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FFmpeg/libavcodec/arm/dsputil_neon_s.S

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/*
* ARM NEON optimised DSP functions
* Copyright (c) 2008 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 "asm.S"
preserve8
.fpu neon
.text
.macro pixels16 avg=0
.if \avg
mov ip, r0
.endif
1: vld1.64 {d0, d1}, [r1], r2
vld1.64 {d2, d3}, [r1], r2
vld1.64 {d4, d5}, [r1], r2
pld [r1, r2, lsl #2]
vld1.64 {d6, d7}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
.if \avg
vld1.64 {d16,d17}, [ip], r2
vrhadd.u8 q0, q0, q8
vld1.64 {d18,d19}, [ip], r2
vrhadd.u8 q1, q1, q9
vld1.64 {d20,d21}, [ip], r2
vrhadd.u8 q2, q2, q10
vld1.64 {d22,d23}, [ip], r2
vrhadd.u8 q3, q3, q11
.endif
subs r3, r3, #4
vst1.64 {d0, d1}, [r0,:128], r2
vst1.64 {d2, d3}, [r0,:128], r2
vst1.64 {d4, d5}, [r0,:128], r2
vst1.64 {d6, d7}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_x2 vhadd=vrhadd.u8
1: vld1.64 {d0-d2}, [r1], r2
vld1.64 {d4-d6}, [r1], r2
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vext.8 q1, q0, q1, #1
\vhadd q0, q0, q1
vext.8 q3, q2, q3, #1
\vhadd q2, q2, q3
vst1.64 {d0, d1}, [r0,:128], r2
vst1.64 {d4, d5}, [r0,:128], r2
bne 1b
bx lr
.endm
.macro pixels16_y2 vhadd=vrhadd.u8
push {lr}
add ip, r1, r2
lsl lr, r2, #1
vld1.64 {d0, d1}, [r1], lr
vld1.64 {d2, d3}, [ip], lr
1: subs r3, r3, #2
\vhadd q2, q0, q1
vld1.64 {d0, d1}, [r1], lr
\vhadd q3, q0, q1
vld1.64 {d2, d3}, [ip], lr
pld [r1]
pld [ip]
vst1.64 {d4, d5}, [r0,:128], r2
vst1.64 {d6, d7}, [r0,:128], r2
bne 1b
pop {pc}
.endm
.macro pixels16_xy2 vshrn=vrshrn.u16 no_rnd=0
push {lr}
lsl lr, r2, #1
add ip, r1, r2
vld1.64 {d0-d2}, [r1], lr
vld1.64 {d4-d6}, [ip], lr
.if \no_rnd
vmov.i16 q13, #1
.endif
pld [r1]
pld [ip]
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
vld1.64 {d0-d2}, [r1], lr
vadd.u16 q12, q8, q9
pld [r1]
.if \no_rnd
vadd.u16 q12, q12, q13
.endif
vext.8 q15, q0, q1, #1
vadd.u16 q1 , q10, q11
\vshrn d28, q12, #2
.if \no_rnd
vadd.u16 q1, q1, q13
.endif
\vshrn d29, q1, #2
vaddl.u8 q8, d0, d30
vld1.64 {d2-d4}, [ip], lr
vaddl.u8 q10, d1, d31
vst1.64 {d28,d29}, [r0,:128], r2
vadd.u16 q12, q8, q9
pld [ip]
.if \no_rnd
vadd.u16 q12, q12, q13
.endif
vext.8 q2, q1, q2, #1
vadd.u16 q0, q10, q11
\vshrn d30, q12, #2
.if \no_rnd
vadd.u16 q0, q0, q13
.endif
\vshrn d31, q0, #2
vaddl.u8 q9, d2, d4
vaddl.u8 q11, d3, d5
vst1.64 {d30,d31}, [r0,:128], r2
bgt 1b
pop {pc}
.endm
.macro pixels8
1: vld1.64 {d0}, [r1], r2
vld1.64 {d1}, [r1], r2
vld1.64 {d2}, [r1], r2
pld [r1, r2, lsl #2]
vld1.64 {d3}, [r1], r2
pld [r1]
pld [r1, r2]
pld [r1, r2, lsl #1]
subs r3, r3, #4
vst1.64 {d0}, [r0,:64], r2
vst1.64 {d1}, [r0,:64], r2
vst1.64 {d2}, [r0,:64], r2
vst1.64 {d3}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_x2 vhadd=vrhadd.u8
1: vld1.64 {d0, d1}, [r1], r2
vext.8 d1, d0, d1, #1
vld1.64 {d2, d3}, [r1], r2
vext.8 d3, d2, d3, #1
pld [r1]
pld [r1, r2]
subs r3, r3, #2
vswp d1, d2
\vhadd q0, q0, q1
vst1.64 {d0}, [r0,:64], r2
vst1.64 {d1}, [r0,:64], r2
bne 1b
bx lr
.endm
.macro pixels8_y2 vhadd=vrhadd.u8
push {lr}
add ip, r1, r2
lsl lr, r2, #1
vld1.64 {d0}, [r1], lr
vld1.64 {d1}, [ip], lr
1: subs r3, r3, #2
\vhadd d4, d0, d1
vld1.64 {d0}, [r1], lr
\vhadd d5, d0, d1
vld1.64 {d1}, [ip], lr
pld [r1]
pld [ip]
vst1.64 {d4}, [r0,:64], r2
vst1.64 {d5}, [r0,:64], r2
bne 1b
pop {pc}
.endm
.macro pixels8_xy2 vshrn=vrshrn.u16 no_rnd=0
push {lr}
lsl lr, r2, #1
add ip, r1, r2
vld1.64 {d0, d1}, [r1], lr
vld1.64 {d2, d3}, [ip], lr
.if \no_rnd
vmov.i16 q11, #1
.endif
pld [r1]
pld [ip]
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
vld1.64 {d0, d1}, [r1], lr
pld [r1]
vadd.u16 q10, q8, q9
vext.8 d4, d0, d1, #1
.if \no_rnd
vadd.u16 q10, q10, q11
.endif
vaddl.u8 q8, d0, d4
\vshrn d5, q10, #2
vld1.64 {d2, d3}, [ip], lr
vadd.u16 q10, q8, q9
pld [ip]
.if \no_rnd
vadd.u16 q10, q10, q11
.endif
vst1.64 {d5}, [r0,:64], r2
\vshrn d7, q10, #2
vext.8 d6, d2, d3, #1
vaddl.u8 q9, d2, d6
vst1.64 {d7}, [r0,:64], r2
bgt 1b
pop {pc}
.endm
.macro pixfunc pfx name suf rnd_op args:vararg
function ff_\pfx\name\suf\()_neon, export=1
\name \rnd_op \args
.endfunc
.endm
.macro pixfunc2 pfx name args:vararg
pixfunc \pfx \name
pixfunc \pfx \name \args
.endm
function ff_put_h264_qpel16_mc00_neon, export=1
mov r3, #16
.endfunc
pixfunc put_ pixels16
pixfunc2 put_ pixels16_x2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels16_y2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels16_xy2, _no_rnd, vshrn.u16, 1
function ff_avg_h264_qpel16_mc00_neon, export=1
mov r3, #16
.endfunc
pixfunc avg_ pixels16,, 1
function ff_put_h264_qpel8_mc00_neon, export=1
mov r3, #8
.endfunc
pixfunc put_ pixels8
pixfunc2 put_ pixels8_x2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8
pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1
function ff_float_to_int16_neon, export=1
subs r2, r2, #8
vld1.64 {d0-d1}, [r1,:128]!
vcvt.s32.f32 q8, q0, #16
vld1.64 {d2-d3}, [r1,:128]!
vcvt.s32.f32 q9, q1, #16
beq 3f
bics ip, r2, #15
beq 2f
1: subs ip, ip, #16
vshrn.s32 d4, q8, #16
vld1.64 {d0-d1}, [r1,:128]!
vcvt.s32.f32 q0, q0, #16
vshrn.s32 d5, q9, #16
vld1.64 {d2-d3}, [r1,:128]!
vcvt.s32.f32 q1, q1, #16
vshrn.s32 d6, q0, #16
vst1.64 {d4-d5}, [r0,:128]!
vshrn.s32 d7, q1, #16
vld1.64 {d16-d17},[r1,:128]!
vcvt.s32.f32 q8, q8, #16
vld1.64 {d18-d19},[r1,:128]!
vcvt.s32.f32 q9, q9, #16
vst1.64 {d6-d7}, [r0,:128]!
bne 1b
ands r2, r2, #15
beq 3f
2: vld1.64 {d0-d1}, [r1,:128]!
vshrn.s32 d4, q8, #16
vcvt.s32.f32 q0, q0, #16
vld1.64 {d2-d3}, [r1,:128]!
vshrn.s32 d5, q9, #16
vcvt.s32.f32 q1, q1, #16
vshrn.s32 d6, q0, #16
vst1.64 {d4-d5}, [r0,:128]!
vshrn.s32 d7, q1, #16
vst1.64 {d6-d7}, [r0,:128]!
bx lr
3: vshrn.s32 d4, q8, #16
vshrn.s32 d5, q9, #16
vst1.64 {d4-d5}, [r0,:128]!
bx lr
.endfunc
function ff_float_to_int16_interleave_neon, export=1
cmp r3, #2
ldrlt r1, [r1]
blt ff_float_to_int16_neon
bne 4f
ldr r3, [r1]
ldr r1, [r1, #4]
subs r2, r2, #8
vld1.64 {d0-d1}, [r3,:128]!
vcvt.s32.f32 q8, q0, #16
vld1.64 {d2-d3}, [r3,:128]!
vcvt.s32.f32 q9, q1, #16
vld1.64 {d20-d21},[r1,:128]!
vcvt.s32.f32 q10, q10, #16
vld1.64 {d22-d23},[r1,:128]!
vcvt.s32.f32 q11, q11, #16
beq 3f
bics ip, r2, #15
beq 2f
1: subs ip, ip, #16
vld1.64 {d0-d1}, [r3,:128]!
vcvt.s32.f32 q0, q0, #16
vsri.32 q10, q8, #16
vld1.64 {d2-d3}, [r3,:128]!
vcvt.s32.f32 q1, q1, #16
vld1.64 {d24-d25},[r1,:128]!
vcvt.s32.f32 q12, q12, #16
vld1.64 {d26-d27},[r1,:128]!
vsri.32 q11, q9, #16
vst1.64 {d20-d21},[r0,:128]!
vcvt.s32.f32 q13, q13, #16
vst1.64 {d22-d23},[r0,:128]!
vsri.32 q12, q0, #16
vld1.64 {d16-d17},[r3,:128]!
vsri.32 q13, q1, #16
vst1.64 {d24-d25},[r0,:128]!
vcvt.s32.f32 q8, q8, #16
vld1.64 {d18-d19},[r3,:128]!
vcvt.s32.f32 q9, q9, #16
vld1.64 {d20-d21},[r1,:128]!
vcvt.s32.f32 q10, q10, #16
vld1.64 {d22-d23},[r1,:128]!
vcvt.s32.f32 q11, q11, #16
vst1.64 {d26-d27},[r0,:128]!
bne 1b
ands r2, r2, #15
beq 3f
2: vsri.32 q10, q8, #16
vld1.64 {d0-d1}, [r3,:128]!
vcvt.s32.f32 q0, q0, #16
vld1.64 {d2-d3}, [r3,:128]!
vcvt.s32.f32 q1, q1, #16
vld1.64 {d24-d25},[r1,:128]!
vcvt.s32.f32 q12, q12, #16
vsri.32 q11, q9, #16
vld1.64 {d26-d27},[r1,:128]!
vcvt.s32.f32 q13, q13, #16
vst1.64 {d20-d21},[r0,:128]!
vsri.32 q12, q0, #16
vst1.64 {d22-d23},[r0,:128]!
vsri.32 q13, q1, #16
vst1.64 {d24-d27},[r0,:128]!
bx lr
3: vsri.32 q10, q8, #16
vsri.32 q11, q9, #16
vst1.64 {d20-d23},[r0,:128]!
bx lr
4: push {r4-r8,lr}
cmp r3, #4
lsl ip, r3, #1
blt 4f
@ 4 channels
5: ldmia r1!, {r4-r7}
mov lr, r2
mov r8, r0
vld1.64 {d16-d17},[r4,:128]!
vcvt.s32.f32 q8, q8, #16
vld1.64 {d18-d19},[r5,:128]!
vcvt.s32.f32 q9, q9, #16
vld1.64 {d20-d21},[r6,:128]!
vcvt.s32.f32 q10, q10, #16
vld1.64 {d22-d23},[r7,:128]!
vcvt.s32.f32 q11, q11, #16
6: subs lr, lr, #8
vld1.64 {d0-d1}, [r4,:128]!
vcvt.s32.f32 q0, q0, #16
vsri.32 q9, q8, #16
vld1.64 {d2-d3}, [r5,:128]!
vcvt.s32.f32 q1, q1, #16
vsri.32 q11, q10, #16
vld1.64 {d4-d5}, [r6,:128]!
vcvt.s32.f32 q2, q2, #16
vzip.32 d18, d22
vld1.64 {d6-d7}, [r7,:128]!
vcvt.s32.f32 q3, q3, #16
vzip.32 d19, d23
vst1.64 {d18}, [r8], ip
vsri.32 q1, q0, #16
vst1.64 {d22}, [r8], ip
vsri.32 q3, q2, #16
vst1.64 {d19}, [r8], ip
vzip.32 d2, d6
vst1.64 {d23}, [r8], ip
vzip.32 d3, d7
beq 7f
vld1.64 {d16-d17},[r4,:128]!
vcvt.s32.f32 q8, q8, #16
vst1.64 {d2}, [r8], ip
vld1.64 {d18-d19},[r5,:128]!
vcvt.s32.f32 q9, q9, #16
vst1.64 {d6}, [r8], ip
vld1.64 {d20-d21},[r6,:128]!
vcvt.s32.f32 q10, q10, #16
vst1.64 {d3}, [r8], ip
vld1.64 {d22-d23},[r7,:128]!
vcvt.s32.f32 q11, q11, #16
vst1.64 {d7}, [r8], ip
b 6b
7: vst1.64 {d2}, [r8], ip
vst1.64 {d6}, [r8], ip
vst1.64 {d3}, [r8], ip
vst1.64 {d7}, [r8], ip
subs r3, r3, #4
popeq {r4-r8,pc}
cmp r3, #4
add r0, r0, #8
bge 5b
@ 2 channels
4: cmp r3, #2
blt 4f
ldmia r1!, {r4-r5}
mov lr, r2
mov r8, r0
tst lr, #8
vld1.64 {d16-d17},[r4,:128]!
vcvt.s32.f32 q8, q8, #16
vld1.64 {d18-d19},[r5,:128]!
vcvt.s32.f32 q9, q9, #16
vld1.64 {d20-d21},[r4,:128]!
vcvt.s32.f32 q10, q10, #16
vld1.64 {d22-d23},[r5,:128]!
vcvt.s32.f32 q11, q11, #16
beq 6f
subs lr, lr, #8
beq 7f
vsri.32 d18, d16, #16
vsri.32 d19, d17, #16
vld1.64 {d16-d17},[r4,:128]!
vcvt.s32.f32 q8, q8, #16
vst1.32 {d18[0]}, [r8], ip
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], ip
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], ip
vst1.32 {d19[1]}, [r8], ip
vld1.64 {d18-d19},[r5,:128]!
vcvt.s32.f32 q9, q9, #16
vst1.32 {d22[0]}, [r8], ip
vst1.32 {d22[1]}, [r8], ip
vld1.64 {d20-d21},[r4,:128]!
vcvt.s32.f32 q10, q10, #16
vst1.32 {d23[0]}, [r8], ip
vst1.32 {d23[1]}, [r8], ip
vld1.64 {d22-d23},[r5,:128]!
vcvt.s32.f32 q11, q11, #16
6: subs lr, lr, #16
vld1.64 {d0-d1}, [r4,:128]!
vcvt.s32.f32 q0, q0, #16
vsri.32 d18, d16, #16
vld1.64 {d2-d3}, [r5,:128]!
vcvt.s32.f32 q1, q1, #16
vsri.32 d19, d17, #16
vld1.64 {d4-d5}, [r4,:128]!
vcvt.s32.f32 q2, q2, #16
vld1.64 {d6-d7}, [r5,:128]!
vcvt.s32.f32 q3, q3, #16
vst1.32 {d18[0]}, [r8], ip
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], ip
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], ip
vsri.32 d2, d0, #16
vst1.32 {d19[1]}, [r8], ip
vsri.32 d3, d1, #16
vst1.32 {d22[0]}, [r8], ip
vsri.32 d6, d4, #16
vst1.32 {d22[1]}, [r8], ip
vsri.32 d7, d5, #16
vst1.32 {d23[0]}, [r8], ip
vst1.32 {d23[1]}, [r8], ip
beq 6f
vld1.64 {d16-d17},[r4,:128]!
vcvt.s32.f32 q8, q8, #16
vst1.32 {d2[0]}, [r8], ip
vst1.32 {d2[1]}, [r8], ip
vld1.64 {d18-d19},[r5,:128]!
vcvt.s32.f32 q9, q9, #16
vst1.32 {d3[0]}, [r8], ip
vst1.32 {d3[1]}, [r8], ip
vld1.64 {d20-d21},[r4,:128]!
vcvt.s32.f32 q10, q10, #16
vst1.32 {d6[0]}, [r8], ip
vst1.32 {d6[1]}, [r8], ip
vld1.64 {d22-d23},[r5,:128]!
vcvt.s32.f32 q11, q11, #16
vst1.32 {d7[0]}, [r8], ip
vst1.32 {d7[1]}, [r8], ip
bgt 6b
6: vst1.32 {d2[0]}, [r8], ip
vst1.32 {d2[1]}, [r8], ip
vst1.32 {d3[0]}, [r8], ip
vst1.32 {d3[1]}, [r8], ip
vst1.32 {d6[0]}, [r8], ip
vst1.32 {d6[1]}, [r8], ip
vst1.32 {d7[0]}, [r8], ip
vst1.32 {d7[1]}, [r8], ip
b 8f
7: vsri.32 d18, d16, #16
vsri.32 d19, d17, #16
vst1.32 {d18[0]}, [r8], ip
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], ip
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], ip
vst1.32 {d19[1]}, [r8], ip
vst1.32 {d22[0]}, [r8], ip
vst1.32 {d22[1]}, [r8], ip
vst1.32 {d23[0]}, [r8], ip
vst1.32 {d23[1]}, [r8], ip
8: subs r3, r3, #2
add r0, r0, #4
popeq {r4-r8,pc}
@ 1 channel
4: ldr r4, [r1],#4
tst r2, #8
mov lr, r2
mov r5, r0
vld1.64 {d0-d1}, [r4,:128]!
vcvt.s32.f32 q0, q0, #16
vld1.64 {d2-d3}, [r4,:128]!
vcvt.s32.f32 q1, q1, #16
bne 8f
6: subs lr, lr, #16
vld1.64 {d4-d5}, [r4,:128]!
vcvt.s32.f32 q2, q2, #16
vld1.64 {d6-d7}, [r4,:128]!
vcvt.s32.f32 q3, q3, #16
vst1.16 {d0[1]}, [r5,:16], ip
vst1.16 {d0[3]}, [r5,:16], ip
vst1.16 {d1[1]}, [r5,:16], ip
vst1.16 {d1[3]}, [r5,:16], ip
vst1.16 {d2[1]}, [r5,:16], ip
vst1.16 {d2[3]}, [r5,:16], ip
vst1.16 {d3[1]}, [r5,:16], ip
vst1.16 {d3[3]}, [r5,:16], ip
beq 7f
vld1.64 {d0-d1}, [r4,:128]!
vcvt.s32.f32 q0, q0, #16
vld1.64 {d2-d3}, [r4,:128]!
vcvt.s32.f32 q1, q1, #16
7: vst1.16 {d4[1]}, [r5,:16], ip
vst1.16 {d4[3]}, [r5,:16], ip
vst1.16 {d5[1]}, [r5,:16], ip
vst1.16 {d5[3]}, [r5,:16], ip
vst1.16 {d6[1]}, [r5,:16], ip
vst1.16 {d6[3]}, [r5,:16], ip
vst1.16 {d7[1]}, [r5,:16], ip
vst1.16 {d7[3]}, [r5,:16], ip
bgt 6b
pop {r4-r8,pc}
8: subs lr, lr, #8
vst1.16 {d0[1]}, [r5,:16], ip
vst1.16 {d0[3]}, [r5,:16], ip
vst1.16 {d1[1]}, [r5,:16], ip
vst1.16 {d1[3]}, [r5,:16], ip
vst1.16 {d2[1]}, [r5,:16], ip
vst1.16 {d2[3]}, [r5,:16], ip
vst1.16 {d3[1]}, [r5,:16], ip
vst1.16 {d3[3]}, [r5,:16], ip
popeq {r4-r8,pc}
vld1.64 {d0-d1}, [r4,:128]!
vcvt.s32.f32 q0, q0, #16
vld1.64 {d2-d3}, [r4,:128]!
vcvt.s32.f32 q1, q1, #16
b 6b
.endfunc