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FFmpeg/libavutil/x86/float_dsp.asm
Michael Niedermayer 2fc7c818cb Merge remote-tracking branch 'qatar/master'
* qatar/master:
  x86: fix build with nasm 2.08
  x86: use nop cpu directives only if supported
  x86: fix rNmp macros with nasm
  build: add trailing / to yasm/nasm -I flags
  x86: use 32-bit source registers with movd instruction
  x86: add colons after labels

Conflicts:
	Makefile
	libavutil/x86/x86inc.asm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-07 23:04:55 +02:00

95 lines
2.7 KiB
NASM

;*****************************************************************************
;* 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
REP_RET
%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
REP_RET
%endmacro
INIT_XMM sse
VECTOR_FMAC_SCALAR
%if HAVE_AVX
INIT_YMM avx
VECTOR_FMAC_SCALAR
%endif