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59 lines
2.1 KiB
ArmAsm
59 lines
2.1 KiB
ArmAsm
/*-
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* Copyright (c) 2018 Instituto de Pesquisas Eldorado
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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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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors may
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* be used to endorse or promote products derived from this software
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef FN_NAME
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#define FN_NAME __bcopy_vsx
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#endif
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/*
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* r3: dst
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* r4: src
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* r5: block increment
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* r6: blocks to copy
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* r7/r8/r9/r10: 16-byte offsets to copy
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*/
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#define FN_PHASE2 \
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mtctr %r6 ;\
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.align 5 ;\
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.Lphase2_loop: ;\
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lxvd2x %vs6, %r7, %r4 ;\
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lxvd2x %vs7, %r8, %r4 ;\
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lxvd2x %vs8, %r9, %r4 ;\
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lxvd2x %vs9, %r10, %r4 ;\
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stxvd2x %vs6, %r7, %r3 ;\
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stxvd2x %vs7, %r8, %r3 ;\
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stxvd2x %vs8, %r9, %r3 ;\
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stxvd2x %vs9, %r10, %r3 ;\
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/* phase 2 increment */ ;\
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add %r4, %r4, %r5 ;\
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add %r3, %r3, %r5 ;\
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\
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bdnz .Lphase2_loop ;\
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#include "bcopy.S"
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