2 * Copyright (C) 2009 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 * This file contains codegen for the Thumb ISA and is intended to be
21 * Codegen-$(TARGET_ARCH_VARIANT).c
25 /* Stress mode for testing: if defined will reverse corereg/floatreg hint */
26 //#define REGCLASS_STRESS_MODE
29 * Alloc a pair of core registers, or a double. Low reg in low byte,
30 * high reg in next byte.
32 int dvmCompilerAllocTypedTempPair(CompilationUnit *cUnit,
33 bool fpHint, int regClass)
39 #if defined(REGCLASS_STRESS_MODE)
43 if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg)) {
44 lowReg = dvmCompilerAllocTempDouble(cUnit);
47 lowReg = dvmCompilerAllocTemp(cUnit);
48 highReg = dvmCompilerAllocTemp(cUnit);
50 res = (lowReg & 0xff) | ((highReg & 0xff) << 8);
54 int dvmCompilerAllocTypedTemp(CompilationUnit *cUnit, bool fpHint,
57 #if defined(REGCLASS_STRESS_MODE)
60 if (((regClass == kAnyReg) && fpHint) || (regClass == kFPReg))
61 return dvmCompilerAllocTempFloat(cUnit);
62 return dvmCompilerAllocTemp(cUnit);