| author | andy simpson <andrews@symbian.org> |
| Wed, 16 Jun 2010 08:14:03 +0100 | |
| branch | GCC_SURGE |
| changeset 36 | 6a60b9d459b4 |
| parent 18 | 47c74d1534e1 |
| permissions | -rw-r--r-- |
/* * LIBOIL - Library of Optimized Inner Loops * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ //Portions Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <liboil/liboilfunction.h> #include <liboil/liboilclasses.h> /* suboptimal */ static void conv_f32_s16_3dnow (float *dst, int dst_stride, int16_t * src, int src_stride, int n) { #if !defined(__WINSCW__) && !defined(__WINS__) int i; for (i = 0; i < n; i++) { asm volatile (" movswl 0(%0), %%eax \n" " movd %%eax, %%mm0 \n" " pi2fd %%mm0, %%mm0 \n" " movd %%mm0, 0(%1) \n" ::"r" (src), "r" (dst) :"eax"); dst = OIL_OFFSET (dst, dst_stride); src = OIL_OFFSET (src, src_stride); } asm volatile ("emms"); #endif } OIL_DEFINE_IMPL_FULL (conv_f32_s16_3dnow, conv_f32_s16, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW); #ifdef ENABLE_BROKEN_IMPLS /* suboptimal */ /* This appears to fail because of differences in rounding of half * integers. */ static void conv_s32_f32_3dnow (int32_t * dst, int dst_stride, float *src, int src_stride, int n) { int i; const float constants[][2] = { { 0.5, 0.5}, {-1.0, -1.0} }; for (i = 0; i < n; i++) { asm volatile ( " movq 0(%0), %%mm0 \n" " pxor %%mm1, %%mm1 \n" " pfcmpgt %%mm0, %%mm1 \n" " movq %%mm0, %%mm2 \n" " pfadd 0(%2), %%mm0 \n" " pfcmpeq %%mm0, %%mm2 \n" " pandn %%mm1, %%mm2 \n" " pf2id %%mm0, %%mm0 \n" " paddd %%mm2, %%mm0 \n" " movd %%mm0, 0(%1) \n" : :"r" (src), "r" (dst), "r" (constants) ); dst = OIL_OFFSET (dst, dst_stride); src = OIL_OFFSET (src, src_stride); } asm volatile ("emms"); } OIL_DEFINE_IMPL_FULL (conv_s32_f32_3dnow, conv_s32_f32, OIL_IMPL_FLAG_MMX|OIL_IMPL_FLAG_3DNOW); #endif #ifdef __SYMBIAN32__ OilFunctionImpl* __oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16() { return &_oil_function_impl_conv_f32_s16_3dnow, conv_f32_s16; } #endif #ifdef __SYMBIAN32__ OilFunctionImpl* __oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32() { return &_oil_function_impl_conv_s32_f32_3dnow, conv_s32_f32; } #endif