ref: 2ac973474ab6e8298e1d6ffea422acc2e0720925
dir: /codec/encoder/core/arm/svc_motion_estimation.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 .text #include "arm_arch_common_macro.S" WELS_ASM_FUNC_BEGIN SumOf8x8SingleBlock_neon vld1.64 {d0}, [r0], r1 vld1.64 {d1}, [r0], r1 vld1.64 {d2}, [r0], r1 vld1.64 {d3}, [r0], r1 vld1.64 {d4}, [r0], r1 vld1.64 {d5}, [r0], r1 vld1.64 {d6}, [r0], r1 vld1.64 {d7}, [r0] vpaddl.u8 q0, q0 vpadal.u8 q0, q1 vpadal.u8 q0, q2 vpadal.u8 q0, q3 vpaddl.u16 q0, q0 vpadd.i32 d0, d1 vpadd.i32 d0, d0 vmov r0, r1, d0 WELS_ASM_FUNC_END WELS_ASM_FUNC_BEGIN SumOf16x16SingleBlock_neon vld1.64 {q0}, [r0], r1 vpaddl.u8 q0, q0 .rept 15 vld1.64 {q1}, [r0], r1 vpadal.u8 q0, q1 .endr vpaddl.u16 q0, q0 vpadd.i32 d0, d1 vpadd.i32 d0, d0 vmov r0, r1, d0 WELS_ASM_FUNC_END WELS_ASM_FUNC_BEGIN SumOf8x8BlockOfFrame_neon //(uint8_t* pRefPicture, const int32_t kiWidth, const int32_t kiHeight,const int32_t kiRefStride,uint16_t* pFeatureOfBlock, uint32_t pTimesOfFeatureValue[]) stmdb sp!, {r4-r8} ldr r5, [sp, #24] //pTimesOfFeatureValue ldr r4, [sp, #20] //pFeatureOfBlock mov r8, r0 mov r6, r1 add r8, r6 add r4, r4, r6, lsl #1 _height_loop8x8: mov r7, r6 _width_loop8x8: subs r0, r8, r7 vld1.64 {d0}, [r0], r3 vld1.64 {d1}, [r0], r3 vld1.64 {d2}, [r0], r3 vld1.64 {d3}, [r0], r3 vld1.64 {d4}, [r0], r3 vld1.64 {d5}, [r0], r3 vld1.64 {d6}, [r0], r3 vld1.64 {d7}, [r0] vpaddl.u8 q0, q0 vpadal.u8 q0, q1 vpadal.u8 q0, q2 vpadal.u8 q0, q3 vpaddl.u16 q0, q0 vpadd.i32 d0, d1 vpadd.i32 d0, d0 subs r1, r4, r7, lsl #1 vst1.16 {d0[0]}, [r1] // sum -> pFeatureOfBlock[i] vmov r0, r1, d0 add r1, r5, r0, lsl #2 ldr r0, [r1] add r0, #1 str r0, [r1] subs r7, #1 bne _width_loop8x8 add r8, r3 add r4, r4, r6, lsl #1 subs r2, #1 bne _height_loop8x8 ldmia sp!, {r4-r8} WELS_ASM_FUNC_END WELS_ASM_FUNC_BEGIN SumOf16x16BlockOfFrame_neon //(uint8_t* pRefPicture, const int32_t kiWidth, const int32_t kiHeight,const int32_t kiRefStride,uint16_t* pFeatureOfBlock, uint32_t pTimesOfFeatureValue[]) stmdb sp!, {r4-r8} ldr r5, [sp, #24] //pTimesOfFeatureValue ldr r4, [sp, #20] //pFeatureOfBlock mov r8, r0 mov r6, r1 add r8, r6 add r4, r4, r6, lsl #1 _height_loop16x16: mov r7, r6 _width_loop16x16: subs r0, r8, r7 vld1.64 {q0}, [r0], r3 vpaddl.u8 q0, q0 .rept 15 vld1.64 {q1}, [r0], r3 vpadal.u8 q0, q1 .endr vpaddl.u16 q0, q0 vpadd.i32 d0, d1 vpadd.i32 d0, d0 subs r1, r4, r7, lsl #1 vst1.16 {d0[0]}, [r1] // sum -> pFeatureOfBlock[i] vmov r0, r1, d0 add r1, r5, r0, lsl #2 ldr r0, [r1] add r0, #1 str r0, [r1] subs r7, #1 bne _width_loop16x16 add r8, r3 add r4, r4, r6, lsl #1 subs r2, #1 bne _height_loop16x16 ldmia sp!, {r4-r8} WELS_ASM_FUNC_END #endif