// Register Classes
//===----------------------------------------------------------------------===//
-def GPR : RegisterClass<"MBlaze", [i32,f32], 32,
- [
- // Return Values and Arguments
- R3, R4, R5, R6, R7, R8, R9, R10,
+def GPR : RegisterClass<"MBlaze", [i32,f32], 32, (sequence "R%u", 0, 31)>;
- // Not preserved across procedure calls
- R11, R12,
-
- // Callee save
- R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31,
-
- // Reserved
- R0, // Always zero
- R1, // The stack pointer
- R2, // Read-only small data area anchor
- R13, // Read-write small data area anchor
- R14, // Return address for interrupts
- R15, // Return address for sub-routines
- R16, // Return address for trap
- R17, // Return address for exceptions
- R18, // Reserved for assembler
- R19 // The frame-pointer
- ]>
-{
- let MethodProtos = [{
- iterator allocation_order_end(const MachineFunction &MF) const;
- }];
- let MethodBodies = [{
- GPRClass::iterator
- GPRClass::allocation_order_end(const MachineFunction &MF) const {
- // The last 10 registers on the list above are reserved
- return end()-10;
- }
- }];
-}
-
-def SPR : RegisterClass<"MBlaze", [i32], 32,
- [
+def SPR : RegisterClass<"MBlaze", [i32], 32, (add
// Reserved
RPC,
RMSR,
RPVR9,
RPVR10,
RPVR11
- ]>
+ )>
{
- let MethodProtos = [{
- iterator allocation_order_end(const MachineFunction &MF) const;
- }];
- let MethodBodies = [{
- SPRClass::iterator
- SPRClass::allocation_order_end(const MachineFunction &MF) const {
- // None of the special purpose registers are allocatable.
- return end()-24;
- }
- }];
+ // None of the special purpose registers are allocatable.
+ let isAllocatable = 0;
}
-def CRC : RegisterClass<"MBlaze", [i32], 32, [CARRY]> {
+def CRC : RegisterClass<"MBlaze", [i32], 32, (add CARRY)> {
let CopyCost = -1;
}