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180 lines
4.8 KiB
180 lines
4.8 KiB
;****************************************************************************** |
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;* optimized audio functions |
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;* Copyright (c) 2008 Loren Merritt |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* Libav is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with Libav; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "libavutil/x86/x86util.asm" |
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SECTION .text |
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%macro SCALARPRODUCT 0 |
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; int ff_scalarproduct_int16(int16_t *v1, int16_t *v2, int order) |
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cglobal scalarproduct_int16, 3,3,3, v1, v2, order |
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add orderd, orderd |
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add v1q, orderq |
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add v2q, orderq |
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neg orderq |
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pxor m2, m2 |
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.loop: |
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movu m0, [v1q + orderq] |
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movu m1, [v1q + orderq + mmsize] |
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pmaddwd m0, [v2q + orderq] |
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pmaddwd m1, [v2q + orderq + mmsize] |
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paddd m2, m0 |
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paddd m2, m1 |
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add orderq, mmsize*2 |
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jl .loop |
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%if mmsize == 16 |
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movhlps m0, m2 |
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paddd m2, m0 |
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pshuflw m0, m2, 0x4e |
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%else |
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pshufw m0, m2, 0x4e |
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%endif |
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paddd m2, m0 |
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movd eax, m2 |
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RET |
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%endmacro |
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INIT_MMX mmxext |
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SCALARPRODUCT |
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INIT_XMM sse2 |
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SCALARPRODUCT |
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;----------------------------------------------------------------------------- |
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; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min, |
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; int32_t max, unsigned int len) |
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;----------------------------------------------------------------------------- |
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; %1 = number of xmm registers used |
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; %2 = number of inline load/process/store loops per asm loop |
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; %3 = process 4*mmsize (%3=0) or 8*mmsize (%3=1) bytes per loop |
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; %4 = CLIPD function takes min/max as float instead of int (CLIPD_SSE2) |
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; %5 = suffix |
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%macro VECTOR_CLIP_INT32 4-5 |
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cglobal vector_clip_int32%5, 5,5,%1, dst, src, min, max, len |
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%if %4 |
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cvtsi2ss m4, minm |
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cvtsi2ss m5, maxm |
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%else |
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movd m4, minm |
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movd m5, maxm |
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%endif |
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SPLATD m4 |
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SPLATD m5 |
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.loop: |
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%assign %%i 0 |
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%rep %2 |
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mova m0, [srcq + mmsize * (0 + %%i)] |
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mova m1, [srcq + mmsize * (1 + %%i)] |
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mova m2, [srcq + mmsize * (2 + %%i)] |
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mova m3, [srcq + mmsize * (3 + %%i)] |
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%if %3 |
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mova m7, [srcq + mmsize * (4 + %%i)] |
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mova m8, [srcq + mmsize * (5 + %%i)] |
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mova m9, [srcq + mmsize * (6 + %%i)] |
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mova m10, [srcq + mmsize * (7 + %%i)] |
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%endif |
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CLIPD m0, m4, m5, m6 |
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CLIPD m1, m4, m5, m6 |
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CLIPD m2, m4, m5, m6 |
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CLIPD m3, m4, m5, m6 |
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%if %3 |
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CLIPD m7, m4, m5, m6 |
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CLIPD m8, m4, m5, m6 |
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CLIPD m9, m4, m5, m6 |
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CLIPD m10, m4, m5, m6 |
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%endif |
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mova [dstq + mmsize * (0 + %%i)], m0 |
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mova [dstq + mmsize * (1 + %%i)], m1 |
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mova [dstq + mmsize * (2 + %%i)], m2 |
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mova [dstq + mmsize * (3 + %%i)], m3 |
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%if %3 |
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mova [dstq + mmsize * (4 + %%i)], m7 |
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mova [dstq + mmsize * (5 + %%i)], m8 |
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mova [dstq + mmsize * (6 + %%i)], m9 |
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mova [dstq + mmsize * (7 + %%i)], m10 |
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%endif |
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%assign %%i (%%i + 4 * (1 + %3)) |
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%endrep |
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add srcq, mmsize*4*(%2+%3) |
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add dstq, mmsize*4*(%2+%3) |
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sub lend, mmsize*(%2+%3) |
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jg .loop |
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REP_RET |
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%endmacro |
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INIT_MMX mmx |
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%define CLIPD CLIPD_MMX |
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VECTOR_CLIP_INT32 0, 1, 0, 0 |
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INIT_XMM sse2 |
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VECTOR_CLIP_INT32 6, 1, 0, 0, _int |
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%define CLIPD CLIPD_SSE2 |
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VECTOR_CLIP_INT32 6, 2, 0, 1 |
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INIT_XMM sse4 |
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%define CLIPD CLIPD_SSE41 |
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%ifdef m8 |
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VECTOR_CLIP_INT32 11, 1, 1, 0 |
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%else |
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VECTOR_CLIP_INT32 6, 1, 0, 0 |
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%endif |
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; void ff_vector_clipf_sse(float *dst, const float *src, |
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; int len, float min, float max) |
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INIT_XMM sse |
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cglobal vector_clipf, 3, 3, 6, dst, src, len, min, max |
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%if ARCH_X86_32 |
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VBROADCASTSS m0, minm |
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VBROADCASTSS m1, maxm |
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%elif WIN64 |
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VBROADCASTSS m0, m3 |
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VBROADCASTSS m1, maxm |
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%else ; 64bit sysv |
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VBROADCASTSS m0, m0 |
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VBROADCASTSS m1, m1 |
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%endif |
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movsxdifnidn lenq, lend |
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.loop: |
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mova m2, [srcq + 4 * lenq - 4 * mmsize] |
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mova m3, [srcq + 4 * lenq - 3 * mmsize] |
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mova m4, [srcq + 4 * lenq - 2 * mmsize] |
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mova m5, [srcq + 4 * lenq - 1 * mmsize] |
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maxps m2, m0 |
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maxps m3, m0 |
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maxps m4, m0 |
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maxps m5, m0 |
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minps m2, m1 |
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minps m3, m1 |
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minps m4, m1 |
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minps m5, m1 |
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mova [dstq + 4 * lenq - 4 * mmsize], m2 |
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mova [dstq + 4 * lenq - 3 * mmsize], m3 |
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mova [dstq + 4 * lenq - 2 * mmsize], m4 |
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mova [dstq + 4 * lenq - 1 * mmsize], m5 |
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sub lenq, mmsize |
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jg .loop |
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RET
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