mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.8 KiB
104 lines
2.8 KiB
;***************************************************************************** |
|
;* x86-optimized Float DSP functions |
|
;* |
|
;* Copyright 2006 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 |
|
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
;****************************************************************************** |
|
|
|
%include "x86inc.asm" |
|
%include "x86util.asm" |
|
|
|
SECTION .text |
|
|
|
;----------------------------------------------------------------------------- |
|
; void vector_fmul(float *dst, const float *src0, const float *src1, int len) |
|
;----------------------------------------------------------------------------- |
|
%macro VECTOR_FMUL 0 |
|
cglobal vector_fmul, 4,4,2, dst, src0, src1, len |
|
lea lenq, [lend*4 - 2*mmsize] |
|
ALIGN 16 |
|
.loop |
|
mova m0, [src0q + lenq] |
|
mova m1, [src0q + lenq + mmsize] |
|
mulps m0, m0, [src1q + lenq] |
|
mulps m1, m1, [src1q + lenq + mmsize] |
|
mova [dstq + lenq], m0 |
|
mova [dstq + lenq + mmsize], m1 |
|
|
|
sub lenq, 2*mmsize |
|
jge .loop |
|
%if mmsize == 32 |
|
vzeroupper |
|
RET |
|
%else |
|
REP_RET |
|
%endif |
|
%endmacro |
|
|
|
INIT_XMM sse |
|
VECTOR_FMUL |
|
%if HAVE_AVX |
|
INIT_YMM avx |
|
VECTOR_FMUL |
|
%endif |
|
|
|
;------------------------------------------------------------------------------ |
|
; void ff_vector_fmac_scalar(float *dst, const float *src, float mul, int len) |
|
;------------------------------------------------------------------------------ |
|
|
|
%macro VECTOR_FMAC_SCALAR 0 |
|
%if UNIX64 |
|
cglobal vector_fmac_scalar, 3,3,3, dst, src, len |
|
%else |
|
cglobal vector_fmac_scalar, 4,4,3, dst, src, mul, len |
|
%endif |
|
%if WIN64 |
|
SWAP 0, 2 |
|
%endif |
|
%if ARCH_X86_32 |
|
VBROADCASTSS m0, mulm |
|
%else |
|
shufps xmm0, xmm0, 0 |
|
%if cpuflag(avx) |
|
vinsertf128 m0, m0, xmm0, 1 |
|
%endif |
|
%endif |
|
lea lenq, [lend*4-2*mmsize] |
|
.loop |
|
mulps m1, m0, [srcq+lenq ] |
|
mulps m2, m0, [srcq+lenq+mmsize] |
|
addps m1, m1, [dstq+lenq ] |
|
addps m2, m2, [dstq+lenq+mmsize] |
|
mova [dstq+lenq ], m1 |
|
mova [dstq+lenq+mmsize], m2 |
|
sub lenq, 2*mmsize |
|
jge .loop |
|
%if mmsize == 32 |
|
vzeroupper |
|
RET |
|
%else |
|
REP_RET |
|
%endif |
|
%endmacro |
|
|
|
INIT_XMM sse |
|
VECTOR_FMAC_SCALAR |
|
%if HAVE_AVX |
|
INIT_YMM avx |
|
VECTOR_FMAC_SCALAR |
|
%endif
|
|
|