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;******************************************************************************
;* optimized audio functions
;* 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 .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
add orderd, orderd
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 (SSE2 version)
; %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 0
%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 + 4 * (1 + %3))
%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
VECTOR_CLIP_INT32 0, 1, 0, 0
INIT_XMM sse2
VECTOR_CLIP_INT32 6, 1, 0, 0, _int
VECTOR_CLIP_INT32 6, 2, 0, 1
INIT_XMM sse4
%ifdef m8
VECTOR_CLIP_INT32 11, 1, 1, 0
%else
VECTOR_CLIP_INT32 6, 1, 0, 0
%endif
; void ff_vector_clipf_sse(float *dst, const float *src,
; int len, float min, float max)
INIT_XMM sse
cglobal vector_clipf, 3, 3, 6, dst, src, len, min, max
%if ARCH_X86_32
VBROADCASTSS m0, minm
VBROADCASTSS m1, maxm
%elif WIN64
VBROADCASTSS m0, m3
VBROADCASTSS m1, maxm
%else ; 64bit sysv
VBROADCASTSS m0, m0
VBROADCASTSS m1, m1
%endif
movsxdifnidn lenq, lend
.loop:
mova m2, [srcq + 4 * lenq - 4 * mmsize]
mova m3, [srcq + 4 * lenq - 3 * mmsize]
mova m4, [srcq + 4 * lenq - 2 * mmsize]
mova m5, [srcq + 4 * lenq - 1 * mmsize]
maxps m2, m0
maxps m3, m0
maxps m4, m0
maxps m5, m0
minps m2, m1
minps m3, m1
minps m4, m1
minps m5, m1
mova [dstq + 4 * lenq - 4 * mmsize], m2
mova [dstq + 4 * lenq - 3 * mmsize], m3
mova [dstq + 4 * lenq - 2 * mmsize], m4
mova [dstq + 4 * lenq - 1 * mmsize], m5
sub lenq, mmsize
jg .loop
RET
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