/* * ARM NEON optimised DSP functions * Copyright (c) 2008 Mans Rullgard * * 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 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_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