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      1 /*
      2  * Copyright (C) 2009 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 Mips 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 dvmCompilerAllocTypedTempPair(CompilationUnit *cUnit, bool fpHint,
     30                                   int regClass)
     31 {
     32     int highReg;
     33     int lowReg;
     34     int res = 0;
     35 
     36 #ifdef __mips_hard_float
     37     if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg)) {
     38         lowReg = dvmCompilerAllocTempDouble(cUnit);
     39         highReg = lowReg + 1;
     40         res = (lowReg & 0xff) | ((highReg & 0xff) << 8);
     41         return res;
     42     }
     43 #endif
     44 
     45     lowReg = dvmCompilerAllocTemp(cUnit);
     46     highReg = dvmCompilerAllocTemp(cUnit);
     47     res = (lowReg & 0xff) | ((highReg & 0xff) << 8);
     48     return res;
     49 }
     50 
     51 int dvmCompilerAllocTypedTemp(CompilationUnit *cUnit, bool fpHint, int regClass)
     52 {
     53 #ifdef __mips_hard_float
     54     if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg))
     55 {
     56         return dvmCompilerAllocTempFloat(cUnit);
     57 }
     58 #endif
     59     return dvmCompilerAllocTemp(cUnit);
     60 }
     61