ref: 502e5b92ecb00d6993440ee82afb3c34657a8c7f
dir: /src/x86/ipred_ssse3.asm/
; Copyright © 2018, VideoLAN and dav1d authors
; Copyright © 2018, Two Orioles, LLC
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
;
; 2. 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.
;
; 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.
%include "config.asm"
%include "ext/x86/x86inc.asm"
SECTION_RODATA 16
%macro JMP_TABLE 3-*
%xdefine %1_%2_table (%%table - 2*4)
%xdefine %%base mangle(private_prefix %+ _%1_%2)
%%table:
%rep %0 - 2
dd %%base %+ .%3 - (%%table - 2*4)
%rotate 1
%endrep
%endmacro
JMP_TABLE ipred_h, ssse3, w4, w8, w16, w32, w64
SECTION .text
%macro IPRED_SET 3 ; width, stride, stride size pshuflw_imm8
pshuflw m1, m0, %3 ; extend 8 byte for 2 pos
punpcklqdq m1, m1
mova [dstq + %2], m1
%if %1 > 16
mova [dstq + 16 + %2], m1
%endif
%if %1 > 32
mova [dstq + 32 + %2], m1
mova [dstq + 48 + %2], m1
%endif
%endmacro
%macro IPRED_H 1 ; width
sub tlq, 4
movd m0, [tlq] ; get 4 bytes of topleft data
punpcklbw m0, m0 ; extend 2 byte
%if %1 == 4
pshuflw m1, m0, q2233
movd [dstq+strideq*0], m1
psrlq m1, 32
movd [dstq+strideq*1], m1
pshuflw m0, m0, q0011
movd [dstq+strideq*2], m0
psrlq m0, 32
movd [dstq+stride3q ], m0
%elif %1 == 8
punpcklwd m0, m0
punpckhdq m1, m0, m0
punpckldq m0, m0
movq [dstq+strideq*1], m1
movhps [dstq+strideq*0], m1
movq [dstq+stride3q ], m0
movhps [dstq+strideq*2], m0
%else
IPRED_SET %1, 0, q3333
IPRED_SET %1, strideq, q2222
IPRED_SET %1, strideq*2, q1111
IPRED_SET %1, stride3q, q0000
%endif
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w%1
RET
%endmacro
INIT_XMM ssse3
cglobal ipred_h, 3, 6, 2, dst, stride, tl, w, h, stride3
lea r5, [ipred_h_ssse3_table]
tzcnt wd, wm
movifnidn hd, hm
movsxd wq, [r5+wq*4]
add wq, r5
lea stride3q, [strideq*3]
jmp wq
.w4:
IPRED_H 4
.w8:
IPRED_H 8
.w16:
IPRED_H 16
.w32:
IPRED_H 32
.w64:
IPRED_H 64