- ldrd r4, r5, [sp, #20]
- add lr, r6, #15
- bic lr, lr, #15
- sub r1, r1, lr, lsl #1
- sub r3, r3, lr
- sub r5, r5, lr
- blocki:
- vld1.8 {q0}, [r2]!
- vld1.8 {q1}, [r4]!
- subs lr, lr, #16
- vst2.8 {d0,d2}, [r0]!
- vst2.8 {d1,d3}, [r0]!
- bgt blocki
- subs r7, r7, #1
- add r0, r0, r1
- add r2, r2, r3
- add r4, r4, r5
- mov lr, r6
- bgt blocki
- pop {r4-r7, pc}
- endfunc
- function plane_copy_swap_core_neon
- push {r4-r5, lr}
- ldrd r4, r5, [sp, #12]
- add lr, r4, #15
- bic lr, lr, #15
- sub r1, r1, lr, lsl #1
- sub r3, r3, lr, lsl #1
- 1:
- vld1.8 {q0, q1}, [r2]!
- subs lr, lr, #16
- vrev16.8 q0, q0
- vrev16.8 q1, q1
- vst1.8 {q0, q1}, [r0]!
- bgt 1b
- subs r5, r5, #1
- add r0, r0, r1
- add r2, r2, r3
- mov lr, r4
- bgt 1b
- pop {r4-r5, pc}
- endfunc
- function store_interleave_chroma_neon
- push {lr}
- ldr lr, [sp, #4]
- mov ip, #FDEC_STRIDE
- 1:
- vld1.8 {d0}, [r2], ip
- vld1.8 {d1}, [r3], ip
- subs lr, lr, #1
- vst2.8 {d0,d1}, [r0,:128], r1
- bgt 1b
- pop {pc}
- endfunc
- .macro integral4h p1, p2
- vext.8 d1, \p1, \p2, #1
- vext.8 d2, \p1, \p2, #2
- vext.8 d3, \p1, \p2, #3
- vaddl.u8 q0, \p1, d1
- vaddl.u8 q1, d2, d3
- vadd.u16 q0, q0, q1
- vadd.u16 q0, q0, q2
- .endm
- function integral_init4h_neon
- sub r3, r0, r2, lsl #1
- vld1.8 {d6, d7}, [r1, :128]!
- 1:
- subs r2, r2, #16
- vld1.16 {q2}, [r3, :128]!
- integral4h d6, d7
- vld1.8 {d6}, [r1, :64]!
- vld1.16 {q2}, [r3, :128]!
- vst1.16 {q0}, [r0, :128]!
- integral4h d7, d6
- vld1.8 {d7}, [r1, :64]!
- vst1.16 {q0}, [r0, :128]!
- bgt 1b
- bx lr
- endfunc
- .macro integral8h p1, p2, s
- vext.8 d1, \p1, \p2, #1
- vext.8 d2, \p1, \p2, #2
- vext.8 d3, \p1, \p2, #3
- vext.8 d4, \p1, \p2, #4
- vext.8 d5, \p1, \p2, #5
- vext.8 d6, \p1, \p2, #6
- vext.8 d7, \p1, \p2, #7
- vaddl.u8 q0, \p1, d1
- vaddl.u8 q1, d2, d3
- vaddl.u8 q2, d4, d5
- vaddl.u8 q3, d6, d7
- vadd.u16 q0, q0, q1
- vadd.u16 q2, q2, q3
- vadd.u16 q0, q0, q2
- vadd.u16 q0, q0, \s
- .endm
- function integral_init8h_neon
- sub r3, r0, r2, lsl #1
- vld1.8 {d16, d17}, [r1, :128]!
- 1:
- subs r2, r2, #16
- vld1.16 {q9}, [r3, :128]!
- integral8h d16, d17, q9
- vld1.8 {d16}, [r1, :64]!
- vld1.16 {q9}, [r3, :128]!
- vst1.16 {q0}, [r0, :128]!
- integral8h d17, d16, q9
- vld1.8 {d17}, [r1, :64]!
- vst1.16 {q0}, [r0, :128]!
- bgt 1b
- bx lr
- endfunc
- function integral_init4v_neon
- push {r4-r5}
- mov r3, r0
- add r4, r0, r2, lsl #3
- add r5, r0, r2, lsl #4
- sub r2, r2, #8
- vld1.16 {q11, q12}, [r3]!
- vld1.16 {q8, q9}, [r5]!
- vld1.16 {q13}, [r3]!
- vld1.16 {q10}, [r5]!
- 1:
- subs r2, r2, #16
- vld1.16 {q14, q15}, [r4]!
- vext.8 q0, q11, q12, #8
- vext.8 q1, q12, q13, #8
- vext.8 q2, q8, q9, #8
- vext.8 q3, q9, q10, #8
- vsub.u16 q14, q14, q11
- vsub.u16 q15, q15, q12
- vadd.u16 q0, q0, q11
- vadd.u16 q1, q1, q12
- vadd.u16 q2, q2, q8
- vadd.u16 q3, q3, q9
- vst1.16 {q14}, [r1]!
- vst1.16 {q15}, [r1]!
- vmov q11, q13
- vmov q8, q10
- vsub.u16 q0, q2, q0
- vsub.u16 q1, q3, q1
- vld1.16 {q12, q13}, [r3]!
- vld1.16 {q9, q10}, [r5]!
- vst1.16 {q0}, [r0]!
- vst1.16 {q1}, [r0]!
- bgt 1b
- 2:
- pop {r4-r5}
- bx lr
- endfunc
- function integral_init8v_neon
- add r2, r0, r1, lsl #4
- sub r1, r1, #8
- ands r3, r1, #16 - 1
- beq 1f
- subs r1, r1, #8
- vld1.16 {q0}, [r0]
- vld1.16 {q2}, [r2]!
- vsub.u16 q8, q2, q0
- vst1.16 {q8}, [r0]!
- ble 2f
- 1:
- subs r1, r1, #16
- vld1.16 {q0, q1}, [r0]
- vld1.16 {q2, q3}, [r2]!
- vsub.u16 q8, q2, q0
- vsub.u16 q9, q3, q1
- vst1.16 {q8}, [r0]!
- vst1.16 {q9}, [r0]!
- bgt 1b
- 2:
- bx lr
- endfunc
- function mbtree_propagate_cost_neon
- push {r4-r5,lr}
- ldrd r4, r5, [sp, #12]
- ldr lr, [sp, #20]
- vld1.32 {d6[], d7[]}, [r5]
- 8:
- subs lr, lr, #8
- vld1.16 {q8}, [r1]!
- vld1.16 {q9}, [r2]!
- vld1.16 {q10}, [r3]!
- vld1.16 {q11}, [r4]!
- vbic.u16 q10, #0xc000
- vmin.u16 q10, q9, q10
- vmull.u16 q12, d18, d22 @ propagate_intra
- vmull.u16 q13, d19, d23 @ propagate_intra
- vsubl.u16 q14, d18, d20 @ propagate_num
- vsubl.u16 q15, d19, d21 @ propagate_num
- vmovl.u16 q10, d18 @ propagate_denom
- vmovl.u16 q11, d19 @ propagate_denom
- vmovl.u16 q9, d17
- vmovl.u16 q8, d16
- vcvt.f32.s32 q12, q12
- vcvt.f32.s32 q13, q13
- vcvt.f32.s32 q14, q14
- vcvt.f32.s32 q15, q15
- vcvt.f32.s32 q10, q10
- vcvt.f32.s32 q11, q11
- vrecpe.f32 q0, q10
- vrecpe.f32 q1, q11
- vcvt.f32.s32 q8, q8
- vcvt.f32.s32 q9, q9
- vrecps.f32 q10, q0, q10
- vrecps.f32 q11, q1, q11
- vmla.f32 q8, q12, q3 @ propagate_amount
- vmla.f32 q9, q13, q3 @ propagate_amount
- vmul.f32 q0, q0, q10
- vmul.f32 q1, q1, q11
- vmul.f32 q8, q8, q14
- vmul.f32 q9, q9, q15
- vmul.f32 q0, q8, q0
- vmul.f32 q1, q9, q1
- vcvt.s32.f32 q0, q0
- vcvt.s32.f32 q1, q1
- vqmovn.s32 d0, q0
- vqmovn.s32 d1, q1
- vst1.16 {q0}, [r0]!
- bgt 8b
- pop {r4-r5,pc}
- endfunc
- function mbtree_propagate_list_internal_neon
- vld1.16 {d4[]}, [sp] @ bipred_weight
- movrel r12, pw_0to15
- vmov.u16 q10, #0xc000
- vld1.16 {q0}, [r12, :128] @h->mb.i_mb_x,h->mb.i_mb_y
- ldrh r12, [sp, #4]
- vmov.u32 q11, #4
- vmov.u8 q3, #32
- vdup.u16 q8, r12 @ mb_y
- vzip.u16 q0, q8
- ldr r12, [sp, #8]
- 8:
- subs r12, r12, #8
- vld1.16 {q14}, [r1, :128]! @ propagate_amount
- vld1.16 {q15}, [r2]! @ lowres_cost
- vld1.16 {q8, q9}, [r0]!
- vand q15, q15, q10
- vceq.u16 q1, q15, q10
- vmull.u16 q12, d28, d4
- vmull.u16 q13, d29, d4
- vrshrn.u32 d30, q12, #6
- vrshrn.u32 d31, q13, #6
- vbsl q1, q15, q14 @ if( lists_used == 3 )
- @ propagate_amount = (propagate_amount * bipred_weight + 32) >> 6
- vshr.s16 q12, q8, #5
- vshr.s16 q13, q9, #5
- vuzp.16 q8, q9 @ x & 31, y & 31
- vadd.s16 q12, q12, q0
- vadd.s16 q0, q0, q11
- vmovn.i16 d16, q8
- vmovn.i16 d17, q9
- vadd.s16 q13, q13, q0
- vbic.i16 q8, #128+64+32
- vadd.s16 q0, q0, q11
- vbic.i16 q8, #(128+64+32)<<8
- vst1.16 {q12, q13}, [r3, :128]!
- vsub.i8 q9, q3, q8
- vmull.u8 q12, d17, d16 @ idx3weight = y*x
- vmull.u8 q14, d19, d16 @ idx1weight = (32-y)*x
- vmull.u8 q15, d19, d18 @ idx0weight = (32-y)*(32-x)
- vmull.u8 q13, d17, d18 @ idx2weight = y*(32-x)
- vmull.u16 q9, d28, d2 @ idx1weight
- vmull.u16 q8, d29, d3
- vmull.u16 q14, d30, d2 @ idx0weight
- vmull.u16 q15, d31, d3
- vrshrn.u32 d18, q9, #10 @ idx1weight
- vrshrn.u32 d19, q8, #10
- vrshrn.u32 d16, q14, #10 @ idx0weight
- vrshrn.u32 d17, q15, #10
- vmull.u16 q14, d24, d2 @ idx3weight
- vmull.u16 q15, d25, d3
- vzip.16 q8, q9
- vmull.u16 q12, d26, d2 @ idx2weight
- vmull.u16 q13, d27, d3
- vst1.16 {q8, q9}, [r3, :128]!
- vrshrn.u32 d19, q15, #10 @ idx3weight
- vrshrn.u32 d18, q14, #10
- vrshrn.u32 d16, q12, #10 @ idx2weight
- vrshrn.u32 d17, q13, #10
- vzip.16 q8, q9
- vst1.16 {q8, q9}, [r3, :128]!
- bge 8b
- bx lr
- endfunc
- @ void mbtree_fix8_pack( int16_t *dst, float *src, int count )
- function mbtree_fix8_pack_neon, export=1
- subs r3, r2, #8
- blt 2f
- 1:
- subs r3, r3, #8
- vld1.32 {q0,q1}, [r1,:128]!
- vcvt.s32.f32 q0, q0, #8
- vcvt.s32.f32 q1, q1, #8
- vqmovn.s32 d4, q0
- vqmovn.s32 d5, q1
- vrev16.8 q3, q2
- vst1.16 {q3}, [r0,:128]!
- bge 1b
- 2:
- adds r3, r3, #8
- bxeq lr
- 3:
- subs r3, r3, #1
- vld1.32 {d0[0]}, [r1]!
- vcvt.s32.f32 s0, s0, #8
- vrev16.8 d0, d0
- vst1.16 {d0[0]}, [r0]!
- bgt 3b
- bx lr
- endfunc
- @ void mbtree_fix8_unpack( float *dst, int16_t *src, int count )
- function mbtree_fix8_unpack_neon, export=1
- subs r3, r2, #8
- blt 2f
- 1:
- subs r3, r3, #8
- vld1.16 {q0}, [r1,:128]!
- vrev16.8 q1, q0
- vmovl.s16 q0, d2
- vmovl.s16 q1, d3
- vcvt.f32.s32 q0, q0, #8
- vcvt.f32.s32 q1, q1, #8
- vst1.32 {q0,q1}, [r0,:128]!
- bge 1b
- 2:
- adds r3, r3, #8
- bxeq lr
- 3:
- subs r3, r3, #1
- vld1.16 {d0[0]}, [r1]!
- vrev16.8 d0, d0
- vmovl.s16 q0, d0
- vcvt.f32.s32 d0, d0, #8
- vst1.32 {d0[0]}, [r0]!
- bgt 3b
- bx lr
- endfunc
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