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 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 */
dvmCompilerAllocTypedTempPair(CompilationUnit * cUnit,bool fpHint,int regClass)29 int dvmCompilerAllocTypedTempPair(CompilationUnit *cUnit, bool fpHint,
30 int regClass)
31 {
32 int highReg;
33 int lowReg;
34 int res = 0;
35 lowReg = dvmCompilerAllocTemp(cUnit);
36 highReg = dvmCompilerAllocTemp(cUnit);
37 res = (lowReg & 0xff) | ((highReg & 0xff) << 8);
38 return res;
39 }
40
dvmCompilerAllocTypedTemp(CompilationUnit * cUnit,bool fpHint,int regClass)41 int dvmCompilerAllocTypedTemp(CompilationUnit *cUnit, bool fpHint, int regClass)
42 {
43 return dvmCompilerAllocTemp(cUnit);
44 }
45