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Handle PPC long double in CBackend. 

llvm-svn: 42972
This commit is contained in:
Dale Johannesen 2007-10-15 01:05:37 +00:00
parent 5d15254496
commit 207bd4d90e
1 changed files with 9 additions and 0 deletions
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9
llvm/lib/Target/CBackend/CBackend.cpp
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@ -1505,6 +1505,7 @@ bool CWriter::doInitialization(Module &M) {
<< "typedef unsigned int ConstantFloatTy;\n"
<< "typedef struct { unsigned long long f1; unsigned short f2; "
"unsigned short pad[3]; } ConstantFP80Ty;\n"
// This is used for both kinds of 128-bit long double; meaning differs.
<< "typedef struct { unsigned long long f1; unsigned long long f2; }"
" ConstantFP128Ty;\n"
<< "\n\n/* Global Declarations */\n";
@ -1737,6 +1738,14 @@ void CWriter::printFloatingPointConstants(Function &F) {
<< ((uint16_t)p[1] | (p[0] & 0xffffffffffffLL)<<16)
<< ", 0x" << (uint16_t)(p[0] >> 48) << ",0,0,0"
<< "}; /* Long double constant */\n" << std::dec;
} else if (FPC->getType() == Type::PPC_FP128Ty) {
APInt api = FPC->getValueAPF().convertToAPInt();
const uint64_t *p = api.getRawData();
Out << "static const ConstantFP128Ty FPConstant" << FPCounter++
<< " = { 0x" << std::hex
<< p[0] << ", 0x" << p[1]
<< "}; /* Long double constant */\n" << std::dec;
} else
assert(0 && "Unknown float type!");
}