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* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* Y: Location 0=preamble,8=loop,9=epilog
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* Z: Location=0,handler=9
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.type FUNCNAME, @function
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p0 = cmp.gtu(bytes,#0)
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if (!p0.new) jump:nt .Ldone
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p1 = cmp.gtu(bytes,#15)
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if (!p0.new) jump:nt .Loop_not_aligned_8
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src_dst_sav = combine(src,dst)
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loopcount = lsr(bytes,#3)
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p3=sp1loop0(.Loop8,loopcount)
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if (p3) memd(dst++#8) = d_dbuf
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d_dbuf = memd(src++#8)
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memd(dst++#8) = d_dbuf
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bytes -= asl(loopcount,#3)
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if (p0.new) jump:nt .Lalign
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if (!p0.new) jump:nt .Loop_not_aligned_4
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p1 = cmp.gtu(bytes,#7)
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loopcount = lsr(bytes,#2)
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p3=sp1loop0(.Loop4,loopcount)
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if (p3) memw(dst++#4) = w_dbuf
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w_dbuf = memw(src++#4)
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memw(dst++#4) = w_dbuf
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bytes -= asl(loopcount,#2)
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if (!p0.new) jump:nt .Loop_not_aligned
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p1 = cmp.gtu(bytes,#3)
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if (!p1) jump .Lsmall
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loopcount = lsr(bytes,#1)
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p3=sp1loop0(.Loop2,loopcount)
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if (p3) memh(dst++#2) = w_dbuf
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w_dbuf = memuh(src++#2)
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memh(dst++#2) = w_dbuf
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bytes -= asl(loopcount,#1)
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.Loop_not_aligned: /* Works for as small as one byte */
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p3=sp1loop0(.Loop1,bytes)
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if (p3) memb(dst++#1) = w_dbuf
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w_dbuf = memub(src++#1)
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p0 = cmp.gtu(bytes,#0)
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if (p0.new) jump:nt .Loop_not_aligned
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if (p0.new) w_dbuf = memub(src)
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if (!p1) jump .Lsmall
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if (p0) memb(dst++#1) = w_dbuf
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if (p0) bytes = add(bytes,#-1)
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if (p0) src = add(src,#1)
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if (p0.new) w_dbuf = memuh(src)
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if (!p1) jump .Lsmall
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if (p0) memh(dst++#2) = w_dbuf
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if (p0) bytes = add(bytes,#-2)
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if (p0) src = add(src,#2)
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if (p0.new) w_dbuf = memw(src)
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if (!p1) jump .Lsmall
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if (p0) memw(dst++#4) = w_dbuf
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if (p0) bytes = add(bytes,#-4)
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if (p0) src = add(src,#4)
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.size FUNCNAME,.-FUNCNAME