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Add support for printing out floating point values from the ARM assembly 

parser. The parser will always give us a binary representation of the floating
point number.

llvm-svn: 124318
This commit is contained in:
Bill Wendling 2011-01-26 20:57:43 +00:00
parent a52713096d
commit 5a13d4fa8f
1 changed files with 27 additions and 2 deletions
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29
llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
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@ -673,12 +673,37 @@ void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
void ARMInstPrinter::printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum, void ARMInstPrinter::printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) { raw_ostream &O) {
O << '#' << (float)MI->getOperand(OpNum).getFPImm(); const MCOperand &MO = MI->getOperand(OpNum);
O << '#';
if (MO.isFPImm()) {
O << (float)MO.getFPImm();
} else {
union {
uint32_t I;
float F;
} FPUnion;
FPUnion.I = MO.getImm();
O << FPUnion.F;
}
} }
void ARMInstPrinter::printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum, void ARMInstPrinter::printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) { raw_ostream &O) {
O << '#' << MI->getOperand(OpNum).getFPImm(); const MCOperand &MO = MI->getOperand(OpNum);
O << '#';
if (MO.isFPImm()) {
O << MO.getFPImm();
} else {
// We expect the binary encoding of a floating point number here.
union {
uint64_t I;
double D;
} FPUnion;
FPUnion.I = MO.getImm();
O << FPUnion.D;
}
} }
void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum, void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum,