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Side by Side Diff: src/IceInstMIPS32.cpp

Issue 1214863019: Followup to previous MIPS commit: implement dump(), rebase more. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Created 5 years, 5 months ago
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1 //===- subzero/src/IceInstMips32.cpp - Mips32 instruction implementation --===// 1 //===- subzero/src/IceInstMips32.cpp - Mips32 instruction implementation --===//
2 // 2 //
3 // The Subzero Code Generator 3 // The Subzero Code Generator
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 // 9 //
10 /// \file 10 /// \file
11 /// This file implements the InstMips32 and OperandMips32 classes, 11 /// This file implements the InstMips32 and OperandMips32 classes,
12 /// primarily the constructors and the dump()/emit() methods. 12 /// primarily the constructors and the dump()/emit() methods.
13 /// 13 ///
14 //===----------------------------------------------------------------------===// 14 //===----------------------------------------------------------------------===//
15 15
16 #include "IceAssemblerMIPS32.h" 16 #include "IceAssemblerMIPS32.h"
17 #include "IceCfg.h" 17 #include "IceCfg.h"
18 #include "IceCfgNode.h" 18 #include "IceCfgNode.h"
19 #include "IceInst.h" 19 #include "IceInst.h"
20 #include "IceInstMIPS32.h" 20 #include "IceInstMIPS32.h"
21 #include "IceOperand.h" 21 #include "IceOperand.h"
22 #include "IceRegistersMIPS32.h" 22 #include "IceRegistersMIPS32.h"
23 #include "IceTargetLoweringMIPS32.h" 23 #include "IceTargetLoweringMIPS32.h"
24 24
25 namespace Ice { 25 namespace Ice {
26 26
27 const char *InstMIPS32::getWidthString(Type Ty) {
28 (void)Ty;
29 return "TBD";
30 }
27 31
28 InstMIPS32Ret::InstMIPS32Ret(Cfg *Func, Variable *RA, Variable *Source) 32 InstMIPS32Ret::InstMIPS32Ret(Cfg *Func, Variable *RA, Variable *Source)
29 : InstMIPS32(Func, InstMIPS32::Ret, Source ? 2 : 1, nullptr) { 33 : InstMIPS32(Func, InstMIPS32::Ret, Source ? 2 : 1, nullptr) {
30 addSource(RA); 34 addSource(RA);
31 if (Source) 35 if (Source)
32 addSource(Source); 36 addSource(Source);
33 } 37 }
34 38
39 // ======================== Dump routines ======================== //
40
41 void InstMIPS32::dump(const Cfg *Func) const {
42 if (!BuildDefs::dump())
43 return;
44 Ostream &Str = Func->getContext()->getStrDump();
45 Str << "[MIPS32] ";
46 Inst::dump(Func);
47 }
48
35 void InstMIPS32Ret::emit(const Cfg *Func) const { 49 void InstMIPS32Ret::emit(const Cfg *Func) const {
36 if (!ALLOW_DUMP) 50 if (!BuildDefs::dump())
37 return; 51 return;
38 assert(getSrcSize() > 0); 52 assert(getSrcSize() > 0);
39 Variable *RA = llvm::cast<Variable>(getSrc(0)); 53 Variable *RA = llvm::cast<Variable>(getSrc(0));
40 assert(RA->hasReg()); 54 assert(RA->hasReg());
41 assert(RA->getRegNum() == RegMIPS32::Reg_RA); 55 assert(RA->getRegNum() == RegMIPS32::Reg_RA);
42 Ostream &Str = Func->getContext()->getStrEmit(); 56 Ostream &Str = Func->getContext()->getStrEmit();
43 Str << "\t" 57 Str << "\t"
44 << "jr $ra" 58 << "jr $ra"
45 << "\t"; 59 << "\t";
46 RA->emit(Func); 60 RA->emit(Func);
47 } 61 }
48 62
49 void InstMIPS32Ret::emitIAS(const Cfg *Func) const { 63 void InstMIPS32Ret::emitIAS(const Cfg *Func) const {
50 (void)Func; 64 (void)Func;
51 llvm_unreachable("Not yet implemented"); 65 llvm_unreachable("Not yet implemented");
52 } 66 }
53 67
54 void InstMIPS32Ret::dump(const Cfg *Func) const { 68 void InstMIPS32Ret::dump(const Cfg *Func) const {
55 if (!ALLOW_DUMP) 69 if (!BuildDefs::dump())
56 return; 70 return;
57 Ostream &Str = Func->getContext()->getStrDump(); 71 Ostream &Str = Func->getContext()->getStrDump();
58 Type Ty = (getSrcSize() == 1 ? IceType_void : getSrc(0)->getType()); 72 Type Ty = (getSrcSize() == 1 ? IceType_void : getSrc(0)->getType());
59 Str << "ret." << Ty << " "; 73 Str << "ret." << Ty << " ";
60 dumpSources(Func); 74 dumpSources(Func);
61 } 75 }
62 } 76 }
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