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