1 //===- Sparc.td - Target Description for Sparc V9 Target --------*- C++ -*-===//
3 //===----------------------------------------------------------------------===//
5 //===----------------------------------------------------------------------===//
6 // Target-Independent interface
7 //===----------------------------------------------------------------------===//
10 string Namespace = "";
15 string Name; // The opcode string for this instruction
16 string Namespace = "";
18 list<Register> Uses = []; // Default to using no non-operand registers
19 list<Register> Defs = []; // Default to modifying no non-operand registers
21 // These bits capture information about the high-level semantics of the
23 bit isReturn = 0; // Is this instruction a return instruction?
24 bit isBranch = 0; // Is this instruction a branch instruction?
25 bit isCall = 0; // Is this instruction a call instruction?
29 //===----------------------------------------------------------------------===//
30 // Declarations that describe the Sparc register file
31 //===----------------------------------------------------------------------===//
33 class V9Reg : Register { set Namespace = "SparcV9"; }
35 // Ri - One of the 32 64 bit integer registers
36 class Ri<bits<5> num> : V9Reg { set Size = 64; field bits<5> Num = num; }
38 def G0 : Ri<0>; def G1 : Ri<1>; def G2 : Ri<2>; def G3 : Ri<3>;
42 //===----------------------------------------------------------------------===//
43 // This is temporary testing stuff.....
44 //===----------------------------------------------------------------------===//
46 class InstV9 : Instruction { // Sparc instruction baseline
49 set Namespace = "SparcV9";
52 set Inst{31-30} = op; // Top two bits are the 'op' field
54 // Bit attributes specific to Sparc instructions
55 bit isPasi = 0; // Does this instruction affect an alternate addr space?
56 bit isDeprecated = 0; // Is this instruction deprecated?
57 bit isPrivileged = 0; // Is this a privileged instruction?
61 //===----------------------------------------------------------------------===//
64 class F2 : InstV9 { // Format 2 instructions
67 set Inst{24-22} = op2;
70 class F2_br : F2 { // Format 2 Branch instruction
71 bit annul; // All branches have an annul bit
73 set isBranch = 1; // All instances are branch instructions
76 class F2_2<bits<4> cond, string name> : F2_br { // Format 2.2 instructions
80 set Inst{28-25} = cond;
81 set Inst{21-0} = disp;
84 class F2_3<bits<4> cond, string name> : F2_br { // Format 2.3 instructions
90 set Inst{28-25} = cond;
92 set Inst{19} = predict;
93 set Inst{18-0} = disp;
96 class F2_4<bits<3> rcond, string name> : F2_br { // Format 2.4 instructions
97 // Variables exposed by the instruction...
104 set Inst{27-25} = rcond;
105 // Inst{24-22} = op2 field
106 set Inst{21-20} = disp{15-14};
107 set Inst{19} = predict;
108 set Inst{18-14} = rs1;
109 set Inst{13-0 } = disp{13-0};
113 //===----------------------------------------------------------------------===//
117 // F3 - Common superclass of all F3 instructions. All instructions have an op3
121 set op{1} = 1; // Op = 2 or 3
122 set Inst{24-19} = op3;
125 // F3_rs1 - Common superclass of instructions that use rs1
128 set Inst{18-14} = rs1;
131 // F3_rs1rd - Common superclass of instructions that use rs1 & rd...
132 class F3_rs1rd : F3_rs1 {
134 set Inst{29-25} = rd;
137 // F3_rs1rdrs2 - Common superclass of instructions with rs1, rd, & rs2 fields
138 class F3_rs1rdrs2 : F3_rs1 {
143 // Specific F3 classes...
146 class F3_1<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rdrs2 {
150 set Inst{13} = 0; // i field = 0
151 //set Inst{12-5} = dontcare;
154 class F3_2<bits<2> opVal, bits<6> op3val, string name> : F3_rs1rd {
160 set Inst{13} = 1; // i field = 1
161 set Inst{12-0} = simm;
164 class F3_3<bits<2> opVal, bits<6> op3val, string name> : F3_rs1 {
169 //set Inst{29-25} = dontcare;
171 //set Inst{12-5} = dontcare;
175 class F3_4<bits<2> opVal, bits<6> op3val, string name> : F3_rs1 {
180 //set Inst{29-25} = dontcare;
182 set Inst{12-0} = simm;
187 class F3_16<bits<2> opVal, bits<6> op3val,
188 bits<9> opfval, string name> : F3_rs1rdrs2 {
192 set Inst{13-5} = opfval;
195 class F3_18<bits<5> fcn, string name> : F3 {
199 set Inst{29-25} = fcn;
200 //set Inst{18-0 } = dontcare;
203 //===----------------------------------------------------------------------===//
204 // Instruction list...
208 def ADDr : F3_1<2, 0b000000, "add">; // add r, r, r
209 def ADDi : F3_2<2, 0b000000, "add">; // add r, r, i
210 def ADDCCr : F3_1<2, 0b010000, "addcc">; // addcc r, r, r
211 def ADDCCi : F3_2<2, 0b010000, "addcc">; // addcc r, r, i
212 def ADDCr : F3_1<2, 0b001000, "addC">; // addC r, r, r
213 def ADDCi : F3_2<2, 0b001000, "addC">; // addC r, r, i
214 def ADDCCCr : F3_1<2, 0b011000, "addCcc">; // addCcc r, r, r
215 def ADDCCCi : F3_2<2, 0b011000, "addCcc">; // addCcc r, r, i
219 def BRZ : F2_4<0b001, "brz">; // Branch on rs1 == 0
220 def BRLEZ : F2_4<0b010, "brlez">; // Branch on rs1 <= 0
221 def BRLZ : F2_4<0b011, "brlz">; // Branch on rs1 < 0
222 def BRNZ : F2_4<0b101, "brnz">; // Branch on rs1 != 0
223 def BRGZ : F2_4<0b110, "brgz">; // Branch on rs1 > 0
224 def BRGEZ : F2_4<0b111, "brgez">; // Branch on rs1 >= 0
228 set isDeprecated = 1 in {
230 def FBA : F2_2<0b1000, "fba">; // Branch always
231 def FBN : F2_2<0b0000, "fbn">; // Branch never
232 def FBU : F2_2<0b0111, "fbu">; // Branch on unordered
233 def FBG : F2_2<0b0110, "fbg">; // Branch >
234 def FBUG : F2_2<0b0101, "fbug">; // Branch on unordered or >
235 def FBL : F2_2<0b0100, "fbl">; // Branch <
236 def FBUL : F2_2<0b0011, "fbul">; // Branch on unordered or <
237 def FBLG : F2_2<0b0010, "fblg">; // Branch < or >
238 def FBNE : F2_2<0b0001, "fbne">; // Branch !=
239 def FBE : F2_2<0b1001, "fbe">; // Branch ==
240 def FBUE : F2_2<0b1010, "fbue">; // Branch on unordered or ==
241 def FBGE : F2_2<0b1011, "fbge">; // Branch > or ==
242 def FBUGE : F2_2<0b1100, "fbuge">; // Branch unord or > or ==
243 def FBLE : F2_2<0b1101, "fble">; // Branch < or ==
244 def FBULE : F2_2<0b1110, "fbule">; // Branch unord or < or ==
245 def FBO : F2_2<0b1111, "fbo">; // Branch on ordered
251 def FBPA : F2_3<0b1000, "fbpa">; // Branch always
252 def FBPN : F2_3<0b0000, "fbpn">; // Branch never
253 def FBPU : F2_3<0b0111, "fbpu">; // Branch on unordered
254 def FBPG : F2_3<0b0110, "fbpg">; // Branch >
255 def FBPUG : F2_3<0b0101, "fbpug">; // Branch on unordered or >
256 def FBPL : F2_3<0b0100, "fbpl">; // Branch <
257 def FBPUL : F2_3<0b0011, "fbpul">; // Branch on unordered or <
258 def FBPLG : F2_3<0b0010, "fbplg">; // Branch < or >
259 def FBPNE : F2_3<0b0001, "fbpne">; // Branch !=
260 def FBPE : F2_3<0b1001, "fbpe">; // Branch ==
261 def FBPUE : F2_3<0b1010, "fbpue">; // Branch on unordered or ==
262 def FBPGE : F2_3<0b1011, "fbpge">; // Branch > or ==
263 def FBPUGE : F2_3<0b1100, "fbpuge">; // Branch unord or > or ==
264 def FBPLE : F2_3<0b1101, "fbple">; // Branch < or ==
265 def FBPULE : F2_3<0b1110, "fbpule">; // Branch unord or < or ==
266 def FBPO : F2_3<0b1111, "fbpo">; // Branch on ordered
269 // Section A.6: p170: Bicc
270 set isDeprecated = 1 in {
272 def BA : F2_2<0b1000, "ba">; // Branch always
273 def BN : F2_2<0b0000, "bn">; // Branch never
274 def BNE : F2_2<0b1001, "bne">; // Branch !=
275 def BE : F2_2<0b0001, "be">; // Branch ==
276 def BG : F2_2<0b1010, "bg">; // Branch >
277 def BLE : F2_2<0b0010, "ble">; // Branch <=
278 def BGE : F2_2<0b1011, "bge">; // Branch >=
279 def BL : F2_2<0b0011, "bl">; // Branch <
280 def BGU : F2_2<0b1100, "bgu">; // Branch unsigned >
281 def BLEU : F2_2<0b0100, "bleu">; // Branch unsigned <=
282 def BCC : F2_2<0b1101, "bcc">; // Branch unsigned >=
283 def BCS : F2_2<0b0101, "bcs">; // Branch unsigned <=
284 def BPOS : F2_2<0b1110, "bpos">; // Branch on positive
285 def BNEG : F2_2<0b0110, "bneg">; // Branch on negative
286 def BVC : F2_2<0b1111, "bvc">; // Branch on overflow clear
287 def BVS : F2_2<0b0111, "bvs">; // Branch on overflow set
293 def BPA : F2_3<0b1000, "bpa">; // Branch always
294 def BPN : F2_3<0b0000, "bpn">; // Branch never
295 def BPNE : F2_3<0b1001, "bpne">; // Branch !=
296 def BPE : F2_3<0b0001, "bpe">; // Branch ==
297 def BPG : F2_3<0b1010, "bpg">; // Branch >
298 def BPLE : F2_3<0b0010, "bple">; // Branch <=
299 def BPGE : F2_3<0b1011, "bpge">; // Branch >=
300 def BPL : F2_3<0b0011, "bpl">; // Branch <
301 def BPGU : F2_3<0b1100, "bpgu">; // Branch unsigned >
303 def BPLEU : F2_3<0b0100, "bpleu">; // Branch unsigned <=
304 def BPCC : F2_3<0b1101, "bpcc">; // Branch unsigned >=
305 def BPCS : F2_3<0b0101, "bpcs">; // Branch unsigned <=
306 def BPPOS : F2_3<0b1110, "bppos">; // Branch on positive
307 def BPNEG : F2_3<0b0110, "bpneg">; // Branch on negative
308 def BPVC : F2_3<0b1111, "bpvc">; // Branch on overflow clear
309 def BPVS : F2_3<0b0111, "bpvs">; // Branch on overflow set
312 // Section A.8: p175 - CALL - the only Format #1 instruction
316 set Inst{29-0} = disp;
321 // Section A.9: Compare and Swap - p176
322 // CASA/CASXA: are for alternate address spaces! Ignore them
325 // Section A.10: Divide (64-bit / 32-bit) - p178
326 set isDeprecated = 1 in {
327 def UDIVr : F3_1<2, 0b001110, "udiv">; // udiv r, r, r
328 def UDIVi : F3_2<2, 0b001110, "udiv">; // udiv r, r, i
329 def SDIVr : F3_1<2, 0b001111, "sdiv">; // sdiv r, r, r
330 def SDIVi : F3_2<2, 0b001111, "sdiv">; // sdiv r, r, i
331 def UDIVCCr : F3_1<2, 0b011110, "udivcc">; // udivcc r, r, r
332 def UDIVCCi : F3_2<2, 0b011110, "udivcc">; // udivcc r, r, i
333 def SDIVCCr : F3_1<2, 0b011111, "sdivcc">; // sdivcc r, r, r
334 def SDIVCCi : F3_2<2, 0b011111, "sdivcc">; // sdivcc r, r, i
337 // Section A.11: DONE and RETRY - p181
338 set isPrivileged = 1 in {
339 def DONE : F3_18<0, "done">; // done
340 def RETRY : F3_18<1, "retry">; // retry
343 // Section A.12: Floating-Point Add and Subtract - p182
344 def FADDS : F3_16<2, 0b110100, 0x41, "fadds">; // fadds f, f, f
345 def FADDD : F3_16<2, 0b110100, 0x42, "faddd">; // faddd f, f, f
346 def FADDQ : F3_16<2, 0b110100, 0x43, "faddq">; // faddq f, f, f
347 def FSUBS : F3_16<2, 0b110100, 0x45, "fsubs">; // fsubs f, f, f
348 def FSUBD : F3_16<2, 0b110100, 0x46, "fsubd">; // fsubd f, f, f
349 def FSUBQ : F3_16<2, 0b110100, 0x47, "fsubq">; // fsubq f, f, f
355 // Section A.45: RETURN - p240
356 set isReturn = 1 in {
357 def RETURNr : F3_3<2, 0b111001, "return">; // return
358 def RETURNi : F3_4<2, 0b111001, "return">; // return