xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Mips/MipsEVAInstrInfo.td (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1//===- MipsEVAInstrInfo.td - EVA ASE instructions -*- tablegen ------------*-=//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file describes Mips EVA ASE instructions.
10//
11//===----------------------------------------------------------------------===//
12
13//===----------------------------------------------------------------------===//
14//
15// Instruction encodings
16//
17//===----------------------------------------------------------------------===//
18
19// Memory Load/Store EVA encodings
20class LBE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LBE>;
21class LBuE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LBuE>;
22class LHE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LHE>;
23class LHuE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LHuE>;
24class LWE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LWE>;
25
26class SBE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SBE>;
27class SHE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SHE>;
28class SWE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SWE>;
29
30// load/store left/right EVA encodings
31class LWLE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LWLE>;
32class LWRE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LWRE>;
33class SWLE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SWLE>;
34class SWRE_ENC    : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SWRE>;
35
36// Load-linked EVA, Store-conditional EVA encodings
37class LLE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_LLE>;
38class SCE_ENC     : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_SCE>;
39
40class TLBINV_ENC  : TLB_FM<OPCODE6_TLBINV>;
41class TLBINVF_ENC : TLB_FM<OPCODE6_TLBINVF>;
42
43class CACHEE_ENC  : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_CACHEE>;
44class PREFE_ENC   : SPECIAL3_EVA_LOAD_STORE_FM<OPCODE6_PREFE>;
45
46//===----------------------------------------------------------------------===//
47//
48// Instruction descriptions
49//
50//===----------------------------------------------------------------------===//
51
52// Memory Load/Store EVA descriptions
53class LOAD_EVA_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
54                         InstrItinClass itin = NoItinerary> {
55  dag OutOperandList = (outs GPROpnd:$rt);
56  dag InOperandList = (ins mem_simm9:$addr);
57  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
58  list<dag> Pattern = [];
59  string DecoderMethod = "DecodeMemEVA";
60  bit canFoldAsLoad = 1;
61  string BaseOpcode = instr_asm;
62  bit mayLoad = 1;
63  InstrItinClass Itinerary = itin;
64}
65
66class LBE_DESC  : LOAD_EVA_DESC_BASE<"lbe",  GPR32Opnd, II_LBE>;
67class LBuE_DESC : LOAD_EVA_DESC_BASE<"lbue", GPR32Opnd, II_LBUE>;
68class LHE_DESC  : LOAD_EVA_DESC_BASE<"lhe",  GPR32Opnd, II_LHE>;
69class LHuE_DESC : LOAD_EVA_DESC_BASE<"lhue", GPR32Opnd, II_LHUE>;
70class LWE_DESC  : LOAD_EVA_DESC_BASE<"lwe",  GPR32Opnd, II_LWE>;
71
72class STORE_EVA_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
73                          SDPatternOperator OpNode = null_frag,
74                          InstrItinClass itin = NoItinerary> {
75  dag OutOperandList = (outs);
76  dag InOperandList = (ins GPROpnd:$rt, mem_simm9:$addr);
77  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
78  list<dag> Pattern = [];
79  string DecoderMethod = "DecodeMemEVA";
80  string BaseOpcode = instr_asm;
81  bit mayStore = 1;
82  InstrItinClass Itinerary = itin;
83}
84
85class SBE_DESC  : STORE_EVA_DESC_BASE<"sbe",  GPR32Opnd, null_frag, II_SBE>;
86class SHE_DESC  : STORE_EVA_DESC_BASE<"she",  GPR32Opnd, null_frag, II_SHE>;
87class SWE_DESC  : STORE_EVA_DESC_BASE<"swe",  GPR32Opnd, null_frag, II_SWE>;
88
89// Load/Store Left/Right EVA descriptions
90class LOAD_LEFT_RIGHT_EVA_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
91                                    InstrItinClass itin = NoItinerary> {
92  dag OutOperandList = (outs GPROpnd:$rt);
93  dag InOperandList = (ins mem_simm9:$addr, GPROpnd:$src);
94  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
95  list<dag> Pattern = [];
96  string DecoderMethod = "DecodeMemEVA";
97  string BaseOpcode = instr_asm;
98  string Constraints = "$src = $rt";
99  bit canFoldAsLoad = 1;
100  InstrItinClass Itinerary = itin;
101  bit mayLoad = 1;
102  bit mayStore = 0;
103}
104
105class LWLE_DESC : LOAD_LEFT_RIGHT_EVA_DESC_BASE<"lwle", GPR32Opnd, II_LWLE>;
106class LWRE_DESC : LOAD_LEFT_RIGHT_EVA_DESC_BASE<"lwre", GPR32Opnd, II_LWRE>;
107
108class STORE_LEFT_RIGHT_EVA_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
109                                     InstrItinClass itin = NoItinerary> {
110  dag OutOperandList = (outs);
111  dag InOperandList = (ins GPROpnd:$rt, mem_simm9:$addr);
112  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
113  list<dag> Pattern = [];
114  string DecoderMethod = "DecodeMemEVA";
115  string BaseOpcode = instr_asm;
116  InstrItinClass Itinerary = itin;
117  bit mayLoad = 0;
118  bit mayStore = 1;
119}
120
121class SWLE_DESC : STORE_LEFT_RIGHT_EVA_DESC_BASE<"swle", GPR32Opnd, II_SWLE>;
122class SWRE_DESC : STORE_LEFT_RIGHT_EVA_DESC_BASE<"swre", GPR32Opnd, II_SWRE>;
123
124// Load-linked EVA, Store-conditional EVA descriptions
125class LLE_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
126                    InstrItinClass itin = NoItinerary> {
127  dag OutOperandList = (outs GPROpnd:$rt);
128  dag InOperandList = (ins mem_simm9:$addr);
129  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
130  list<dag> Pattern = [];
131  string BaseOpcode = instr_asm;
132  bit mayLoad = 1;
133  string DecoderMethod = "DecodeMemEVA";
134  InstrItinClass Itinerary = itin;
135}
136
137class LLE_DESC : LLE_DESC_BASE<"lle", GPR32Opnd, II_LLE>;
138
139class SCE_DESC_BASE<string instr_asm, RegisterOperand GPROpnd,
140                    InstrItinClass itin = NoItinerary> {
141  dag OutOperandList = (outs GPROpnd:$dst);
142  dag InOperandList = (ins GPROpnd:$rt, mem_simm9:$addr);
143  string AsmString = !strconcat(instr_asm, "\t$rt, $addr");
144  list<dag> Pattern = [];
145  string BaseOpcode = instr_asm;
146  bit mayStore = 1;
147  string Constraints = "$rt = $dst";
148  string DecoderMethod = "DecodeMemEVA";
149  InstrItinClass Itinerary = itin;
150}
151
152class SCE_DESC : SCE_DESC_BASE<"sce", GPR32Opnd, II_SCE>;
153
154class TLB_DESC_BASE<string instr_asm, InstrItinClass itin = NoItinerary> {
155  dag OutOperandList = (outs);
156  dag InOperandList = (ins);
157  string AsmString = instr_asm;
158  list<dag> Pattern = [];
159  InstrItinClass Itinerary = itin;
160}
161
162class TLBINV_DESC  : TLB_DESC_BASE<"tlbinv", II_TLBINV>;
163class TLBINVF_DESC : TLB_DESC_BASE<"tlbinvf", II_TLBINVF>;
164
165class CACHEE_DESC_BASE<string instr_asm, Operand MemOpnd,
166                       InstrItinClass itin = NoItinerary> {
167  dag OutOperandList = (outs);
168  dag InOperandList = (ins  MemOpnd:$addr, uimm5:$hint);
169  string AsmString = !strconcat(instr_asm, "\t$hint, $addr");
170  list<dag> Pattern = [];
171  string BaseOpcode = instr_asm;
172  string DecoderMethod = "DecodeCacheeOp_CacheOpR6";
173  InstrItinClass Itinerary = itin;
174}
175
176class CACHEE_DESC  : CACHEE_DESC_BASE<"cachee", mem_simm9, II_CACHEE>;
177class PREFE_DESC   : CACHEE_DESC_BASE<"prefe", mem_simm9, II_PREFE>;
178
179//===----------------------------------------------------------------------===//
180//
181// Instruction definitions
182//
183//===----------------------------------------------------------------------===//
184
185let AdditionalPredicates = [NotInMicroMips] in {
186  /// Load and Store EVA Instructions
187  def LBE     : MMRel, LBE_ENC, LBE_DESC, ISA_MIPS32R2, ASE_EVA;
188  def LBuE    : MMRel, LBuE_ENC, LBuE_DESC, ISA_MIPS32R2, ASE_EVA;
189  def LHE     : MMRel, LHE_ENC, LHE_DESC, ISA_MIPS32R2, ASE_EVA;
190  def LHuE    : MMRel, LHuE_ENC, LHuE_DESC, ISA_MIPS32R2, ASE_EVA;
191  def LWE     : MMRel, LWE_ENC, LWE_DESC, ISA_MIPS32R2, ASE_EVA;
192  def SBE     : MMRel, SBE_ENC, SBE_DESC, ISA_MIPS32R2, ASE_EVA;
193  def SHE     : MMRel, SHE_ENC, SHE_DESC, ISA_MIPS32R2, ASE_EVA;
194  def SWE     : MMRel, SWE_ENC, SWE_DESC, ISA_MIPS32R2, ASE_EVA;
195
196  /// load/store left/right EVA
197  def LWLE    : MMRel, LWLE_ENC, LWLE_DESC, ISA_MIPS32R2_NOT_32R6_64R6, ASE_EVA;
198  def LWRE    : MMRel, LWRE_ENC, LWRE_DESC, ISA_MIPS32R2_NOT_32R6_64R6, ASE_EVA;
199  def SWLE    : MMRel, SWLE_ENC, SWLE_DESC, ISA_MIPS32R2_NOT_32R6_64R6, ASE_EVA;
200  def SWRE    : MMRel, SWRE_ENC, SWRE_DESC, ISA_MIPS32R2_NOT_32R6_64R6, ASE_EVA;
201
202  /// Load-linked EVA, Store-conditional EVA
203  def LLE     : MMRel, LLE_ENC, LLE_DESC, ISA_MIPS32R2, ASE_EVA;
204  def SCE     : MMRel, SCE_ENC, SCE_DESC, ISA_MIPS32R2, ASE_EVA;
205
206  /// TLB invalidate instructions
207  def TLBINV  : TLBINV_ENC, TLBINV_DESC, ISA_MIPS32R2, ASE_EVA;
208  def TLBINVF : TLBINVF_ENC, TLBINVF_DESC, ISA_MIPS32R2, ASE_EVA;
209
210  /// EVA versions of cache and pref
211  def CACHEE  : MMRel, CACHEE_ENC, CACHEE_DESC, ISA_MIPS32R2, ASE_EVA;
212  def PREFE   : MMRel, PREFE_ENC, PREFE_DESC, ISA_MIPS32R2, ASE_EVA;
213}
214