| PPCSubtarget.cpp (208954) | PPCSubtarget.cpp (212904) |
|---|---|
| 1//===- PowerPCSubtarget.cpp - PPC Subtarget Information -------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 55 unchanged lines hidden (view full) --- 64 , IsGigaProcessor(false) 65 , Has64BitSupport(false) 66 , Use64BitRegs(false) 67 , IsPPC64(is64Bit) 68 , HasAltivec(false) 69 , HasFSQRT(false) 70 , HasSTFIWX(false) 71 , HasLazyResolverStubs(false) | 1//===- PowerPCSubtarget.cpp - PPC Subtarget Information -------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// --- 55 unchanged lines hidden (view full) --- 64 , IsGigaProcessor(false) 65 , Has64BitSupport(false) 66 , Use64BitRegs(false) 67 , IsPPC64(is64Bit) 68 , HasAltivec(false) 69 , HasFSQRT(false) 70 , HasSTFIWX(false) 71 , HasLazyResolverStubs(false) |
| 72 , IsJITCodeModel(false) |
|
| 72 , DarwinVers(0) { 73 74 // Determine default and user specified characteristics 75 std::string CPU = "generic"; 76#if defined(__APPLE__) 77 CPU = GetCurrentPowerPCCPU(); 78#endif 79 --- 32 unchanged lines hidden (view full) --- 112 113/// SetJITMode - This is called to inform the subtarget info that we are 114/// producing code for the JIT. 115void PPCSubtarget::SetJITMode() { 116 // JIT mode doesn't want lazy resolver stubs, it knows exactly where 117 // everything is. This matters for PPC64, which codegens in PIC mode without 118 // stubs. 119 HasLazyResolverStubs = false; | 73 , DarwinVers(0) { 74 75 // Determine default and user specified characteristics 76 std::string CPU = "generic"; 77#if defined(__APPLE__) 78 CPU = GetCurrentPowerPCCPU(); 79#endif 80 --- 32 unchanged lines hidden (view full) --- 113 114/// SetJITMode - This is called to inform the subtarget info that we are 115/// producing code for the JIT. 116void PPCSubtarget::SetJITMode() { 117 // JIT mode doesn't want lazy resolver stubs, it knows exactly where 118 // everything is. This matters for PPC64, which codegens in PIC mode without 119 // stubs. 120 HasLazyResolverStubs = false; |
| 121 122 // Calls to external functions need to use indirect calls 123 IsJITCodeModel = true; |
|
| 120} 121 122 123/// hasLazyResolverStub - Return true if accesses to the specified global have 124/// to go through a dyld lazy resolution stub. This means that an extra load 125/// is required to get the address of the global. 126bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV, 127 const TargetMachine &TM) const { 128 // We never hae stubs if HasLazyResolverStubs=false or if in static mode. 129 if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static) 130 return false; 131 // If symbol visibility is hidden, the extra load is not needed if 132 // the symbol is definitely defined in the current translation unit. 133 bool isDecl = GV->isDeclaration() && !GV->isMaterializable(); 134 if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage()) 135 return false; 136 return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || 137 GV->hasCommonLinkage() || isDecl; 138} | 124} 125 126 127/// hasLazyResolverStub - Return true if accesses to the specified global have 128/// to go through a dyld lazy resolution stub. This means that an extra load 129/// is required to get the address of the global. 130bool PPCSubtarget::hasLazyResolverStub(const GlobalValue *GV, 131 const TargetMachine &TM) const { 132 // We never hae stubs if HasLazyResolverStubs=false or if in static mode. 133 if (!HasLazyResolverStubs || TM.getRelocationModel() == Reloc::Static) 134 return false; 135 // If symbol visibility is hidden, the extra load is not needed if 136 // the symbol is definitely defined in the current translation unit. 137 bool isDecl = GV->isDeclaration() && !GV->isMaterializable(); 138 if (GV->hasHiddenVisibility() && !isDecl && !GV->hasCommonLinkage()) 139 return false; 140 return GV->hasWeakLinkage() || GV->hasLinkOnceLinkage() || 141 GV->hasCommonLinkage() || isDecl; 142} |