mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-09-25 15:50:48 +00:00
249 lines
5.8 KiB
NASM
249 lines
5.8 KiB
NASM
;******************************************************************************
|
|
;* MMX optimized DSP utils
|
|
;* Copyright (c) 2008 Loren Merritt
|
|
;*
|
|
;* This file is part of Libav.
|
|
;*
|
|
;* Libav 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.
|
|
;*
|
|
;* Libav 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 Libav; if not, write to the Free Software
|
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
;******************************************************************************
|
|
|
|
%include "libavutil/x86/x86util.asm"
|
|
|
|
SECTION_RODATA
|
|
pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
|
|
|
|
SECTION_TEXT
|
|
|
|
%macro SCALARPRODUCT 0
|
|
; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order)
|
|
cglobal scalarproduct_int16, 3,3,3, v1, v2, order
|
|
shl orderq, 1
|
|
add v1q, orderq
|
|
add v2q, orderq
|
|
neg orderq
|
|
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
|
|
pshuflw m0, m2, 0x4e
|
|
%else
|
|
pshufw m0, m2, 0x4e
|
|
%endif
|
|
paddd m2, m0
|
|
movd eax, m2
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_MMX mmxext
|
|
SCALARPRODUCT
|
|
INIT_XMM sse2
|
|
SCALARPRODUCT
|
|
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
|
|
; int32_t max, unsigned int len)
|
|
;-----------------------------------------------------------------------------
|
|
|
|
; %1 = number of xmm registers used
|
|
; %2 = number of inline load/process/store loops per asm loop
|
|
; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop
|
|
; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2)
|
|
; %5 = suffix
|
|
%macro VECTOR_CLIP_INT32 4-5
|
|
cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len
|
|
%if %4
|
|
cvtsi2ss m4, minm
|
|
cvtsi2ss m5, maxm
|
|
%else
|
|
movd m4, minm
|
|
movd m5, maxm
|
|
%endif
|
|
SPLATD m4
|
|
SPLATD m5
|
|
.loop:
|
|
%assign %%i 1
|
|
%rep %2
|
|
mova m0, [srcq+mmsize*0*%%i]
|
|
mova m1, [srcq+mmsize*1*%%i]
|
|
mova m2, [srcq+mmsize*2*%%i]
|
|
mova m3, [srcq+mmsize*3*%%i]
|
|
%if %3
|
|
mova m7, [srcq+mmsize*4*%%i]
|
|
mova m8, [srcq+mmsize*5*%%i]
|
|
mova m9, [srcq+mmsize*6*%%i]
|
|
mova m10, [srcq+mmsize*7*%%i]
|
|
%endif
|
|
CLIPD m0, m4, m5, m6
|
|
CLIPD m1, m4, m5, m6
|
|
CLIPD m2, m4, m5, m6
|
|
CLIPD m3, m4, m5, m6
|
|
%if %3
|
|
CLIPD m7, m4, m5, m6
|
|
CLIPD m8, m4, m5, m6
|
|
CLIPD m9, m4, m5, m6
|
|
CLIPD m10, m4, m5, m6
|
|
%endif
|
|
mova [dstq+mmsize*0*%%i], m0
|
|
mova [dstq+mmsize*1*%%i], m1
|
|
mova [dstq+mmsize*2*%%i], m2
|
|
mova [dstq+mmsize*3*%%i], m3
|
|
%if %3
|
|
mova [dstq+mmsize*4*%%i], m7
|
|
mova [dstq+mmsize*5*%%i], m8
|
|
mova [dstq+mmsize*6*%%i], m9
|
|
mova [dstq+mmsize*7*%%i], m10
|
|
%endif
|
|
%assign %%i %%i+1
|
|
%endrep
|
|
add srcq, mmsize*4*(%2+%3)
|
|
add dstq, mmsize*4*(%2+%3)
|
|
sub lend, mmsize*(%2+%3)
|
|
jg .loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
INIT_MMX mmx
|
|
%define CLIPD CLIPD_MMX
|
|
VECTOR_CLIP_INT32 0, 1, 0, 0
|
|
INIT_XMM sse2
|
|
VECTOR_CLIP_INT32 6, 1, 0, 0, _int
|
|
%define CLIPD CLIPD_SSE2
|
|
VECTOR_CLIP_INT32 6, 2, 0, 1
|
|
INIT_XMM sse4
|
|
%define CLIPD CLIPD_SSE41
|
|
%ifdef m8
|
|
VECTOR_CLIP_INT32 11, 1, 1, 0
|
|
%else
|
|
VECTOR_CLIP_INT32 6, 1, 0, 0
|
|
%endif
|
|
|
|
; %1 = aligned/unaligned
|
|
%macro BSWAP_LOOPS 1
|
|
mov r3, r2
|
|
sar r2, 3
|
|
jz .left4_%1
|
|
.loop8_%1:
|
|
mov%1 m0, [r1 + 0]
|
|
mov%1 m1, [r1 + 16]
|
|
%if cpuflag(ssse3)
|
|
pshufb m0, m2
|
|
pshufb m1, m2
|
|
mov%1 [r0 + 0], m0
|
|
mov%1 [r0 + 16], m1
|
|
%else
|
|
pshuflw m0, m0, 10110001b
|
|
pshuflw m1, m1, 10110001b
|
|
pshufhw m0, m0, 10110001b
|
|
pshufhw m1, m1, 10110001b
|
|
mova m2, m0
|
|
mova m3, m1
|
|
psllw m0, 8
|
|
psllw m1, 8
|
|
psrlw m2, 8
|
|
psrlw m3, 8
|
|
por m2, m0
|
|
por m3, m1
|
|
mov%1 [r0 + 0], m2
|
|
mov%1 [r0 + 16], m3
|
|
%endif
|
|
add r0, 32
|
|
add r1, 32
|
|
dec r2
|
|
jnz .loop8_%1
|
|
.left4_%1:
|
|
mov r2, r3
|
|
and r3, 4
|
|
jz .left
|
|
mov%1 m0, [r1]
|
|
%if cpuflag(ssse3)
|
|
pshufb m0, m2
|
|
mov%1 [r0], m0
|
|
%else
|
|
pshuflw m0, m0, 10110001b
|
|
pshufhw m0, m0, 10110001b
|
|
mova m2, m0
|
|
psllw m0, 8
|
|
psrlw m2, 8
|
|
por m2, m0
|
|
mov%1 [r0], m2
|
|
%endif
|
|
add r1, 16
|
|
add r0, 16
|
|
%endmacro
|
|
|
|
; void ff_bswap_buf(uint32_t *dst, const uint32_t *src, int w);
|
|
%macro BSWAP32_BUF 0
|
|
%if cpuflag(ssse3)
|
|
cglobal bswap32_buf, 3,4,3
|
|
mov r3, r1
|
|
mova m2, [pb_bswap32]
|
|
%else
|
|
cglobal bswap32_buf, 3,4,5
|
|
mov r3, r1
|
|
%endif
|
|
and r3, 15
|
|
jz .start_align
|
|
BSWAP_LOOPS u
|
|
jmp .left
|
|
.start_align:
|
|
BSWAP_LOOPS a
|
|
.left:
|
|
%if cpuflag(ssse3)
|
|
mov r3, r2
|
|
and r2, 2
|
|
jz .left1
|
|
movq m0, [r1]
|
|
pshufb m0, m2
|
|
movq [r0], m0
|
|
add r1, 8
|
|
add r0, 8
|
|
.left1:
|
|
and r3, 1
|
|
jz .end
|
|
mov r2d, [r1]
|
|
bswap r2d
|
|
mov [r0], r2d
|
|
%else
|
|
and r2, 3
|
|
jz .end
|
|
.loop2:
|
|
mov r3d, [r1]
|
|
bswap r3d
|
|
mov [r0], r3d
|
|
add r1, 4
|
|
add r0, 4
|
|
dec r2
|
|
jnz .loop2
|
|
%endif
|
|
.end:
|
|
RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse2
|
|
BSWAP32_BUF
|
|
|
|
INIT_XMM ssse3
|
|
BSWAP32_BUF
|