1 //===- SparcV8Instrs.td - Target Description for SparcV8 Target -----------===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the SparcV8 instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Instruction format superclass
16 //===----------------------------------------------------------------------===//
18 class InstV8 : Instruction { // SparcV8 instruction baseline
24 let Inst{31-30} = op; // Top two bits are the 'op' field
26 // Bit attributes specific to SparcV8 instructions
27 bit isPasi = 0; // Does this instruction affect an alternate addr space?
28 bit isPrivileged = 0; // Is this a privileged instruction?
31 include "SparcV8InstrFormats.td"
33 //===----------------------------------------------------------------------===//
35 //===----------------------------------------------------------------------===//
37 // Pseudo instructions.
38 class PseudoInstV8<string nm> : InstV8 {
41 def PHI : PseudoInstV8<"PHI">;
42 def ADJCALLSTACKDOWN : PseudoInstV8<"ADJCALLSTACKDOWN">;
43 def ADJCALLSTACKUP : PseudoInstV8<"ADJCALLSTACKUP">;
44 def IMPLICIT_USE : PseudoInstV8<"IMPLICIT_USE">;
45 def IMPLICIT_DEF : PseudoInstV8<"IMPLICIT_DEF">;
47 // Section A.3 - Synthetic Instructions, p. 85
48 // special cases of JMPL:
49 let isReturn = 1, isTerminator = 1, simm13 = 8 in
50 def RET : F3_2<2, 0b111000, "ret">;
51 let isReturn = 1, isTerminator = 1, simm13 = 8 in
52 def RETL: F3_2<2, 0b111000, "retl">;
53 // CMP is a special case of SUBCC where destination is ignored, by setting it to
54 // %g0 (hardwired zero).
55 // FIXME: should keep track of the fact that it defs the integer condition codes
57 def CMPri: F3_2<2, 0b010100, "cmp">;
59 // Section B.1 - Load Integer Instructions, p. 90
60 def LDSB: F3_2<3, 0b001001, "ldsb">;
61 def LDSH: F3_2<3, 0b001010, "ldsh">;
62 def LDUB: F3_2<3, 0b000001, "ldub">;
63 def LDUH: F3_2<3, 0b000010, "lduh">;
64 def LD : F3_2<3, 0b000000, "ld">;
65 def LDD : F3_2<3, 0b000011, "ldd">;
67 // Section B.2 - Load Floating-point Instructions, p. 92
68 def LDFrr : F3_1<3, 0b100000, "ld">;
69 def LDFri : F3_2<3, 0b100000, "ld">;
70 def LDDFrr : F3_1<3, 0b100011, "ldd">;
71 def LDDFri : F3_2<3, 0b100011, "ldd">;
72 def LDFSRrr: F3_1<3, 0b100001, "ld">;
73 def LDFSRri: F3_2<3, 0b100001, "ld">;
75 // Section B.4 - Store Integer Instructions, p. 95
76 def STB : F3_2<3, 0b000101, "stb">;
77 def STH : F3_2<3, 0b000110, "sth">;
78 def ST : F3_2<3, 0b000100, "st">;
79 def STD : F3_2<3, 0b000111, "std">;
81 // Section B.5 - Store Floating-point Instructions, p. 97
82 def STFrr : F3_1<3, 0b100100, "st">;
83 def STFri : F3_2<3, 0b100100, "st">;
84 def STDFrr : F3_1<3, 0b100111, "std">;
85 def STDFri : F3_2<3, 0b100111, "std">;
86 def STFSRrr : F3_1<3, 0b100101, "st">;
87 def STFSRri : F3_2<3, 0b100101, "st">;
88 def STDFQrr : F3_1<3, 0b100110, "std">;
89 def STDFQri : F3_2<3, 0b100110, "std">;
91 // Section B.9 - SETHI Instruction, p. 104
92 def SETHIi: F2_1<0b100, "sethi">;
94 // Section B.10 - NOP Instruction, p. 105
95 // (It's a special case of SETHI)
96 let rd = 0, imm = 0 in
97 def NOP : F2_1<0b100, "nop">;
99 // Section B.11 - Logical Instructions, p. 106
100 def ANDrr : F3_1<2, 0b000001, "and">;
101 def ANDri : F3_2<2, 0b000001, "and">;
102 def ORrr : F3_1<2, 0b000010, "or">;
103 def ORri : F3_2<2, 0b000010, "or">;
104 def XORrr : F3_1<2, 0b000011, "xor">;
105 def XORri : F3_2<2, 0b000011, "xor">;
107 // Section B.12 - Shift Instructions, p. 107
108 def SLLrr : F3_1<2, 0b100101, "sll">;
109 def SLLri : F3_2<2, 0b100101, "sll">;
110 def SRLrr : F3_1<2, 0b100110, "srl">;
111 def SRLri : F3_2<2, 0b100110, "srl">;
112 def SRArr : F3_1<2, 0b100111, "sra">;
113 def SRAri : F3_2<2, 0b100111, "sra">;
115 // Section B.13 - Add Instructions, p. 108
116 def ADDrr : F3_1<2, 0b000000, "add">;
117 def ADDri : F3_2<2, 0b000000, "add">;
119 // Section B.15 - Subtract Instructions, p. 110
120 def SUBrr : F3_1<2, 0b000100, "sub">;
121 def SUBCCrr : F3_1<2, 0b010100, "subcc">;
122 def SUBCCri : F3_2<2, 0b010100, "subcc">;
124 // Section B.18 - Multiply Instructions, p. 113
125 def UMULrr : F3_1<2, 0b001010, "umul">;
126 def SMULrr : F3_1<2, 0b001011, "smul">;
128 // Section B.19 - Divide Instructions, p. 115
129 def UDIVrr : F3_1<2, 0b001110, "udiv">;
130 def UDIVri : F3_2<2, 0b001110, "udiv">;
131 def SDIVrr : F3_1<2, 0b001111, "sdiv">;
132 def SDIVri : F3_2<2, 0b001111, "sdiv">;
133 def UDIVCCrr : F3_1<2, 0b011110, "udivcc">;
134 def UDIVCCri : F3_2<2, 0b011110, "udivcc">;
135 def SDIVCCrr : F3_1<2, 0b011111, "sdivcc">;
136 def SDIVCCri : F3_2<2, 0b011111, "sdivcc">;
138 // Section B.20 - SAVE and RESTORE, p. 117
139 def SAVErr : F3_1<2, 0b111100, "save">; // save r, r, r
140 def SAVEri : F3_2<2, 0b111100, "save">; // save r, i, r
141 def RESTORErr : F3_1<2, 0b111101, "restore">; // restore r, r, r
142 def RESTOREri : F3_2<2, 0b111101, "restore">; // restore r, i, r
144 // Section B.21 - Branch on Integer Condition Codes Instructions, p. 119
146 // conditional branch class:
147 class BranchV8<bits<4> cc, string nm> : F2_2<cc, 0b010, nm> {
149 let isTerminator = 1;
153 def BA : BranchV8<0b1000, "ba">;
154 def BN : BranchV8<0b0000, "bn">;
155 def BNE : BranchV8<0b1001, "bne">;
156 def BE : BranchV8<0b0001, "be">;
157 def BG : BranchV8<0b1010, "bg">;
158 def BLE : BranchV8<0b0010, "ble">;
159 def BGE : BranchV8<0b1011, "bge">;
160 def BL : BranchV8<0b0011, "bl">;
161 def BGU : BranchV8<0b1100, "bgu">;
162 def BLEU : BranchV8<0b0100, "bleu">;
163 def BCC : BranchV8<0b1101, "bcc">;
164 def BCS : BranchV8<0b0101, "bcs">;
166 // Section B.22 - Branch on Floating-point Condition Codes Instructions, p. 121
168 // floating-point conditional branch class:
169 class FPBranchV8<bits<4> cc, string nm> : F2_2<cc, 0b110, nm> {
171 let isTerminator = 1;
174 def FBA : FPBranchV8<0b1000, "fba">;
175 def FBN : FPBranchV8<0b0000, "fbn">;
176 def FBU : FPBranchV8<0b0111, "fbu">;
177 def FBG : FPBranchV8<0b0110, "fbg">;
178 def FBUG : FPBranchV8<0b0101, "fbug">;
179 def FBL : FPBranchV8<0b0100, "fbl">;
180 def FBUL : FPBranchV8<0b0011, "fbul">;
181 def FBLG : FPBranchV8<0b0010, "fblg">;
182 def FBNE : FPBranchV8<0b0001, "fbne">;
183 def FBE : FPBranchV8<0b1001, "fbe">;
184 def FBUE : FPBranchV8<0b1010, "fbue">;
185 def FBGE : FPBranchV8<0b1011, "fbge">;
186 def FBUGE: FPBranchV8<0b1100, "fbuge">;
187 def FBLE : FPBranchV8<0b1101, "fble">;
188 def FBULE: FPBranchV8<0b1110, "fbule">;
189 def FBO : FPBranchV8<0b1111, "fbo">;
191 // Section B.24 - Call and Link Instruction, p. 125
192 // This is the only Format 1 instruction
196 let Inst{29-0} = disp;
201 // Section B.25 - Jump and Link, p. 126
203 def JMPLrr : F3_1<2, 0b111000, "jmpl">; // jmpl [rs1+rs2], rd
205 // Section B.29 - Write State Register Instructions
206 def WRrr : F3_1<2, 0b110000, "wr">; // wr rs1, rs2, rd
207 def WRri : F3_2<2, 0b110000, "wr">; // wr rs1, imm, rd
209 // Convert Integer to Floating-point Instructions, p. 141
210 def FITOS : F3_3<2, 0b110100, 0b011000100, "fitos">;
211 def FITOD : F3_3<2, 0b110100, 0b011001000, "fitos">;
213 // Convert between Floating-point Formats Instructions, p. 143
214 def FSTOD : F3_3<2, 0b110100, 0b011001001, "fstod">;
215 def FDTOS : F3_3<2, 0b110100, 0b011000110, "fdtos">;
217 // Floating-point Move Instructions, p. 144
218 def FMOVS : F3_3<2, 0b110100, 0b000000001, "fmovs">;
219 def FNEGS : F3_3<2, 0b110100, 0b000000101, "fnegs">;
220 def FABSS : F3_3<2, 0b110100, 0b000001001, "fabss">;
222 // Floating-point Add and Subtract Instructions, p. 146
223 def FADDS : F3_3<2, 0b110100, 0b001000001, "fadds">;
224 def FADDD : F3_3<2, 0b110100, 0b001000010, "faddd">;
225 def FSUBS : F3_3<2, 0b110100, 0b001000101, "fsubs">;
226 def FSUBD : F3_3<2, 0b110100, 0b001000110, "fsubd">;
228 // Floating-point Multiply and Divide Instructions, p. 147
229 def FMULS : F3_3<2, 0b110100, 0b001001001, "fmuls">;
230 def FMULD : F3_3<2, 0b110100, 0b001001010, "fmuld">;
231 def FSMULD : F3_3<2, 0b110100, 0b001101001, "fsmuld">;
232 def FDIVS : F3_3<2, 0b110100, 0b001001101, "fdivs">;
233 def FDIVD : F3_3<2, 0b110100, 0b001001110, "fdivd">;
235 // Floating-point Compare Instructions, p. 148
236 // Note: the 2nd template arg is different for these guys
237 def FCMPS : F3_3<2, 0b110101, 0b001010001, "fcmps">;
238 def FCMPD : F3_3<2, 0b110101, 0b001010010, "fcmpd">;
239 def FCMPES : F3_3<2, 0b110101, 0b001010101, "fcmpes">;
240 def FCMPED : F3_3<2, 0b110101, 0b001010110, "fcmped">;