#!/usr/bin/perl

#

print <<EOF

/* This file is autogenerated.  Do not edit. */

/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2005 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.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <math.h>

#include <liboil/liboil.h>

#include <liboil/liboilclasses.h>

EOF

;

sub clamp_pointer

{

	my $kernel = shift;

	my $type = shift;

	my $low = 1;

	my $high = 1;

	($kernel eq "clamphigh") and $low = 0;

	($kernel eq "clamplow") and $high = 0;

	print <<EOF

static void

${kernel}_${type}_pointer (oil_type_${type} *dest, oil_type_${type} *src1,

    int n

EOF

;

	$low && print ("    , oil_type_${type} *low\n");

	$high && print ("    , oil_type_${type} *high\n");

	print <<EOF

    )

{

  while (n) {

    oil_type_${type} x = *src1;

EOF

;

	($low) and print ("    if (x < *low) x = *low;\n");

	($high) and print ("    if (x > *high) x = *high;\n");

	print <<EOF

    *dest = x;

    dest++;

    src1++;

    n--;

  }

}

OIL_DEFINE_IMPL (${kernel}_${type}_pointer, ${kernel}_${type});

EOF

;

}

sub clamp_unroll4

{

	my $kernel = shift;

	my $type = shift;

	my $low = 1;

	my $high = 1;

	($kernel eq "clamphigh") and $low = 0;

	($kernel eq "clamplow") and $high = 0;

	$proto = "";

	$low and $proto .= ", oil_type_${type} *low";

	$high and $proto .= ", oil_type_${type} *high";

	$clamp = "";

	$low and $clamp .= "    if (x < *low) x = *low;\n";

	$high and $clamp .= "    if (x > *high) x = *high;\n";

	print <<EOF

static void

${kernel}_${type}_unroll4 (oil_type_${type} *dest, oil_type_${type} *src,

    int n $proto)

{

  oil_type_${type} x;

  while (n&3) {

    x = *src;

$clamp

    *dest = x;

    dest++;

    src++;

    n--;

  }

  n >>= 2;

  while (n) {

    x = src[0];

$clamp

    dest[0] = x;

    x = src[1];

$clamp

    dest[1] = x;

    x = src[2];

$clamp

    dest[2] = x;

    x = src[3];

$clamp

    dest[3] = x;

    dest+=4;

    src+=4;

    n--;

  }

}

OIL_DEFINE_IMPL (${kernel}_${type}_unroll4, ${kernel}_${type});

EOF

;

}

sub clamp_trick

{

	my $kernel = shift;

	my $type = shift;

	my $low = 1;

	my $high = 1;

	($kernel eq "clamphigh") and $low = 0;

	($kernel eq "clamplow") and $high = 0;

	$proto = "";

	$low and $proto .= ", oil_type_${type} *low";

	$high and $proto .= ", oil_type_${type} *high";

	$clamp = "";

	$low and $clamp .= "    x = x - (((x-*low)>>31)&(x-*low));\n";

	$high and $clamp .= "    x = x + (((*high-x)>>31)&(*high-x));\n";

	print <<EOF

static void

${kernel}_${type}_trick (oil_type_${type} *dest, oil_type_${type} *src,

    int n $proto)

{

  int x;

  while (n&3) {

    x = *src;

$clamp

    *dest = x;

    dest++;

    src++;

    n--;

  }

  n >>= 2;

  while (n) {

    x = src[0];

$clamp

    dest[0] = x;

    x = src[1];

$clamp

    dest[1] = x;

    x = src[2];

$clamp

    dest[2] = x;

    x = src[3];

$clamp

    dest[3] = x;

    dest+=4;

    src+=4;

    n--;

  }

}

OIL_DEFINE_IMPL (${kernel}_${type}_trick, ${kernel}_${type});

EOF

;

}

clamp_pointer("clamp", "s8");

clamp_pointer("clamp", "u8");

clamp_pointer("clamp", "s16");

clamp_pointer("clamp", "u16");

clamp_pointer("clamp", "s32");

clamp_pointer("clamp", "u32");

clamp_unroll4("clamp", "s8");

clamp_unroll4("clamp", "u8");

clamp_unroll4("clamp", "s16");

clamp_unroll4("clamp", "u16");

clamp_unroll4("clamp", "s32");

clamp_unroll4("clamp", "u32");

clamp_trick("clamp", "s8");

clamp_trick("clamp", "u8");

clamp_trick("clamp", "s16");

clamp_trick("clamp", "u16");

clamp_pointer("clamphigh", "s8");

clamp_pointer("clamphigh", "u8");

clamp_pointer("clamphigh", "s16");

clamp_pointer("clamphigh", "u16");

clamp_pointer("clamphigh", "s32");

clamp_pointer("clamphigh", "u32");

clamp_unroll4("clamphigh", "s8");

clamp_unroll4("clamphigh", "u8");

clamp_unroll4("clamphigh", "s16");

clamp_unroll4("clamphigh", "u16");

clamp_unroll4("clamphigh", "s32");

clamp_unroll4("clamphigh", "u32");

clamp_trick("clamphigh", "s8");

clamp_trick("clamphigh", "u8");

clamp_trick("clamphigh", "s16");

clamp_trick("clamphigh", "u16");

clamp_pointer("clamplow", "s8");

clamp_pointer("clamplow", "u8");

clamp_pointer("clamplow", "s16");

clamp_pointer("clamplow", "u16");

clamp_pointer("clamplow", "s32");

clamp_pointer("clamplow", "u32");

clamp_unroll4("clamplow", "s8");

clamp_unroll4("clamplow", "u8");

clamp_unroll4("clamplow", "s16");

clamp_unroll4("clamplow", "u16");

clamp_unroll4("clamplow", "s32");

clamp_unroll4("clamplow", "u32");

clamp_trick("clamplow", "s8");

clamp_trick("clamplow", "u8");

clamp_trick("clamplow", "s16");

clamp_trick("clamplow", "u16");

exit 0;