mirror of
https://github.com/intel/isa-l.git
synced 2024-12-12 17:33:50 +01:00
7e1a337433
A few legitimate warnings got masked by previous nasm bugs. This cleans last as of nasm 2.13rc20. Change-Id: Iaa7e6148e0e506222cc207685263103d62bdd015 Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
98 lines
1.6 KiB
NASM
98 lines
1.6 KiB
NASM
; returns modified node_ptr
|
|
; uint32_t proc_heap(uint64_t *heap, uint32_t heap_size);
|
|
|
|
%include "reg_sizes.asm"
|
|
%include "heap_macros.asm"
|
|
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
%define heap rcx ; pointer, 64-bit
|
|
%define heap_size rdx
|
|
%define arg3 r8
|
|
%define child rsi
|
|
%define tmp32 rdi
|
|
%else
|
|
%define heap rdi
|
|
%define heap_size rsi
|
|
%define arg3 rdx
|
|
%define child rcx
|
|
%define tmp32 rdx
|
|
%endif
|
|
|
|
%define node_ptr rax
|
|
%define h1 r8
|
|
%define h2 r9
|
|
%define h3 r10
|
|
%define i r11
|
|
%define tmp2 r12
|
|
|
|
global build_huff_tree
|
|
build_huff_tree:
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
push rsi
|
|
push rdi
|
|
%endif
|
|
push r12
|
|
|
|
mov node_ptr, arg3
|
|
.main_loop:
|
|
; REMOVE_MIN64(heap, heap_size, h1);
|
|
mov h2, [heap + heap_size*8]
|
|
mov h1, [heap + 1*8]
|
|
mov qword [heap + heap_size*8], -1
|
|
dec heap_size
|
|
mov [heap + 1*8], h2
|
|
|
|
mov i, 1
|
|
heapify heap, heap_size, i, child, h2, h3, tmp32, tmp2
|
|
|
|
mov h2, [heap + 1*8]
|
|
lea h3, [h1 + h2]
|
|
mov [heap + node_ptr*8], h1 %+ w
|
|
mov [heap + node_ptr*8 - 8], h2 %+ w
|
|
|
|
and h3, ~0xffff
|
|
or h3, node_ptr
|
|
sub node_ptr, 2
|
|
|
|
; replace_min64(heap, heap_size, h3)
|
|
mov [heap + 1*8], h3
|
|
mov i, 1
|
|
heapify heap, heap_size, i, child, h2, h3, tmp32, tmp2
|
|
|
|
cmp heap_size, 1
|
|
ja .main_loop
|
|
|
|
mov h1, [heap + 1*8]
|
|
mov [heap + node_ptr*8], h1 %+ w
|
|
|
|
pop r12
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
pop rdi
|
|
pop rsi
|
|
%endif
|
|
ret
|
|
|
|
align 32
|
|
global build_heap
|
|
build_heap:
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
push rsi
|
|
push rdi
|
|
%endif
|
|
push r12
|
|
mov qword [heap + heap_size*8 + 8], -1
|
|
mov i, heap_size
|
|
shr i, 1
|
|
.loop:
|
|
mov h1, i
|
|
heapify heap, heap_size, h1, child, h2, h3, tmp32, tmp2
|
|
dec i
|
|
jnz .loop
|
|
|
|
pop r12
|
|
%ifidn __OUTPUT_FORMAT__, win64
|
|
pop rdi
|
|
pop rsi
|
|
%endif
|
|
ret
|