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Move .literal4 and .literal8 support into AsmPrinter.cpp

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28978 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-06-29 00:33:06 +00:00
parent 2d2cec1e9e
commit d3f6981174
2 changed files with 2 additions and 57 deletions
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53
lib/Target/X86/X86AsmPrinter.cpp
View File

@ -59,6 +59,8 @@ bool X86SharedAsmPrinter::doInitialization(Module &M) {
PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
ConstantPoolSection = "\t.const\n";
JumpTableSection = "\t.const\n"; // FIXME: depends on PIC mode
FourByteConstantSection = "\t.literal4\n";
EightByteConstantSection = "\t.literal8\n";
LCOMMDirective = "\t.lcomm\t";
COMMDirectiveTakesAlignment = false;
HasDotTypeDotSizeDirective = false;
@ -222,57 +224,6 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
return false; // success
}
void X86SharedAsmPrinter::EmitConstantPool(MachineConstantPool *MCP) {
if (Subtarget->TargetType != X86Subtarget::isDarwin) {
AsmPrinter::EmitConstantPool(MCP);
return;
}
const std::vector<MachineConstantPoolEntry> &CP = MCP->getConstants();
if (CP.empty()) return;
std::vector<std::pair<MachineConstantPoolEntry,unsigned> > FloatCPs;
std::vector<std::pair<MachineConstantPoolEntry,unsigned> > DoubleCPs;
std::vector<std::pair<MachineConstantPoolEntry,unsigned> > OtherCPs;
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
MachineConstantPoolEntry CPE = CP[i];
const Constant *CV = CPE.Val;
const Type *Ty = CV->getType();
if (Ty->getTypeID() == Type::FloatTyID)
FloatCPs.push_back(std::make_pair(CPE, i));
else if (Ty->getTypeID() == Type::DoubleTyID)
DoubleCPs.push_back(std::make_pair(CPE, i));
else
OtherCPs.push_back(std::make_pair(CPE, i));
}
EmitConstantPool(MCP, FloatCPs, "\t.literal4");
EmitConstantPool(MCP, DoubleCPs, "\t.literal8");
EmitConstantPool(MCP, OtherCPs, ConstantPoolSection);
}
void
X86SharedAsmPrinter::EmitConstantPool(MachineConstantPool *MCP,
std::vector<std::pair<MachineConstantPoolEntry,unsigned> > &CP,
const char *Section) {
if (CP.empty()) return;
SwitchToDataSection(Section, 0);
EmitAlignment(MCP->getConstantPoolAlignment());
for (unsigned i = 0, e = CP.size(); i != e; ++i) {
O << PrivateGlobalPrefix << "CPI" << getFunctionNumber() << '_'
<< CP[i].second << ":\t\t\t\t\t" << CommentString << " ";
WriteTypeSymbolic(O, CP[i].first.Val->getType(), 0) << '\n';
EmitGlobalConstant(CP[i].first.Val);
if (i != e-1) {
unsigned EntSize =
TM.getTargetData()->getTypeSize(CP[i].first.Val->getType());
unsigned ValEnd = CP[i].first.Offset + EntSize;
// Emit inter-object padding for alignment.
EmitZeros(CP[i+1].first.Offset-ValEnd);
}
}
}
/// createX86CodePrinterPass - Returns a pass that prints the X86 assembly code
/// for a MachineFunction to the given output stream, using the given target
/// machine description.

6
lib/Target/X86/X86AsmPrinter.h
View File

@ -20,7 +20,6 @@
#include "X86TargetMachine.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineDebugInfo.h"
#include "llvm/ADT/Statistic.h"
#include <set>
@ -93,11 +92,6 @@ struct X86SharedAsmPrinter : public AsmPrinter {
MI->getOperand(Op+3).isGlobalAddress() ||
MI->getOperand(Op+3).isConstantPoolIndex());
}
virtual void EmitConstantPool(MachineConstantPool *MCP);
void EmitConstantPool(MachineConstantPool *MCP,
std::vector<std::pair<MachineConstantPoolEntry, unsigned> > &CP,
const char *Section);
};
} // end namespace llvm