94d2b0d2fd
This will allow for easier implementation of ARM-optimized functions in libraries other than libavcodec.
273 lines
9.7 KiB
ArmAsm
273 lines
9.7 KiB
ArmAsm
/*
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* Copyright (c) 2012 Mans Rullgard
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/arm/asm.S"
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function ff_ps_add_squares_neon, export=1
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mov r3, r0
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sub r2, r2, #4
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vld1.32 {q0}, [r1,:128]!
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vmul.f32 q0, q0, q0
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vld1.32 {q2}, [r1,:128]!
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vmul.f32 q2, q2, q2
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vld1.32 {q1}, [r0,:128]!
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1:
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vpadd.f32 d6, d0, d1
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vld1.32 {q0}, [r1,:128]!
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vpadd.f32 d7, d4, d5
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vmul.f32 q0, q0, q0
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vld1.32 {q2}, [r1,:128]!
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vadd.f32 q3, q1, q3
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vld1.32 {q1}, [r0,:128]!
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vmul.f32 q2, q2, q2
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vst1.32 {q3}, [r3,:128]!
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subs r2, r2, #4
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bgt 1b
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vpadd.f32 d6, d0, d1
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vpadd.f32 d7, d4, d5
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vadd.f32 q1, q1, q3
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vst1.32 {q1}, [r3,:128]!
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bx lr
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endfunc
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function ff_ps_mul_pair_single_neon, export=1
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sub r3, r3, #4
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tst r1, #8
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bne 2f
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vld1.32 {q0}, [r1,:128]!
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1:
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vld1.32 {q3}, [r2,:128]!
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vmul.f32 d4, d0, d6[0]
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vmul.f32 d5, d1, d6[1]
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vld1.32 {q1}, [r1,:128]!
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vmul.f32 d6, d2, d7[0]
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vmul.f32 d7, d3, d7[1]
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vld1.32 {q0}, [r1,:128]!
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vst1.32 {q2,q3}, [r0,:128]!
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subs r3, r3, #4
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bgt 1b
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vld1.32 {q3}, [r2,:128]!
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vmul.f32 d4, d0, d6[0]
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vmul.f32 d5, d1, d6[1]
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vld1.32 {q1}, [r1,:128]!
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vmul.f32 d6, d2, d7[0]
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vmul.f32 d7, d3, d7[1]
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vst1.32 {q2,q3}, [r0,:128]!
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bx lr
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2:
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vld1.32 {d0}, [r1,:64]!
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vld1.32 {d1,d2}, [r1,:128]!
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1:
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vld1.32 {q3}, [r2,:128]!
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vmul.f32 d4, d0, d6[0]
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vmul.f32 d5, d1, d6[1]
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vld1.32 {d0,d1}, [r1,:128]!
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vmul.f32 d6, d2, d7[0]
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vmul.f32 d7, d0, d7[1]
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vmov d0, d1
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vld1.32 {d1,d2}, [r1,:128]!
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vst1.32 {q2,q3}, [r0,:128]!
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subs r3, r3, #4
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bgt 1b
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vld1.32 {q3}, [r2,:128]!
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vmul.f32 d4, d0, d6[0]
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vmul.f32 d5, d1, d6[1]
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vld1.32 {d0}, [r1,:64]!
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vmul.f32 d6, d2, d7[0]
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vmul.f32 d7, d0, d7[1]
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vst1.32 {q2,q3}, [r0,:128]!
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bx lr
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endfunc
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function ff_ps_hybrid_synthesis_deint_neon, export=1
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push {r4-r8,lr}
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add r0, r0, r2, lsl #2
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add r1, r1, r2, lsl #5+1+2
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rsb r2, r2, #64
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mov r5, #64*4
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mov lr, r0
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add r4, r0, #38*64*4
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mov r12, r3
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2:
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vld1.32 {d0,d1}, [r1,:128]!
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vst1.32 {d0[0]}, [lr,:32], r5
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vst1.32 {d0[1]}, [r4,:32], r5
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vst1.32 {d1[0]}, [lr,:32], r5
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vst1.32 {d1[1]}, [r4,:32], r5
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subs r12, r12, #2
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bgt 2b
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add r0, r0, #4
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sub r2, r2, #1
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tst r2, #2
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bne 6f
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1:
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mov lr, r0
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add r4, r0, #38*64*4
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add r6, r1, # 32*2*4
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add r7, r1, #2*32*2*4
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add r8, r1, #3*32*2*4
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mov r12, r3
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2:
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vld1.32 {d0,d1}, [r1,:128]!
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vld1.32 {d2,d3}, [r6,:128]!
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vld1.32 {d4,d5}, [r7,:128]!
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vld1.32 {d6,d7}, [r8,:128]!
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vst4.32 {d0[0],d2[0],d4[0],d6[0]}, [lr,:128], r5
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vst4.32 {d0[1],d2[1],d4[1],d6[1]}, [r4,:128], r5
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vst4.32 {d1[0],d3[0],d5[0],d7[0]}, [lr,:128], r5
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vst4.32 {d1[1],d3[1],d5[1],d7[1]}, [r4,:128], r5
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subs r12, r12, #2
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bgt 2b
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add r0, r0, #16
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add r1, r1, #3*32*2*4
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subs r2, r2, #4
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bgt 1b
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pop {r4-r8,pc}
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6:
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mov lr, r0
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add r4, r0, #38*64*4
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add r6, r1, #32*2*4
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mov r12, r3
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2:
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vld1.32 {d0,d1}, [r1,:128]!
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vld1.32 {d2,d3}, [r6,:128]!
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vst2.32 {d0[0],d2[0]}, [lr,:64], r5
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vst2.32 {d0[1],d2[1]}, [r4,:64], r5
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vst2.32 {d1[0],d3[0]}, [lr,:64], r5
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vst2.32 {d1[1],d3[1]}, [r4,:64], r5
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subs r12, r12, #2
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bgt 2b
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add r0, r0, #8
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add r1, r1, #32*2*4
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sub r2, r2, #2
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b 1b
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endfunc
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function ff_ps_hybrid_analysis_neon, export=1
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vldm r1, {d19-d31}
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ldr r12, [sp]
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lsl r3, r3, #3
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vadd.f32 d16, d19, d31
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vadd.f32 d17, d20, d30
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vsub.f32 d18, d19, d31
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vsub.f32 d19, d20, d30
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vsub.f32 d0, d21, d29
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vsub.f32 d1, d22, d28
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vadd.f32 d2, d21, d29
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vadd.f32 d3, d22, d28
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vadd.f32 d20, d23, d27
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vadd.f32 d21, d24, d26
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vsub.f32 d22, d23, d27
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vsub.f32 d23, d24, d26
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vmov.i32 d6, #1<<31
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vmov.i32 d7, #0
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vmov.f32 q14, #0.0
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vmov.f32 q15, #0.0
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vtrn.32 d6, d7
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vrev64.32 q9, q9
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vrev64.32 q0, q0
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vrev64.32 q11, q11
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veor q9, q9, q3
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veor q0, q0, q3
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veor q11, q11, q3
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vld1.32 {q13}, [r2,:128]!
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vtrn.32 q8, q9
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vtrn.32 q1, q0
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vtrn.32 q10, q11
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sub r12, r12, #1
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vmla.f32 q14, q8, q13
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vld1.32 {q2}, [r2,:128]!
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vmla.f32 q15, q9, q13
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1:
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vmla.f32 q14, q1, q2
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vld1.32 {q13}, [r2,:128]!
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vmla.f32 q15, q0, q2
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vmla.f32 q14, q10, q13
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vld1.32 {q2}, [r2,:128]!
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vmla.f32 q15, q11, q13
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vld1.32 {q13}, [r2,:128]!
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vadd.f32 d6, d28, d29
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vadd.f32 d7, d30, d31
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vmov.f32 q14, #0.0
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vmov.f32 q15, #0.0
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vmla.f32 q14, q8, q13
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vpadd.f32 d6, d6, d7
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vmla.f32 q15, q9, q13
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vmla.f32 d6, d25, d4[0]
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vld1.32 {q2}, [r2,:128]!
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vst1.32 {d6}, [r0,:64], r3
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subs r12, r12, #1
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bgt 1b
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vmla.f32 q14, q1, q2
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vld1.32 {q13}, [r2,:128]!
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vmla.f32 q15, q0, q2
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vmla.f32 q14, q10, q13
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vld1.32 {q2}, [r2,:128]!
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vmla.f32 q15, q11, q13
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vadd.f32 d6, d28, d29
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vadd.f32 d7, d30, d31
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vpadd.f32 d6, d6, d7
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vmla.f32 d6, d25, d4[0]
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vst1.32 {d6}, [r0,:64], r3
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bx lr
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endfunc
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function ff_ps_stereo_interpolate_neon, export=1
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vld1.32 {q0}, [r2]
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vld1.32 {q14}, [r3]
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vadd.f32 q15, q14, q14
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mov r2, r0
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mov r3, r1
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ldr r12, [sp]
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vadd.f32 q1, q0, q14
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vadd.f32 q0, q0, q15
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vld1.32 {q2}, [r0,:64]!
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vld1.32 {q3}, [r1,:64]!
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subs r12, r12, #1
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beq 2f
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1:
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vmul.f32 d16, d4, d2[0]
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vmul.f32 d17, d5, d0[0]
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vmul.f32 d18, d4, d2[1]
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vmul.f32 d19, d5, d0[1]
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vmla.f32 d16, d6, d3[0]
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vmla.f32 d17, d7, d1[0]
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vmla.f32 d18, d6, d3[1]
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vmla.f32 d19, d7, d1[1]
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vadd.f32 q1, q1, q15
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vadd.f32 q0, q0, q15
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vld1.32 {q2}, [r0,:64]!
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vld1.32 {q3}, [r1,:64]!
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vst1.32 {q8}, [r2,:64]!
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vst1.32 {q9}, [r3,:64]!
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subs r12, r12, #2
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bgt 1b
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it lt
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bxlt lr
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2:
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vmul.f32 d16, d4, d2[0]
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vmul.f32 d18, d4, d2[1]
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vmla.f32 d16, d6, d3[0]
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vmla.f32 d18, d6, d3[1]
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vst1.32 {d16}, [r2,:64]!
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vst1.32 {d18}, [r3,:64]!
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bx lr
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endfunc
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