ref: 542fd232cc05f86b4de26516d71a5c9ec7d0e55a
dir: /codec/common/arm/intra_pred_common_neon.S/
/*! * \copy * Copyright (c) 2013, Cisco Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #ifdef HAVE_NEON #include "arm_arch_common_macro.S" WELS_ASM_FUNC_BEGIN WelsI16x16LumaPredV_neon //Get the top line data to 'q0' sub r3, r1, r2 vldm r3, {d0, d1} //mov r2, #16 mov r3, #4 //Set the top line to the each line of MB(16*16) loop_0_get_i16x16_luma_pred_v: vst1.8 {d0,d1}, [r0]! vst1.8 {d0,d1}, [r0]! vst1.8 {d0,d1}, [r0]! vst1.8 {d0,d1}, [r0]! subs r3, #1 bne loop_0_get_i16x16_luma_pred_v WELS_ASM_FUNC_END WELS_ASM_FUNC_BEGIN WelsI16x16LumaPredH_neon //stmdb sp!, {r4, lr} sub r1, r1, #1 mov r3, #4 loop_0_get_i16x16_luma_pred_h: //Get one byte data from left side vld1.8 {d0[],d1[]}, [r1], r2 vld1.8 {d2[],d3[]}, [r1], r2 vld1.8 {d4[],d5[]}, [r1], r2 vld1.8 {d6[],d7[]}, [r1], r2 //Set the line of MB using the left side byte data vst1.8 {d0,d1}, [r0]! //add r0, #16 vst1.8 {d2,d3}, [r0]! //add r0, #16 vst1.8 {d4,d5}, [r0]! //add r0, #16 vst1.8 {d6,d7}, [r0]! //add r0, #16 subs r3, #1 bne loop_0_get_i16x16_luma_pred_h WELS_ASM_FUNC_END #endif