-//===- SPURegisterInfo.td - The Cell SPU Register File -----*- tablegen -*-===//
-//
+//===-- SPURegisterInfo.td - The Cell SPU Register File ----*- tablegen -*-===//
+//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
//
// The SPU's registers as 128-bit wide entities, and can function as general
// purpose registers, where the operands are in the "preferred slot":
+// The non-volatile registers are allocated in reverse order, like PPC does it.
def GPRC : RegisterClass<"SPU", [i128], 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 = [{
- GPRCClass::iterator
- GPRCClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- GPRCClass::iterator
- GPRCClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+ (add (sequence "R%u", 0, 79),
+ (sequence "R%u", 127, 80))>;
// The SPU's registers as 64-bit wide (double word integer) "preferred slot":
-def R64C : RegisterClass<"SPU", [i64], 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 = [{
- R64CClass::iterator
- R64CClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- R64CClass::iterator
- R64CClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def R64C : RegisterClass<"SPU", [i64], 128, (add GPRC)>;
// The SPU's registers as 64-bit wide (double word) FP "preferred slot":
-def R64FP : RegisterClass<"SPU", [f64], 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 = [{
- R64FPClass::iterator
- R64FPClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- R64FPClass::iterator
- R64FPClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def R64FP : RegisterClass<"SPU", [f64], 128, (add GPRC)>;
// The SPU's registers as 32-bit wide (word) "preferred slot":
-def R32C : RegisterClass<"SPU", [i32], 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 = [{
- R32CClass::iterator
- R32CClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- R32CClass::iterator
- R32CClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def R32C : RegisterClass<"SPU", [i32], 128, (add GPRC)>;
// The SPU's registers as single precision floating point "preferred slot":
-def R32FP : RegisterClass<"SPU", [f32], 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 = [{
- R32FPClass::iterator
- R32FPClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- R32FPClass::iterator
- R32FPClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def R32FP : RegisterClass<"SPU", [f32], 128, (add GPRC)>;
// The SPU's registers as 16-bit wide (halfword) "preferred slot":
-def R16C : RegisterClass<"SPU", [i16], 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 = [{
- R16CClass::iterator
- R16CClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- R16CClass::iterator
- R16CClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def R16C : RegisterClass<"SPU", [i16], 128, (add GPRC)>;
// 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)
- }
- }];
-}
+def R8C : RegisterClass<"SPU", [i8], 128, (add GPRC)>;
// The SPU's registers as vector registers:
-def VECREG : RegisterClass<"SPU",
- [v16i8,v8i16,v2i32,v2f32,v4i32,v4f32,v2i64,v2f64],
- 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 = [{
- VECREGClass::iterator
- VECREGClass::allocation_order_begin(const MachineFunction &MF) const {
- return begin();
- }
- VECREGClass::iterator
- VECREGClass::allocation_order_end(const MachineFunction &MF) const {
- return end()-3; // don't allocate R2, R1, or R0 (envp, sp, lr)
- }
- }];
-}
+def VECREG : RegisterClass<"SPU", [v16i8,v8i16,v4i32,v4f32,v2i64,v2f64], 128,
+ (add GPRC)>;