[llvm-commits] CVS: llvm/include/llvm/CodeGen/MachineInstr.h
Chris Lattner
lattner at cs.uiuc.edu
Mon Oct 28 15:18:00 PST 2002
Changes in directory llvm/include/llvm/CodeGen:
MachineInstr.h updated: 1.78 -> 1.79
---
Log message:
Remove all traces of the "Opcode Mask" field in the MachineInstr class
---
Diffs of the changes:
Index: llvm/include/llvm/CodeGen/MachineInstr.h
diff -u llvm/include/llvm/CodeGen/MachineInstr.h:1.78 llvm/include/llvm/CodeGen/MachineInstr.h:1.79
--- llvm/include/llvm/CodeGen/MachineInstr.h:1.78 Mon Oct 28 15:02:38 2002
+++ llvm/include/llvm/CodeGen/MachineInstr.h Mon Oct 28 15:17:14 2002
@@ -17,7 +17,6 @@
class Function;
typedef int MachineOpCode;
-typedef int OpCodeMask;
//---------------------------------------------------------------------------
// class MachineOperand
@@ -185,13 +184,6 @@
// MachineOpCode must be an enum, defined separately for each target.
// E.g., It is defined in SparcInstructionSelection.h for the SPARC.
//
-// opCodeMask is used to record variants of an instruction.
-// E.g., each branch instruction on SPARC has 2 flags (i.e., 4 variants):
-// ANNUL: if 1: Annul delay slot instruction.
-// PREDICT-NOT-TAKEN: if 1: predict branch not taken.
-// Instead of creating 4 different opcodes for BNZ, we create a single
-// opcode and set bits in opCodeMask for each of these flags.
-//
// There are 2 kinds of operands:
//
// (1) Explicit operands of the machine instruction in vector operands[]
@@ -204,7 +196,6 @@
class MachineInstr : public Annotable, // MachineInstrs are annotable
public NonCopyable { // Disable copy operations
MachineOpCode opCode; // the opcode
- OpCodeMask opCodeMask; // extra bits for variants of an opcode
std::vector<MachineOperand> operands; // the operands
struct ImplicitRef {
More information about the llvm-commits
mailing list