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Honor the command line specification for machine type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32483 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey 2006-12-12 16:07:33 +00:00
parent 2426775c81
commit 55a7ec33d7
4 changed files with 21 additions and 1 deletions
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3
include/llvm/Target/SubtargetFeature.h
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@ -81,6 +81,9 @@ public:
/// Set the CPU string. Replaces previous setting. Setting to "" clears CPU. /// Set the CPU string. Replaces previous setting. Setting to "" clears CPU.
void setCPU(const std::string &String); void setCPU(const std::string &String);
/// Get the CPU string.
const std::string &getCPU() const { return Features[0]; }
/// Setting CPU string only if no string is set. /// Setting CPU string only if no string is set.
void setCPUIfNone(const std::string &String); void setCPUIfNone(const std::string &String);

5
include/llvm/Target/TargetSubtarget.h
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@ -14,6 +14,8 @@
#ifndef LLVM_TARGET_TARGETSUBTARGET_H #ifndef LLVM_TARGET_TARGETSUBTARGET_H
#define LLVM_TARGET_TARGETSUBTARGET_H #define LLVM_TARGET_TARGETSUBTARGET_H
#include <string>
namespace llvm { namespace llvm {
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
@ -25,10 +27,13 @@ namespace llvm {
class TargetSubtarget { class TargetSubtarget {
TargetSubtarget(const TargetSubtarget&); // DO NOT IMPLEMENT TargetSubtarget(const TargetSubtarget&); // DO NOT IMPLEMENT
void operator=(const TargetSubtarget&); // DO NOT IMPLEMENT void operator=(const TargetSubtarget&); // DO NOT IMPLEMENT
std::string CPU; // CPU name.
protected: // Can only create subclasses... protected: // Can only create subclasses...
TargetSubtarget(); TargetSubtarget();
public: public:
virtual ~TargetSubtarget(); virtual ~TargetSubtarget();
void setCPU(const std::string &C) { CPU = C; }
const std::string &getCPU() const { return CPU; }
}; };
} // End llvm namespace } // End llvm namespace

13
lib/Target/PowerPC/PPCAsmPrinter.cpp
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@ -542,8 +542,19 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
bool DarwinAsmPrinter::doInitialization(Module &M) { bool DarwinAsmPrinter::doInitialization(Module &M) {
if (Subtarget.isGigaProcessor()) const std::string &CPU = Subtarget.getCPU();
if (CPU != "generic")
O << "\t.machine ppc" << CPU << "\n";
else if (Subtarget.isGigaProcessor())
O << "\t.machine ppc970\n"; O << "\t.machine ppc970\n";
else if (Subtarget.isPPC64())
O << "\t.machine ppc64\n";
else if (Subtarget.hasAltivec())
O << "\t.machine ppc7400\n";
else
O << "\t.machine ppc\n";
AsmPrinter::doInitialization(M); AsmPrinter::doInitialization(M);
// Darwin wants symbols to be quoted if they have complex names. // Darwin wants symbols to be quoted if they have complex names.

1
utils/TableGen/SubtargetEmitter.cpp
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@ -460,6 +460,7 @@ void SubtargetEmitter::ParseFeaturesFunction(std::ostream &OS) {
" const std::string &CPU) {\n" " const std::string &CPU) {\n"
" SubtargetFeatures Features(FS);\n" " SubtargetFeatures Features(FS);\n"
" Features.setCPUIfNone(CPU);\n" " Features.setCPUIfNone(CPU);\n"
" setCPU(Features.getCPU());\n"
" uint32_t Bits = Features.getBits(SubTypeKV, SubTypeKVSize,\n" " uint32_t Bits = Features.getBits(SubTypeKV, SubTypeKVSize,\n"
" FeatureKV, FeatureKVSize);\n"; " FeatureKV, FeatureKVSize);\n";