//
// The LLVM Compiler Infrastructure
//
-// This file was developed by a team from the Computer Systems Research
-// Department at The Aerospace Corporation and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
}];
}
+// The SPU's registers as 8-bit wide (byte) "preferred slot":
+def R8C : RegisterClass<"SPU", [i8], 128,
+ [
+ /* volatile register */
+ R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16,
+ R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31,
+ R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43, R44, R45, R46,
+ R47, R48, R49, R50, R51, R52, R53, R54, R55, R56, R57, R58, R59, R60, R61,
+ R62, R63, R64, R65, R66, R67, R68, R69, R70, R71, R72, R73, R74, R75, R76,
+ R77, R78, R79,
+ /* non-volatile register: take hint from PPC and allocate in reverse order */
+ R127, R126, R125, R124, R123, R122, R121, R120, R119, R118, R117, R116, R115,
+ R114, R113, R112, R111, R110, R109, R108, R107, R106, R105, R104, R103, R102,
+ R101, R100, R99, R98, R97, R96, R95, R94, R93, R92, R91, R90, R89, R88, R87,
+ R86, R85, R84, R83, R82, R81, R80,
+ /* environment ptr, SP, LR */
+ R2, R1, R0 ]>
+{
+ let MethodProtos = [{
+ iterator allocation_order_begin(const MachineFunction &MF) const;
+ iterator allocation_order_end(const MachineFunction &MF) const;
+ }];
+ let MethodBodies = [{
+ R8CClass::iterator
+ R8CClass::allocation_order_begin(const MachineFunction &MF) const {
+ return begin();
+ }
+ R8CClass::iterator
+ R8CClass::allocation_order_end(const MachineFunction &MF) const {
+ return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
+ }
+ }];
+}
+
// The SPU's registers as vector registers:
-def VECREG : RegisterClass<"SPU", [v16i8,v8i16,v4i32,v4f32,v2i64,v2f64], 128,
+def VECREG : RegisterClass<"SPU",
+ [v16i8,v8i16,v2i32,v4i32,v4f32,v2i64,v2f64],
+ 128,
[
/* volatile register */
R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16,