1 /*
2 * Copyright 2002 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.asm.sparc;
26
27 import sun.jvm.hotspot.asm.*;
28
29 // Please refer to "The SPARC Architecture Manual - Version 8"
30
31 public interface SPARCOpcodes {
32
33 // format type is coded in 2 bits - primary opcode - "op"
34 public static final int FORMAT_START_BIT = 30;
35 public static final int FORMAT_MASK = 3 << FORMAT_START_BIT;
36
37 // sparc instruction formats
38
39 // PC Relative CALL
40 public static final int FORMAT_1 = 1;
41
42 // Bicc, FBfcc, CBccc, SETHI
43 public static final int FORMAT_2 = 0;
44
45 // memory instructions
46 public static final int FORMAT_3 = 3;
47
48 // arithmetic, logical, shift and remaining
49 public static final int FORMAT_3A = 2;
50
51 // disp 30 - used in pc relative call
52 public static final int DISP_30_MASK = 0x3FFFFFFF;
53
54 // secondary opcode "op2" used in FORMAT_2 instructions - 3 bits.
55 public static final int OP_2_START_BIT = 22;
56 public static final int OP_2_MASK = 7 << OP_2_START_BIT;
57
58 // various "op2" masks
59 public static final int OP_2_UNIMP = 0;
60 public static final int OP_2_Bicc = 2;
61 public static final int OP_2_SETHI = 4;
62 public static final int OP_2_FBfcc = 6;
63 public static final int OP_2_CBccc = 7;
64
65 // condition codes are encoded in 4 bits.
66 public static final int CONDITION_CODE_START_BIT = 25;
67 public static final int CONDITION_CODE_MASK = 0xF << CONDITION_CODE_START_BIT;
68
69 // branch condition codes
70 public static final int CONDITION_BN = 0;
71 public static final int CONDITION_FBN = CONDITION_BN;
72 public static final int CONDITION_CBN = CONDITION_BN;
73 public static final int CONDITION_TN = CONDITION_BN;
74
75 public static final int CONDITION_BE = 1;
76 public static final int CONDITION_FBNE = CONDITION_BE;
77 public static final int CONDITION_CB123= CONDITION_BE;
78 public static final int CONDITION_TE = CONDITION_BE;
79
80 public static final int CONDITION_BLE = 2;
81 public static final int CONDITION_FBLG = CONDITION_BLE;
82 public static final int CONDITION_CB12 = CONDITION_BLE;
83 public static final int CONDITION_TLE = CONDITION_BLE;
84
85 public static final int CONDITION_BL = 3;
86 public static final int CONDITION_FBUL = CONDITION_BL;
87 public static final int CONDITION_CB13 = CONDITION_BL;
88 public static final int CONDITION_TL = CONDITION_BL;
89
90 public static final int CONDITION_BLEU = 4;
91 public static final int CONDITION_FBL = CONDITION_BLEU;
92 public static final int CONDITION_CB1 = CONDITION_BLEU;
93 public static final int CONDITION_TLEU = CONDITION_BLEU;
94
95 public static final int CONDITION_BCS = 5;
96 public static final int CONDITION_FBUG = CONDITION_BCS;
97 public static final int CONDITION_CB23 = CONDITION_BCS;
98 public static final int CONDITION_TCS = CONDITION_BCS;
99
100 public static final int CONDITION_BNEG = 6;
101 public static final int CONDITION_FBG = CONDITION_BNEG;
102 public static final int CONDITION_CB2 = CONDITION_BNEG;
103 public static final int CONDITION_TNEG = CONDITION_BNEG;
104
105 public static final int CONDITION_BVS = 7;
106 public static final int CONDITION_FBU = CONDITION_BVS;
107 public static final int CONDITION_CB3 = CONDITION_BVS;
108 public static final int CONDITION_TVS = CONDITION_BVS;
109
110 public static final int CONDITION_BA = 8;
111 public static final int CONDITION_FBA = CONDITION_BA;
112 public static final int CONDITION_CBA = CONDITION_BA;
113 public static final int CONDITION_TA = CONDITION_BA;
114
115 public static final int CONDITION_BNE = 9;
116 public static final int CONDITION_FBE = CONDITION_BNE;
117 public static final int CONDITION_CB0 = CONDITION_BNE;
118 public static final int CONDITION_TNE = CONDITION_BNE;
119
120 public static final int CONDITION_BG = 0xA;
121 public static final int CONDITION_FBUE = CONDITION_BG;
122 public static final int CONDITION_CB03 = CONDITION_BG;
123 public static final int CONDITION_TG = CONDITION_BG;
124
125 public static final int CONDITION_BGE = 0xB;
126 public static final int CONDITION_FBGE = CONDITION_BGE;
127 public static final int CONDITION_CB02 = CONDITION_BGE;
128 public static final int CONDITION_TGE = CONDITION_BGE;
129
130 public static final int CONDITION_BGU = 0xC;
131 public static final int CONDITION_FBUGE= CONDITION_BGU;
132 public static final int CONDITION_CB023= CONDITION_BGU;
133 public static final int CONDITION_TGU = CONDITION_BGU;
134
135 public static final int CONDITION_BCC = 0xD;
136 public static final int CONDITION_FBLE = CONDITION_BCC;
137 public static final int CONDITION_CB01 = CONDITION_BCC;
138 public static final int CONDITION_TCC = CONDITION_BCC;
139
140 public static final int CONDITION_BPOS = 0xE;
141 public static final int CONDITION_FBULE= CONDITION_BPOS;
142 public static final int CONDITION_CB013= CONDITION_BPOS;
143 public static final int CONDITION_TPOS = CONDITION_BPOS;
144
145 public static final int CONDITION_BVC = 0xF;
146 public static final int CONDITION_FBO = CONDITION_BVC;
147 public static final int CONDITION_CB012= CONDITION_BVC;
148 public static final int CONDITION_TVC = CONDITION_BVC;
149
150 // annul bit mask
151 public static final int ANNUL_MASK = 1 << 29;
152
153 // 22 bit displacement or immediate value - used in FORMAT_2 instructions.
154 public static final int DISP_22_MASK = 0x3FFFFF;
155 public static final int IMM_22_MASK = DISP_22_MASK;
156
157 // second operand mask, called "i" bit
158 public static final int I_START_BIT = 13;
159 public static final int I_MASK = 1 << I_START_BIT;
160
161 // address space identifier - "asi" - 8 bits
162 public static final int ASI_START_BIT = 5;
163 public static final int ASI_MASK = 0xFF << ASI_START_BIT;
164
165 // signed immediate value 13 bits - "simm13"
166 public static final int SIMM_13_MASK = 0x1FFF;
167
168 // co-processor or floating point opcode field - "ocf/opf" - 9 bits
169 public static final int OPF_START_BIT = 5;
170 public static final int OPF_MASK = 0x1FF << OPF_START_BIT;
171 public static final int OPC_MASK = OPF_MASK;
172
173 // opcode part 3 - used in FORMAT_3 and FORMAT_3A instructions
174 // "op3" - 6 bits
175 public static final int OP_3_START_BIT = 19;
176 public static final int OP_3_MASK = 0x3F << OP_3_START_BIT;
177
178 // register masks
179 public static final int RD_START_BIT = 25;
180 public static final int RD_MASK = 0x1F << RD_START_BIT; // "rd"
181 public static final int RS1_START_BIT = 14;
182 public static final int RS1_MASK = 0x1F << RS1_START_BIT; // "rs1"
183 public static final int RS2_MASK = 0x1F; // "rs2"
184
185 // load/store instructions - op3 values - used with op=3 (FORMAT_3)
186 public static final int LD = 0;
187 public static final int LDA = (1 << 4);
188 public static final int LDF = (2 << 4);
189 public static final int LDC = (3 << 4);
190
191 public static final int LDUB = 1;
192 public static final int LDUBA = (1 << 4) | 1;
193 public static final int LDFSR = (2 << 4) | 1;
194 public static final int LDCSR = (3 << 4) | 1;
195
196 public static final int LDUH = 2;
197 public static final int LDUHA = (1 << 4) | 2;
198
199 public static final int LDD = 3;
200 public static final int LDDA = (1 << 4) | 3;
201 public static final int LDDF = (2 << 4) | 3;
202 public static final int LDDC = (3 << 4) | 3;
203
204 public static final int ST = 4;
205 public static final int STA = (1 << 4) | 4;
206 public static final int STF = (2 << 4) | 4;
207 public static final int STC = (3 << 4) | 4;
208
209 public static final int STB = 5;
210 public static final int STBA = (1 << 4) | 5;
211 public static final int STFSR = (2 << 4) | 5;
212 public static final int STCSR = (3 << 4) | 5;
213
214 public static final int STH = 6;
215 public static final int STHA = (1 << 4) | 6;
216 public static final int STDFQ = (2 << 4) | 6;
217 public static final int STDCQ = (3 << 4) | 6;
218
219 public static final int STD = 7;
220 public static final int STDA = (1 << 4) | 7;
221 public static final int STDF = (2 << 4) | 7;
222 public static final int STDC = (3 << 4) | 7;
223
224 public static final int LDSB = 9;
225 public static final int LDSBA = (1 << 4) | 9;
226
227 public static final int LDSH = 0xA;
228 public static final int LDSHA = (1 << 4) | 0xA;
229
230 public static final int LDSTUB = 0xD;
231 public static final int LDSTUBA = (1 << 4) | 0xD;
232
233 public static final int SWAP = 0xF;
234 public static final int SWAPA = (1 << 4) | 0xF;
235
236 // arithmetic, logic remaining - op3 with op=2 (FORMAT_3A)
237 public static final int ADD = 0;
238 public static final int ADDcc = (1 << 4);
239 public static final int TADDcc = (2 << 4);
240 public static final int WRASR = (3 << 4);
241 public static final int WRY = WRASR;
242
243 public static final int AND = 1;
244 public static final int ANDcc = (1 << 4) | 1;
245 public static final int TSUBcc = (2 << 4) | 1;
246 public static final int WRPSR = (3 << 4) | 1;
247
248 public static final int OR = 2;
249 public static final int ORcc = (1 << 4) | 2;
250 public static final int TADDccTV = (2 << 4) | 2;
251 public static final int WRWIM = (3 << 4) | 2;
252
253 public static final int XOR = 3;
254 public static final int XORcc = (1 << 4) | 3;
255 public static final int TSUBccTV = (2 << 4) | 3;
256 public static final int WRTBR = (3 << 4) | 3;
257
258 public static final int SUB = 4;
259 public static final int SUBcc = (1 << 4) | 4;
260 public static final int MULScc = (2 << 4) | 4;
261 public static final int FPop1 = (3 << 4) | 4;
262
263 public static final int ANDN = 5;
264 public static final int ANDNcc = (1 << 4) | 5;
265 public static final int SLL = (2 << 4) | 5;
266 public static final int FPop2 = (3 << 4) | 5;
267
268 public static final int ORN = 6;
269 public static final int ORNcc = (1 << 4) | 6;
270 public static final int SRL = (2 << 4) | 6;
271 public static final int CPop1 = (3 << 4) | 6;
272
273 public static final int XNOR = 7;
274 public static final int XNORcc = (1 << 4) | 7;
275 public static final int SRA = (2 << 4) | 7;
276 public static final int CPop2 = (3 << 4) | 7;
277
278 public static final int ADDX = 8;
279 public static final int ADDXcc = (1 << 4) | 8;
280 public static final int RDASR = (2 << 4) | 8;
281 public static final int RDY = RDASR;
282 public static final int STBAR = RDASR;
283 public static final int JMPL = (3 << 4) | 8;
284
285 public static final int RDPSR = (2 << 4) | 9;
286 public static final int RETT = (3 << 4) | 9;
287
288 public static final int UMUL = 0xA;
289 public static final int UMULcc = (1 << 4) | 0xA;
290 public static final int RDWIM = (2 << 4) | 0xA;
291 public static final int Ticc = (3 << 4) | 0xA;
292
293 public static final int SMUL = 0xB;
294 public static final int SMULcc = (1 << 4) | 0xB;
295 public static final int RDTBR = (2 << 4) | 0xB;
296 public static final int FLUSH = (3 << 4) | 0xB;
297
298 public static final int SUBX = 0xC;
299 public static final int SUBXcc = (1 << 4) | 0xC;
300 public static final int SAVE = (3 << 4) | 0xC;
301
302 public static final int RESTORE = (3 << 4) | 0xD;
303
304 public static final int UDIV = 0xE;
305 public static final int UDIVcc = (1 << 4) | 0xE;
306
307 public static final int SDIV = 0xF;
308 public static final int SDIVcc = (1 << 4) | 0xF;
309
310 // opf - 9 bits (op=2, op3=0x34=FPop1) - floating point arithmetic
311 public static final int FMOVs = 0x01;
312 public static final int FNEGs = 0x05;
313 public static final int FABSs = 0x09;
314 public static final int FSQRTs = 0x29;
315 public static final int FSQRTd = 0x2A;
316 public static final int FSQRTq = 0x2B;
317 public static final int FADDs = 0x41;
318 public static final int FADDd = 0x42;
319 public static final int FADDq = 0x43;
320 public static final int FSUBs = 0x45;
321 public static final int FSUBd = 0x46;
322 public static final int FSUBq = 0x47;
323 public static final int FMULs = 0x49;
324 public static final int FMULd = 0x4A;
325 public static final int FMULq = 0x4B;
326 public static final int FDIVs = 0x4D;
327 public static final int FDIVd = 0x4E;
328 public static final int FDIVq = 0x4F;
329 public static final int FsMULd = 0x69;
330 public static final int FdMULq = 0x6E;
331 public static final int FiTOs = 0xC4;
332 public static final int FdTOs = 0xC6;
333 public static final int FqTOs = 0xC7;
334 public static final int FiTOd = 0xC8;
335 public static final int FsTOd = 0xC9;
336 public static final int FqTOd = 0xCB;
337 public static final int FiTOq = 0xCC;
338 public static final int FsTOq = 0xCD;
339 public static final int FdTOq = 0xCE;
340 public static final int FsTOi = 0xD1;
341 public static final int FdTOi = 0xD2;
342 public static final int FqTOi = 0xD3;
343
344 // opf - 9 bits (op=2, op3=0x35=FPop2) - floating point comparisons
345 public static final int FCMPs = 0x51;
346 public static final int FCMPd = 0x52;
347 public static final int FCMPq = 0x53;
348 public static final int FCMPEs = 0x55;
349 public static final int FCMPEd = 0x56;
350 public static final int FCMPEq = 0x57;
351
352 // 5 bit shift count mask
353 public static final int SHIFT_COUNT_5_MASK = 0x1F;
354 }