1//===- RISCVInstrInfoZk.td - RISC-V 'Zk' 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 the RISC-V instructions from the standard 'Zk',
10// Scalar Cryptography Instructions extension, version 1.0.
11//
12//===----------------------------------------------------------------------===//
13
14//===----------------------------------------------------------------------===//
15// Operand and SDNode transformation definitions.
16//===----------------------------------------------------------------------===//
17
18def riscv_sha256sig0 : SDNode<"RISCVISD::SHA256SIG0", SDTIntUnaryOp>;
19def riscv_sha256sig1 : SDNode<"RISCVISD::SHA256SIG1", SDTIntUnaryOp>;
20def riscv_sha256sum0 : SDNode<"RISCVISD::SHA256SUM0", SDTIntUnaryOp>;
21def riscv_sha256sum1 : SDNode<"RISCVISD::SHA256SUM1", SDTIntUnaryOp>;
22
23def SDT_RISCVZkByteSelect : SDTypeProfile<1, 3, [SDTCisVT<0, XLenVT>,
24                                                 SDTCisVT<1, XLenVT>,
25                                                 SDTCisVT<2, XLenVT>,
26                                                 SDTCisVT<3, i32>]>;
27def riscv_sm4ks : SDNode<"RISCVISD::SM4KS", SDT_RISCVZkByteSelect>;
28def riscv_sm4ed : SDNode<"RISCVISD::SM4ED", SDT_RISCVZkByteSelect>;
29
30def riscv_sm3p0 : SDNode<"RISCVISD::SM3P0", SDTIntUnaryOp>;
31def riscv_sm3p1 : SDNode<"RISCVISD::SM3P1", SDTIntUnaryOp>;
32
33def RnumArg : AsmOperandClass {
34  let Name = "RnumArg";
35  let RenderMethod = "addImmOperands";
36  let DiagnosticType = "InvalidRnumArg";
37}
38
39def rnum : RISCVOp<i32>, TImmLeaf<i32, [{return (Imm >= 0 && Imm <= 10);}]> {
40  let ParserMatchClass = RnumArg;
41  let EncoderMethod = "getImmOpValue";
42  let DecoderMethod = "decodeUImmOperand<4>";
43  let OperandType = "OPERAND_RVKRNUM";
44}
45
46def byteselect : RISCVOp<i32>, TImmLeaf<i32, [{return isUInt<2>(Imm);}]> {
47  let ParserMatchClass = UImmAsmOperand<2>;
48  let DecoderMethod = "decodeUImmOperand<2>";
49  let OperandType = "OPERAND_UIMM2";
50}
51
52//===----------------------------------------------------------------------===//
53// Instruction class templates
54//===----------------------------------------------------------------------===//
55let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
56class RVKUnary<bits<12> imm12, bits<3> funct3, string opcodestr>
57    : RVInstIUnary<imm12, funct3, OPC_OP_IMM, (outs GPR:$rd), (ins GPR:$rs1),
58                   opcodestr, "$rd, $rs1">;
59
60let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
61class RVKByteSelect<bits<5> funct5, string opcodestr>
62    : RVInstR<{0b00, funct5}, 0b000, OPC_OP, (outs GPR:$rd),
63              (ins GPR:$rs1, GPR:$rs2, byteselect:$bs),
64              opcodestr, "$rd, $rs1, $rs2, $bs">{
65  bits<2> bs;
66  let Inst{31-30} = bs;
67}
68
69let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in
70class RVKUnary_rnum<bits<7> funct7, bits<3> funct3, string opcodestr>
71    : RVInstIBase<funct3, OPC_OP_IMM, (outs GPR:$rd),
72                  (ins GPR:$rs1, rnum:$rnum), opcodestr, "$rd, $rs1, $rnum"> {
73  bits<4> rnum;
74  let Inst{31-25} = funct7;
75  let Inst{24} = 0b1;
76  let Inst{23-20} = rnum;
77}
78
79//===----------------------------------------------------------------------===//
80// Instructions
81//===----------------------------------------------------------------------===//
82let Predicates = [HasStdExtZknd, IsRV32] in {
83def AES32DSI  : RVKByteSelect<0b10101, "aes32dsi">;
84def AES32DSMI : RVKByteSelect<0b10111, "aes32dsmi">;
85} // Predicates = [HasStdExtZknd, IsRV32]
86
87let Predicates = [HasStdExtZknd, IsRV64] in {
88def AES64DS  : ALU_rr<0b0011101, 0b000, "aes64ds">;
89def AES64DSM : ALU_rr<0b0011111, 0b000, "aes64dsm">;
90
91def AES64IM  : RVKUnary<0b001100000000, 0b001, "aes64im">;
92} // Predicates = [HasStdExtZknd, IsRV64]
93
94let Predicates = [HasStdExtZkndOrZkne, IsRV64] in {
95def AES64KS2  : ALU_rr<0b0111111, 0b000, "aes64ks2">;
96
97def AES64KS1I : RVKUnary_rnum<0b0011000, 0b001, "aes64ks1i">;
98} // Predicates = [HasStdExtZkndOrZkne, IsRV64]
99
100let Predicates = [HasStdExtZkne, IsRV32] in {
101def AES32ESI  : RVKByteSelect<0b10001, "aes32esi">;
102def AES32ESMI : RVKByteSelect<0b10011, "aes32esmi">;
103} // Predicates = [HasStdExtZkne, IsRV32]
104
105let Predicates = [HasStdExtZkne, IsRV64] in {
106def AES64ES   : ALU_rr<0b0011001, 0b000, "aes64es">;
107def AES64ESM  : ALU_rr<0b0011011, 0b000, "aes64esm">;
108} // Predicates = [HasStdExtZkne, IsRV64]
109
110let Predicates = [HasStdExtZknh], IsSignExtendingOpW = 1 in {
111def SHA256SIG0 : RVKUnary<0b000100000010, 0b001, "sha256sig0">;
112def SHA256SIG1 : RVKUnary<0b000100000011, 0b001, "sha256sig1">;
113def SHA256SUM0 : RVKUnary<0b000100000000, 0b001, "sha256sum0">;
114def SHA256SUM1 : RVKUnary<0b000100000001, 0b001, "sha256sum1">;
115} // Predicates = [HasStdExtZknh]
116
117let Predicates = [HasStdExtZknh, IsRV32] in {
118def SHA512SIG0H : ALU_rr<0b0101110, 0b000, "sha512sig0h">;
119def SHA512SIG0L : ALU_rr<0b0101010, 0b000, "sha512sig0l">;
120def SHA512SIG1H : ALU_rr<0b0101111, 0b000, "sha512sig1h">;
121def SHA512SIG1L : ALU_rr<0b0101011, 0b000, "sha512sig1l">;
122def SHA512SUM0R : ALU_rr<0b0101000, 0b000, "sha512sum0r">;
123def SHA512SUM1R : ALU_rr<0b0101001, 0b000, "sha512sum1r">;
124} // [HasStdExtZknh, IsRV32]
125
126let Predicates = [HasStdExtZknh, IsRV64] in {
127def SHA512SIG0 : RVKUnary<0b000100000110, 0b001, "sha512sig0">;
128def SHA512SIG1 : RVKUnary<0b000100000111, 0b001, "sha512sig1">;
129def SHA512SUM0 : RVKUnary<0b000100000100, 0b001, "sha512sum0">;
130def SHA512SUM1 : RVKUnary<0b000100000101, 0b001, "sha512sum1">;
131} // Predicates = [HasStdExtZknh, IsRV64]
132
133let Predicates = [HasStdExtZksed], IsSignExtendingOpW = 1 in {
134def SM4ED : RVKByteSelect<0b11000, "sm4ed">;
135def SM4KS : RVKByteSelect<0b11010, "sm4ks">;
136} // Predicates = [HasStdExtZksed]
137
138let Predicates = [HasStdExtZksh], IsSignExtendingOpW = 1 in {
139def SM3P0 : RVKUnary<0b000100001000, 0b001, "sm3p0">;
140def SM3P1 : RVKUnary<0b000100001001, 0b001, "sm3p1">;
141} // Predicates = [HasStdExtZksh]
142
143//===----------------------------------------------------------------------===//
144// Codegen patterns
145//===----------------------------------------------------------------------===//
146
147class PatGprGprByteSelect<SDPatternOperator OpNode, RVInst Inst>
148    : Pat<(XLenVT (OpNode (XLenVT GPR:$rs1), (XLenVT GPR:$rs2), byteselect:$imm)),
149          (Inst GPR:$rs1, GPR:$rs2, byteselect:$imm)>;
150
151// Zknd
152let Predicates = [HasStdExtZknd, IsRV32] in {
153def : PatGprGprByteSelect<int_riscv_aes32dsi, AES32DSI>;
154def : PatGprGprByteSelect<int_riscv_aes32dsmi, AES32DSMI>;
155} // Predicates = [HasStdExtZknd, IsRV32]
156
157let Predicates = [HasStdExtZknd, IsRV64] in {
158def : PatGprGpr<int_riscv_aes64ds, AES64DS>;
159def : PatGprGpr<int_riscv_aes64dsm, AES64DSM>;
160def : PatGpr<int_riscv_aes64im, AES64IM>;
161} // Predicates = [HasStdExtZknd, IsRV64]
162
163let Predicates = [HasStdExtZkndOrZkne, IsRV64] in {
164def : PatGprGpr<int_riscv_aes64ks2, AES64KS2>;
165def : Pat<(int_riscv_aes64ks1i GPR:$rs1, rnum:$rnum),
166          (AES64KS1I GPR:$rs1, rnum:$rnum)>;
167} // Predicates = [HasStdExtZkndOrZkne, IsRV64]
168
169// Zkne
170let Predicates = [HasStdExtZkne, IsRV32] in {
171def : PatGprGprByteSelect<int_riscv_aes32esi, AES32ESI>;
172def : PatGprGprByteSelect<int_riscv_aes32esmi, AES32ESMI>;
173} // Predicates = [HasStdExtZkne, IsRV32]
174
175let Predicates = [HasStdExtZkne, IsRV64] in {
176def : PatGprGpr<int_riscv_aes64es, AES64ES>;
177def : PatGprGpr<int_riscv_aes64esm, AES64ESM>;
178} // Predicates = [HasStdExtZkne, IsRV64]
179
180// Zknh
181let Predicates = [HasStdExtZknh] in {
182def : PatGpr<riscv_sha256sig0, SHA256SIG0>;
183def : PatGpr<riscv_sha256sig1, SHA256SIG1>;
184def : PatGpr<riscv_sha256sum0, SHA256SUM0>;
185def : PatGpr<riscv_sha256sum1, SHA256SUM1>;
186} // Predicates = [HasStdExtZknh]
187
188let Predicates = [HasStdExtZknh, IsRV32] in {
189def : PatGprGpr<int_riscv_sha512sig0l, SHA512SIG0L>;
190def : PatGprGpr<int_riscv_sha512sig0h, SHA512SIG0H>;
191def : PatGprGpr<int_riscv_sha512sig1l, SHA512SIG1L>;
192def : PatGprGpr<int_riscv_sha512sig1h, SHA512SIG1H>;
193def : PatGprGpr<int_riscv_sha512sum0r, SHA512SUM0R>;
194def : PatGprGpr<int_riscv_sha512sum1r, SHA512SUM1R>;
195} // Predicates = [HasStdExtZknh, IsRV32]
196
197let Predicates = [HasStdExtZknh, IsRV64] in {
198def : PatGpr<int_riscv_sha512sig0, SHA512SIG0>;
199def : PatGpr<int_riscv_sha512sig1, SHA512SIG1>;
200def : PatGpr<int_riscv_sha512sum0, SHA512SUM0>;
201def : PatGpr<int_riscv_sha512sum1, SHA512SUM1>;
202} // Predicates = [HasStdExtZknh, IsRV64]
203
204// Zksed
205let Predicates = [HasStdExtZksed] in {
206def : PatGprGprByteSelect<riscv_sm4ks, SM4KS>;
207def : PatGprGprByteSelect<riscv_sm4ed, SM4ED>;
208} // Predicates = [HasStdExtZksed]
209
210// Zksh
211let Predicates = [HasStdExtZksh] in {
212def : PatGpr<riscv_sm3p0, SM3P0>;
213def : PatGpr<riscv_sm3p1, SM3P1>;
214} // Predicates = [HasStdExtZksh]
215