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Diffstat (limited to '')
-rw-r--r-- | src/spdk/isa-l/igzip/heap_macros.asm | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/spdk/isa-l/igzip/heap_macros.asm b/src/spdk/isa-l/igzip/heap_macros.asm new file mode 100644 index 000000000..4385fae66 --- /dev/null +++ b/src/spdk/isa-l/igzip/heap_macros.asm @@ -0,0 +1,98 @@ +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +; Copyright(c) 2011-2018 Intel Corporation All rights reserved. +; +; Redistribution and use in source and binary forms, with or without +; modification, are permitted provided that the following conditions +; are met: +; * Redistributions of source code must retain the above copyright +; notice, this list of conditions and the following disclaimer. +; * Redistributions in binary form must reproduce the above copyright +; notice, this list of conditions and the following disclaimer in +; the documentation and/or other materials provided with the +; distribution. +; * Neither the name of Intel Corporation nor the names of its +; contributors may be used to endorse or promote products derived +; from this software without specific prior written permission. +; +; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +; heapify heap, heap_size, i, child, tmp1, tmp2, tmpd +%macro heapify2 7 +%define %%heap %1 ; qword ptr +%define %%heap_size %2 ; dword +%define %%i %3 ; dword +%define %%child %4 ; dword +%define %%tmp1 %5 ; qword +%define %%tmp2 %6 ; qword +%define %%tmpd %7 ; dword + align 16 +%%heapify1: + lea %%child, [%%i + %%i] + cmp %%child, %%heap_size + ja %%end_heapify1 + mov %%tmp1, [%%heap + %%child] + mov %%tmpd, %%child + mov %%tmp2, [%%heap + %%child) + 8] + lea %%child, [%%child + 1] + cmove %%tmp2, %%tmp1 + cmp %%tmp1, %%tmp2 + cmovbe %%child, %%tmpd + cmovbe %%tmp2, %%tmp1 + ; child is correct, %%tmp2 = heap[child] + mov %%tmp1, [%%heap + %%i] + cmp %%tmp1, %%tmp2 + jbe %%end_heapify1 + mov [%%heap + %%i], %%tmp2 + mov [%%heap + %%child], %%tmp1 + mov %%i, %%child + jmp %%heapify1 +%%end_heapify1 +%endm + +; heapify heap, heap_size, i, child, tmp1, tmp2, tmpd, tmp3 +%macro heapify 8 +%define %%heap %1 ; qword ptr +%define %%heap_size %2 ; qword +%define %%i %3 ; qword +%define %%child %4 ; qword +%define %%tmp1 %5 ; qword +%define %%tmp2 %6 ; qword +%define %%tmpd %7 ; qword +%define %%tmp3 %8 + align 16 +%%heapify1: + lea %%child, [%%i + %%i] +; mov %%child, %%i +; add %%child, %%child + cmp %%child, %%heap_size + ja %%end_heapify1 + mov %%tmp1, [%%heap + %%child*8] + mov %%tmp2, [%%heap + %%child*8 + 8] + mov %%tmp3, [%%heap + %%i*8] + mov %%tmpd, %%child + add %%tmpd, 1 + + cmp %%tmp2, %%tmp1 + cmovb %%child, %%tmpd + cmovb %%tmp1, %%tmp2 + ; child is correct, tmp1 = heap[child] + cmp %%tmp3, %%tmp1 + jbe %%end_heapify1 + ; swap i and child + mov [%%heap + %%i*8], %%tmp1 + mov [%%heap + %%child*8], %%tmp3 + mov %%i, %%child + jmp %%heapify1 +%%end_heapify1: +%endm |