Changes in directory llvm/lib/Target/ARM:
ARMSubtarget.cpp updated: 1.3 -> 1.4 ARMSubtarget.h updated: 1.3 -> 1.4 ARMTargetMachine.cpp updated: 1.24 -> 1.25 ARMTargetMachine.h updated: 1.7 -> 1.8 --- Log message: Added -march=thumb; removed -enable-thumb. --- Diffs of the changes: (+36 -20) ARMSubtarget.cpp | 10 ++-------- ARMSubtarget.h | 2 +- ARMTargetMachine.cpp | 33 +++++++++++++++++++++++---------- ARMTargetMachine.h | 11 ++++++++++- 4 files changed, 36 insertions(+), 20 deletions(-) Index: llvm/lib/Target/ARM/ARMSubtarget.cpp diff -u llvm/lib/Target/ARM/ARMSubtarget.cpp:1.3 llvm/lib/Target/ARM/ARMSubtarget.cpp:1.4 --- llvm/lib/Target/ARM/ARMSubtarget.cpp:1.3 Tue Feb 13 13:52:28 2007 +++ llvm/lib/Target/ARM/ARMSubtarget.cpp Thu Feb 22 21:14:31 2007 @@ -14,16 +14,12 @@ #include "ARMSubtarget.h" #include "ARMGenSubtarget.inc" #include "llvm/Module.h" -#include "llvm/Support/CommandLine.h" using namespace llvm; -// FIXME: this is temporary. -static cl::opt<bool> Thumb("enable-thumb", - cl::desc("Switch to thumb mode in ARM backend")); - -ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS) +ARMSubtarget::ARMSubtarget(const Module &M, const std::string &FS, bool thumb) : ARMArchVersion(V4T) , HasVFP2(false) + , IsThumb(thumb) , UseThumbBacktraces(false) , IsR9Reserved(false) , stackAlignment(4) @@ -36,8 +32,6 @@ // Parse features string. ParseSubtargetFeatures(FS, CPU); - IsThumb = Thumb; - // Set the boolean corresponding to the current target triple, or the default // if one cannot be determined, to true. const std::string& TT = M.getTargetTriple(); Index: llvm/lib/Target/ARM/ARMSubtarget.h diff -u llvm/lib/Target/ARM/ARMSubtarget.h:1.3 llvm/lib/Target/ARM/ARMSubtarget.h:1.4 --- llvm/lib/Target/ARM/ARMSubtarget.h:1.3 Tue Feb 13 13:52:28 2007 +++ llvm/lib/Target/ARM/ARMSubtarget.h Thu Feb 22 21:14:31 2007 @@ -60,7 +60,7 @@ /// This constructor initializes the data members to match that /// of the specified module. /// - ARMSubtarget(const Module &M, const std::string &FS); + ARMSubtarget(const Module &M, const std::string &FS, bool thumb); /// ParseSubtargetFeatures - Parses features string setting specified /// subtarget options. Definition of function is auto generated by tblgen. Index: llvm/lib/Target/ARM/ARMTargetMachine.cpp diff -u llvm/lib/Target/ARM/ARMTargetMachine.cpp:1.24 llvm/lib/Target/ARM/ARMTargetMachine.cpp:1.25 --- llvm/lib/Target/ARM/ARMTargetMachine.cpp:1.24 Tue Feb 13 23:52:17 2007 +++ llvm/lib/Target/ARM/ARMTargetMachine.cpp Thu Feb 22 21:14:31 2007 @@ -27,21 +27,37 @@ namespace { // Register the target. - RegisterTarget<ARMTargetMachine> X("arm", " ARM"); + RegisterTarget<ARMTargetMachine> X("arm", " ARM"); + RegisterTarget<ThumbTargetMachine> Y("thumb", " Thumb"); } -/// TargetMachine ctor - Create an ILP32 architecture model +/// ThumbTargetMachine - Create an Thumb architecture model. /// -ARMTargetMachine::ARMTargetMachine(const Module &M, const std::string &FS) - : Subtarget(M, FS), +unsigned ThumbTargetMachine::getModuleMatchQuality(const Module &M) { + std::string TT = M.getTargetTriple(); + if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "thumb-") + return 20; + + return M.getPointerSize() == Module::Pointer32; +} + +ThumbTargetMachine::ThumbTargetMachine(const Module &M, const std::string &FS) + : ARMTargetMachine(M, FS, true) { +} + +/// TargetMachine ctor - Create an ARM architecture model. +/// +ARMTargetMachine::ARMTargetMachine(const Module &M, const std::string &FS, + bool isThumb) + : Subtarget(M, FS, isThumb), DataLayout(Subtarget.isAPCS_ABI() ? // APCS ABI - (Subtarget.isThumb() ? + (isThumb ? std::string("e-p:32:32-f64:32:32-i64:32:32-" "i16:16:32-i8:8:32-i1:8:32-a:0:32") : std::string("e-p:32:32-f64:32:32-i64:32:32")) : // AAPCS ABI - (Subtarget.isThumb() ? + (isThumb ? std::string("e-p:32:32-f64:64:64-i64:64:64-" "i16:16:32-i8:8:32-i1:8:32-a:0:32") : std::string("e-p:32:32-f64:64:64-i64:64:64"))), @@ -53,10 +69,7 @@ if (TT.size() >= 4 && std::string(TT.begin(), TT.begin()+4) == "arm-") return 20; - if (M.getPointerSize() == Module::Pointer32) - return 1; - else - return 0; + return M.getPointerSize() == Module::Pointer32; } Index: llvm/lib/Target/ARM/ARMTargetMachine.h diff -u llvm/lib/Target/ARM/ARMTargetMachine.h:1.7 llvm/lib/Target/ARM/ARMTargetMachine.h:1.8 --- llvm/lib/Target/ARM/ARMTargetMachine.h:1.7 Fri Jan 19 01:51:42 2007 +++ llvm/lib/Target/ARM/ARMTargetMachine.h Thu Feb 22 21:14:31 2007 @@ -32,7 +32,7 @@ ARMInstrInfo InstrInfo; ARMFrameInfo FrameInfo; public: - ARMTargetMachine(const Module &M, const std::string &FS); + ARMTargetMachine(const Module &M, const std::string &FS, bool isThumb = false); virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; } virtual const TargetFrameInfo *getFrameInfo() const { return &FrameInfo; } @@ -52,6 +52,15 @@ std::ostream &Out); }; +/// ThumbTargetMachine - Thumb target machine. +/// +class ThumbTargetMachine : public ARMTargetMachine { +public: + ThumbTargetMachine(const Module &M, const std::string &FS); + + static unsigned getModuleMatchQuality(const Module &M); +}; + } // end namespace llvm #endif _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits