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FFmpeg/libavcodec/x86/dsputil_yasm.asm

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;******************************************************************************
;* MMX optimized DSP utils
;* Copyright (c) 2008 Loren Merritt
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
SECTION_RODATA
pb_f: times 16 db 15
pb_zzzzzzzz77777777: times 8 db -1
pb_7: times 8 db 7
pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
section .text align=16
%macro PSWAPD_SSE 2
pshufw %1, %2, 0x4e
%endmacro
%macro PSWAPD_3DN1 2
movq %1, %2
psrlq %1, 32
punpckldq %1, %2
%endmacro
%macro FLOAT_TO_INT16_INTERLEAVE6 1
; void ff_float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
cglobal float_to_int16_interleave6_%1, 2,7,0, dst, src, src1, src2, src3, src4, src5
%ifdef ARCH_X86_64
%define lend r10d
mov lend, r2d
%else
%define lend dword r2m
%endif
mov src1q, [srcq+1*gprsize]
mov src2q, [srcq+2*gprsize]
mov src3q, [srcq+3*gprsize]
mov src4q, [srcq+4*gprsize]
mov src5q, [srcq+5*gprsize]
mov srcq, [srcq]
sub src1q, srcq
sub src2q, srcq
sub src3q, srcq
sub src4q, srcq
sub src5q, srcq
.loop:
cvtps2pi mm0, [srcq]
cvtps2pi mm1, [srcq+src1q]
cvtps2pi mm2, [srcq+src2q]
cvtps2pi mm3, [srcq+src3q]
cvtps2pi mm4, [srcq+src4q]
cvtps2pi mm5, [srcq+src5q]
packssdw mm0, mm3
packssdw mm1, mm4
packssdw mm2, mm5
pswapd mm3, mm0
punpcklwd mm0, mm1
punpckhwd mm1, mm2
punpcklwd mm2, mm3
pswapd mm3, mm0
punpckldq mm0, mm2
punpckhdq mm2, mm1
punpckldq mm1, mm3
movq [dstq ], mm0
movq [dstq+16], mm2
movq [dstq+ 8], mm1
add srcq, 8
add dstq, 24
sub lend, 2
jg .loop
emms
RET
%endmacro ; FLOAT_TO_INT16_INTERLEAVE6
%define pswapd PSWAPD_SSE
FLOAT_TO_INT16_INTERLEAVE6 sse
%define cvtps2pi pf2id
%define pswapd PSWAPD_3DN1
FLOAT_TO_INT16_INTERLEAVE6 3dnow
%undef pswapd
FLOAT_TO_INT16_INTERLEAVE6 3dn2
%undef cvtps2pi
%macro SCALARPRODUCT 1
; int scalarproduct_int16(int16_t *v1, int16_t *v2, int order, int shift)
cglobal scalarproduct_int16_%1, 3,3,4, v1, v2, order, shift
shl orderq, 1
add v1q, orderq
add v2q, orderq
neg orderq
movd m3, shiftm
pxor m2, m2
.loop:
movu m0, [v1q + orderq]
movu m1, [v1q + orderq + mmsize]
pmaddwd m0, [v2q + orderq]
pmaddwd m1, [v2q + orderq + mmsize]
paddd m2, m0
paddd m2, m1
add orderq, mmsize*2
jl .loop
%if mmsize == 16
movhlps m0, m2
paddd m2, m0
psrad m2, m3
pshuflw m0, m2, 0x4e
%else
psrad m2, m3
pshufw m0, m2, 0x4e
%endif
paddd m2, m0
movd eax, m2
RET
; int scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3, int order, int mul)
cglobal scalarproduct_and_madd_int16_%1, 4,4,8, v1, v2, v3, order, mul
shl orderq, 1
movd m7, mulm
%if mmsize == 16
pshuflw m7, m7, 0
punpcklqdq m7, m7
%else
pshufw m7, m7, 0
%endif
pxor m6, m6
add v1q, orderq
add v2q, orderq
add v3q, orderq
neg orderq
.loop:
movu m0, [v2q + orderq]
movu m1, [v2q + orderq + mmsize]
mova m4, [v1q + orderq]
mova m5, [v1q + orderq + mmsize]
movu m2, [v3q + orderq]
movu m3, [v3q + orderq + mmsize]
pmaddwd m0, m4
pmaddwd m1, m5
pmullw m2, m7
pmullw m3, m7
paddd m6, m0
paddd m6, m1
paddw m2, m4
paddw m3, m5
mova [v1q + orderq], m2
mova [v1q + orderq + mmsize], m3
add orderq, mmsize*2
jl .loop
%if mmsize == 16
movhlps m0, m6
paddd m6, m0
pshuflw m0, m6, 0x4e
%else
pshufw m0, m6, 0x4e
%endif
paddd m6, m0
movd eax, m6
RET
%endmacro
INIT_MMX
SCALARPRODUCT mmx2
INIT_XMM
SCALARPRODUCT sse2
%macro SCALARPRODUCT_LOOP 1
align 16
.loop%1:
sub orderq, mmsize*2
%if %1
mova m1, m4
mova m4, [v2q + orderq]
mova m0, [v2q + orderq + mmsize]
palignr m1, m0, %1
palignr m0, m4, %1
mova m3, m5
mova m5, [v3q + orderq]
mova m2, [v3q + orderq + mmsize]
palignr m3, m2, %1
palignr m2, m5, %1
%else
mova m0, [v2q + orderq]
mova m1, [v2q + orderq + mmsize]
mova m2, [v3q + orderq]
mova m3, [v3q + orderq + mmsize]
%endif
%define t0 [v1q + orderq]
%define t1 [v1q + orderq + mmsize]
%ifdef ARCH_X86_64
mova m8, t0
mova m9, t1
%define t0 m8
%define t1 m9
%endif
pmaddwd m0, t0
pmaddwd m1, t1
pmullw m2, m7
pmullw m3, m7
paddw m2, t0
paddw m3, t1
paddd m6, m0
paddd m6, m1
mova [v1q + orderq], m2
mova [v1q + orderq + mmsize], m3
jg .loop%1
%if %1
jmp .end
%endif
%endmacro
; int scalarproduct_and_madd_int16(int16_t *v1, int16_t *v2, int16_t *v3, int order, int mul)
cglobal scalarproduct_and_madd_int16_ssse3, 4,5,10, v1, v2, v3, order, mul
shl orderq, 1
movd m7, mulm
pshuflw m7, m7, 0
punpcklqdq m7, m7
pxor m6, m6
mov r4d, v2d
and r4d, 15
and v2q, ~15
and v3q, ~15
mova m4, [v2q + orderq]
mova m5, [v3q + orderq]
; linear is faster than branch tree or jump table, because the branches taken are cyclic (i.e. predictable)
cmp r4d, 0
je .loop0
cmp r4d, 2
je .loop2
cmp r4d, 4
je .loop4
cmp r4d, 6
je .loop6
cmp r4d, 8
je .loop8
cmp r4d, 10
je .loop10
cmp r4d, 12
je .loop12
SCALARPRODUCT_LOOP 14
SCALARPRODUCT_LOOP 12
SCALARPRODUCT_LOOP 10
SCALARPRODUCT_LOOP 8
SCALARPRODUCT_LOOP 6
SCALARPRODUCT_LOOP 4
SCALARPRODUCT_LOOP 2
SCALARPRODUCT_LOOP 0
.end:
movhlps m0, m6
paddd m6, m0
pshuflw m0, m6, 0x4e
paddd m6, m0
movd eax, m6
RET
; void ff_add_hfyu_median_prediction_mmx2(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int w, int *left, int *left_top)
cglobal add_hfyu_median_prediction_mmx2, 6,6,0, dst, top, diff, w, left, left_top
movq mm0, [topq]
movq mm2, mm0
movd mm4, [left_topq]
psllq mm2, 8
movq mm1, mm0
por mm4, mm2
movd mm3, [leftq]
psubb mm0, mm4 ; t-tl
add dstq, wq
add topq, wq
add diffq, wq
neg wq
jmp .skip
.loop:
movq mm4, [topq+wq]
movq mm0, mm4
psllq mm4, 8
por mm4, mm1
movq mm1, mm0 ; t
psubb mm0, mm4 ; t-tl
.skip:
movq mm2, [diffq+wq]
%assign i 0
%rep 8
movq mm4, mm0
paddb mm4, mm3 ; t-tl+l
movq mm5, mm3
pmaxub mm3, mm1
pminub mm5, mm1
pminub mm3, mm4
pmaxub mm3, mm5 ; median
paddb mm3, mm2 ; +residual
%if i==0
movq mm7, mm3
psllq mm7, 56
%else
movq mm6, mm3
psrlq mm7, 8
psllq mm6, 56
por mm7, mm6
%endif
%if i<7
psrlq mm0, 8
psrlq mm1, 8
psrlq mm2, 8
%endif
%assign i i+1
%endrep
movq [dstq+wq], mm7
add wq, 8
jl .loop
movzx r2d, byte [dstq-1]
mov [leftq], r2d
movzx r2d, byte [topq-1]
mov [left_topq], r2d
RET
%macro ADD_HFYU_LEFT_LOOP 1 ; %1 = is_aligned
add srcq, wq
add dstq, wq
neg wq
%%.loop:
mova m1, [srcq+wq]
mova m2, m1
psllw m1, 8
paddb m1, m2
mova m2, m1
pshufb m1, m3
paddb m1, m2
pshufb m0, m5
mova m2, m1
pshufb m1, m4
paddb m1, m2
%if mmsize == 16
mova m2, m1
pshufb m1, m6
paddb m1, m2
%endif
paddb m0, m1
%if %1
mova [dstq+wq], m0
%else
movq [dstq+wq], m0
movhps [dstq+wq+8], m0
%endif
add wq, mmsize
jl %%.loop
mov eax, mmsize-1
sub eax, wd
movd m1, eax
pshufb m0, m1
movd eax, m0
RET
%endmacro
; int ff_add_hfyu_left_prediction(uint8_t *dst, const uint8_t *src, int w, int left)
INIT_MMX
cglobal add_hfyu_left_prediction_ssse3, 3,3,7, dst, src, w, left
.skip_prologue:
mova m5, [pb_7 GLOBAL]
mova m4, [pb_zzzz3333zzzzbbbb GLOBAL]
mova m3, [pb_zz11zz55zz99zzdd GLOBAL]
movd m0, leftm
psllq m0, 56
ADD_HFYU_LEFT_LOOP 1
INIT_XMM
cglobal add_hfyu_left_prediction_sse4, 3,3,7, dst, src, w, left
mova m5, [pb_f GLOBAL]
mova m6, [pb_zzzzzzzz77777777 GLOBAL]
mova m4, [pb_zzzz3333zzzzbbbb GLOBAL]
mova m3, [pb_zz11zz55zz99zzdd GLOBAL]
movd m0, leftm
pslldq m0, 15
test srcq, 15
jnz add_hfyu_left_prediction_ssse3.skip_prologue
test dstq, 15
jnz .unaligned
ADD_HFYU_LEFT_LOOP 1
.unaligned:
ADD_HFYU_LEFT_LOOP 0
; float ff_scalarproduct_float_sse(const float *v1, const float *v2, int len)
cglobal scalarproduct_float_sse, 3,3,2, v1, v2, offset
neg offsetq
shl offsetq, 2
sub v1q, offsetq
sub v2q, offsetq
xorps xmm0, xmm0
.loop:
movaps xmm1, [v1q+offsetq]
mulps xmm1, [v2q+offsetq]
addps xmm0, xmm1
add offsetq, 16
js .loop
movhlps xmm1, xmm0
addps xmm0, xmm1
movss xmm1, xmm0
shufps xmm0, xmm0, 1
addss xmm0, xmm1
%ifndef ARCH_X86_64
movd r0m, xmm0
fld dword r0m
%endif
RET