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b1c4517557
Change-Id: Iddcfbd357efa17dbbd32acacac952579fc052756 Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
99 lines
3.4 KiB
NASM
99 lines
3.4 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright(c) 2011-2018 Intel Corporation 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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; * 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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; * 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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; * Neither the name of Intel Corporation nor the names of its
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; contributors may be used to endorse or promote products derived
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; from this software without specific prior written permission.
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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 FOR
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; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; heapify heap, heap_size, i, child, tmp1, tmp2, tmpd
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%macro heapify2 7
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%define %%heap %1 ; qword ptr
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%define %%heap_size %2 ; dword
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%define %%i %3 ; dword
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%define %%child %4 ; dword
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%define %%tmp1 %5 ; qword
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%define %%tmp2 %6 ; qword
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%define %%tmpd %7 ; dword
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align 16
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%%heapify1:
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lea %%child, [%%i + %%i]
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cmp %%child, %%heap_size
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ja %%end_heapify1
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mov %%tmp1, [%%heap + %%child]
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mov %%tmpd, %%child
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mov %%tmp2, [%%heap + %%child) + 8]
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lea %%child, [%%child + 1]
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cmove %%tmp2, %%tmp1
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cmp %%tmp1, %%tmp2
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cmovbe %%child, %%tmpd
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cmovbe %%tmp2, %%tmp1
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; child is correct, %%tmp2 = heap[child]
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mov %%tmp1, [%%heap + %%i]
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cmp %%tmp1, %%tmp2
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jbe %%end_heapify1
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mov [%%heap + %%i], %%tmp2
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mov [%%heap + %%child], %%tmp1
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mov %%i, %%child
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jmp %%heapify1
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%%end_heapify1
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%endm
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; heapify heap, heap_size, i, child, tmp1, tmp2, tmpd, tmp3
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%macro heapify 8
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%define %%heap %1 ; qword ptr
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%define %%heap_size %2 ; qword
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%define %%i %3 ; qword
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%define %%child %4 ; qword
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%define %%tmp1 %5 ; qword
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%define %%tmp2 %6 ; qword
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%define %%tmpd %7 ; qword
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%define %%tmp3 %8
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align 16
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%%heapify1:
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lea %%child, [%%i + %%i]
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; mov %%child, %%i
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; add %%child, %%child
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cmp %%child, %%heap_size
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ja %%end_heapify1
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mov %%tmp1, [%%heap + %%child*8]
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mov %%tmp2, [%%heap + %%child*8 + 8]
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mov %%tmp3, [%%heap + %%i*8]
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mov %%tmpd, %%child
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add %%tmpd, 1
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cmp %%tmp2, %%tmp1
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cmovb %%child, %%tmpd
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cmovb %%tmp1, %%tmp2
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; child is correct, tmp1 = heap[child]
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cmp %%tmp3, %%tmp1
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jbe %%end_heapify1
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; swap i and child
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mov [%%heap + %%i*8], %%tmp1
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mov [%%heap + %%child*8], %%tmp3
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mov %%i, %%child
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jmp %%heapify1
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%%end_heapify1:
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%endm
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