blob: b18e4da36f1e81a817d6242c657dd28148505269 [file] [log] [blame]
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Dalvik.h"
#include "CompilerInternals.h"
/* FIXME - codegen helper functions, move to art runtime proper */
/*
* Float/double conversion requires clamping to min and max of integer form. If
* target doesn't support this normally, use these.
*/
int64_t artD2L(double d)
{
static const double kMaxLong = (double)(s8)0x7fffffffffffffffULL;
static const double kMinLong = (double)(s8)0x8000000000000000ULL;
if (d >= kMaxLong)
return (s8)0x7fffffffffffffffULL;
else if (d <= kMinLong)
return (s8)0x8000000000000000ULL;
else if (d != d) // NaN case
return 0;
else
return (s8)d;
}
int64_t artF2L(float f)
{
static const float kMaxLong = (float)(s8)0x7fffffffffffffffULL;
static const float kMinLong = (float)(s8)0x8000000000000000ULL;
if (f >= kMaxLong)
return (s8)0x7fffffffffffffffULL;
else if (f <= kMinLong)
return (s8)0x8000000000000000ULL;
else if (f != f) // NaN case
return 0;
else
return (s8)f;
}