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x86/dsputilenc: implement SSE2 versions of pix_{sum16, norm1}

Browse Source 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer 2014-05-27 13:57:15 -03:00 committed by Michael Niedermayer
parent d228271813
commit 561bfc85eb
3 changed files with 72 additions and 40 deletions
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103
libavcodec/x86/dsputilenc.asm
View File

@ -23,6 +23,10 @@
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
cextern pw_1
SECTION .text
%macro DIFF_PIXELS_1 4
@ -439,73 +443,92 @@ cglobal diff_pixels, 4, 5, 5
jne .loop
RET
INIT_MMX mmx
; int ff_pix_sum16_mmx(uint8_t *pix, int line_size)
cglobal pix_sum16, 2, 3
; %1 = number of xmm registers used
; %2 = number of loops
%macro PIX_SUM16 2
cglobal pix_sum16, 2, 3, %1
movsxdifnidn r1, r1d
mov r2, r1
neg r2
shl r2, 4
sub r0, r2
pxor m7, m7
pxor m6, m6
mov r2, %2
pxor m5, m5
pxor m4, m4
.loop:
mova m0, [r0+r2+0]
mova m1, [r0+r2+0]
mova m2, [r0+r2+8]
mova m3, [r0+r2+8]
punpcklbw m0, m7
punpckhbw m1, m7
punpcklbw m2, m7
punpckhbw m3, m7
mova m0, [r0]
%if mmsize == 8
mova m1, [r0+8]
%else
mova m1, [r0+r1]
%endif
punpckhbw m2, m0, m5
punpcklbw m0, m5
punpckhbw m3, m1, m5
punpcklbw m1, m5
paddw m1, m0
paddw m3, m2
paddw m3, m1
paddw m6, m3
add r2, r1
js .loop
mova m5, m6
psrlq m6, 32
paddw m6, m5
mova m5, m6
psrlq m6, 16
paddw m6, m5
movd eax, m6
paddw m4, m3
%if mmsize == 8
add r0, r1
%else
lea r0, [r0+r1*2]
%endif
dec r2
jne .loop
HADDW m4, m5
movd eax, m4
and eax, 0xffff
RET
%endmacro
INIT_MMX mmx
PIX_SUM16 0, 16
INIT_XMM sse2
PIX_SUM16 6, 8
; int ff_pix_norm1_mmx(uint8_t *pix, int line_size)
cglobal pix_norm1, 2, 4
; %1 = number of xmm registers used
; %2 = number of loops
%macro PIX_NORM1 2
cglobal pix_norm1, 2, 3, %1
movsxdifnidn r1, r1d
mov r2, 16
mov r2, %2
pxor m0, m0
pxor m7, m7
pxor m5, m5
.loop:
mova m2, [r0+0]
%if mmsize == 8
mova m3, [r0+8]
mova m1, m2
punpckhbw m1, m0
%else
mova m3, [r0+r1]
%endif
punpckhbw m1, m2, m0
punpcklbw m2, m0
mova m4, m3
punpckhbw m3, m0
punpcklbw m4, m0
punpckhbw m4, m3, m0
punpcklbw m3, m0
pmaddwd m1, m1
pmaddwd m2, m2
pmaddwd m3, m3
pmaddwd m4, m4
paddd m2, m1
paddd m4, m3
paddd m7, m2
paddd m5, m2
paddd m5, m4
%if mmsize == 8
add r0, r1
paddd m7, m4
%else
lea r0, [r0+r1*2]
%endif
dec r2
jne .loop
mova m1, m7
psrlq m7, 32
paddd m1, m7
movd eax, m1
HADDD m5, m1
movd eax, m5
RET
%endmacro
INIT_MMX mmx
PIX_NORM1 0, 16
INIT_XMM sse2
PIX_NORM1 6, 8
;-----------------------------------------------
;int ff_sum_abs_dctelem(int16_t *block)

4
libavcodec/x86/dsputilenc_mmx.c
View File

@ -38,7 +38,9 @@ void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const uint8_t *s2,
void ff_diff_pixels_sse2(int16_t *block, const uint8_t *s1, const uint8_t *s2,
int stride);
int ff_pix_sum16_mmx(uint8_t *pix, int line_size);
int ff_pix_sum16_sse2(uint8_t *pix, int line_size);
int ff_pix_norm1_mmx(uint8_t *pix, int line_size);
int ff_pix_norm1_sse2(uint8_t *pix, int line_size);
int ff_sum_abs_dctelem_mmx(int16_t *block);
int ff_sum_abs_dctelem_mmxext(int16_t *block);
int ff_sum_abs_dctelem_sse2(int16_t *block);
@ -906,6 +908,8 @@ av_cold void ff_dsputilenc_init_mmx(DSPContext *c, AVCodecContext *avctx,
c->sse[0] = ff_sse16_sse2;
c->sum_abs_dctelem = ff_sum_abs_dctelem_sse2;
c->diff_pixels = ff_diff_pixels_sse2;
c->pix_sum = ff_pix_sum16_sse2;
c->pix_norm1 = ff_pix_norm1_sse2;
#if HAVE_ALIGNED_STACK
c->hadamard8_diff[0] = ff_hadamard8_diff16_sse2;

5
libavutil/x86/x86util.asm
View File

@ -288,7 +288,12 @@
paddd %1, %2
%endif
%if notcpuflag(xop) || sizeof%1 != 16
%if cpuflag(mmxext)
PSHUFLW %2, %1, q0032
%else ; mmx
mova %2, %1
psrlq %2, 32
%endif
paddd %1, %2
%endif
%undef %1