1 //===- SparcInstrInfo.td - Target Description for Sparc 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 Sparc instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Instruction format superclass
16 //===----------------------------------------------------------------------===//
18 include "SparcInstrFormats.td"
20 //===----------------------------------------------------------------------===//
21 // Feature predicates.
22 //===----------------------------------------------------------------------===//
24 // HasV9 - This predicate is true when the target processor supports V9
25 // instructions. Note that the machine may be running in 32-bit mode.
26 def HasV9 : Predicate<"Subtarget.isV9()">;
28 // HasNoV9 - This predicate is true when the target doesn't have V9
29 // instructions. Use of this is just a hack for the isel not having proper
30 // costs for V8 instructions that are more expensive than their V9 ones.
31 def HasNoV9 : Predicate<"!Subtarget.isV9()">;
33 // HasVIS - This is true when the target processor has VIS extensions.
34 def HasVIS : Predicate<"Subtarget.isVIS()">;
36 // UseDeprecatedInsts - This predicate is true when the target processor is a
37 // V8, or when it is V9 but the V8 deprecated instructions are efficient enough
38 // to use when appropriate. In either of these cases, the instruction selector
39 // will pick deprecated instructions.
40 def UseDeprecatedInsts : Predicate<"Subtarget.useDeprecatedV8Instructions()">;
42 //===----------------------------------------------------------------------===//
43 // Instruction Pattern Stuff
44 //===----------------------------------------------------------------------===//
46 def simm11 : PatLeaf<(imm), [{
47 // simm11 predicate - True if the imm fits in a 11-bit sign extended field.
48 return (((int)N->getValue() << (32-11)) >> (32-11)) == (int)N->getValue();
51 def simm13 : PatLeaf<(imm), [{
52 // simm13 predicate - True if the imm fits in a 13-bit sign extended field.
53 return (((int)N->getValue() << (32-13)) >> (32-13)) == (int)N->getValue();
56 def LO10 : SDNodeXForm<imm, [{
57 return CurDAG->getTargetConstant((unsigned)N->getValue() & 1023, MVT::i32);
60 def HI22 : SDNodeXForm<imm, [{
61 // Transformation function: shift the immediate value down into the low bits.
62 return CurDAG->getTargetConstant((unsigned)N->getValue() >> 10, MVT::i32);
65 def SETHIimm : PatLeaf<(imm), [{
66 return (((unsigned)N->getValue() >> 10) << 10) == (unsigned)N->getValue();
70 def ADDRrr : ComplexPattern<i32, 2, "SelectADDRrr", [], []>;
71 def ADDRri : ComplexPattern<i32, 2, "SelectADDRri", [frameindex], []>;
74 def MEMrr : Operand<i32> {
75 let PrintMethod = "printMemOperand";
76 let MIOperandInfo = (ops IntRegs, IntRegs);
78 def MEMri : Operand<i32> {
79 let PrintMethod = "printMemOperand";
80 let MIOperandInfo = (ops IntRegs, i32imm);
83 // Branch targets have OtherVT type.
84 def brtarget : Operand<OtherVT>;
85 def calltarget : Operand<i32>;
87 // Operand for printing out a condition code.
88 let PrintMethod = "printCCOperand" in
89 def CCOp : Operand<i32>;
92 SDTypeProfile<0, 2, [SDTCisFP<0>, SDTCisSameAs<0, 1>]>;
94 SDTypeProfile<0, 2, [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
96 SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>]>;
98 SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
100 SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
102 def SPcmpicc : SDNode<"SPISD::CMPICC", SDTIntBinOp, [SDNPOutFlag]>;
103 def SPcmpfcc : SDNode<"SPISD::CMPFCC", SDTSPcmpfcc, [SDNPOutFlag]>;
104 def SPbricc : SDNode<"SPISD::BRICC", SDTSPbrcc, [SDNPHasChain, SDNPInFlag]>;
105 def SPbrfcc : SDNode<"SPISD::BRFCC", SDTSPbrcc, [SDNPHasChain, SDNPInFlag]>;
107 def SPhi : SDNode<"SPISD::Hi", SDTIntUnaryOp>;
108 def SPlo : SDNode<"SPISD::Lo", SDTIntUnaryOp>;
110 def SPftoi : SDNode<"SPISD::FTOI", SDTSPFTOI>;
111 def SPitof : SDNode<"SPISD::ITOF", SDTSPITOF>;
113 def SPselecticc : SDNode<"SPISD::SELECT_ICC", SDTSPselectcc, [SDNPInFlag]>;
114 def SPselectfcc : SDNode<"SPISD::SELECT_FCC", SDTSPselectcc, [SDNPInFlag]>;
116 // These are target-independent nodes, but have target-specific formats.
117 def SDT_SPCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
118 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_SPCallSeq,
119 [SDNPHasChain, SDNPOutFlag]>;
120 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_SPCallSeq,
121 [SDNPHasChain, SDNPOutFlag]>;
123 def SDT_SPCall : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
124 def call : SDNode<"SPISD::CALL", SDT_SPCall,
125 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
127 def SDT_SPRetFlag : SDTypeProfile<0, 0, []>;
128 def retflag : SDNode<"SPISD::RET_FLAG", SDT_SPRetFlag,
129 [SDNPHasChain, SDNPOptInFlag]>;
131 //===----------------------------------------------------------------------===//
132 // SPARC Flag Conditions
133 //===----------------------------------------------------------------------===//
135 // Note that these values must be kept in sync with the CCOp::CondCode enum
137 class ICC_VAL<int N> : PatLeaf<(i32 N)>;
138 def ICC_NE : ICC_VAL< 9>; // Not Equal
139 def ICC_E : ICC_VAL< 1>; // Equal
140 def ICC_G : ICC_VAL<10>; // Greater
141 def ICC_LE : ICC_VAL< 2>; // Less or Equal
142 def ICC_GE : ICC_VAL<11>; // Greater or Equal
143 def ICC_L : ICC_VAL< 3>; // Less
144 def ICC_GU : ICC_VAL<12>; // Greater Unsigned
145 def ICC_LEU : ICC_VAL< 4>; // Less or Equal Unsigned
146 def ICC_CC : ICC_VAL<13>; // Carry Clear/Great or Equal Unsigned
147 def ICC_CS : ICC_VAL< 5>; // Carry Set/Less Unsigned
148 def ICC_POS : ICC_VAL<14>; // Positive
149 def ICC_NEG : ICC_VAL< 6>; // Negative
150 def ICC_VC : ICC_VAL<15>; // Overflow Clear
151 def ICC_VS : ICC_VAL< 7>; // Overflow Set
153 class FCC_VAL<int N> : PatLeaf<(i32 N)>;
154 def FCC_U : FCC_VAL<23>; // Unordered
155 def FCC_G : FCC_VAL<22>; // Greater
156 def FCC_UG : FCC_VAL<21>; // Unordered or Greater
157 def FCC_L : FCC_VAL<20>; // Less
158 def FCC_UL : FCC_VAL<19>; // Unordered or Less
159 def FCC_LG : FCC_VAL<18>; // Less or Greater
160 def FCC_NE : FCC_VAL<17>; // Not Equal
161 def FCC_E : FCC_VAL<25>; // Equal
162 def FCC_UE : FCC_VAL<24>; // Unordered or Equal
163 def FCC_GE : FCC_VAL<25>; // Greater or Equal
164 def FCC_UGE : FCC_VAL<26>; // Unordered or Greater or Equal
165 def FCC_LE : FCC_VAL<27>; // Less or Equal
166 def FCC_ULE : FCC_VAL<28>; // Unordered or Less or Equal
167 def FCC_O : FCC_VAL<29>; // Ordered
169 //===----------------------------------------------------------------------===//
170 // Instruction Class Templates
171 //===----------------------------------------------------------------------===//
173 /// F3_12 multiclass - Define a normal F3_1/F3_2 pattern in one shot.
174 multiclass F3_12<string OpcStr, bits<6> Op3Val, SDNode OpNode> {
175 def rr : F3_1<2, Op3Val,
176 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
177 !strconcat(OpcStr, " $b, $c, $dst"),
178 [(set IntRegs:$dst, (OpNode IntRegs:$b, IntRegs:$c))]>;
179 def ri : F3_2<2, Op3Val,
180 (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
181 !strconcat(OpcStr, " $b, $c, $dst"),
182 [(set IntRegs:$dst, (OpNode IntRegs:$b, simm13:$c))]>;
185 /// F3_12np multiclass - Define a normal F3_1/F3_2 pattern in one shot, with no
187 multiclass F3_12np<string OpcStr, bits<6> Op3Val> {
188 def rr : F3_1<2, Op3Val,
189 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
190 !strconcat(OpcStr, " $b, $c, $dst"), []>;
191 def ri : F3_2<2, Op3Val,
192 (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
193 !strconcat(OpcStr, " $b, $c, $dst"), []>;
196 //===----------------------------------------------------------------------===//
198 //===----------------------------------------------------------------------===//
200 // Pseudo instructions.
201 class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
202 : InstSP<outs, ins, asmstr, pattern>;
204 let Defs = [O6], Uses = [O6] in {
205 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins i32imm:$amt),
206 "!ADJCALLSTACKDOWN $amt",
207 [(callseq_start imm:$amt)]>;
208 def ADJCALLSTACKUP : Pseudo<(outs), (ins i32imm:$amt),
209 "!ADJCALLSTACKUP $amt",
210 [(callseq_end imm:$amt)]>;
212 def IMPLICIT_DEF_Int : Pseudo<(outs IntRegs:$dst), (ins),
213 "!IMPLICIT_DEF $dst",
214 [(set IntRegs:$dst, (undef))]>;
215 def IMPLICIT_DEF_FP : Pseudo<(outs FPRegs:$dst), (ins), "!IMPLICIT_DEF $dst",
216 [(set FPRegs:$dst, (undef))]>;
217 def IMPLICIT_DEF_DFP : Pseudo<(outs DFPRegs:$dst), (ins), "!IMPLICIT_DEF $dst",
218 [(set DFPRegs:$dst, (undef))]>;
220 // FpMOVD/FpNEGD/FpABSD - These are lowered to single-precision ops by the
222 let Predicates = [HasNoV9] in { // Only emit these in V8 mode.
223 def FpMOVD : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$src),
224 "!FpMOVD $src, $dst", []>;
225 def FpNEGD : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$src),
226 "!FpNEGD $src, $dst",
227 [(set DFPRegs:$dst, (fneg DFPRegs:$src))]>;
228 def FpABSD : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$src),
229 "!FpABSD $src, $dst",
230 [(set DFPRegs:$dst, (fabs DFPRegs:$src))]>;
233 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
234 // scheduler into a branch sequence. This has to handle all permutations of
235 // selection between i32/f32/f64 on ICC and FCC.
236 let usesCustomDAGSchedInserter = 1 in { // Expanded by the scheduler.
237 def SELECT_CC_Int_ICC
238 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, IntRegs:$F, i32imm:$Cond),
239 "; SELECT_CC_Int_ICC PSEUDO!",
240 [(set IntRegs:$dst, (SPselecticc IntRegs:$T, IntRegs:$F,
242 def SELECT_CC_Int_FCC
243 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, IntRegs:$F, i32imm:$Cond),
244 "; SELECT_CC_Int_FCC PSEUDO!",
245 [(set IntRegs:$dst, (SPselectfcc IntRegs:$T, IntRegs:$F,
248 : Pseudo<(outs FPRegs:$dst), (ins FPRegs:$T, FPRegs:$F, i32imm:$Cond),
249 "; SELECT_CC_FP_ICC PSEUDO!",
250 [(set FPRegs:$dst, (SPselecticc FPRegs:$T, FPRegs:$F,
253 : Pseudo<(outs FPRegs:$dst), (ins FPRegs:$T, FPRegs:$F, i32imm:$Cond),
254 "; SELECT_CC_FP_FCC PSEUDO!",
255 [(set FPRegs:$dst, (SPselectfcc FPRegs:$T, FPRegs:$F,
257 def SELECT_CC_DFP_ICC
258 : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$T, DFPRegs:$F, i32imm:$Cond),
259 "; SELECT_CC_DFP_ICC PSEUDO!",
260 [(set DFPRegs:$dst, (SPselecticc DFPRegs:$T, DFPRegs:$F,
262 def SELECT_CC_DFP_FCC
263 : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$T, DFPRegs:$F, i32imm:$Cond),
264 "; SELECT_CC_DFP_FCC PSEUDO!",
265 [(set DFPRegs:$dst, (SPselectfcc DFPRegs:$T, DFPRegs:$F,
270 // Section A.3 - Synthetic Instructions, p. 85
271 // special cases of JMPL:
272 let isReturn = 1, isTerminator = 1, hasDelaySlot = 1 in {
273 let rd = O7.Num, rs1 = G0.Num, simm13 = 8 in
274 def RETL: F3_2<2, 0b111000, (outs), (ins), "retl", [(retflag)]>;
277 // Section B.1 - Load Integer Instructions, p. 90
278 def LDSBrr : F3_1<3, 0b001001,
279 (outs IntRegs:$dst), (ins MEMrr:$addr),
280 "ldsb [$addr], $dst",
281 [(set IntRegs:$dst, (sextloadi8 ADDRrr:$addr))]>;
282 def LDSBri : F3_2<3, 0b001001,
283 (outs IntRegs:$dst), (ins MEMri:$addr),
284 "ldsb [$addr], $dst",
285 [(set IntRegs:$dst, (sextloadi8 ADDRri:$addr))]>;
286 def LDSHrr : F3_1<3, 0b001010,
287 (outs IntRegs:$dst), (ins MEMrr:$addr),
288 "ldsh [$addr], $dst",
289 [(set IntRegs:$dst, (sextloadi16 ADDRrr:$addr))]>;
290 def LDSHri : F3_2<3, 0b001010,
291 (outs IntRegs:$dst), (ins MEMri:$addr),
292 "ldsh [$addr], $dst",
293 [(set IntRegs:$dst, (sextloadi16 ADDRri:$addr))]>;
294 def LDUBrr : F3_1<3, 0b000001,
295 (outs IntRegs:$dst), (ins MEMrr:$addr),
296 "ldub [$addr], $dst",
297 [(set IntRegs:$dst, (zextloadi8 ADDRrr:$addr))]>;
298 def LDUBri : F3_2<3, 0b000001,
299 (outs IntRegs:$dst), (ins MEMri:$addr),
300 "ldub [$addr], $dst",
301 [(set IntRegs:$dst, (zextloadi8 ADDRri:$addr))]>;
302 def LDUHrr : F3_1<3, 0b000010,
303 (outs IntRegs:$dst), (ins MEMrr:$addr),
304 "lduh [$addr], $dst",
305 [(set IntRegs:$dst, (zextloadi16 ADDRrr:$addr))]>;
306 def LDUHri : F3_2<3, 0b000010,
307 (outs IntRegs:$dst), (ins MEMri:$addr),
308 "lduh [$addr], $dst",
309 [(set IntRegs:$dst, (zextloadi16 ADDRri:$addr))]>;
310 def LDrr : F3_1<3, 0b000000,
311 (outs IntRegs:$dst), (ins MEMrr:$addr),
313 [(set IntRegs:$dst, (load ADDRrr:$addr))]>;
314 def LDri : F3_2<3, 0b000000,
315 (outs IntRegs:$dst), (ins MEMri:$addr),
317 [(set IntRegs:$dst, (load ADDRri:$addr))]>;
319 // Section B.2 - Load Floating-point Instructions, p. 92
320 def LDFrr : F3_1<3, 0b100000,
321 (outs FPRegs:$dst), (ins MEMrr:$addr),
323 [(set FPRegs:$dst, (load ADDRrr:$addr))]>;
324 def LDFri : F3_2<3, 0b100000,
325 (outs FPRegs:$dst), (ins MEMri:$addr),
327 [(set FPRegs:$dst, (load ADDRri:$addr))]>;
328 def LDDFrr : F3_1<3, 0b100011,
329 (outs DFPRegs:$dst), (ins MEMrr:$addr),
331 [(set DFPRegs:$dst, (load ADDRrr:$addr))]>;
332 def LDDFri : F3_2<3, 0b100011,
333 (outs DFPRegs:$dst), (ins MEMri:$addr),
335 [(set DFPRegs:$dst, (load ADDRri:$addr))]>;
337 // Section B.4 - Store Integer Instructions, p. 95
338 def STBrr : F3_1<3, 0b000101,
339 (outs), (ins MEMrr:$addr, IntRegs:$src),
341 [(truncstorei8 IntRegs:$src, ADDRrr:$addr)]>;
342 def STBri : F3_2<3, 0b000101,
343 (outs), (ins MEMri:$addr, IntRegs:$src),
345 [(truncstorei8 IntRegs:$src, ADDRri:$addr)]>;
346 def STHrr : F3_1<3, 0b000110,
347 (outs), (ins MEMrr:$addr, IntRegs:$src),
349 [(truncstorei16 IntRegs:$src, ADDRrr:$addr)]>;
350 def STHri : F3_2<3, 0b000110,
351 (outs), (ins MEMri:$addr, IntRegs:$src),
353 [(truncstorei16 IntRegs:$src, ADDRri:$addr)]>;
354 def STrr : F3_1<3, 0b000100,
355 (outs), (ins MEMrr:$addr, IntRegs:$src),
357 [(store IntRegs:$src, ADDRrr:$addr)]>;
358 def STri : F3_2<3, 0b000100,
359 (outs), (ins MEMri:$addr, IntRegs:$src),
361 [(store IntRegs:$src, ADDRri:$addr)]>;
363 // Section B.5 - Store Floating-point Instructions, p. 97
364 def STFrr : F3_1<3, 0b100100,
365 (outs), (ins MEMrr:$addr, FPRegs:$src),
367 [(store FPRegs:$src, ADDRrr:$addr)]>;
368 def STFri : F3_2<3, 0b100100,
369 (outs), (ins MEMri:$addr, FPRegs:$src),
371 [(store FPRegs:$src, ADDRri:$addr)]>;
372 def STDFrr : F3_1<3, 0b100111,
373 (outs), (ins MEMrr:$addr, DFPRegs:$src),
375 [(store DFPRegs:$src, ADDRrr:$addr)]>;
376 def STDFri : F3_2<3, 0b100111,
377 (outs), (ins MEMri:$addr, DFPRegs:$src),
379 [(store DFPRegs:$src, ADDRri:$addr)]>;
381 // Section B.9 - SETHI Instruction, p. 104
382 def SETHIi: F2_1<0b100,
383 (outs IntRegs:$dst), (ins i32imm:$src),
385 [(set IntRegs:$dst, SETHIimm:$src)]>;
387 // Section B.10 - NOP Instruction, p. 105
388 // (It's a special case of SETHI)
389 let rd = 0, imm22 = 0 in
390 def NOP : F2_1<0b100, (outs), (ins), "nop", []>;
392 // Section B.11 - Logical Instructions, p. 106
393 defm AND : F3_12<"and", 0b000001, and>;
395 def ANDNrr : F3_1<2, 0b000101,
396 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
398 [(set IntRegs:$dst, (and IntRegs:$b, (not IntRegs:$c)))]>;
399 def ANDNri : F3_2<2, 0b000101,
400 (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
401 "andn $b, $c, $dst", []>;
403 defm OR : F3_12<"or", 0b000010, or>;
405 def ORNrr : F3_1<2, 0b000110,
406 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
408 [(set IntRegs:$dst, (or IntRegs:$b, (not IntRegs:$c)))]>;
409 def ORNri : F3_2<2, 0b000110,
410 (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
411 "orn $b, $c, $dst", []>;
412 defm XOR : F3_12<"xor", 0b000011, xor>;
414 def XNORrr : F3_1<2, 0b000111,
415 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
417 [(set IntRegs:$dst, (not (xor IntRegs:$b, IntRegs:$c)))]>;
418 def XNORri : F3_2<2, 0b000111,
419 (outs IntRegs:$dst), (ins IntRegs:$b, i32imm:$c),
420 "xnor $b, $c, $dst", []>;
422 // Section B.12 - Shift Instructions, p. 107
423 defm SLL : F3_12<"sll", 0b100101, shl>;
424 defm SRL : F3_12<"srl", 0b100110, srl>;
425 defm SRA : F3_12<"sra", 0b100111, sra>;
427 // Section B.13 - Add Instructions, p. 108
428 defm ADD : F3_12<"add", 0b000000, add>;
430 // "LEA" forms of add (patterns to make tblgen happy)
431 def LEA_ADDri : F3_2<2, 0b000000,
432 (outs IntRegs:$dst), (ins MEMri:$addr),
433 "add ${addr:arith}, $dst",
434 [(set IntRegs:$dst, ADDRri:$addr)]>;
436 defm ADDCC : F3_12<"addcc", 0b010000, addc>;
437 defm ADDX : F3_12<"addx", 0b001000, adde>;
439 // Section B.15 - Subtract Instructions, p. 110
440 defm SUB : F3_12 <"sub" , 0b000100, sub>;
441 defm SUBX : F3_12 <"subx" , 0b001100, sube>;
442 defm SUBCC : F3_12 <"subcc", 0b010100, SPcmpicc>;
444 def SUBXCCrr: F3_1<2, 0b011100,
445 (outs IntRegs:$dst), (ins IntRegs:$b, IntRegs:$c),
446 "subxcc $b, $c, $dst", []>;
448 // Section B.18 - Multiply Instructions, p. 113
449 defm UMUL : F3_12np<"umul", 0b001010>;
450 defm SMUL : F3_12 <"smul", 0b001011, mul>;
453 // Section B.19 - Divide Instructions, p. 115
454 defm UDIV : F3_12np<"udiv", 0b001110>;
455 defm SDIV : F3_12np<"sdiv", 0b001111>;
457 // Section B.20 - SAVE and RESTORE, p. 117
458 defm SAVE : F3_12np<"save" , 0b111100>;
459 defm RESTORE : F3_12np<"restore", 0b111101>;
461 // Section B.21 - Branch on Integer Condition Codes Instructions, p. 119
463 // conditional branch class:
464 class BranchSP<bits<4> cc, dag ins, string asmstr, list<dag> pattern>
465 : F2_2<cc, 0b010, (outs), ins, asmstr, pattern> {
467 let isTerminator = 1;
468 let hasDelaySlot = 1;
472 def BA : BranchSP<0b1000, (ins brtarget:$dst),
476 // FIXME: the encoding for the JIT should look at the condition field.
477 def BCOND : BranchSP<0, (ins brtarget:$dst, CCOp:$cc),
479 [(SPbricc bb:$dst, imm:$cc)]>;
482 // Section B.22 - Branch on Floating-point Condition Codes Instructions, p. 121
484 // floating-point conditional branch class:
485 class FPBranchSP<bits<4> cc, dag ins, string asmstr, list<dag> pattern>
486 : F2_2<cc, 0b110, (outs), ins, asmstr, pattern> {
488 let isTerminator = 1;
489 let hasDelaySlot = 1;
492 // FIXME: the encoding for the JIT should look at the condition field.
493 def FBCOND : FPBranchSP<0, (ins brtarget:$dst, CCOp:$cc),
495 [(SPbrfcc bb:$dst, imm:$cc)]>;
498 // Section B.24 - Call and Link Instruction, p. 125
499 // This is the only Format 1 instruction
500 let Uses = [O0, O1, O2, O3, O4, O5],
501 hasDelaySlot = 1, isCall = 1,
502 Defs = [O0, O1, O2, O3, O4, O5, O7, G1, G2, G3, G4, G5, G6, G7,
503 D0, D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15] in {
504 def CALL : InstSP<(outs), (ins calltarget:$dst),
508 let Inst{29-0} = disp;
512 def JMPLrr : F3_1<2, 0b111000,
513 (outs), (ins MEMrr:$ptr),
515 [(call ADDRrr:$ptr)]>;
516 def JMPLri : F3_2<2, 0b111000,
517 (outs), (ins MEMri:$ptr),
519 [(call ADDRri:$ptr)]>;
522 // Section B.28 - Read State Register Instructions
523 def RDY : F3_1<2, 0b101000,
524 (outs IntRegs:$dst), (ins),
527 // Section B.29 - Write State Register Instructions
528 def WRYrr : F3_1<2, 0b110000,
529 (outs), (ins IntRegs:$b, IntRegs:$c),
530 "wr $b, $c, %y", []>;
531 def WRYri : F3_2<2, 0b110000,
532 (outs), (ins IntRegs:$b, i32imm:$c),
533 "wr $b, $c, %y", []>;
535 // Convert Integer to Floating-point Instructions, p. 141
536 def FITOS : F3_3<2, 0b110100, 0b011000100,
537 (outs FPRegs:$dst), (ins FPRegs:$src),
539 [(set FPRegs:$dst, (SPitof FPRegs:$src))]>;
540 def FITOD : F3_3<2, 0b110100, 0b011001000,
541 (outs DFPRegs:$dst), (ins FPRegs:$src),
543 [(set DFPRegs:$dst, (SPitof FPRegs:$src))]>;
545 // Convert Floating-point to Integer Instructions, p. 142
546 def FSTOI : F3_3<2, 0b110100, 0b011010001,
547 (outs FPRegs:$dst), (ins FPRegs:$src),
549 [(set FPRegs:$dst, (SPftoi FPRegs:$src))]>;
550 def FDTOI : F3_3<2, 0b110100, 0b011010010,
551 (outs FPRegs:$dst), (ins DFPRegs:$src),
553 [(set FPRegs:$dst, (SPftoi DFPRegs:$src))]>;
555 // Convert between Floating-point Formats Instructions, p. 143
556 def FSTOD : F3_3<2, 0b110100, 0b011001001,
557 (outs DFPRegs:$dst), (ins FPRegs:$src),
559 [(set DFPRegs:$dst, (fextend FPRegs:$src))]>;
560 def FDTOS : F3_3<2, 0b110100, 0b011000110,
561 (outs FPRegs:$dst), (ins DFPRegs:$src),
563 [(set FPRegs:$dst, (fround DFPRegs:$src))]>;
565 // Floating-point Move Instructions, p. 144
566 def FMOVS : F3_3<2, 0b110100, 0b000000001,
567 (outs FPRegs:$dst), (ins FPRegs:$src),
568 "fmovs $src, $dst", []>;
569 def FNEGS : F3_3<2, 0b110100, 0b000000101,
570 (outs FPRegs:$dst), (ins FPRegs:$src),
572 [(set FPRegs:$dst, (fneg FPRegs:$src))]>;
573 def FABSS : F3_3<2, 0b110100, 0b000001001,
574 (outs FPRegs:$dst), (ins FPRegs:$src),
576 [(set FPRegs:$dst, (fabs FPRegs:$src))]>;
579 // Floating-point Square Root Instructions, p.145
580 def FSQRTS : F3_3<2, 0b110100, 0b000101001,
581 (outs FPRegs:$dst), (ins FPRegs:$src),
583 [(set FPRegs:$dst, (fsqrt FPRegs:$src))]>;
584 def FSQRTD : F3_3<2, 0b110100, 0b000101010,
585 (outs DFPRegs:$dst), (ins DFPRegs:$src),
587 [(set DFPRegs:$dst, (fsqrt DFPRegs:$src))]>;
591 // Floating-point Add and Subtract Instructions, p. 146
592 def FADDS : F3_3<2, 0b110100, 0b001000001,
593 (outs FPRegs:$dst), (ins FPRegs:$src1, FPRegs:$src2),
594 "fadds $src1, $src2, $dst",
595 [(set FPRegs:$dst, (fadd FPRegs:$src1, FPRegs:$src2))]>;
596 def FADDD : F3_3<2, 0b110100, 0b001000010,
597 (outs DFPRegs:$dst), (ins DFPRegs:$src1, DFPRegs:$src2),
598 "faddd $src1, $src2, $dst",
599 [(set DFPRegs:$dst, (fadd DFPRegs:$src1, DFPRegs:$src2))]>;
600 def FSUBS : F3_3<2, 0b110100, 0b001000101,
601 (outs FPRegs:$dst), (ins FPRegs:$src1, FPRegs:$src2),
602 "fsubs $src1, $src2, $dst",
603 [(set FPRegs:$dst, (fsub FPRegs:$src1, FPRegs:$src2))]>;
604 def FSUBD : F3_3<2, 0b110100, 0b001000110,
605 (outs DFPRegs:$dst), (ins DFPRegs:$src1, DFPRegs:$src2),
606 "fsubd $src1, $src2, $dst",
607 [(set DFPRegs:$dst, (fsub DFPRegs:$src1, DFPRegs:$src2))]>;
609 // Floating-point Multiply and Divide Instructions, p. 147
610 def FMULS : F3_3<2, 0b110100, 0b001001001,
611 (outs FPRegs:$dst), (ins FPRegs:$src1, FPRegs:$src2),
612 "fmuls $src1, $src2, $dst",
613 [(set FPRegs:$dst, (fmul FPRegs:$src1, FPRegs:$src2))]>;
614 def FMULD : F3_3<2, 0b110100, 0b001001010,
615 (outs DFPRegs:$dst), (ins DFPRegs:$src1, DFPRegs:$src2),
616 "fmuld $src1, $src2, $dst",
617 [(set DFPRegs:$dst, (fmul DFPRegs:$src1, DFPRegs:$src2))]>;
618 def FSMULD : F3_3<2, 0b110100, 0b001101001,
619 (outs DFPRegs:$dst), (ins FPRegs:$src1, FPRegs:$src2),
620 "fsmuld $src1, $src2, $dst",
621 [(set DFPRegs:$dst, (fmul (fextend FPRegs:$src1),
622 (fextend FPRegs:$src2)))]>;
623 def FDIVS : F3_3<2, 0b110100, 0b001001101,
624 (outs FPRegs:$dst), (ins FPRegs:$src1, FPRegs:$src2),
625 "fdivs $src1, $src2, $dst",
626 [(set FPRegs:$dst, (fdiv FPRegs:$src1, FPRegs:$src2))]>;
627 def FDIVD : F3_3<2, 0b110100, 0b001001110,
628 (outs DFPRegs:$dst), (ins DFPRegs:$src1, DFPRegs:$src2),
629 "fdivd $src1, $src2, $dst",
630 [(set DFPRegs:$dst, (fdiv DFPRegs:$src1, DFPRegs:$src2))]>;
632 // Floating-point Compare Instructions, p. 148
633 // Note: the 2nd template arg is different for these guys.
634 // Note 2: the result of a FCMP is not available until the 2nd cycle
635 // after the instr is retired, but there is no interlock. This behavior
636 // is modelled with a forced noop after the instruction.
637 def FCMPS : F3_3<2, 0b110101, 0b001010001,
638 (outs), (ins FPRegs:$src1, FPRegs:$src2),
639 "fcmps $src1, $src2\n\tnop",
640 [(SPcmpfcc FPRegs:$src1, FPRegs:$src2)]>;
641 def FCMPD : F3_3<2, 0b110101, 0b001010010,
642 (outs), (ins DFPRegs:$src1, DFPRegs:$src2),
643 "fcmpd $src1, $src2\n\tnop",
644 [(SPcmpfcc DFPRegs:$src1, DFPRegs:$src2)]>;
647 //===----------------------------------------------------------------------===//
649 //===----------------------------------------------------------------------===//
651 // V9 Conditional Moves.
652 let Predicates = [HasV9], isTwoAddress = 1 in {
653 // Move Integer Register on Condition (MOVcc) p. 194 of the V9 manual.
654 // FIXME: Add instruction encodings for the JIT some day.
656 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, IntRegs:$F, CCOp:$cc),
657 "mov$cc %icc, $F, $dst",
659 (SPselecticc IntRegs:$F, IntRegs:$T, imm:$cc))]>;
661 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, i32imm:$F, CCOp:$cc),
662 "mov$cc %icc, $F, $dst",
664 (SPselecticc simm11:$F, IntRegs:$T, imm:$cc))]>;
667 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, IntRegs:$F, CCOp:$cc),
668 "mov$cc %fcc0, $F, $dst",
670 (SPselectfcc IntRegs:$F, IntRegs:$T, imm:$cc))]>;
672 : Pseudo<(outs IntRegs:$dst), (ins IntRegs:$T, i32imm:$F, CCOp:$cc),
673 "mov$cc %fcc0, $F, $dst",
675 (SPselectfcc simm11:$F, IntRegs:$T, imm:$cc))]>;
678 : Pseudo<(outs FPRegs:$dst), (ins FPRegs:$T, FPRegs:$F, CCOp:$cc),
679 "fmovs$cc %icc, $F, $dst",
681 (SPselecticc FPRegs:$F, FPRegs:$T, imm:$cc))]>;
683 : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$T, DFPRegs:$F, CCOp:$cc),
684 "fmovd$cc %icc, $F, $dst",
686 (SPselecticc DFPRegs:$F, DFPRegs:$T, imm:$cc))]>;
688 : Pseudo<(outs FPRegs:$dst), (ins FPRegs:$T, FPRegs:$F, CCOp:$cc),
689 "fmovs$cc %fcc0, $F, $dst",
691 (SPselectfcc FPRegs:$F, FPRegs:$T, imm:$cc))]>;
693 : Pseudo<(outs DFPRegs:$dst), (ins DFPRegs:$T, DFPRegs:$F, CCOp:$cc),
694 "fmovd$cc %fcc0, $F, $dst",
696 (SPselectfcc DFPRegs:$F, DFPRegs:$T, imm:$cc))]>;
700 // Floating-Point Move Instructions, p. 164 of the V9 manual.
701 let Predicates = [HasV9] in {
702 def FMOVD : F3_3<2, 0b110100, 0b000000010,
703 (outs DFPRegs:$dst), (ins DFPRegs:$src),
704 "fmovd $src, $dst", []>;
705 def FNEGD : F3_3<2, 0b110100, 0b000000110,
706 (outs DFPRegs:$dst), (ins DFPRegs:$src),
708 [(set DFPRegs:$dst, (fneg DFPRegs:$src))]>;
709 def FABSD : F3_3<2, 0b110100, 0b000001010,
710 (outs DFPRegs:$dst), (ins DFPRegs:$src),
712 [(set DFPRegs:$dst, (fabs DFPRegs:$src))]>;
715 // POPCrr - This does a ctpop of a 64-bit register. As such, we have to clear
716 // the top 32-bits before using it. To do this clearing, we use a SLLri X,0.
717 def POPCrr : F3_1<2, 0b101110,
718 (outs IntRegs:$dst), (ins IntRegs:$src),
719 "popc $src, $dst", []>, Requires<[HasV9]>;
720 def : Pat<(ctpop IntRegs:$src),
721 (POPCrr (SLLri IntRegs:$src, 0))>;
723 //===----------------------------------------------------------------------===//
724 // Non-Instruction Patterns
725 //===----------------------------------------------------------------------===//
728 def : Pat<(i32 simm13:$val),
729 (ORri G0, imm:$val)>;
730 // Arbitrary immediates.
731 def : Pat<(i32 imm:$val),
732 (ORri (SETHIi (HI22 imm:$val)), (LO10 imm:$val))>;
735 def : Pat<(subc IntRegs:$b, IntRegs:$c),
736 (SUBCCrr IntRegs:$b, IntRegs:$c)>;
737 def : Pat<(subc IntRegs:$b, simm13:$val),
738 (SUBCCri IntRegs:$b, imm:$val)>;
740 // Global addresses, constant pool entries
741 def : Pat<(SPhi tglobaladdr:$in), (SETHIi tglobaladdr:$in)>;
742 def : Pat<(SPlo tglobaladdr:$in), (ORri G0, tglobaladdr:$in)>;
743 def : Pat<(SPhi tconstpool:$in), (SETHIi tconstpool:$in)>;
744 def : Pat<(SPlo tconstpool:$in), (ORri G0, tconstpool:$in)>;
746 // Add reg, lo. This is used when taking the addr of a global/constpool entry.
747 def : Pat<(add IntRegs:$r, (SPlo tglobaladdr:$in)),
748 (ADDri IntRegs:$r, tglobaladdr:$in)>;
749 def : Pat<(add IntRegs:$r, (SPlo tconstpool:$in)),
750 (ADDri IntRegs:$r, tconstpool:$in)>;
753 def : Pat<(call tglobaladdr:$dst),
754 (CALL tglobaladdr:$dst)>;
755 def : Pat<(call texternalsym:$dst),
756 (CALL texternalsym:$dst)>;
758 def : Pat<(ret), (RETL)>;
760 // Map integer extload's to zextloads.
761 def : Pat<(i32 (extloadi1 ADDRrr:$src)), (LDUBrr ADDRrr:$src)>;
762 def : Pat<(i32 (extloadi1 ADDRri:$src)), (LDUBri ADDRri:$src)>;
763 def : Pat<(i32 (extloadi8 ADDRrr:$src)), (LDUBrr ADDRrr:$src)>;
764 def : Pat<(i32 (extloadi8 ADDRri:$src)), (LDUBri ADDRri:$src)>;
765 def : Pat<(i32 (extloadi16 ADDRrr:$src)), (LDUHrr ADDRrr:$src)>;
766 def : Pat<(i32 (extloadi16 ADDRri:$src)), (LDUHri ADDRri:$src)>;
768 // zextload bool -> zextload byte
769 def : Pat<(i32 (zextloadi1 ADDRrr:$src)), (LDUBrr ADDRrr:$src)>;
770 def : Pat<(i32 (zextloadi1 ADDRri:$src)), (LDUBri ADDRri:$src)>;
772 // truncstore bool -> truncstore byte.
773 def : Pat<(truncstorei1 IntRegs:$src, ADDRrr:$addr),
774 (STBrr ADDRrr:$addr, IntRegs:$src)>;
775 def : Pat<(truncstorei1 IntRegs:$src, ADDRri:$addr),
776 (STBri ADDRri:$addr, IntRegs:$src)>;