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Handle the FP format problem, where outputed FP constants were not precise

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enough.  This fixes compilation of the health benchmark.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-04-11 21:44:02 +00:00
parent f8b90ee366
commit f678dc6469
1 changed files with 24 additions and 7 deletions
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31
lib/Target/SparcV9/SparcV9AsmPrinter.cpp
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@ -530,9 +530,9 @@ TypeToDataDirective(const Type* type)
case Type::ULongTyID: case Type::LongTyID: case Type::PointerTyID:
return ".xword";
case Type::FloatTyID:
return ".single";
return ".word";
case Type::DoubleTyID:
return ".double";
return ".xword";
case Type::ArrayTyID:
if (ArrayTypeIsString((ArrayType*) type))
return ".ascii";
@ -606,16 +606,33 @@ SparcModuleAsmPrinter::printSingleConstant(const Constant* CV)
CV->getType() != Type::LabelTy &&
"Unexpected type for Constant");
assert((! isa<ConstantArray>( CV) && ! isa<ConstantStruct>(CV))
&& "Collective types should be handled outside this function");
assert((!isa<ConstantArray>(CV) && ! isa<ConstantStruct>(CV))
&& "Aggregate types should be handled outside this function");
toAsm << "\t" << TypeToDataDirective(CV->getType()) << "\t";
if (CV->getType()->isPrimitiveType())
{
if (CV->getType()->isFloatingPoint())
toAsm << "0r"; // FP constants must have this prefix
toAsm << CV->getStrValue() << "\n";
if (CV->getType()->isFloatingPoint()) {
// FP Constants are printed as integer constants to avoid losing
// precision...
double Val = cast<ConstantFP>(CV)->getValue();
if (CV->getType() == Type::FloatTy) {
float FVal = (float)Val;
char *ProxyPtr = (char*)&FVal; // Abide by C TBAA rules
toAsm << *(unsigned int*)ProxyPtr;
} else if (CV->getType() == Type::DoubleTy) {
char *ProxyPtr = (char*)&Val; // Abide by C TBAA rules
toAsm << *(uint64_t*)ProxyPtr;
} else {
assert(0 && "Unknown floating point type!");
}
toAsm << "\t! " << CV->getType()->getDescription()
<< " value: " << Val << "\n";
} else {
toAsm << CV->getStrValue() << "\n";
}
}
else if (ConstantPointer* CPP = dyn_cast<ConstantPointer>(CV))
{