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author | Nicolas Geoffray <ngeoffray@google.com> | 2014-02-28 10:23:58 +0000 |
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committer | Nicolas Geoffray <ngeoffray@google.com> | 2014-03-04 16:19:11 +0000 |
commit | d4dd255db1d110ceb5551f6d95ff31fb57420994 (patch) | |
tree | 93c9dfff8d16f2b9675c35477cc4bcd8ea3f630c /compiler/optimizing/code_generator_x86.cc | |
parent | b565506a63e75dac4a8bb9dd54dabf5259e5b95f (diff) | |
download | art-d4dd255db1d110ceb5551f6d95ff31fb57420994.zip art-d4dd255db1d110ceb5551f6d95ff31fb57420994.tar.gz art-d4dd255db1d110ceb5551f6d95ff31fb57420994.tar.bz2 |
Add codegen support to the optimizing compiler.
Change-Id: I9aae76908ff1d6e64fb71a6718fc1426b67a5c28
Diffstat (limited to 'compiler/optimizing/code_generator_x86.cc')
-rw-r--r-- | compiler/optimizing/code_generator_x86.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/compiler/optimizing/code_generator_x86.cc b/compiler/optimizing/code_generator_x86.cc new file mode 100644 index 0000000..1facfd7 --- /dev/null +++ b/compiler/optimizing/code_generator_x86.cc @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2014 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 "code_generator_x86.h" +#include "utils/assembler.h" +#include "utils/x86/assembler_x86.h" + +#define __ reinterpret_cast<X86Assembler*>(assembler())-> + +namespace art { +namespace x86 { + +void CodeGeneratorX86::GenerateFrameEntry() { + __ pushl(EBP); + __ movl(EBP, ESP); +} + +void CodeGeneratorX86::GenerateFrameExit() { + __ movl(ESP, EBP); + __ popl(EBP); +} + +void CodeGeneratorX86::Bind(Label* label) { + __ Bind(label); +} + +void CodeGeneratorX86::VisitGoto(HGoto* got) { + HBasicBlock* successor = got->GetSuccessor(); + if (graph()->exit_block() == successor) { + GenerateFrameExit(); + } else if (!GoesToNextBlock(got)) { + __ jmp(GetLabelOf(successor)); + } +} + +void CodeGeneratorX86::VisitExit(HExit* exit) { + if (kIsDebugBuild) { + __ Comment("Unreachable"); + __ int3(); + } +} + +void CodeGeneratorX86::VisitIf(HIf* if_instr) { + LOG(FATAL) << "UNIMPLEMENTED"; +} + +void CodeGeneratorX86::VisitReturnVoid(HReturnVoid* ret) { + GenerateFrameExit(); + __ ret(); +} + +} // namespace x86 +} // namespace art |