1 files changed, 98 insertions, 0 deletions
diff --git a/src/isa-l/igzip/heap_macros.asm b/src/isa-l/igzip/heap_macros.asm
new file mode 100644
index 000000000..4385fae66
--- /dev/null
+++ b/src/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