| buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | /* |
| 18 | * This file contains codegen for the Thumb ISA and is intended to be |
| 19 | * includes by: |
| 20 | * |
| 21 | * Codegen-$(TARGET_ARCH_VARIANT).c |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | /* |
| 26 | * Alloc a pair of core registers, or a double. Low reg in low byte, |
| 27 | * high reg in next byte. |
| 28 | */ |
| 29 | int oatAllocTypedTempPair(CompilationUnit* cUnit, bool fpHint, int regClass) |
| 30 | { |
| 31 | int highReg; |
| 32 | int lowReg; |
| 33 | int res = 0; |
| 34 | |
| 35 | if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg)) { |
| 36 | lowReg = oatAllocTempDouble(cUnit); |
| 37 | highReg = lowReg + 1; |
| 38 | } else { |
| 39 | lowReg = oatAllocTemp(cUnit); |
| 40 | highReg = oatAllocTemp(cUnit); |
| 41 | } |
| 42 | res = (lowReg & 0xff) | ((highReg & 0xff) << 8); |
| 43 | return res; |
| 44 | } |
| 45 | |
| 46 | int oatAllocTypedTemp(CompilationUnit* cUnit, bool fpHint, int regClass) |
| 47 | { |
| 48 | if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg)) |
| 49 | return oatAllocTempFloat(cUnit); |
| 50 | return oatAllocTemp(cUnit); |
| 51 | } |