| /* |
| * 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. |
| */ |
| s8 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; |
| } |
| |
| s8 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; |
| } |