* Include the real (generated) version of getBinaryCodeForInstr()
* Add implementation of getMachineOpValue() for generated code emitter
* Convert assert()s in unimplemented functions to abort()s so that non-debug
builds fail predictably
* Add file header comments
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16981 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCCodeEmitter.cpp b/lib/Target/PowerPC/PPCCodeEmitter.cpp
index b08ce92..bf6ea41 100644
--- a/lib/Target/PowerPC/PPCCodeEmitter.cpp
+++ b/lib/Target/PowerPC/PPCCodeEmitter.cpp
@@ -7,6 +7,8 @@
//
//===----------------------------------------------------------------------===//
//
+// This file defines the PowerPC 32-bit CodeEmitter and associated machinery to
+// JIT-compile bytecode to native PowerPC.
//
//===----------------------------------------------------------------------===//
@@ -24,6 +26,8 @@
TargetMachine &TM;
MachineCodeEmitter &MCE;
+ int64_t getMachineOpValue(MachineInstr &MI, MachineOperand &MO);
+
public:
PPC32CodeEmitter(TargetMachine &T, MachineCodeEmitter &M)
: TM(T), MCE(M) {}
@@ -41,12 +45,14 @@
/// emitWord - write a 32-bit word to memory at the current PC
///
void emitWord(unsigned w) { MCE.emitWord(w); }
-
- unsigned getValueBit(int64_t Val, unsigned bit);
+
+ /// getValueBit - return the particular bit of Val
+ ///
+ unsigned getValueBit(int64_t Val, unsigned bit) { return (Val >> bit) & 1; }
/// getBinaryCodeForInstr - returns the assembled code for an instruction
///
- unsigned getBinaryCodeForInstr(MachineInstr &MI) { return 0; }
+ unsigned getBinaryCodeForInstr(MachineInstr &MI);
};
}
@@ -60,7 +66,7 @@
MachineCodeEmitter &MCE) {
// Machine code emitter pass for PowerPC
PM.add(new PPC32CodeEmitter(*this, MCE));
- // Delete machine code for this function after emitting it:
+ // Delete machine code for this function after emitting it
PM.add(createMachineCodeDeleter());
// We don't yet support machine code emission
return true;
@@ -80,22 +86,26 @@
emitWord(getBinaryCodeForInstr(*I));
}
-unsigned PPC32CodeEmitter::getValueBit(int64_t Val, unsigned bit) {
- Val >>= bit;
- return (Val & 1);
+int64_t PPC32CodeEmitter::getMachineOpValue(MachineInstr &MI,
+ MachineOperand &MO) {
+ abort();
+ return 0;
}
+
void *PPC32JITInfo::getJITStubForFunction(Function *F,
MachineCodeEmitter &MCE) {
- assert (0 && "PPC32JITInfo::getJITStubForFunction not implemented");
+ std::cerr << "PPC32JITInfo::getJITStubForFunction not implemented\n";
+ abort();
return 0;
}
void PPC32JITInfo::replaceMachineCodeForFunction (void *Old, void *New) {
- assert (0 && "PPC32JITInfo::replaceMachineCodeForFunction not implemented");
+ std::cerr << "PPC32JITInfo::replaceMachineCodeForFunction not implemented\n";
+ abort();
}
-//#include "PowerPCGenCodeEmitter.inc"
+#include "PPC32GenCodeEmitter.inc"
} // end llvm namespace