ref: 2a3f9947233529129cb24c43ab9fcb00b2be8a87
dir: /vpx_dsp/x86/sad4d_sse2.asm/
;
; Copyright (c) 2010 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 "third_party/x86inc/x86inc.asm"
SECTION .text
; PROCESS_4x2x4 first, off_{first,second}_{src,ref}, advance_at_end
%macro PROCESS_4x2x4 5-6 0
movd m0, [srcq +%2]
%if %1 == 1
movd m6, [ref1q+%3]
movd m4, [ref2q+%3]
movd m7, [ref3q+%3]
movd m5, [ref4q+%3]
movd m1, [srcq +%4]
movd m2, [ref1q+%5]
punpckldq m0, m1
punpckldq m6, m2
movd m1, [ref2q+%5]
movd m2, [ref3q+%5]
movd m3, [ref4q+%5]
punpckldq m4, m1
punpckldq m7, m2
punpckldq m5, m3
movlhps m0, m0
movlhps m6, m4
movlhps m7, m5
psadbw m6, m0
psadbw m7, m0
%else
movd m1, [ref1q+%3]
movd m5, [ref1q+%5]
movd m2, [ref2q+%3]
movd m4, [ref2q+%5]
punpckldq m1, m5
punpckldq m2, m4
movd m3, [ref3q+%3]
movd m5, [ref3q+%5]
punpckldq m3, m5
movd m4, [ref4q+%3]
movd m5, [ref4q+%5]
punpckldq m4, m5
movd m5, [srcq +%4]
punpckldq m0, m5
movlhps m0, m0
movlhps m1, m2
movlhps m3, m4
psadbw m1, m0
psadbw m3, m0
paddd m6, m1
paddd m7, m3
%endif
%if %6 == 1
lea srcq, [srcq +src_strideq*2]
lea ref1q, [ref1q+ref_strideq*2]
lea ref2q, [ref2q+ref_strideq*2]
lea ref3q, [ref3q+ref_strideq*2]
lea ref4q, [ref4q+ref_strideq*2]
%endif
%endmacro
; PROCESS_8x2x4 first, off_{first,second}_{src,ref}, advance_at_end
%macro PROCESS_8x2x4 5-6 0
movh m0, [srcq +%2]
%if %1 == 1
movh m4, [ref1q+%3]
movh m5, [ref2q+%3]
movh m6, [ref3q+%3]
movh m7, [ref4q+%3]
movhps m0, [srcq +%4]
movhps m4, [ref1q+%5]
movhps m5, [ref2q+%5]
movhps m6, [ref3q+%5]
movhps m7, [ref4q+%5]
psadbw m4, m0
psadbw m5, m0
psadbw m6, m0
psadbw m7, m0
%else
movh m1, [ref1q+%3]
movh m2, [ref2q+%3]
movh m3, [ref3q+%3]
movhps m0, [srcq +%4]
movhps m1, [ref1q+%5]
movhps m2, [ref2q+%5]
movhps m3, [ref3q+%5]
psadbw m1, m0
psadbw m2, m0
psadbw m3, m0
paddd m4, m1
movh m1, [ref4q+%3]
movhps m1, [ref4q+%5]
paddd m5, m2
paddd m6, m3
psadbw m1, m0
paddd m7, m1
%endif
%if %6 == 1
lea srcq, [srcq +src_strideq*2]
lea ref1q, [ref1q+ref_strideq*2]
lea ref2q, [ref2q+ref_strideq*2]
lea ref3q, [ref3q+ref_strideq*2]
lea ref4q, [ref4q+ref_strideq*2]
%endif
%endmacro
; PROCESS_16x2x4 first, off_{first,second}_{src,ref}, advance_at_end
%macro PROCESS_16x2x4 5-6 0
; 1st 16 px
mova m0, [srcq +%2]
%if %1 == 1
movu m4, [ref1q+%3]
movu m5, [ref2q+%3]
movu m6, [ref3q+%3]
movu m7, [ref4q+%3]
psadbw m4, m0
psadbw m5, m0
psadbw m6, m0
psadbw m7, m0
%else
movu m1, [ref1q+%3]
movu m2, [ref2q+%3]
movu m3, [ref3q+%3]
psadbw m1, m0
psadbw m2, m0
psadbw m3, m0
paddd m4, m1
movu m1, [ref4q+%3]
paddd m5, m2
paddd m6, m3
psadbw m1, m0
paddd m7, m1
%endif
; 2nd 16 px
mova m0, [srcq +%4]
movu m1, [ref1q+%5]
movu m2, [ref2q+%5]
movu m3, [ref3q+%5]
psadbw m1, m0
psadbw m2, m0
psadbw m3, m0
paddd m4, m1
movu m1, [ref4q+%5]
paddd m5, m2
paddd m6, m3
%if %6 == 1
lea srcq, [srcq +src_strideq*2]
lea ref1q, [ref1q+ref_strideq*2]
lea ref2q, [ref2q+ref_strideq*2]
lea ref3q, [ref3q+ref_strideq*2]
lea ref4q, [ref4q+ref_strideq*2]
%endif
psadbw m1, m0
paddd m7, m1
%endmacro
; PROCESS_32x2x4 first, off_{first,second}_{src,ref}, advance_at_end
%macro PROCESS_32x2x4 5-6 0
PROCESS_16x2x4 %1, %2, %3, %2 + 16, %3 + 16
PROCESS_16x2x4 0, %4, %5, %4 + 16, %5 + 16, %6
%endmacro
; PROCESS_64x2x4 first, off_{first,second}_{src,ref}, advance_at_end
%macro PROCESS_64x2x4 5-6 0
PROCESS_32x2x4 %1, %2, %3, %2 + 32, %3 + 32
PROCESS_32x2x4 0, %4, %5, %4 + 32, %5 + 32, %6
%endmacro
; void vpx_sadNxNx4d_sse2(uint8_t *src, int src_stride,
; uint8_t *ref[4], int ref_stride,
; uint32_t res[4]);
; where NxN = 64x64, 32x32, 16x16, 16x8, 8x16, 8x8, 8x4, 4x8 and 4x4
%macro SADNXN4D 2
%if UNIX64
cglobal sad%1x%2x4d, 5, 8, 8, src, src_stride, ref1, ref_stride, \
res, ref2, ref3, ref4
%else
cglobal sad%1x%2x4d, 4, 7, 8, src, src_stride, ref1, ref_stride, \
ref2, ref3, ref4
%endif
movsxdifnidn src_strideq, src_strided
movsxdifnidn ref_strideq, ref_strided
mov ref2q, [ref1q+gprsize*1]
mov ref3q, [ref1q+gprsize*2]
mov ref4q, [ref1q+gprsize*3]
mov ref1q, [ref1q+gprsize*0]
PROCESS_%1x2x4 1, 0, 0, src_strideq, ref_strideq, 1
%rep (%2-4)/2
PROCESS_%1x2x4 0, 0, 0, src_strideq, ref_strideq, 1
%endrep
PROCESS_%1x2x4 0, 0, 0, src_strideq, ref_strideq, 0
%if %1 > 4
pslldq m5, 4
pslldq m7, 4
por m4, m5
por m6, m7
mova m5, m4
mova m7, m6
punpcklqdq m4, m6
punpckhqdq m5, m7
movifnidn r4, r4mp
paddd m4, m5
movu [r4], m4
RET
%else
movifnidn r4, r4mp
pshufd m6, m6, 0x08
pshufd m7, m7, 0x08
movq [r4+0], m6
movq [r4+8], m7
RET
%endif
%endmacro
INIT_XMM sse2
SADNXN4D 64, 64
SADNXN4D 64, 32
SADNXN4D 32, 64
SADNXN4D 32, 32
SADNXN4D 32, 16
SADNXN4D 16, 32
SADNXN4D 16, 16
SADNXN4D 16, 8
SADNXN4D 8, 16
SADNXN4D 8, 8
SADNXN4D 8, 4
SADNXN4D 4, 8
SADNXN4D 4, 4