57f6bcc4b0
Previously the assembly sources had mixed indentation consisting of both spaces and tabs, making it quite hard to read unless the right tab size was used in the editor. Tabs have been interpreted as 4 spaces in most cases, matching the surrounding code.
69 lines
2.1 KiB
ArmAsm
69 lines
2.1 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 WelsProcessingSampleSad8x8_neon
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stmdb sp!, {lr}
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//Loading a horizontal line data (8 bytes)
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vld1.8 {d0}, [r0], r1
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vld1.8 {d1}, [r2], r3
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//Do the SAD for 8 bytes
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vabdl.u8 q1, d0, d1
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mov lr, #7
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pixel_sad_8x8_loop0:
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//Loading a horizontal line data (8 bytes)
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vld1.8 {d0}, [r0], r1
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vld1.8 {d1}, [r2], r3
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subs lr, #1
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//Do the SAD for 8 bytes
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vabal.u8 q1, d0, d1
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bne pixel_sad_8x8_loop0
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vadd.u16 d2, d3
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vpaddl.u16 d2, d2
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vpaddl.u32 d2, d2
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vmov.u32 r0, d2[0]//TBO...
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ldmia sp!, {lr}
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WELS_ASM_FUNC_END
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#endif
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