/*

 * 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_f64_s32_sse(double *dst, int dst_stride, int32_t *src, int src_stride, int n)

{

#if !defined(__WINSCW__) && !defined(__WINS__)      

	int i;

	for(i=0;i<n;i++){

		asm volatile(

			"	cvtsi2sd 0(%0), %%xmm0		\n"

			"	movq %%xmm0, 0(%1)		\n"

			:

			: "a" (src), "c" (dst)

			/* : "xmm0" */

		);

		dst = OIL_OFFSET(dst, dst_stride);

		src = OIL_OFFSET(src, src_stride);

	}

#endif	

}

OIL_DEFINE_IMPL_FULL(conv_f64_s32_sse, conv_f64_s32, OIL_IMPL_FLAG_SSE2);

/* suboptimal */

static void conv_s32_f64_sse(int32_t *dst, int dst_stride, double *src, int src_stride, int n)

{

#if !defined(__WINSCW__) && !defined(__WINS__)      

	int i;

	int eax;

	for(i=0;i<n;i++){

		asm volatile(

			"	cvtsd2si 0(%1), %0		\n"

			: "=a" (eax)

			: "c" (src)

		);

		*dst = eax;

		dst = OIL_OFFSET(dst, dst_stride);

		src = OIL_OFFSET(src, src_stride);

	}

#endif	

}

OIL_DEFINE_IMPL_FULL(conv_s32_f64_sse, conv_s32_f64, OIL_IMPL_FLAG_SSE2);

/* suboptimal */

static void conv_s32_f32_sse(int32_t *dst, int dst_stride, double *src, int src_stride, int n)

{

#if !defined(__WINSCW__) && !defined(__WINS__)      

	int i;

	for(i=0;i<n;i++){

		asm volatile(

                    "  movd 0(%1), %%xmm0\n"

		    "  cvtps2pi %%xmm0, %%mm0\n"

                    "  movd %%mm0, 0(%0)\n"

			:

                        : "r" (dst), "r" (src)

		);

		dst = OIL_OFFSET(dst, dst_stride);

		src = OIL_OFFSET(src, src_stride);

	}

        asm volatile ("emms\n");

#endif

}

OIL_DEFINE_IMPL_FULL(conv_s32_f32_sse, conv_s32_f32, OIL_IMPL_FLAG_SSE2 | OIL_IMPL_FLAG_MMX);

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_conv_f64_s32_sse, conv_f64_s32() {

		return &_oil_function_impl_conv_f64_s32_sse, conv_f64_s32;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_conv_s32_f64_sse, conv_s32_f64() {

		return &_oil_function_impl_conv_s32_f64_sse, conv_s32_f64;

}

#endif

#ifdef	__SYMBIAN32__

OilFunctionImpl* __oil_function_impl_conv_s32_f32_sse, conv_s32_f32() {

		return &_oil_function_impl_conv_s32_f32_sse, conv_s32_f32;

}

#endif