mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 08:42:39 +00:00
566b7a20fd
97c -> 49c Some codecs could benefit from more unrolling, but AAC doesn't.
281 lines
7.7 KiB
NASM
281 lines
7.7 KiB
NASM
;*****************************************************************************
|
|
;* x86-optimized Float DSP functions
|
|
;*
|
|
;* 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 "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
|
|
INIT_YMM avx
|
|
VECTOR_FMUL
|
|
|
|
;------------------------------------------------------------------------------
|
|
; 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 ARCH_X86_32
|
|
VBROADCASTSS m0, mulm
|
|
%else
|
|
%if WIN64
|
|
mova xmm0, xmm2
|
|
%endif
|
|
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
|
|
INIT_YMM avx
|
|
VECTOR_FMAC_SCALAR
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void ff_vector_fmul_scalar(float *dst, const float *src, float mul, int len)
|
|
;------------------------------------------------------------------------------
|
|
|
|
%macro VECTOR_FMUL_SCALAR 0
|
|
%if UNIX64
|
|
cglobal vector_fmul_scalar, 3,3,2, dst, src, len
|
|
%else
|
|
cglobal vector_fmul_scalar, 4,4,3, dst, src, mul, len
|
|
%endif
|
|
%if ARCH_X86_32
|
|
movss m0, mulm
|
|
%elif WIN64
|
|
SWAP 0, 2
|
|
%endif
|
|
shufps m0, m0, 0
|
|
lea lenq, [lend*4-mmsize]
|
|
.loop:
|
|
mova m1, [srcq+lenq]
|
|
mulps m1, m0
|
|
mova [dstq+lenq], m1
|
|
sub lenq, mmsize
|
|
jge .loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse
|
|
VECTOR_FMUL_SCALAR
|
|
|
|
;------------------------------------------------------------------------------
|
|
; void ff_vector_dmul_scalar(double *dst, const double *src, double mul,
|
|
; int len)
|
|
;------------------------------------------------------------------------------
|
|
|
|
%macro VECTOR_DMUL_SCALAR 0
|
|
%if ARCH_X86_32
|
|
cglobal vector_dmul_scalar, 3,4,3, dst, src, mul, len, lenaddr
|
|
mov lenq, lenaddrm
|
|
%elif UNIX64
|
|
cglobal vector_dmul_scalar, 3,3,3, dst, src, len
|
|
%else
|
|
cglobal vector_dmul_scalar, 4,4,3, dst, src, mul, len
|
|
%endif
|
|
%if ARCH_X86_32
|
|
VBROADCASTSD m0, mulm
|
|
%else
|
|
%if WIN64
|
|
movlhps xmm2, xmm2
|
|
%if cpuflag(avx)
|
|
vinsertf128 ymm2, ymm2, xmm2, 1
|
|
%endif
|
|
SWAP 0, 2
|
|
%else
|
|
movlhps xmm0, xmm0
|
|
%if cpuflag(avx)
|
|
vinsertf128 ymm0, ymm0, xmm0, 1
|
|
%endif
|
|
%endif
|
|
%endif
|
|
lea lenq, [lend*8-2*mmsize]
|
|
.loop:
|
|
mulpd m1, m0, [srcq+lenq ]
|
|
mulpd m2, m0, [srcq+lenq+mmsize]
|
|
mova [dstq+lenq ], m1
|
|
mova [dstq+lenq+mmsize], m2
|
|
sub lenq, 2*mmsize
|
|
jge .loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse2
|
|
VECTOR_DMUL_SCALAR
|
|
%if HAVE_AVX_EXTERNAL
|
|
INIT_YMM avx
|
|
VECTOR_DMUL_SCALAR
|
|
%endif
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; vector_fmul_add(float *dst, const float *src0, const float *src1,
|
|
; const float *src2, int len)
|
|
;-----------------------------------------------------------------------------
|
|
%macro VECTOR_FMUL_ADD 0
|
|
cglobal vector_fmul_add, 5,5,2, dst, src0, src1, src2, 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]
|
|
addps m0, m0, [src2q + lenq]
|
|
addps m1, m1, [src2q + 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_ADD
|
|
INIT_YMM avx
|
|
VECTOR_FMUL_ADD
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void vector_fmul_reverse(float *dst, const float *src0, const float *src1,
|
|
; int len)
|
|
;-----------------------------------------------------------------------------
|
|
%macro VECTOR_FMUL_REVERSE 0
|
|
cglobal vector_fmul_reverse, 4,4,2, dst, src0, src1, len
|
|
lea lenq, [lend*4 - 2*mmsize]
|
|
ALIGN 16
|
|
.loop:
|
|
%if cpuflag(avx)
|
|
vmovaps xmm0, [src1q + 16]
|
|
vinsertf128 m0, m0, [src1q], 1
|
|
vshufps m0, m0, m0, q0123
|
|
vmovaps xmm1, [src1q + mmsize + 16]
|
|
vinsertf128 m1, m1, [src1q + mmsize], 1
|
|
vshufps m1, m1, m1, q0123
|
|
%else
|
|
mova m0, [src1q]
|
|
mova m1, [src1q + mmsize]
|
|
shufps m0, m0, q0123
|
|
shufps m1, m1, q0123
|
|
%endif
|
|
mulps m0, m0, [src0q + lenq + mmsize]
|
|
mulps m1, m1, [src0q + lenq]
|
|
mova [dstq + lenq + mmsize], m0
|
|
mova [dstq + lenq], m1
|
|
add src1q, 2*mmsize
|
|
sub lenq, 2*mmsize
|
|
jge .loop
|
|
REP_RET
|
|
%endmacro
|
|
|
|
INIT_XMM sse
|
|
VECTOR_FMUL_REVERSE
|
|
INIT_YMM avx
|
|
VECTOR_FMUL_REVERSE
|
|
|
|
; float scalarproduct_float_sse(const float *v1, const float *v2, int len)
|
|
INIT_XMM sse
|
|
cglobal scalarproduct_float, 3,3,2, v1, v2, offset
|
|
neg offsetq
|
|
shl offsetq, 2
|
|
sub v1q, offsetq
|
|
sub v2q, offsetq
|
|
xorps xmm0, xmm0
|
|
.loop:
|
|
movaps xmm1, [v1q+offsetq]
|
|
mulps xmm1, [v2q+offsetq]
|
|
addps xmm0, xmm1
|
|
add offsetq, 16
|
|
js .loop
|
|
movhlps xmm1, xmm0
|
|
addps xmm0, xmm1
|
|
movss xmm1, xmm0
|
|
shufps xmm0, xmm0, 1
|
|
addss xmm0, xmm1
|
|
%if ARCH_X86_64 == 0
|
|
movss r0m, xmm0
|
|
fld dword r0m
|
|
%endif
|
|
RET
|
|
|
|
;-----------------------------------------------------------------------------
|
|
; void ff_butterflies_float(float *src0, float *src1, int len);
|
|
;-----------------------------------------------------------------------------
|
|
INIT_XMM sse
|
|
cglobal butterflies_float, 3,3,3, src0, src1, len
|
|
%if ARCH_X86_64
|
|
movsxd lenq, lend
|
|
%endif
|
|
test lenq, lenq
|
|
jz .end
|
|
shl lenq, 2
|
|
lea src0q, [src0q + lenq]
|
|
lea src1q, [src1q + lenq]
|
|
neg lenq
|
|
.loop:
|
|
mova m0, [src0q + lenq]
|
|
mova m1, [src1q + lenq]
|
|
subps m2, m0, m1
|
|
addps m0, m0, m1
|
|
mova [src1q + lenq], m2
|
|
mova [src0q + lenq], m0
|
|
add lenq, mmsize
|
|
jl .loop
|
|
.end:
|
|
REP_RET
|