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|
/*
* ARM NEON optimised DSP functions
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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_clear_block_neon, export=1
vmov.i16 q0, #0
.rept 8
vst1.16 {q0}, [r0,:128]!
.endr
bx lr
endfunc
function ff_clear_blocks_neon, export=1
vmov.i16 q0, #0
.rept 8*6
vst1.16 {q0}, [r0,:128]!
.endr
bx lr
endfunc
.macro pixels16 rnd=1, avg=0
.if \avg
mov r12, r0
.endif
1: vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
vld1.8 {q2}, [r1], r2
pld [r1, r2, lsl #2]
vld1.8 {q3}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
.if \avg
vld1.8 {q8}, [r12,:128], r2
vrhadd.u8 q0, q0, q8
vld1.8 {q9}, [r12,:128], r2
vrhadd.u8 q1, q1, q9
vld1.8 {q10}, [r12,:128], r2
vrhadd.u8 q2, q2, q10
vld1.8 {q11}, [r12,:128], r2
vrhadd.u8 q3, q3, q11
.endif
subs r3, r3, #4
vst1.64 {q0}, [r0,:128], r2
vst1.64 {q1}, [r0,:128], r2
vst1.64 {q2}, [r0,:128], r2
vst1.64 {q3}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_x2 rnd=1, avg=0
1: vld1.8 {d0-d2}, [r1], r2
vld1.8 {d4-d6}, [r1], r2
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vext.8 q1, q0, q1, #1
avg q0, q0, q1
vext.8 q3, q2, q3, #1
avg q2, q2, q3
.if \avg
vld1.8 {q1}, [r0,:128], r2
vld1.8 {q3}, [r0,:128]
vrhadd.u8 q0, q0, q1
vrhadd.u8 q2, q2, q3
sub r0, r0, r2
.endif
vst1.8 {q0}, [r0,:128], r2
vst1.8 {q2}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_y2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
1: subs r3, r3, #2
avg q2, q0, q1
vld1.8 {q0}, [r1], r2
avg q3, q0, q1
vld1.8 {q1}, [r1], r2
pld [r1]
pld [r1, r2]
.if \avg
vld1.8 {q8}, [r0,:128], r2
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q2, q2, q8
vrhadd.u8 q3, q3, q9
sub r0, r0, r2
.endif
vst1.8 {q2}, [r0,:128], r2
vst1.8 {q3}, [r0,:128], r2
bne 1b
avg q2, q0, q1
vld1.8 {q0}, [r1], r2
avg q3, q0, q1
.if \avg
vld1.8 {q8}, [r0,:128], r2
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q2, q2, q8
vrhadd.u8 q3, q3, q9
sub r0, r0, r2
.endif
vst1.8 {q2}, [r0,:128], r2
vst1.8 {q3}, [r0,:128], r2
bx lr
.endm
.macro pixels16_xy2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {d0-d2}, [r1], r2
vld1.8 {d4-d6}, [r1], r2
NRND vmov.i16 q13, #1
pld [r1]
pld [r1, r2]
vext.8 q1, q0, q1, #1
vext.8 q3, q2, q3, #1
vaddl.u8 q8, d0, d2
vaddl.u8 q10, d1, d3
vaddl.u8 q9, d4, d6
vaddl.u8 q11, d5, d7
1: subs r3, r3, #2
vld1.8 {d0-d2}, [r1], r2
vadd.u16 q12, q8, q9
pld [r1]
NRND vadd.u16 q12, q12, q13
vext.8 q15, q0, q1, #1
vadd.u16 q1 , q10, q11
shrn d28, q12, #2
NRND vadd.u16 q1, q1, q13
shrn d29, q1, #2
.if \avg
vld1.8 {q8}, [r0,:128]
vrhadd.u8 q14, q14, q8
.endif
vaddl.u8 q8, d0, d30
vld1.8 {d2-d4}, [r1], r2
vaddl.u8 q10, d1, d31
vst1.8 {q14}, [r0,:128], r2
vadd.u16 q12, q8, q9
pld [r1, r2]
NRND vadd.u16 q12, q12, q13
vext.8 q2, q1, q2, #1
vadd.u16 q0, q10, q11
shrn d30, q12, #2
NRND vadd.u16 q0, q0, q13
shrn d31, q0, #2
.if \avg
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q15, q15, q9
.endif
vaddl.u8 q9, d2, d4
vaddl.u8 q11, d3, d5
vst1.8 {q15}, [r0,:128], r2
bgt 1b
vld1.8 {d0-d2}, [r1], r2
vadd.u16 q12, q8, q9
NRND vadd.u16 q12, q12, q13
vext.8 q15, q0, q1, #1
vadd.u16 q1 , q10, q11
shrn d28, q12, #2
NRND vadd.u16 q1, q1, q13
shrn d29, q1, #2
.if \avg
vld1.8 {q8}, [r0,:128]
vrhadd.u8 q14, q14, q8
.endif
vaddl.u8 q8, d0, d30
vaddl.u8 q10, d1, d31
vst1.8 {q14}, [r0,:128], r2
vadd.u16 q12, q8, q9
NRND vadd.u16 q12, q12, q13
vadd.u16 q0, q10, q11
shrn d30, q12, #2
NRND vadd.u16 q0, q0, q13
shrn d31, q0, #2
.if \avg
vld1.8 {q9}, [r0,:128]
vrhadd.u8 q15, q15, q9
.endif
vst1.8 {q15}, [r0,:128], r2
bx lr
.endm
.macro pixels8 rnd=1, avg=0
1: vld1.8 {d0}, [r1], r2
vld1.8 {d1}, [r1], r2
vld1.8 {d2}, [r1], r2
pld [r1, r2, lsl #2]
vld1.8 {d3}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
.if \avg
vld1.8 {d4}, [r0,:64], r2
vrhadd.u8 d0, d0, d4
vld1.8 {d5}, [r0,:64], r2
vrhadd.u8 d1, d1, d5
vld1.8 {d6}, [r0,:64], r2
vrhadd.u8 d2, d2, d6
vld1.8 {d7}, [r0,:64], r2
vrhadd.u8 d3, d3, d7
sub r0, r0, r2, lsl #2
.endif
subs r3, r3, #4
vst1.8 {d0}, [r0,:64], r2
vst1.8 {d1}, [r0,:64], r2
vst1.8 {d2}, [r0,:64], r2
vst1.8 {d3}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_x2 rnd=1, avg=0
1: vld1.8 {q0}, [r1], r2
vext.8 d1, d0, d1, #1
vld1.8 {q1}, [r1], r2
vext.8 d3, d2, d3, #1
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vswp d1, d2
avg q0, q0, q1
.if \avg
vld1.8 {d4}, [r0,:64], r2
vld1.8 {d5}, [r0,:64]
vrhadd.u8 q0, q0, q2
sub r0, r0, r2
.endif
vst1.8 {d0}, [r0,:64], r2
vst1.8 {d1}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_y2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {d0}, [r1], r2
vld1.8 {d1}, [r1], r2
1: subs r3, r3, #2
avg d4, d0, d1
vld1.8 {d0}, [r1], r2
avg d5, d0, d1
vld1.8 {d1}, [r1], r2
pld [r1]
pld [r1, r2]
.if \avg
vld1.8 {d2}, [r0,:64], r2
vld1.8 {d3}, [r0,:64]
vrhadd.u8 q2, q2, q1
sub r0, r0, r2
.endif
vst1.8 {d4}, [r0,:64], r2
vst1.8 {d5}, [r0,:64], r2
bne 1b
avg d4, d0, d1
vld1.8 {d0}, [r1], r2
avg d5, d0, d1
.if \avg
vld1.8 {d2}, [r0,:64], r2
vld1.8 {d3}, [r0,:64]
vrhadd.u8 q2, q2, q1
sub r0, r0, r2
.endif
vst1.8 {d4}, [r0,:64], r2
vst1.8 {d5}, [r0,:64], r2
bx lr
.endm
.macro pixels8_xy2 rnd=1, avg=0
sub r3, r3, #2
vld1.8 {q0}, [r1], r2
vld1.8 {q1}, [r1], r2
NRND vmov.i16 q11, #1
pld [r1]
pld [r1, r2]
vext.8 d4, d0, d1, #1
vext.8 d6, d2, d3, #1
vaddl.u8 q8, d0, d4
vaddl.u8 q9, d2, d6
1: subs r3, r3, #2
vld1.8 {q0}, [r1], r2
pld [r1]
vadd.u16 q10, q8, q9
vext.8 d4, d0, d1, #1
NRND vadd.u16 q10, q10, q11
vaddl.u8 q8, d0, d4
shrn d5, q10, #2
vld1.8 {q1}, [r1], r2
vadd.u16 q10, q8, q9
pld [r1, r2]
.if \avg
vld1.8 {d7}, [r0,:64]
vrhadd.u8 d5, d5, d7
.endif
NRND vadd.u16 q10, q10, q11
vst1.8 {d5}, [r0,:64], r2
shrn d7, q10, #2
.if \avg
vld1.8 {d5}, [r0,:64]
vrhadd.u8 d7, d7, d5
.endif
vext.8 d6, d2, d3, #1
vaddl.u8 q9, d2, d6
vst1.8 {d7}, [r0,:64], r2
bgt 1b
vld1.8 {q0}, [r1], r2
vadd.u16 q10, q8, q9
vext.8 d4, d0, d1, #1
NRND vadd.u16 q10, q10, q11
vaddl.u8 q8, d0, d4
shrn d5, q10, #2
vadd.u16 q10, q8, q9
.if \avg
vld1.8 {d7}, [r0,:64]
vrhadd.u8 d5, d5, d7
.endif
NRND vadd.u16 q10, q10, q11
vst1.8 {d5}, [r0,:64], r2
shrn d7, q10, #2
.if \avg
vld1.8 {d5}, [r0,:64]
vrhadd.u8 d7, d7, d5
.endif
vst1.8 {d7}, [r0,:64], r2
bx lr
.endm
.macro pixfunc pfx, name, suf, rnd=1, avg=0
.if \rnd
.macro avg rd, rn, rm
vrhadd.u8 \rd, \rn, \rm
.endm
.macro shrn rd, rn, rm
vrshrn.u16 \rd, \rn, \rm
.endm
.macro NRND insn:vararg
.endm
.else
.macro avg rd, rn, rm
vhadd.u8 \rd, \rn, \rm
.endm
.macro shrn rd, rn, rm
vshrn.u16 \rd, \rn, \rm
.endm
.macro NRND insn:vararg
\insn
.endm
.endif
function ff_\pfx\name\suf\()_neon, export=1
\name \rnd, \avg
endfunc
.purgem avg
.purgem shrn
.purgem NRND
.endm
.macro pixfunc2 pfx, name, avg=0
pixfunc \pfx, \name, rnd=1, avg=\avg
pixfunc \pfx, \name, _no_rnd, rnd=0, avg=\avg
.endm
function ff_put_h264_qpel16_mc00_neon, export=1
mov r3, #16
endfunc
pixfunc put_, pixels16, avg=0
pixfunc2 put_, pixels16_x2, avg=0
pixfunc2 put_, pixels16_y2, avg=0
pixfunc2 put_, pixels16_xy2, avg=0
function ff_avg_h264_qpel16_mc00_neon, export=1
mov r3, #16
endfunc
pixfunc avg_, pixels16, avg=1
pixfunc2 avg_, pixels16_x2, avg=1
pixfunc2 avg_, pixels16_y2, avg=1
pixfunc2 avg_, pixels16_xy2, avg=1
function ff_put_h264_qpel8_mc00_neon, export=1
mov r3, #8
endfunc
pixfunc put_, pixels8, avg=0
pixfunc2 put_, pixels8_x2, avg=0
pixfunc2 put_, pixels8_y2, avg=0
pixfunc2 put_, pixels8_xy2, avg=0
function ff_avg_h264_qpel8_mc00_neon, export=1
mov r3, #8
endfunc
pixfunc avg_, pixels8, avg=1
pixfunc2 avg_, pixels8_x2, avg=1
pixfunc2 avg_, pixels8_y2, avg=1
pixfunc2 avg_, pixels8_xy2, avg=1
function ff_put_pixels_clamped_neon, export=1
vld1.16 {d16-d19}, [r0,:128]!
vqmovun.s16 d0, q8
vld1.16 {d20-d23}, [r0,:128]!
vqmovun.s16 d1, q9
vld1.16 {d24-d27}, [r0,:128]!
vqmovun.s16 d2, q10
vld1.16 {d28-d31}, [r0,:128]!
vqmovun.s16 d3, q11
vst1.8 {d0}, [r1,:64], r2
vqmovun.s16 d4, q12
vst1.8 {d1}, [r1,:64], r2
vqmovun.s16 d5, q13
vst1.8 {d2}, [r1,:64], r2
vqmovun.s16 d6, q14
vst1.8 {d3}, [r1,:64], r2
vqmovun.s16 d7, q15
vst1.8 {d4}, [r1,:64], r2
vst1.8 {d5}, [r1,:64], r2
vst1.8 {d6}, [r1,:64], r2
vst1.8 {d7}, [r1,:64], r2
bx lr
endfunc
function ff_put_signed_pixels_clamped_neon, export=1
vmov.u8 d31, #128
vld1.16 {d16-d17}, [r0,:128]!
vqmovn.s16 d0, q8
vld1.16 {d18-d19}, [r0,:128]!
vqmovn.s16 d1, q9
vld1.16 {d16-d17}, [r0,:128]!
vqmovn.s16 d2, q8
vld1.16 {d18-d19}, [r0,:128]!
vadd.u8 d0, d0, d31
vld1.16 {d20-d21}, [r0,:128]!
vadd.u8 d1, d1, d31
vld1.16 {d22-d23}, [r0,:128]!
vadd.u8 d2, d2, d31
vst1.8 {d0}, [r1,:64], r2
vqmovn.s16 d3, q9
vst1.8 {d1}, [r1,:64], r2
vqmovn.s16 d4, q10
vst1.8 {d2}, [r1,:64], r2
vqmovn.s16 d5, q11
vld1.16 {d24-d25}, [r0,:128]!
vadd.u8 d3, d3, d31
vld1.16 {d26-d27}, [r0,:128]!
vadd.u8 d4, d4, d31
vadd.u8 d5, d5, d31
vst1.8 {d3}, [r1,:64], r2
vqmovn.s16 d6, q12
vst1.8 {d4}, [r1,:64], r2
vqmovn.s16 d7, q13
vst1.8 {d5}, [r1,:64], r2
vadd.u8 d6, d6, d31
vadd.u8 d7, d7, d31
vst1.8 {d6}, [r1,:64], r2
vst1.8 {d7}, [r1,:64], r2
bx lr
endfunc
function ff_add_pixels_clamped_neon, export=1
mov r3, r1
vld1.8 {d16}, [r1,:64], r2
vld1.16 {d0-d1}, [r0,:128]!
vaddw.u8 q0, q0, d16
vld1.8 {d17}, [r1,:64], r2
vld1.16 {d2-d3}, [r0,:128]!
vqmovun.s16 d0, q0
vld1.8 {d18}, [r1,:64], r2
vaddw.u8 q1, q1, d17
vld1.16 {d4-d5}, [r0,:128]!
vaddw.u8 q2, q2, d18
vst1.8 {d0}, [r3,:64], r2
vqmovun.s16 d2, q1
vld1.8 {d19}, [r1,:64], r2
vld1.16 {d6-d7}, [r0,:128]!
vaddw.u8 q3, q3, d19
vqmovun.s16 d4, q2
vst1.8 {d2}, [r3,:64], r2
vld1.8 {d16}, [r1,:64], r2
vqmovun.s16 d6, q3
vld1.16 {d0-d1}, [r0,:128]!
vaddw.u8 q0, q0, d16
vst1.8 {d4}, [r3,:64], r2
vld1.8 {d17}, [r1,:64], r2
vld1.16 {d2-d3}, [r0,:128]!
vaddw.u8 q1, q1, d17
vst1.8 {d6}, [r3,:64], r2
vqmovun.s16 d0, q0
vld1.8 {d18}, [r1,:64], r2
vld1.16 {d4-d5}, [r0,:128]!
vaddw.u8 q2, q2, d18
vst1.8 {d0}, [r3,:64], r2
vqmovun.s16 d2, q1
vld1.8 {d19}, [r1,:64], r2
vqmovun.s16 d4, q2
vld1.16 {d6-d7}, [r0,:128]!
vaddw.u8 q3, q3, d19
vst1.8 {d2}, [r3,:64], r2
vqmovun.s16 d6, q3
vst1.8 {d4}, [r3,:64], r2
vst1.8 {d6}, [r3,:64], r2
bx lr
endfunc
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]
vsub.f32 q2, q0, q1
vadd.f32 q1, q0, q1
vst1.32 {q2},[r1,:128]!
vst1.32 {q1},[r0,:128]!
subs r2, r2, #4
bgt 1b
bx lr
endfunc
function ff_scalarproduct_float_neon, export=1
vmov.f32 q2, #0.0
1: vld1.32 {q0},[r0,:128]!
vld1.32 {q1},[r1,:128]!
vmla.f32 q2, q0, q1
subs r2, r2, #4
bgt 1b
vadd.f32 d0, d4, d5
vpadd.f32 d0, d0, d0
NOVFP vmov.32 r0, d0[0]
bx lr
endfunc
function ff_vector_clipf_neon, export=1
VFP vdup.32 q1, d0[1]
VFP vdup.32 q0, d0[0]
NOVFP vdup.32 q0, r2
NOVFP vdup.32 q1, r3
NOVFP ldr r2, [sp]
vld1.f32 {q2},[r1,:128]!
vmin.f32 q10, q2, q1
vld1.f32 {q3},[r1,:128]!
vmin.f32 q11, q3, q1
1: vmax.f32 q8, q10, q0
vmax.f32 q9, q11, q0
subs r2, r2, #8
beq 2f
vld1.f32 {q2},[r1,:128]!
vmin.f32 q10, q2, q1
vld1.f32 {q3},[r1,:128]!
vmin.f32 q11, q3, q1
vst1.f32 {q8},[r0,:128]!
vst1.f32 {q9},[r0,:128]!
b 1b
2: vst1.f32 {q8},[r0,:128]!
vst1.f32 {q9},[r0,:128]!
bx lr
endfunc
function ff_apply_window_int16_neon, export=1
push {r4,lr}
add r4, r1, r3, lsl #1
add lr, r0, r3, lsl #1
sub r4, r4, #16
sub lr, lr, #16
mov r12, #-16
1:
vld1.16 {q0}, [r1,:128]!
vld1.16 {q2}, [r2,:128]!
vld1.16 {q1}, [r4,:128], r12
vrev64.16 q3, q2
vqrdmulh.s16 q0, q0, q2
vqrdmulh.s16 d2, d2, d7
vqrdmulh.s16 d3, d3, d6
vst1.16 {q0}, [r0,:128]!
vst1.16 {q1}, [lr,:128], r12
subs r3, r3, #16
bgt 1b
pop {r4,pc}
endfunc
function ff_vector_clip_int32_neon, export=1
vdup.32 q0, r2
vdup.32 q1, r3
ldr r2, [sp]
1:
vld1.32 {q2-q3}, [r1,:128]!
vmin.s32 q2, q2, q1
vmin.s32 q3, q3, q1
vmax.s32 q2, q2, q0
vmax.s32 q3, q3, q0
vst1.32 {q2-q3}, [r0,:128]!
subs r2, r2, #8
bgt 1b
bx lr
endfunc
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