ref: 7a5596fa78ad41c428c2e3a4196d3b391d4ac77c
dir: /vpx_dsp/x86/highbd_variance_impl_sse2.asm/
;
; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "vpx_ports/x86_abi_support.asm"
SECTION .text
;unsigned int vpx_highbd_calc16x16var_sse2
;(
; unsigned char * src_ptr,
; int src_stride,
; unsigned char * ref_ptr,
; int ref_stride,
; unsigned int * SSE,
; int * Sum
;)
globalsym(vpx_highbd_calc16x16var_sse2)
sym(vpx_highbd_calc16x16var_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rbx
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;[src_ptr]
mov rdi, arg(2) ;[ref_ptr]
movsxd rax, DWORD PTR arg(1) ;[src_stride]
movsxd rdx, DWORD PTR arg(3) ;[ref_stride]
add rax, rax ; source stride in bytes
add rdx, rdx ; recon stride in bytes
; Prefetch data
prefetcht0 [rsi]
prefetcht0 [rsi+16]
prefetcht0 [rsi+rax]
prefetcht0 [rsi+rax+16]
lea rbx, [rsi+rax*2]
prefetcht0 [rbx]
prefetcht0 [rbx+16]
prefetcht0 [rbx+rax]
prefetcht0 [rbx+rax+16]
prefetcht0 [rdi]
prefetcht0 [rdi+16]
prefetcht0 [rdi+rdx]
prefetcht0 [rdi+rdx+16]
lea rbx, [rdi+rdx*2]
prefetcht0 [rbx]
prefetcht0 [rbx+16]
prefetcht0 [rbx+rdx]
prefetcht0 [rbx+rdx+16]
pxor xmm0, xmm0 ; clear xmm0 for unpack
pxor xmm7, xmm7 ; clear xmm7 for accumulating diffs
pxor xmm6, xmm6 ; clear xmm6 for accumulating sse
mov rcx, 16
.var16loop:
movdqu xmm1, XMMWORD PTR [rsi]
movdqu xmm2, XMMWORD PTR [rdi]
lea rbx, [rsi+rax*2]
prefetcht0 [rbx]
prefetcht0 [rbx+16]
prefetcht0 [rbx+rax]
prefetcht0 [rbx+rax+16]
lea rbx, [rdi+rdx*2]
prefetcht0 [rbx]
prefetcht0 [rbx+16]
prefetcht0 [rbx+rdx]
prefetcht0 [rbx+rdx+16]
pxor xmm5, xmm5
psubw xmm1, xmm2
movdqu xmm3, XMMWORD PTR [rsi+16]
paddw xmm5, xmm1
pmaddwd xmm1, xmm1
movdqu xmm2, XMMWORD PTR [rdi+16]
paddd xmm6, xmm1
psubw xmm3, xmm2
movdqu xmm1, XMMWORD PTR [rsi+rax]
paddw xmm5, xmm3
pmaddwd xmm3, xmm3
movdqu xmm2, XMMWORD PTR [rdi+rdx]
paddd xmm6, xmm3
psubw xmm1, xmm2
movdqu xmm3, XMMWORD PTR [rsi+rax+16]
paddw xmm5, xmm1
pmaddwd xmm1, xmm1
movdqu xmm2, XMMWORD PTR [rdi+rdx+16]
paddd xmm6, xmm1
psubw xmm3, xmm2
paddw xmm5, xmm3
pmaddwd xmm3, xmm3
paddd xmm6, xmm3
movdqa xmm1, xmm5
movdqa xmm2, xmm5
pcmpgtw xmm1, xmm0
pcmpeqw xmm2, xmm0
por xmm1, xmm2
pcmpeqw xmm1, xmm0
movdqa xmm2, xmm5
punpcklwd xmm5, xmm1
punpckhwd xmm2, xmm1
paddd xmm7, xmm5
paddd xmm7, xmm2
lea rsi, [rsi + 2*rax]
lea rdi, [rdi + 2*rdx]
sub rcx, 2
jnz .var16loop
movdqa xmm4, xmm6
punpckldq xmm6, xmm0
punpckhdq xmm4, xmm0
movdqa xmm5, xmm7
paddd xmm6, xmm4
punpckldq xmm7, xmm0
punpckhdq xmm5, xmm0
paddd xmm7, xmm5
movdqa xmm4, xmm6
movdqa xmm5, xmm7
psrldq xmm4, 8
psrldq xmm5, 8
paddd xmm6, xmm4
paddd xmm7, xmm5
mov rdi, arg(4) ; [SSE]
mov rax, arg(5) ; [Sum]
movd DWORD PTR [rdi], xmm6
movd DWORD PTR [rax], xmm7
; begin epilog
pop rdi
pop rsi
pop rbx
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;unsigned int vpx_highbd_calc8x8var_sse2
;(
; unsigned char * src_ptr,
; int src_stride,
; unsigned char * ref_ptr,
; int ref_stride,
; unsigned int * SSE,
; int * Sum
;)
globalsym(vpx_highbd_calc8x8var_sse2)
sym(vpx_highbd_calc8x8var_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
push rbx
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;[src_ptr]
mov rdi, arg(2) ;[ref_ptr]
movsxd rax, DWORD PTR arg(1) ;[src_stride]
movsxd rdx, DWORD PTR arg(3) ;[ref_stride]
add rax, rax ; source stride in bytes
add rdx, rdx ; recon stride in bytes
; Prefetch data
prefetcht0 [rsi]
prefetcht0 [rsi+rax]
lea rbx, [rsi+rax*2]
prefetcht0 [rbx]
prefetcht0 [rbx+rax]
prefetcht0 [rdi]
prefetcht0 [rdi+rdx]
lea rbx, [rdi+rdx*2]
prefetcht0 [rbx]
prefetcht0 [rbx+rdx]
pxor xmm0, xmm0 ; clear xmm0 for unpack
pxor xmm7, xmm7 ; clear xmm7 for accumulating diffs
pxor xmm6, xmm6 ; clear xmm6 for accumulating sse
mov rcx, 8
.var8loop:
movdqu xmm1, XMMWORD PTR [rsi]
movdqu xmm2, XMMWORD PTR [rdi]
lea rbx, [rsi+rax*4]
prefetcht0 [rbx]
prefetcht0 [rbx+rax]
lea rbx, [rbx+rax*2]
prefetcht0 [rbx]
prefetcht0 [rbx+rax]
lea rbx, [rdi+rdx*4]
prefetcht0 [rbx]
prefetcht0 [rbx+rdx]
lea rbx, [rbx+rdx*2]
prefetcht0 [rbx]
prefetcht0 [rbx+rdx]
pxor xmm5, xmm5
psubw xmm1, xmm2
movdqu xmm3, XMMWORD PTR [rsi+rax]
paddw xmm5, xmm1
pmaddwd xmm1, xmm1
movdqu xmm2, XMMWORD PTR [rdi+rdx]
paddd xmm6, xmm1
lea rsi, [rsi + 2*rax]
lea rdi, [rdi + 2*rdx]
psubw xmm3, xmm2
movdqu xmm1, XMMWORD PTR [rsi]
paddw xmm5, xmm3
pmaddwd xmm3, xmm3
movdqu xmm2, XMMWORD PTR [rdi]
paddd xmm6, xmm3
psubw xmm1, xmm2
movdqu xmm3, XMMWORD PTR [rsi+rax]
paddw xmm5, xmm1
pmaddwd xmm1, xmm1
movdqu xmm2, XMMWORD PTR [rdi+rdx]
paddd xmm6, xmm1
psubw xmm3, xmm2
paddw xmm5, xmm3
pmaddwd xmm3, xmm3
paddd xmm6, xmm3
movdqa xmm1, xmm5
movdqa xmm2, xmm5
pcmpgtw xmm1, xmm0
pcmpeqw xmm2, xmm0
por xmm1, xmm2
pcmpeqw xmm1, xmm0
movdqa xmm2, xmm5
punpcklwd xmm5, xmm1
punpckhwd xmm2, xmm1
paddd xmm7, xmm5
paddd xmm7, xmm2
lea rsi, [rsi + 2*rax]
lea rdi, [rdi + 2*rdx]
sub rcx, 4
jnz .var8loop
movdqa xmm4, xmm6
punpckldq xmm6, xmm0
punpckhdq xmm4, xmm0
movdqa xmm5, xmm7
paddd xmm6, xmm4
punpckldq xmm7, xmm0
punpckhdq xmm5, xmm0
paddd xmm7, xmm5
movdqa xmm4, xmm6
movdqa xmm5, xmm7
psrldq xmm4, 8
psrldq xmm5, 8
paddd xmm6, xmm4
paddd xmm7, xmm5
mov rdi, arg(4) ; [SSE]
mov rax, arg(5) ; [Sum]
movd DWORD PTR [rdi], xmm6
movd DWORD PTR [rax], xmm7
; begin epilog
pop rdi
pop rsi
pop rbx
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret