|
- /*
- * 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 "config.h"
- #include "asm.S"
-
- preserve8
- .text
-
- 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 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,:128], r2
- vrhadd.u8 q0, q0, q8
- vld1.64 {d18,d19}, [ip,:128], r2
- vrhadd.u8 q1, q1, q9
- vld1.64 {d20,d21}, [ip,:128], r2
- vrhadd.u8 q2, q2, q10
- vld1.64 {d22,d23}, [ip,:128], 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
- vld1.64 {d0, d1}, [r1], r2
- vld1.64 {d2, d3}, [r1], r2
- 1: subs r3, r3, #2
- \vhadd q2, q0, q1
- vld1.64 {d0, d1}, [r1], r2
- \vhadd q3, q0, q1
- vld1.64 {d2, d3}, [r1], r2
- pld [r1]
- pld [r1, r2]
- vst1.64 {d4, d5}, [r0,:128], r2
- vst1.64 {d6, d7}, [r0,:128], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels16_xy2 vshrn=vrshrn.u16 no_rnd=0
- vld1.64 {d0-d2}, [r1], r2
- vld1.64 {d4-d6}, [r1], r2
- .if \no_rnd
- vmov.i16 q13, #1
- .endif
- 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
- vld1.64 {d0-d2}, [r1], r2
- 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}, [r1], r2
- vaddl.u8 q10, d1, d31
- vst1.64 {d28,d29}, [r0,:128], r2
- vadd.u16 q12, q8, q9
- pld [r1, r2]
- .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
- bx lr
- .endm
-
- .macro pixels8 avg=0
- 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]
- .if \avg
- vld1.64 {d4}, [r0,:64], r2
- vrhadd.u8 d0, d0, d4
- vld1.64 {d5}, [r0,:64], r2
- vrhadd.u8 d1, d1, d5
- vld1.64 {d6}, [r0,:64], r2
- vrhadd.u8 d2, d2, d6
- vld1.64 {d7}, [r0,:64], r2
- vrhadd.u8 d3, d3, d7
- sub r0, r0, r2, lsl #2
- .endif
- 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
- vld1.64 {d0}, [r1], r2
- vld1.64 {d1}, [r1], r2
- 1: subs r3, r3, #2
- \vhadd d4, d0, d1
- vld1.64 {d0}, [r1], r2
- \vhadd d5, d0, d1
- vld1.64 {d1}, [r1], r2
- pld [r1]
- pld [r1, r2]
- vst1.64 {d4}, [r0,:64], r2
- vst1.64 {d5}, [r0,:64], r2
- bne 1b
- bx lr
- .endm
-
- .macro pixels8_xy2 vshrn=vrshrn.u16 no_rnd=0
- vld1.64 {d0, d1}, [r1], r2
- vld1.64 {d2, d3}, [r1], r2
- .if \no_rnd
- vmov.i16 q11, #1
- .endif
- 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
- vld1.64 {d0, d1}, [r1], r2
- 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}, [r1], r2
- vadd.u16 q10, q8, q9
- pld [r1, r2]
- .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
- bx lr
- .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_avg_h264_qpel8_mc00_neon, export=1
- mov r3, #8
- endfunc
-
- pixfunc avg_ pixels8,, 1
-
- function ff_put_pixels_clamped_neon, export=1
- vld1.64 {d16-d19}, [r0,:128]!
- vqmovun.s16 d0, q8
- vld1.64 {d20-d23}, [r0,:128]!
- vqmovun.s16 d1, q9
- vld1.64 {d24-d27}, [r0,:128]!
- vqmovun.s16 d2, q10
- vld1.64 {d28-d31}, [r0,:128]!
- vqmovun.s16 d3, q11
- vst1.64 {d0}, [r1,:64], r2
- vqmovun.s16 d4, q12
- vst1.64 {d1}, [r1,:64], r2
- vqmovun.s16 d5, q13
- vst1.64 {d2}, [r1,:64], r2
- vqmovun.s16 d6, q14
- vst1.64 {d3}, [r1,:64], r2
- vqmovun.s16 d7, q15
- vst1.64 {d4}, [r1,:64], r2
- vst1.64 {d5}, [r1,:64], r2
- vst1.64 {d6}, [r1,:64], r2
- vst1.64 {d7}, [r1,:64], r2
- bx lr
- endfunc
-
- function ff_put_signed_pixels_clamped_neon, export=1
- vmov.u8 d31, #128
- vld1.64 {d16-d17}, [r0,:128]!
- vqmovn.s16 d0, q8
- vld1.64 {d18-d19}, [r0,:128]!
- vqmovn.s16 d1, q9
- vld1.64 {d16-d17}, [r0,:128]!
- vqmovn.s16 d2, q8
- vld1.64 {d18-d19}, [r0,:128]!
- vadd.u8 d0, d0, d31
- vld1.64 {d20-d21}, [r0,:128]!
- vadd.u8 d1, d1, d31
- vld1.64 {d22-d23}, [r0,:128]!
- vadd.u8 d2, d2, d31
- vst1.64 {d0}, [r1,:64], r2
- vqmovn.s16 d3, q9
- vst1.64 {d1}, [r1,:64], r2
- vqmovn.s16 d4, q10
- vst1.64 {d2}, [r1,:64], r2
- vqmovn.s16 d5, q11
- vld1.64 {d24-d25}, [r0,:128]!
- vadd.u8 d3, d3, d31
- vld1.64 {d26-d27}, [r0,:128]!
- vadd.u8 d4, d4, d31
- vadd.u8 d5, d5, d31
- vst1.64 {d3}, [r1,:64], r2
- vqmovn.s16 d6, q12
- vst1.64 {d4}, [r1,:64], r2
- vqmovn.s16 d7, q13
- vst1.64 {d5}, [r1,:64], r2
- vadd.u8 d6, d6, d31
- vadd.u8 d7, d7, d31
- vst1.64 {d6}, [r1,:64], r2
- vst1.64 {d7}, [r1,:64], r2
- bx lr
- endfunc
-
- function ff_add_pixels_clamped_neon, export=1
- mov r3, r1
- vld1.64 {d16}, [r1,:64], r2
- vld1.64 {d0-d1}, [r0,:128]!
- vaddw.u8 q0, q0, d16
- vld1.64 {d17}, [r1,:64], r2
- vld1.64 {d2-d3}, [r0,:128]!
- vqmovun.s16 d0, q0
- vld1.64 {d18}, [r1,:64], r2
- vaddw.u8 q1, q1, d17
- vld1.64 {d4-d5}, [r0,:128]!
- vaddw.u8 q2, q2, d18
- vst1.64 {d0}, [r3,:64], r2
- vqmovun.s16 d2, q1
- vld1.64 {d19}, [r1,:64], r2
- vld1.64 {d6-d7}, [r0,:128]!
- vaddw.u8 q3, q3, d19
- vqmovun.s16 d4, q2
- vst1.64 {d2}, [r3,:64], r2
- vld1.64 {d16}, [r1,:64], r2
- vqmovun.s16 d6, q3
- vld1.64 {d0-d1}, [r0,:128]!
- vaddw.u8 q0, q0, d16
- vst1.64 {d4}, [r3,:64], r2
- vld1.64 {d17}, [r1,:64], r2
- vld1.64 {d2-d3}, [r0,:128]!
- vaddw.u8 q1, q1, d17
- vst1.64 {d6}, [r3,:64], r2
- vqmovun.s16 d0, q0
- vld1.64 {d18}, [r1,:64], r2
- vld1.64 {d4-d5}, [r0,:128]!
- vaddw.u8 q2, q2, d18
- vst1.64 {d0}, [r3,:64], r2
- vqmovun.s16 d2, q1
- vld1.64 {d19}, [r1,:64], r2
- vqmovun.s16 d4, q2
- vld1.64 {d6-d7}, [r0,:128]!
- vaddw.u8 q3, q3, d19
- vst1.64 {d2}, [r3,:64], r2
- vqmovun.s16 d6, q3
- vst1.64 {d4}, [r3,:64], r2
- vst1.64 {d6}, [r3,:64], r2
- bx lr
- endfunc
-
- function ff_vector_fmul_neon, export=1
- subs r3, r3, #8
- vld1.64 {d0-d3}, [r1,:128]!
- vld1.64 {d4-d7}, [r2,:128]!
- vmul.f32 q8, q0, q2
- vmul.f32 q9, q1, q3
- beq 3f
- bics ip, r3, #15
- beq 2f
- 1: subs ip, ip, #16
- vld1.64 {d0-d1}, [r1,:128]!
- vld1.64 {d4-d5}, [r2,:128]!
- vmul.f32 q10, q0, q2
- vld1.64 {d2-d3}, [r1,:128]!
- vld1.64 {d6-d7}, [r2,:128]!
- vmul.f32 q11, q1, q3
- vst1.64 {d16-d19},[r0,:128]!
- vld1.64 {d0-d1}, [r1,:128]!
- vld1.64 {d4-d5}, [r2,:128]!
- vmul.f32 q8, q0, q2
- vld1.64 {d2-d3}, [r1,:128]!
- vld1.64 {d6-d7}, [r2,:128]!
- vmul.f32 q9, q1, q3
- vst1.64 {d20-d23},[r0,:128]!
- bne 1b
- ands r3, r3, #15
- beq 3f
- 2: vld1.64 {d0-d1}, [r1,:128]!
- vld1.64 {d4-d5}, [r2,:128]!
- vst1.64 {d16-d17},[r0,:128]!
- vmul.f32 q8, q0, q2
- vld1.64 {d2-d3}, [r1,:128]!
- vld1.64 {d6-d7}, [r2,:128]!
- vst1.64 {d18-d19},[r0,:128]!
- vmul.f32 q9, q1, q3
- 3: vst1.64 {d16-d19},[r0,:128]!
- bx lr
- endfunc
-
- function ff_vector_fmul_window_neon, export=1
- push {r4,r5,lr}
- ldr lr, [sp, #12]
- sub r2, r2, #8
- sub r5, lr, #2
- add r2, r2, r5, lsl #2
- add r4, r3, r5, lsl #3
- add ip, r0, r5, lsl #3
- mov r5, #-16
- vld1.64 {d0,d1}, [r1,:128]!
- vld1.64 {d2,d3}, [r2,:128], r5
- vld1.64 {d4,d5}, [r3,:128]!
- vld1.64 {d6,d7}, [r4,:128], r5
- 1: subs lr, lr, #4
- vmul.f32 d22, d0, d4
- vrev64.32 q3, q3
- vmul.f32 d23, d1, d5
- vrev64.32 q1, q1
- vmul.f32 d20, d0, d7
- vmul.f32 d21, d1, d6
- beq 2f
- vmla.f32 d22, d3, d7
- vld1.64 {d0,d1}, [r1,:128]!
- vmla.f32 d23, d2, d6
- vld1.64 {d18,d19},[r2,:128], r5
- vmls.f32 d20, d3, d4
- vld1.64 {d24,d25},[r3,:128]!
- vmls.f32 d21, d2, d5
- vld1.64 {d6,d7}, [r4,:128], r5
- vmov q1, q9
- vrev64.32 q11, q11
- vmov q2, q12
- vswp d22, d23
- vst1.64 {d20,d21},[r0,:128]!
- vst1.64 {d22,d23},[ip,:128], r5
- b 1b
- 2: vmla.f32 d22, d3, d7
- vmla.f32 d23, d2, d6
- vmls.f32 d20, d3, d4
- vmls.f32 d21, d2, d5
- vrev64.32 q11, q11
- vswp d22, d23
- vst1.64 {d20,d21},[r0,:128]!
- vst1.64 {d22,d23},[ip,:128], r5
- pop {r4,r5,pc}
- endfunc
-
- #if CONFIG_VORBIS_DECODER
- function ff_vorbis_inverse_coupling_neon, export=1
- vmov.i32 q10, #1<<31
- subs r2, r2, #4
- mov r3, r0
- mov r12, r1
- beq 3f
-
- vld1.32 {d24-d25},[r1,:128]!
- vld1.32 {d22-d23},[r0,:128]!
- vcle.s32 q8, q12, #0
- vand q9, q11, q10
- veor q12, q12, q9
- vand q2, q12, q8
- vbic q3, q12, q8
- vadd.f32 q12, q11, q2
- vsub.f32 q11, q11, q3
- 1: vld1.32 {d2-d3}, [r1,:128]!
- vld1.32 {d0-d1}, [r0,:128]!
- vcle.s32 q8, q1, #0
- vand q9, q0, q10
- veor q1, q1, q9
- vst1.32 {d24-d25},[r3, :128]!
- vst1.32 {d22-d23},[r12,:128]!
- vand q2, q1, q8
- vbic q3, q1, q8
- vadd.f32 q1, q0, q2
- vsub.f32 q0, q0, q3
- subs r2, r2, #8
- ble 2f
- vld1.32 {d24-d25},[r1,:128]!
- vld1.32 {d22-d23},[r0,:128]!
- vcle.s32 q8, q12, #0
- vand q9, q11, q10
- veor q12, q12, q9
- vst1.32 {d2-d3}, [r3, :128]!
- vst1.32 {d0-d1}, [r12,:128]!
- vand q2, q12, q8
- vbic q3, q12, q8
- vadd.f32 q12, q11, q2
- vsub.f32 q11, q11, q3
- b 1b
-
- 2: vst1.32 {d2-d3}, [r3, :128]!
- vst1.32 {d0-d1}, [r12,:128]!
- bxlt lr
-
- 3: vld1.32 {d2-d3}, [r1,:128]
- vld1.32 {d0-d1}, [r0,:128]
- vcle.s32 q8, q1, #0
- vand q9, q0, q10
- veor q1, q1, q9
- vand q2, q1, q8
- vbic q3, q1, q8
- vadd.f32 q1, q0, q2
- vsub.f32 q0, q0, q3
- vst1.32 {d2-d3}, [r0,:128]!
- vst1.32 {d0-d1}, [r1,:128]!
- bx lr
- endfunc
- #endif
-
- function ff_vector_fmul_scalar_neon, export=1
- VFP len .req r2
- NOVFP len .req r3
- VFP vdup.32 q8, d0[0]
- NOVFP vdup.32 q8, r2
- bics r12, len, #15
- beq 3f
- vld1.32 {q0},[r1,:128]!
- vld1.32 {q1},[r1,:128]!
- 1: vmul.f32 q0, q0, q8
- vld1.32 {q2},[r1,:128]!
- vmul.f32 q1, q1, q8
- vld1.32 {q3},[r1,:128]!
- vmul.f32 q2, q2, q8
- vst1.32 {q0},[r0,:128]!
- vmul.f32 q3, q3, q8
- vst1.32 {q1},[r0,:128]!
- subs r12, r12, #16
- beq 2f
- vld1.32 {q0},[r1,:128]!
- vst1.32 {q2},[r0,:128]!
- vld1.32 {q1},[r1,:128]!
- vst1.32 {q3},[r0,:128]!
- b 1b
- 2: vst1.32 {q2},[r0,:128]!
- vst1.32 {q3},[r0,:128]!
- ands len, len, #15
- bxeq lr
- 3: vld1.32 {q0},[r1,:128]!
- vmul.f32 q0, q0, q8
- vst1.32 {q0},[r0,:128]!
- subs len, len, #4
- bgt 3b
- bx lr
- .unreq len
- endfunc
-
- function ff_vector_fmul_sv_scalar_2_neon, export=1
- VFP vdup.32 d16, d0[0]
- NOVFP vdup.32 d16, r3
- NOVFP ldr r3, [sp]
- vld1.32 {d0},[r1,:64]!
- vld1.32 {d1},[r1,:64]!
- 1: subs r3, r3, #4
- vmul.f32 d4, d0, d16
- vmul.f32 d5, d1, d16
- ldr r12, [r2], #4
- vld1.32 {d2},[r12,:64]
- ldr r12, [r2], #4
- vld1.32 {d3},[r12,:64]
- vmul.f32 d4, d4, d2
- vmul.f32 d5, d5, d3
- beq 2f
- vld1.32 {d0},[r1,:64]!
- vld1.32 {d1},[r1,:64]!
- vst1.32 {d4},[r0,:64]!
- vst1.32 {d5},[r0,:64]!
- b 1b
- 2: vst1.32 {d4},[r0,:64]!
- vst1.32 {d5},[r0,:64]!
- bx lr
- endfunc
-
- function ff_vector_fmul_sv_scalar_4_neon, export=1
- VFP vdup.32 q10, d0[0]
- NOVFP vdup.32 q10, r3
- NOVFP ldr r3, [sp]
- push {lr}
- bics lr, r3, #7
- beq 3f
- vld1.32 {q0},[r1,:128]!
- vld1.32 {q2},[r1,:128]!
- 1: ldr r12, [r2], #4
- vld1.32 {q1},[r12,:128]
- ldr r12, [r2], #4
- vld1.32 {q3},[r12,:128]
- vmul.f32 q8, q0, q10
- vmul.f32 q8, q8, q1
- vmul.f32 q9, q2, q10
- vmul.f32 q9, q9, q3
- subs lr, lr, #8
- beq 2f
- vld1.32 {q0},[r1,:128]!
- vld1.32 {q2},[r1,:128]!
- vst1.32 {q8},[r0,:128]!
- vst1.32 {q9},[r0,:128]!
- b 1b
- 2: vst1.32 {q8},[r0,:128]!
- vst1.32 {q9},[r0,:128]!
- ands r3, r3, #7
- popeq {pc}
- 3: vld1.32 {q0},[r1,:128]!
- ldr r12, [r2], #4
- vld1.32 {q1},[r12,:128]
- vmul.f32 q0, q0, q10
- vmul.f32 q0, q0, q1
- vst1.32 {q0},[r0,:128]!
- subs r3, r3, #4
- bgt 3b
- pop {pc}
- endfunc
-
- function ff_sv_fmul_scalar_2_neon, export=1
- VFP len .req r2
- NOVFP len .req r3
- VFP vdup.32 q8, d0[0]
- NOVFP vdup.32 q8, r2
- ldr r12, [r1], #4
- vld1.32 {d0},[r12,:64]
- ldr r12, [r1], #4
- vld1.32 {d1},[r12,:64]
- 1: vmul.f32 q1, q0, q8
- subs len, len, #4
- beq 2f
- ldr r12, [r1], #4
- vld1.32 {d0},[r12,:64]
- ldr r12, [r1], #4
- vld1.32 {d1},[r12,:64]
- vst1.32 {q1},[r0,:128]!
- b 1b
- 2: vst1.32 {q1},[r0,:128]!
- bx lr
- .unreq len
- endfunc
-
- function ff_sv_fmul_scalar_4_neon, export=1
- VFP len .req r2
- NOVFP len .req r3
- VFP vdup.32 q8, d0[0]
- NOVFP vdup.32 q8, r2
- 1: ldr r12, [r1], #4
- vld1.32 {q0},[r12,:128]
- vmul.f32 q0, q0, q8
- vst1.32 {q0},[r0,:128]!
- subs len, len, #4
- bgt 1b
- bx lr
- .unreq len
- 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_fmul_reverse_neon, export=1
- add r2, r2, r3, lsl #2
- sub r2, r2, #32
- mov r12, #-32
- vld1.32 {q0-q1}, [r1,:128]!
- vld1.32 {q2-q3}, [r2,:128], r12
- 1: pld [r1, #32]
- vrev64.32 q3, q3
- vmul.f32 d16, d0, d7
- vmul.f32 d17, d1, d6
- pld [r2, #-32]
- vrev64.32 q2, q2
- vmul.f32 d18, d2, d5
- vmul.f32 d19, d3, d4
- subs r3, r3, #8
- beq 2f
- vld1.32 {q0-q1}, [r1,:128]!
- vld1.32 {q2-q3}, [r2,:128], r12
- vst1.32 {q8-q9}, [r0,:128]!
- b 1b
- 2: vst1.32 {q8-q9}, [r0,:128]!
- bx lr
- endfunc
-
- function ff_vector_fmul_add_neon, export=1
- ldr r12, [sp]
- vld1.32 {q0-q1}, [r1,:128]!
- vld1.32 {q8-q9}, [r2,:128]!
- vld1.32 {q2-q3}, [r3,:128]!
- vmul.f32 q10, q0, q8
- vmul.f32 q11, q1, q9
- 1: vadd.f32 q12, q2, q10
- vadd.f32 q13, q3, q11
- pld [r1, #16]
- pld [r2, #16]
- pld [r3, #16]
- subs r12, r12, #8
- beq 2f
- vld1.32 {q0}, [r1,:128]!
- vld1.32 {q8}, [r2,:128]!
- vmul.f32 q10, q0, q8
- vld1.32 {q1}, [r1,:128]!
- vld1.32 {q9}, [r2,:128]!
- vmul.f32 q11, q1, q9
- vld1.32 {q2-q3}, [r3,:128]!
- vst1.32 {q12-q13},[r0,:128]!
- b 1b
- 2: vst1.32 {q12-q13},[r0,:128]!
- 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
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