Add support for FP cmoves
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12575 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/Printer.cpp b/lib/Target/X86/Printer.cpp
index c6b581a..73971bb 100644
--- a/lib/Target/X86/Printer.cpp
+++ b/lib/Target/X86/Printer.cpp
@@ -104,7 +104,8 @@
return "X86 Assembly Printer";
}
- void checkImplUses (const TargetInstrDescriptor &Desc);
+ void printImplUsesBefore(const TargetInstrDescriptor &Desc);
+ void printImplUsesAfter(const TargetInstrDescriptor &Desc);
void printMachineInstruction(const MachineInstr *MI);
void printOp(const MachineOperand &MO,
bool elideOffsetKeyword = false);
@@ -528,12 +529,26 @@
O << "]";
}
-/// checkImplUses - Emit the implicit-use registers for the
-/// instruction described by DESC, if its PrintImplUses flag is set.
+
+/// printImplUsesBefore - Emit the implicit-use registers for the instruction
+/// described by DESC, if its PrintImplUsesBefore flag is set.
///
-void Printer::checkImplUses (const TargetInstrDescriptor &Desc) {
+void Printer::printImplUsesBefore(const TargetInstrDescriptor &Desc) {
const MRegisterInfo &RI = *TM.getRegisterInfo();
- if (Desc.TSFlags & X86II::PrintImplUses) {
+ if (Desc.TSFlags & X86II::PrintImplUsesBefore) {
+ for (const unsigned *p = Desc.ImplicitUses; *p; ++p) {
+ // Bug Workaround: See note in Printer::doInitialization about %.
+ O << "%" << RI.get(*p).Name << ", ";
+ }
+ }
+}
+
+/// printImplUsesAfter - Emit the implicit-use registers for the instruction
+/// described by DESC, if its PrintImplUsesAfter flag is set.
+///
+void Printer::printImplUsesAfter(const TargetInstrDescriptor &Desc) {
+ const MRegisterInfo &RI = *TM.getRegisterInfo();
+ if (Desc.TSFlags & X86II::PrintImplUsesAfter) {
for (const unsigned *p = Desc.ImplicitUses; *p; ++p) {
// Bug Workaround: See note in Printer::doInitialization about %.
O << ", %" << RI.get(*p).Name;
@@ -628,6 +643,9 @@
unsigned Reg = MI->getOperand(0).getReg();
O << TII.getName(MI->getOpcode()) << " ";
+
+ printImplUsesBefore(Desc); // fcmov*
+
printOp(MI->getOperand(0));
if (MI->getNumOperands() == 2 &&
(!MI->getOperand(1).isRegister() ||
@@ -637,7 +655,7 @@
O << ", ";
printOp(MI->getOperand(1));
}
- checkImplUses(Desc);
+ printImplUsesAfter(Desc);
O << "\n";
return;
}
@@ -668,7 +686,7 @@
O << ", ";
printOp(MI->getOperand(2));
}
- checkImplUses(Desc);
+ printImplUsesAfter(Desc);
O << "\n";
return;
}
@@ -690,7 +708,7 @@
O << ", ";
printOp(MI->getOperand(5));
}
- checkImplUses(Desc);
+ printImplUsesAfter(Desc);
O << "\n";
return;
}
@@ -778,7 +796,7 @@
O << ", ";
printOp(MI->getOperand(MI->getNumOperands()-1));
}
- checkImplUses(Desc);
+ printImplUsesAfter(Desc);
O << "\n";
return;
@@ -841,7 +859,7 @@
O << ", ";
printOp(MI->getOperand(4));
}
- checkImplUses(Desc);
+ printImplUsesAfter(Desc);
O << "\n";
return;
}