|
|
|
|
;******************************************************************************
|
|
|
|
|
;* x86 optimized Format Conversion 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
|
|
|
|
|
;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
|
;******************************************************************************
|
|
|
|
|
|
|
|
|
|
%include "x86inc.asm"
|
|
|
|
|
|
|
|
|
|
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 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
|
