xref: /freebsd/contrib/llvm-project/llvm/lib/Target/MSP430/MSP430InstrInfo.td (revision 19261079b74319502c6ffa1249920079f0f69a72)
1//===-- MSP430InstrInfo.td - MSP430 Instruction defs -------*- 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 MSP430 instructions in TableGen format.
10//
11//===----------------------------------------------------------------------===//
12
13include "MSP430InstrFormats.td"
14
15//===----------------------------------------------------------------------===//
16// Type Constraints.
17//===----------------------------------------------------------------------===//
18class SDTCisI8<int OpNum> : SDTCisVT<OpNum, i8>;
19class SDTCisI16<int OpNum> : SDTCisVT<OpNum, i16>;
20
21//===----------------------------------------------------------------------===//
22// Type Profiles.
23//===----------------------------------------------------------------------===//
24def SDT_MSP430Call         : SDTypeProfile<0, -1, [SDTCisVT<0, iPTR>]>;
25def SDT_MSP430CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i16>,
26                                             SDTCisVT<1, i16>]>;
27def SDT_MSP430CallSeqEnd   : SDCallSeqEnd<[SDTCisVT<0, i16>, SDTCisVT<1, i16>]>;
28def SDT_MSP430Wrapper      : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
29                                                  SDTCisPtrTy<0>]>;
30def SDT_MSP430Cmp          : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
31def SDT_MSP430BrCC         : SDTypeProfile<0, 2, [SDTCisVT<0, OtherVT>,
32                                                  SDTCisVT<1, i8>]>;
33def SDT_MSP430SelectCC     : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>,
34                                                  SDTCisSameAs<1, 2>,
35                                                  SDTCisVT<3, i8>]>;
36def SDT_MSP430DAdd         : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
37                                                  SDTCisSameAs<0, 2>,
38                                                  SDTCisInt<0>]>;
39
40//===----------------------------------------------------------------------===//
41// MSP430 Specific Node Definitions.
42//===----------------------------------------------------------------------===//
43def MSP430retflag  : SDNode<"MSP430ISD::RET_FLAG", SDTNone,
44                       [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
45def MSP430retiflag : SDNode<"MSP430ISD::RETI_FLAG", SDTNone,
46                       [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
47
48def MSP430rra     : SDNode<"MSP430ISD::RRA", SDTIntUnaryOp, []>;
49def MSP430rla     : SDNode<"MSP430ISD::RLA", SDTIntUnaryOp, []>;
50def MSP430rrc     : SDNode<"MSP430ISD::RRC", SDTIntUnaryOp, []>;
51def MSP430rrcl    : SDNode<"MSP430ISD::RRCL", SDTIntUnaryOp, []>;
52
53def MSP430call    : SDNode<"MSP430ISD::CALL", SDT_MSP430Call,
54                     [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue, SDNPVariadic]>;
55def MSP430callseq_start :
56                 SDNode<"ISD::CALLSEQ_START", SDT_MSP430CallSeqStart,
57                        [SDNPHasChain, SDNPOutGlue]>;
58def MSP430callseq_end :
59                 SDNode<"ISD::CALLSEQ_END",   SDT_MSP430CallSeqEnd,
60                        [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
61def MSP430Wrapper : SDNode<"MSP430ISD::Wrapper", SDT_MSP430Wrapper>;
62def MSP430cmp     : SDNode<"MSP430ISD::CMP", SDT_MSP430Cmp, [SDNPOutGlue]>;
63def MSP430brcc    : SDNode<"MSP430ISD::BR_CC", SDT_MSP430BrCC,
64                            [SDNPHasChain, SDNPInGlue]>;
65def MSP430selectcc: SDNode<"MSP430ISD::SELECT_CC", SDT_MSP430SelectCC,
66                            [SDNPInGlue]>;
67def MSP430dadd    : SDNode<"MSP430ISD::DADD", SDT_MSP430DAdd, []>;
68
69//===----------------------------------------------------------------------===//
70// MSP430 Operand Definitions.
71//===----------------------------------------------------------------------===//
72
73def MemAsmOperand : AsmOperandClass {
74  let Name = "Mem";
75}
76
77// Address operands
78def memsrc : Operand<i16> {
79  let PrintMethod = "printSrcMemOperand";
80  let MIOperandInfo = (ops GR16, i16imm);
81  let ParserMatchClass = MemAsmOperand;
82  let EncoderMethod = "getMemOpValue";
83  let DecoderMethod = "DecodeMemOperand";
84}
85
86def memdst : Operand<i16> {
87  let PrintMethod = "printSrcMemOperand";
88  let MIOperandInfo = (ops GR16, i16imm);
89  let ParserMatchClass = MemAsmOperand;
90  let EncoderMethod = "getMemOpValue";
91  let DecoderMethod = "DecodeMemOperand";
92}
93
94def IndRegAsmOperand : AsmOperandClass {
95  let Name = "IndReg";
96  let RenderMethod = "addRegOperands";
97}
98
99def indreg : Operand<i16> {
100  let PrintMethod = "printIndRegOperand";
101  let MIOperandInfo = (ops GR16);
102  let ParserMatchClass = IndRegAsmOperand;
103  let DecoderMethod = "DecodeGR16RegisterClass";
104}
105
106def PostIndRegAsmOperand : AsmOperandClass {
107  let Name = "PostIndReg";
108  let RenderMethod = "addRegOperands";
109}
110
111def postreg : Operand<i16> {
112  let PrintMethod = "printPostIndRegOperand";
113  let MIOperandInfo = (ops GR16);
114  let ParserMatchClass = PostIndRegAsmOperand;
115  let DecoderMethod = "DecodeGR16RegisterClass";
116}
117
118// Short jump targets have OtherVT type and are printed as pcrel imm values.
119def jmptarget : Operand<OtherVT> {
120  let PrintMethod = "printPCRelImmOperand";
121  let EncoderMethod = "getPCRelImmOpValue";
122}
123
124// Operand for printing out a condition code.
125def cc : Operand<i8> {
126  let PrintMethod = "printCCOperand";
127  let EncoderMethod = "getCCOpValue";
128}
129
130def CGImmAsmOperand : AsmOperandClass {
131  let Name = "CGImm";
132  let RenderMethod = "addImmOperands";
133}
134
135def cg8imm : Operand<i8>,
136             ImmLeaf<i8, [{return Imm == 0 || Imm == 1 || Imm == 2 ||
137                                  Imm == 4 || Imm == 8 || Imm == -1;}]> {
138  let ParserMatchClass = CGImmAsmOperand;
139  let EncoderMethod = "getCGImmOpValue";
140  let DecoderMethod = "DecodeCGImm";
141}
142
143def cg16imm : Operand<i16>,
144              ImmLeaf<i16, [{return Imm == 0 || Imm == 1 || Imm == 2 ||
145                                    Imm == 4 || Imm == 8 || Imm == -1;}]> {
146  let ParserMatchClass = CGImmAsmOperand;
147  let EncoderMethod = "getCGImmOpValue";
148  let DecoderMethod = "DecodeCGImm";
149}
150
151//===----------------------------------------------------------------------===//
152// MSP430 Complex Pattern Definitions.
153//===----------------------------------------------------------------------===//
154
155def addr : ComplexPattern<iPTR, 2, "SelectAddr", [], []>;
156
157//===----------------------------------------------------------------------===//
158// Pattern Fragments
159def zextloadi16i8 : PatFrag<(ops node:$ptr), (i16 (zextloadi8 node:$ptr))>;
160def  extloadi16i8 : PatFrag<(ops node:$ptr), (i16 ( extloadi8 node:$ptr))>;
161def bic : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, (not node:$rhs))>;
162def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
163  return N->hasOneUse();
164}]>;
165//===----------------------------------------------------------------------===//
166// Instruction list..
167
168// ADJCALLSTACKDOWN/UP implicitly use/def SP because they may be expanded into
169// a stack adjustment and the codegen must know that they may modify the stack
170// pointer before prolog-epilog rewriting occurs.
171// Pessimistically assume ADJCALLSTACKDOWN / ADJCALLSTACKUP will become
172// sub / add which can clobber SR.
173let isCodeGenOnly = 1, Defs = [SP, SR], Uses = [SP] in {
174def ADJCALLSTACKDOWN : Pseudo<(outs), (ins i16imm:$amt1, i16imm:$amt2),
175                              "#ADJCALLSTACKDOWN $amt1 $amt2",
176                              [(MSP430callseq_start timm:$amt1, timm:$amt2)]>;
177def ADJCALLSTACKUP   : Pseudo<(outs), (ins i16imm:$amt1, i16imm:$amt2),
178                              "#ADJCALLSTACKUP $amt1 $amt2",
179                              [(MSP430callseq_end timm:$amt1, timm:$amt2)]>;
180}
181
182let isCodeGenOnly = 1, Defs = [SR], Uses = [SP] in {
183def ADDframe : Pseudo<(outs GR16:$dst), (ins i16imm:$base, i16imm:$offset),
184                      "# ADDframe PSEUDO", []>;
185}
186
187let isCodeGenOnly = 1, usesCustomInserter = 1 in {
188  let Uses = [SR] in {
189  def Select8  : Pseudo<(outs GR8:$dst), (ins GR8:$src, GR8:$src2, i8imm:$cc),
190                        "# Select8 PSEUDO",
191                        [(set GR8:$dst,
192                          (MSP430selectcc GR8:$src, GR8:$src2, imm:$cc))]>;
193  def Select16 : Pseudo<(outs GR16:$dst), (ins GR16:$src, GR16:$src2, i8imm:$cc),
194                        "# Select16 PSEUDO",
195                        [(set GR16:$dst,
196                          (MSP430selectcc GR16:$src, GR16:$src2, imm:$cc))]>;
197  }
198  let Defs = [SR] in {
199  def Shl8     : Pseudo<(outs GR8:$dst), (ins GR8:$src, GR8:$cnt),
200                        "# Shl8 PSEUDO",
201                        [(set GR8:$dst, (shl GR8:$src, GR8:$cnt))]>;
202  def Shl16    : Pseudo<(outs GR16:$dst), (ins GR16:$src, GR8:$cnt),
203                        "# Shl16 PSEUDO",
204                        [(set GR16:$dst, (shl GR16:$src, GR8:$cnt))]>;
205  def Sra8     : Pseudo<(outs GR8:$dst), (ins GR8:$src, GR8:$cnt),
206                        "# Sra8 PSEUDO",
207                        [(set GR8:$dst, (sra GR8:$src, GR8:$cnt))]>;
208  def Sra16    : Pseudo<(outs GR16:$dst), (ins GR16:$src, GR8:$cnt),
209                        "# Sra16 PSEUDO",
210                        [(set GR16:$dst, (sra GR16:$src, GR8:$cnt))]>;
211  def Srl8     : Pseudo<(outs GR8:$dst), (ins GR8:$src, GR8:$cnt),
212                        "# Srl8 PSEUDO",
213                        [(set GR8:$dst, (srl GR8:$src, GR8:$cnt))]>;
214  def Srl16    : Pseudo<(outs GR16:$dst), (ins GR16:$src, GR8:$cnt),
215                        "# Srl16 PSEUDO",
216                        [(set GR16:$dst, (srl GR16:$src, GR8:$cnt))]>;
217  def Rrcl8    : Pseudo<(outs GR8:$dst), (ins GR8:$src), "",
218                        [(set GR8:$dst, (MSP430rrcl GR8:$src))]>;
219  def Rrcl16   : Pseudo<(outs GR16:$dst), (ins GR16:$src), "",
220                        [(set GR16:$dst, (MSP430rrcl GR16:$src))]>;
221  }
222}
223
224//===----------------------------------------------------------------------===//
225//  Control Flow Instructions...
226//
227
228let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
229  def RET  : IForm16<0b0100, DstReg, SrcPostInc, 2,
230                     (outs), (ins), "ret",  [(MSP430retflag)]> {
231    let DecoderNamespace = "Delta";
232    let rs = 1;
233    let rd = 0;
234  }
235  def RETI : IIForm16<0b110, SrcReg, 2,
236                      (outs), (ins), "reti", [(MSP430retiflag)]> {
237    let rs = 0;
238  }
239}
240
241let isBranch = 1, isTerminator = 1 in {
242
243// FIXME: expand opcode & cond field for branches!
244
245// Direct branch
246let isBarrier = 1 in {
247  // Short branch
248  def JMP : CJForm<(outs), (ins jmptarget:$dst),
249                   "jmp\t$dst",
250                   [(br bb:$dst)]> {
251    let cond = 0b111;
252  }
253  let isIndirectBranch = 1, rd = 0 in {
254    // Long branches
255    def Bi  : I16ri<0b0100, (outs), (ins i16imm:$imm),
256                    "br\t$imm",
257                    [(brind tblockaddress:$imm)]>;
258    def Br  : I16rr<0b0100, (outs), (ins GR16:$rs),
259                    "br\t$rs",
260                    [(brind GR16:$rs)]>;
261    def Bm  : I16rm<0b0100, (outs), (ins memsrc:$src),
262                    "br\t$src",
263                    [(brind (load addr:$src))]>;
264  }
265}
266
267// Conditional branches
268let Uses = [SR] in
269  def JCC : CJForm<(outs), (ins jmptarget:$dst, cc:$cond),
270                   "j$cond\t$dst",
271                   [(MSP430brcc bb:$dst, imm:$cond)]>;
272} // isBranch, isTerminator
273
274//===----------------------------------------------------------------------===//
275//  Call Instructions...
276//
277// All calls clobber the non-callee saved registers. SPW is marked as
278// a use to prevent stack-pointer assignments that appear immediately
279// before calls from potentially appearing dead. Uses for argument
280// registers are added manually.
281let isCall = 1,
282    Defs = [R11, R12, R13, R14, R15, SR],
283    Uses = [SP] in {
284  def CALLi     : II16i<0b101,
285                        (outs), (ins i16imm:$imm),
286                        "call\t$imm", [(MSP430call imm:$imm)]>;
287  def CALLr     : II16r<0b101,
288                        (outs), (ins GR16:$rs),
289                        "call\t$rs", [(MSP430call GR16:$rs)]>;
290  def CALLm     : II16m<0b101,
291                        (outs), (ins memsrc:$src),
292                        "call\t$src", [(MSP430call (load addr:$src))]>;
293  def CALLn     : II16n<0b101, (outs), (ins indreg:$rs), "call\t$rs", []>;
294  def CALLp     : II16p<0b101, (outs), (ins postreg:$rs), "call\t$rs", []>;
295}
296
297//===----------------------------------------------------------------------===//
298//  Miscellaneous Instructions...
299//
300let Defs = [SP], Uses = [SP], hasSideEffects = 0 in {
301let mayLoad = 1 in
302def POP16r   : IForm16<0b0100, DstReg, SrcPostInc, 2,
303                       (outs GR16:$rd), (ins), "pop\t$rd", []> {
304  let DecoderNamespace = "Delta";
305  let rs = 1;
306}
307
308let mayStore = 1 in
309def PUSH8r :  II8r<0b100, (outs), (ins GR8:$rs), "push.b\t$rs", []>;
310def PUSH16r : II16r<0b100, (outs), (ins GR16:$rs), "push\t$rs", []>;
311def PUSH16c : II16c<0b100, (outs), (ins cg16imm:$imm), "push\t$imm", []>;
312def PUSH16i : II16i<0b100, (outs), (ins i16imm:$imm), "push\t$imm", []>;
313}
314
315//===----------------------------------------------------------------------===//
316// Move Instructions
317
318let hasSideEffects = 0 in {
319def MOV8rr  : I8rr<0b0100,
320                   (outs GR8:$rd), (ins GR8:$rs),
321                   "mov.b\t{$rs, $rd}",
322                   []>;
323def MOV16rr : I16rr<0b0100,
324                    (outs GR16:$rd), (ins GR16:$rs),
325                    "mov\t{$rs, $rd}",
326                    []>;
327}
328
329let isReMaterializable = 1, isAsCheapAsAMove = 1 in {
330def MOV8rc : I8rc<0b0100,
331                   (outs GR8:$rd), (ins cg8imm:$imm),
332                   "mov.b\t$imm, $rd",
333                   [(set GR8:$rd, cg8imm:$imm)]>;
334def MOV16rc : I16rc<0b0100,
335                    (outs GR16:$rd), (ins cg16imm:$imm),
336                    "mov\t$imm, $rd",
337                    [(set GR16:$rd, cg16imm:$imm)]>;
338def MOV8ri  : I8ri<0b0100,
339                   (outs GR8:$rd), (ins i8imm:$imm),
340                   "mov.b\t{$imm, $rd}",
341                   [(set GR8:$rd, imm:$imm)]>;
342def MOV16ri : I16ri<0b0100,
343                    (outs GR16:$rd), (ins i16imm:$imm),
344                    "mov\t{$imm, $rd}",
345                    [(set GR16:$rd, imm:$imm)]>;
346}
347
348let canFoldAsLoad = 1, isReMaterializable = 1 in {
349def MOV8rm  : I8rm<0b0100,
350                   (outs GR8:$rd), (ins memsrc:$src),
351                   "mov.b\t{$src, $rd}",
352                   [(set GR8:$rd, (load addr:$src))]>;
353def MOV16rm : I16rm<0b0100,
354                    (outs GR16:$rd), (ins memsrc:$src),
355                    "mov\t{$src, $rd}",
356                    [(set GR16:$rd, (load addr:$src))]>;
357def MOV8rn  : I8rn<0b0100,
358                   (outs GR8:$rd), (ins indreg:$rs),
359                   "mov.b\t{$rs, $rd}",
360                   [(set GR8:$rd, (load addr:$rs))]>;
361def MOV16rn : I16rn<0b0100,
362                    (outs GR16:$rd), (ins indreg:$rs),
363                    "mov\t{$rs, $rd}",
364                    [(set GR16:$rd, (load addr:$rs))]>;
365}
366
367let isCodeGenOnly = 1 in {
368def MOVZX16rr8 : I8rr<0b0100,
369                      (outs GR16:$rd), (ins GR8:$rs),
370                      "mov.b\t{$rs, $rd}",
371                      [(set GR16:$rd, (zext GR8:$rs))]>;
372def MOVZX16rm8 : I8rm<0b0100,
373                      (outs GR16:$rd), (ins memsrc:$src),
374                      "mov.b\t{$src, $rd}",
375                      [(set GR16:$rd, (zextloadi16i8 addr:$src))]>;
376}
377
378let mayLoad = 1, hasExtraDefRegAllocReq = 1, Constraints = "$rs = $wb" in {
379def MOV8rp  : I8rp<0b0100,
380                   (outs GR8:$rd, GR16:$wb), (ins postreg:$rs),
381                   "mov.b\t{$rs, $rd}", []>;
382def MOV16rp : I16rp<0b0100,
383                    (outs GR16:$rd, GR16:$wb), (ins postreg:$rs),
384                    "mov\t{$rs, $rd}", []>;
385}
386
387// Any instruction that defines a 8-bit result leaves the high half of the
388// register. Truncate can be lowered to EXTRACT_SUBREG, and CopyFromReg may
389// be copying from a truncate, but any other 8-bit operation will zero-extend
390// up to 16 bits.
391def def8 : PatLeaf<(i8 GR8:$src), [{
392  return N->getOpcode() != ISD::TRUNCATE &&
393         N->getOpcode() != TargetOpcode::EXTRACT_SUBREG &&
394         N->getOpcode() != ISD::CopyFromReg;
395}]>;
396
397// In the case of a 8-bit def that is known to implicitly zero-extend,
398// we can use a SUBREG_TO_REG.
399def : Pat<(i16 (zext def8:$src)),
400          (SUBREG_TO_REG (i16 0), GR8:$src, subreg_8bit)>;
401
402def MOV8mc  : I8mc<0b0100,
403                   (outs), (ins memdst:$dst, cg8imm:$imm),
404                   "mov.b\t{$imm, $dst}",
405                   [(store (i8 cg8imm:$imm), addr:$dst)]>;
406def MOV16mc : I16mc<0b0100,
407                    (outs), (ins memdst:$dst, cg16imm:$imm),
408                    "mov\t{$imm, $dst}",
409                    [(store (i16 cg16imm:$imm), addr:$dst)]>;
410
411def MOV8mi  : I8mi<0b0100,
412                   (outs), (ins memdst:$dst, i8imm:$imm),
413                   "mov.b\t{$imm, $dst}",
414                   [(store (i8 imm:$imm), addr:$dst)]>;
415def MOV16mi : I16mi<0b0100,
416                    (outs), (ins memdst:$dst, i16imm:$imm),
417                    "mov\t{$imm, $dst}",
418                    [(store (i16 imm:$imm), addr:$dst)]>;
419
420def MOV8mr  : I8mr<0b0100,
421                   (outs), (ins memdst:$dst, GR8:$rs),
422                   "mov.b\t{$rs, $dst}",
423                   [(store GR8:$rs, addr:$dst)]>;
424def MOV16mr : I16mr<0b0100,
425                    (outs), (ins memdst:$dst, GR16:$rs),
426                    "mov\t{$rs, $dst}",
427                    [(store GR16:$rs, addr:$dst)]>;
428
429def MOV8mm  : I8mm<0b0100,
430                   (outs), (ins memdst:$dst, memsrc:$src),
431                   "mov.b\t{$src, $dst}",
432                   [(store (i8 (load addr:$src)), addr:$dst)]>;
433def MOV16mm : I16mm<0b0100,
434                    (outs), (ins memdst:$dst, memsrc:$src),
435                    "mov\t{$src, $dst}",
436                    [(store (i16 (load addr:$src)), addr:$dst)]>;
437
438def MOV8mn  : I8mn<0b0100, (outs), (ins memdst:$dst, indreg:$rs),
439                   "mov.b\t{$rs, $dst}", []>;
440def MOV16mn : I16mn<0b0100, (outs), (ins memdst:$dst, indreg:$rs),
441                    "mov\t{$rs, $dst}", []>;
442
443//===----------------------------------------------------------------------===//
444// Arithmetic Instructions
445
446multiclass Arith<bits<4> opcode, string asmstring, SDNode node,
447                 bit commutes, list<Register> uses> {
448  let Defs = [SR], Uses = uses in {
449  let Constraints = "$src2 = $rd" in {
450  let isCommutable = commutes in {
451  def 8rr : I8rr<opcode, (outs GR8:$rd), (ins GR8:$src2, GR8:$rs),
452                 !strconcat(asmstring, ".b\t$rs, $rd"),
453                 [(set GR8:$rd, (node GR8:$src2, GR8:$rs)),
454                  (implicit SR)]>;
455  def 16rr : I16rr<opcode, (outs GR16:$rd), (ins GR16:$src2, GR16:$rs),
456                   !strconcat(asmstring, "\t$rs, $rd"),
457                   [(set GR16:$rd, (node GR16:$src2, GR16:$rs)),
458                    (implicit SR)]>;
459  }
460  def 8rm : I8rm<opcode, (outs GR8:$rd), (ins GR8:$src2, memsrc:$src),
461                 !strconcat(asmstring, ".b\t$src, $rd"),
462                 [(set GR8:$rd, (node GR8:$src2, (load addr:$src))),
463                  (implicit SR)]>;
464  def 16rm : I16rm<opcode, (outs GR16:$rd), (ins GR16:$src2, memsrc:$src),
465                   !strconcat(asmstring, "\t$src, $rd"),
466                   [(set GR16:$rd, (node GR16:$src2, (load addr:$src))),
467                    (implicit SR)]>;
468  def 8rn : I8rn<opcode, (outs GR8:$rd), (ins GR8:$src2, indreg:$rs),
469                 !strconcat(asmstring, ".b\t$rs, $rd"), []>;
470  def 16rn : I16rn<opcode, (outs GR16:$rd), (ins GR16:$src2, indreg:$rs),
471                   !strconcat(asmstring, "\t$rs, $rd"), []>;
472  let mayLoad = 1,
473      hasExtraDefRegAllocReq = 1,
474      Constraints = "$rs = $wb, $src2 = $rd" in {
475  def 8rp : I8rp<opcode, (outs GR8:$rd, GR16:$wb), (ins GR8:$src2, postreg:$rs),
476                 !strconcat(asmstring, ".b\t$rs, $rd"), []>;
477  def 16rp : I16rp<opcode, (outs GR16:$rd, GR16:$wb), (ins GR16:$src2, postreg:$rs),
478                   !strconcat(asmstring, "\t$rs, $rd"), []>;
479  }
480  def 8rc : I8rc<opcode, (outs GR8:$rd), (ins GR8:$src2, cg8imm:$imm),
481                 !strconcat(asmstring, ".b\t$imm, $rd"),
482                 [(set GR8:$rd, (node GR8:$src2, cg8imm:$imm)),
483                  (implicit SR)]>;
484  def 16rc : I16rc<opcode, (outs GR16:$rd), (ins GR16:$src2, cg16imm:$imm),
485                 !strconcat(asmstring, "\t$imm, $rd"),
486                 [(set GR16:$rd, (node GR16:$src2, cg16imm:$imm)),
487                  (implicit SR)]>;
488  def 8ri : I8ri<opcode, (outs GR8:$rd), (ins GR8:$src2, i8imm:$imm),
489                 !strconcat(asmstring, ".b\t$imm, $rd"),
490                 [(set GR8:$rd, (node GR8:$src2, imm:$imm)),
491                  (implicit SR)]>;
492  def 16ri : I16ri<opcode, (outs GR16:$rd), (ins GR16:$src2, i16imm:$imm),
493                 !strconcat(asmstring, "\t$imm, $rd"),
494                 [(set GR16:$rd, (node GR16:$src2, imm:$imm)),
495                  (implicit SR)]>;
496  }
497  def 8mr : I8mr<opcode, (outs), (ins memdst:$dst, GR8:$rs),
498                 !strconcat(asmstring, ".b\t$rs, $dst"),
499                 [(store (node (load addr:$dst), GR8:$rs), addr:$dst),
500                  (implicit SR)]>;
501  def 16mr : I16mr<opcode, (outs), (ins memdst:$dst, GR16:$rs),
502                   !strconcat(asmstring, "\t$rs, $dst"),
503                   [(store (node (load addr:$dst), GR16:$rs), addr:$dst),
504                    (implicit SR)]>;
505  def 8mc : I8mc<opcode, (outs), (ins memdst:$dst, cg8imm:$imm),
506                 !strconcat(asmstring, ".b\t$imm, $dst"),
507                 [(store (node (load addr:$dst), (i8 cg8imm:$imm)), addr:$dst),
508                  (implicit SR)]>;
509  def 16mc : I16mc<opcode, (outs), (ins memdst:$dst, cg16imm:$imm),
510                   !strconcat(asmstring, "\t$imm, $dst"),
511                   [(store (node (load addr:$dst), (i16 cg16imm:$imm)), addr:$dst),
512                    (implicit SR)]>;
513  def 8mi : I8mi<opcode, (outs), (ins memdst:$dst, i8imm:$imm),
514                 !strconcat(asmstring, ".b\t$imm, $dst"),
515                 [(store (node (load addr:$dst), (i8 imm:$imm)), addr:$dst),
516                  (implicit SR)]>;
517  def 16mi : I16mi<opcode, (outs), (ins memdst:$dst, i16imm:$imm),
518                   !strconcat(asmstring, "\t$imm, $dst"),
519                   [(store (node (load addr:$dst), (i16 imm:$imm)), addr:$dst),
520                    (implicit SR)]>;
521  def 8mm : I8mm<opcode, (outs), (ins memdst:$dst, memsrc:$src),
522                 !strconcat(asmstring, ".b\t$src, $dst"),
523                 [(store (node (load addr:$dst),
524                               (i8 (load addr:$src))), addr:$dst),
525                  (implicit SR)]>;
526  def 16mm : I16mm<opcode, (outs), (ins memdst:$dst, memsrc:$src),
527                   !strconcat(asmstring, "\t$src, $dst"),
528                   [(store (node (load addr:$dst),
529                                 (i16 (load addr:$src))), addr:$dst),
530                    (implicit SR)]>;
531  def 8mn : I8mn<opcode, (outs), (ins memdst:$dst, indreg:$rs),
532                 !strconcat(asmstring, ".b\t$rs, $dst"), []>;
533  def 16mn : I16mn<opcode, (outs), (ins memdst:$dst, indreg:$rs),
534                   !strconcat(asmstring, "\t$rs, $dst"), []>;
535  def 8mp : I8mp<opcode, (outs), (ins memdst:$dst, postreg:$rs),
536                 !strconcat(asmstring, ".b\t$rs, $dst"), []>;
537  def 16mp : I16mp<opcode, (outs), (ins memdst:$dst, postreg:$rs),
538                   !strconcat(asmstring, "\t$rs, $dst"), []>;
539  }
540}
541
542defm ADD  : Arith<0b0101, "add",  add,  1, []>;
543defm ADDC : Arith<0b0110, "addc", adde, 1, [SR]>;
544defm AND  : Arith<0b1111, "and",  and,  1, []>;
545defm BIS  : Arith<0b1101, "bis",  or,   1, []>;
546defm BIC  : Arith<0b1100, "bic",  bic,  0, []>;
547defm XOR  : Arith<0b1110, "xor",  xor,  1, []>;
548defm SUB  : Arith<0b1000, "sub",  sub,  0, []>;
549defm SUBC : Arith<0b0111, "subc", sube, 0, [SR]>;
550defm DADD : Arith<0b1010, "dadd", MSP430dadd, 1, [SR]>;
551
552def ADC8r   : InstAlias<"adc.b\t$dst",  (ADDC8rc   GR8:$dst,     0)>;
553def ADC16r  : InstAlias<"adc\t$dst",    (ADDC16rc  GR16:$dst,    0)>;
554def ADC8m   : InstAlias<"adc.b\t$dst",  (ADDC8mc   memdst:$dst,  0)>;
555def ADC16m  : InstAlias<"adc\t$dst",    (ADDC16mc  memdst:$dst,  0)>;
556
557def DADC8r  : InstAlias<"dadc.b\t$dst", (DADD8rc   GR8:$dst,     0)>;
558def DADC16r : InstAlias<"dadc\t$dst",   (DADD16rc  GR16:$dst,    0)>;
559def DADC8m  : InstAlias<"dadc.b\t$dst", (DADD8mc   memdst:$dst,  0)>;
560def DADC16m : InstAlias<"dadc\t$dst",   (DADD16mc  memdst:$dst,  0)>;
561
562def DEC8r   : InstAlias<"dec.b\t$dst",  (SUB8rc    GR8:$dst,     1)>;
563def DEC16r  : InstAlias<"dec\t$dst",    (SUB16rc   GR16:$dst,    1)>;
564def DEC8m   : InstAlias<"dec.b\t$dst",  (SUB8mc    memdst:$dst,  1)>;
565def DEC16m  : InstAlias<"dec\t$dst",    (SUB16mc   memdst:$dst,  1)>;
566
567def DECD8r  : InstAlias<"decd.b\t$dst", (SUB8rc    GR8:$dst,     2)>;
568def DECD16r : InstAlias<"decd\t$dst",   (SUB16rc   GR16:$dst,    2)>;
569def DECD8m  : InstAlias<"decd.b\t$dst", (SUB8mc    memdst:$dst,  2)>;
570def DECD16m : InstAlias<"decd\t$dst",   (SUB16mc   memdst:$dst,  2)>;
571
572def INC8r   : InstAlias<"inc.b\t$dst",  (ADD8rc    GR8:$dst,     1)>;
573def INC16r  : InstAlias<"inc\t$dst",    (ADD16rc   GR16:$dst,    1)>;
574def INC8m   : InstAlias<"inc.b\t$dst",  (ADD8mc    memdst:$dst,  1)>;
575def INC16m  : InstAlias<"inc\t$dst",    (ADD16mc   memdst:$dst,  1)>;
576
577def INCD8r  : InstAlias<"incd.b\t$dst", (ADD8rc    GR8:$dst,     2)>;
578def INCD16r : InstAlias<"incd\t$dst",   (ADD16rc   GR16:$dst,    2)>;
579def INCD8m  : InstAlias<"incd.b\t$dst", (ADD8mc    memdst:$dst,  2)>;
580def INCD16m : InstAlias<"incd\t$dst",   (ADD16mc   memdst:$dst,  2)>;
581
582def SBC8r   : InstAlias<"sbc.b\t$dst",  (SUBC8rc   GR8:$dst,     0)>;
583def SBC16r  : InstAlias<"sbc\t$dst",    (SUBC16rc  GR16:$dst,    0)>;
584def SBC8m   : InstAlias<"sbc.b\t$dst",  (SUBC8mc   memdst:$dst,  0)>;
585def SBC16m  : InstAlias<"sbc\t$dst",    (SUBC16mc  memdst:$dst,  0)>;
586
587def INV8r   : InstAlias<"inv.b\t$dst",  (XOR8rc    GR8:$dst,    -1)>;
588def INV16r  : InstAlias<"inv\t$dst",    (XOR16rc   GR16:$dst,   -1)>;
589def INV8m   : InstAlias<"inv.b\t$dst",  (XOR8mc    memdst:$dst, -1)>;
590def INV16m  : InstAlias<"inv\t$dst",    (XOR16mc   memdst:$dst, -1)>;
591
592// printAliasInstr() doesn't check $dst operands are actually equal
593// for RLA and RLC aliases below, so disable printing aliases.
594
595def RLA8r   : InstAlias<"rla.b\t$dst",  (ADD8rr    GR8:$dst,     GR8:$dst),    0>;
596def RLA16r  : InstAlias<"rla\t$dst",    (ADD16rr   GR16:$dst,    GR16:$dst),   0>;
597def RLA8m   : InstAlias<"rla.b\t$dst",  (ADD8mm    memdst:$dst,  memdst:$dst), 0>;
598def RLA16m  : InstAlias<"rla\t$dst",    (ADD16mm   memdst:$dst,  memdst:$dst), 0>;
599
600def RLC8r   : InstAlias<"rlc.b\t$dst",  (ADDC8rr   GR8:$dst,     GR8:$dst),    0>;
601def RLC16r  : InstAlias<"rlc\t$dst",    (ADDC16rr  GR16:$dst,    GR16:$dst),   0>;
602def RLC8m   : InstAlias<"rlc.b\t$dst",  (ADDC8mm   memdst:$dst,  memdst:$dst), 0>;
603def RLC16m  : InstAlias<"rlc\t$dst",    (ADDC16mm  memdst:$dst,  memdst:$dst), 0>;
604
605def DINT : InstAlias<"dint", (BIC16rc SR, 8)>;
606def EINT : InstAlias<"eint", (BIS16rc SR, 8)>;
607
608def NOP  : InstAlias<"nop",  (MOV16rc CG, 0)>;
609
610def CLR8r   : InstAlias<"clr.b\t$dst",  (MOV8rc    GR8:$dst,     0)>;
611def CLR16r  : InstAlias<"clr\t$dst",    (MOV16rc   GR16:$dst,    0)>;
612def CLR8m   : InstAlias<"clr.b\t$dst",  (MOV8mc    memdst:$dst,  0)>;
613def CLR16m  : InstAlias<"clr\t$dst",    (MOV16mc   memdst:$dst,  0)>;
614
615def CLRC : InstAlias<"clrc", (BIC16rc SR, 1)>;
616def CLRN : InstAlias<"clrn", (BIC16rc SR, 4)>;
617def CLRZ : InstAlias<"clrz", (BIC16rc SR, 2)>;
618def SETC : InstAlias<"setc", (BIS16rc SR, 1)>;
619def SETN : InstAlias<"setn", (BIS16rc SR, 4)>;
620def SETZ : InstAlias<"setz", (BIS16rc SR, 2)>;
621
622def : Pat<(MSP430rla GR8:$dst),  (ADD8rr  $dst, $dst)>;
623def : Pat<(MSP430rla GR16:$dst), (ADD16rr $dst, $dst)>;
624
625// Format-II (Single Operand) Instruction
626// Register mode
627let Constraints = "$rs = $rd" in {
628
629let Defs = [SR] in {
630def RRA8r :   II8r<0b010,
631                   (outs GR8:$rd), (ins GR8:$rs),
632                   "rra.b\t$rd",
633                   [(set GR8:$rd, (MSP430rra GR8:$rs)),
634                    (implicit SR)]>;
635def RRA16r : II16r<0b010,
636                    (outs GR16:$rd), (ins GR16:$rs),
637                    "rra\t$rd",
638                    [(set GR16:$rd, (MSP430rra GR16:$rs)),
639                     (implicit SR)]>;
640
641let Uses = [SR] in {
642def RRC8r :   II8r<0b000,
643                   (outs GR8:$rd), (ins GR8:$rs),
644                   "rrc.b\t$rd",
645                   [(set GR8:$rd, (MSP430rrc GR8:$rs)),
646                    (implicit SR)]>;
647def RRC16r : II16r<0b000,
648                   (outs GR16:$rd), (ins GR16:$rs),
649                   "rrc\t$rd",
650                   [(set GR16:$rd, (MSP430rrc GR16:$rs)),
651                    (implicit SR)]>;
652} // Uses = [SR]
653
654def SEXT16r : II16r<0b011,
655                    (outs GR16:$rd), (ins GR16:$rs),
656                    "sxt\t$rd",
657                    [(set GR16:$rd, (sext_inreg GR16:$rs, i8)),
658                     (implicit SR)]>;
659
660} // Defs = [SR]
661
662let isCodeGenOnly = 1 in
663def ZEXT16r : I8rr<0b0100,
664                   (outs GR16:$rd), (ins GR16:$rs),
665                   "mov.b\t{$rs, $rd}",
666                   [(set GR16:$rd, (zext (trunc GR16:$rs)))]>;
667
668def SWPB16r : II16r<0b001,
669                    (outs GR16:$rd), (ins GR16:$rs),
670                    "swpb\t$rd",
671                    [(set GR16:$rd, (bswap GR16:$rs))]>;
672
673} // Constraints = "$src = $dst"
674
675// Indexed, indirect register and indirect autoincrement modes
676let Defs = [SR] in {
677def RRA8m  : II8m<0b010,
678                   (outs), (ins memsrc:$src),
679                   "rra.b\t$src",
680                   [(store (MSP430rra (i8 (load addr:$src))), addr:$src),
681                    (implicit SR)]>;
682def RRA16m : II16m<0b010,
683                   (outs), (ins memsrc:$src),
684                   "rra\t$src",
685                   [(store (MSP430rra (i16 (load addr:$src))), addr:$src),
686                    (implicit SR)]>;
687
688def RRA8n  : II8n<0b010, (outs), (ins indreg:$rs), "rra.b\t$rs", []>;
689def RRA16n : II16n<0b010, (outs), (ins indreg:$rs), "rra\t$rs", []>;
690def RRA8p  : II8p<0b010, (outs), (ins postreg:$rs), "rra.b\t$rs", []>;
691def RRA16p : II16p<0b010, (outs), (ins postreg:$rs), "rra\t$rs", []>;
692
693let Uses = [SR] in {
694def RRC8m  : II8m<0b000,
695                   (outs), (ins memsrc:$src),
696                   "rrc.b\t$src",
697                   [(store (MSP430rrc (i8 (load addr:$src))), addr:$src),
698                    (implicit SR)]>;
699def RRC16m : II16m<0b000,
700                   (outs), (ins memsrc:$src),
701                   "rrc\t$src",
702                   [(store (MSP430rrc (i16 (load addr:$src))), addr:$src),
703                    (implicit SR)]>;
704
705def RRC8n  : II8n<0b000, (outs), (ins indreg:$rs), "rrc.b\t$rs", []>;
706def RRC16n : II16n<0b000, (outs), (ins indreg:$rs), "rrc\t$rs", []>;
707def RRC8p  : II8p<0b000, (outs), (ins postreg:$rs), "rrc.b\t$rs", []>;
708def RRC16p : II16p<0b000, (outs), (ins postreg:$rs), "rrc\t$rs", []>;
709
710} // Uses = [SR]
711
712def SEXT16m : II16m<0b011,
713                    (outs), (ins memsrc:$src),
714                    "sxt\t$src",
715                    [(store (sext_inreg (extloadi16i8 addr:$src), i8),
716                             addr:$src),
717                     (implicit SR)]>;
718def SEXT16n : II16n<0b011, (outs), (ins indreg:$rs), "sxt\t$rs", []>;
719def SEXT16p : II16p<0b011, (outs), (ins postreg:$rs), "sxt\t$rs", []>;
720
721} // Defs = [SR]
722
723def SWPB16m : II16m<0b001,
724                   (outs), (ins memsrc:$src),
725                   "swpb\t$src",
726                   [(store (bswap (i16 (load addr:$src))), addr:$src)]>;
727def SWPB16n : II16n<0b001, (outs), (ins indreg:$rs), "swpb\t$rs", []>;
728def SWPB16p : II16p<0b001, (outs), (ins postreg:$rs), "swpb\t$rs", []>;
729
730// Integer comparisons
731let Defs = [SR] in {
732def CMP8rr  : I8rr<0b1001,
733                   (outs), (ins GR8:$rd, GR8:$rs),
734                   "cmp.b\t$rs, $rd",
735                   [(MSP430cmp GR8:$rd, GR8:$rs), (implicit SR)]>;
736def CMP16rr : I16rr<0b1001,
737                    (outs), (ins GR16:$rd, GR16:$rs),
738                    "cmp\t$rs, $rd",
739                    [(MSP430cmp GR16:$rd, GR16:$rs), (implicit SR)]>;
740
741def CMP8rc  : I8rc<0b1001,
742                   (outs), (ins GR8:$rd, cg8imm:$imm),
743                   "cmp.b\t$imm, $rd",
744                   [(MSP430cmp GR8:$rd, cg8imm:$imm), (implicit SR)]>;
745def CMP16rc : I16rc<0b1001,
746                    (outs), (ins GR16:$rd, cg16imm:$imm),
747                    "cmp\t$imm, $rd",
748                    [(MSP430cmp GR16:$rd, cg16imm:$imm), (implicit SR)]>;
749
750def CMP8ri  : I8ri<0b1001,
751                   (outs), (ins GR8:$rd, i8imm:$imm),
752                   "cmp.b\t$imm, $rd",
753                   [(MSP430cmp GR8:$rd, imm:$imm), (implicit SR)]>;
754def CMP16ri : I16ri<0b1001,
755                    (outs), (ins GR16:$rd, i16imm:$imm),
756                    "cmp\t$imm, $rd",
757                    [(MSP430cmp GR16:$rd, imm:$imm), (implicit SR)]>;
758
759def CMP8mc  : I8mc<0b1001,
760                   (outs), (ins memsrc:$dst, cg8imm:$imm),
761                   "cmp.b\t$imm, $dst",
762                   [(MSP430cmp (load addr:$dst), (i8 cg8imm:$imm)),
763                    (implicit SR)]>;
764def CMP16mc : I16mc<0b1001,
765                    (outs), (ins memsrc:$dst, cg16imm:$imm),
766                    "cmp\t$imm, $dst",
767                    [(MSP430cmp (load addr:$dst), (i16 cg16imm:$imm)),
768                     (implicit SR)]>;
769
770def CMP8mi  : I8mi<0b1001,
771                   (outs), (ins memsrc:$dst, i8imm:$imm),
772                   "cmp.b\t$imm, $dst",
773                   [(MSP430cmp (load addr:$dst),
774                               (i8 imm:$imm)), (implicit SR)]>;
775def CMP16mi : I16mi<0b1001,
776                    (outs), (ins memsrc:$dst, i16imm:$imm),
777                    "cmp\t$imm, $dst",
778                     [(MSP430cmp (load addr:$dst),
779                                 (i16 imm:$imm)), (implicit SR)]>;
780
781def CMP8rm  : I8rm<0b1001,
782                   (outs), (ins GR8:$rd, memsrc:$src),
783                   "cmp.b\t$src, $rd",
784                   [(MSP430cmp GR8:$rd, (load addr:$src)),
785                    (implicit SR)]>;
786def CMP16rm : I16rm<0b1001,
787                    (outs), (ins GR16:$rd, memsrc:$src),
788                    "cmp\t$src, $rd",
789                    [(MSP430cmp GR16:$rd, (load addr:$src)),
790                     (implicit SR)]>;
791
792def CMP8rn  : I8rn<0b1001,
793                   (outs), (ins GR8:$rd, indreg:$rs), "cmp.b\t$rs, $rd", []>;
794def CMP16rn : I16rn<0b1001,
795                    (outs), (ins GR16:$rd, indreg:$rs), "cmp\t$rs, $rd", []>;
796
797def CMP8rp  : I8rp<0b1001,
798                   (outs), (ins GR8:$rd, postreg:$rs), "cmp.b\t$rs, $rd", []>;
799def CMP16rp : I16rp<0b1001,
800                    (outs), (ins GR16:$rd, postreg:$rs), "cmp\t$rs, $rd", []>;
801
802def CMP8mr  : I8mr<0b1001,
803                   (outs), (ins memsrc:$dst, GR8:$rs),
804                   "cmp.b\t$rs, $dst",
805                   [(MSP430cmp (load addr:$dst), GR8:$rs),
806                    (implicit SR)]>;
807def CMP16mr : I16mr<0b1001,
808                    (outs), (ins memsrc:$dst, GR16:$rs),
809                    "cmp\t$rs, $dst",
810                    [(MSP430cmp (load addr:$dst), GR16:$rs),
811                     (implicit SR)]>;
812def CMP8mm  : I8mm<0b1001,
813                   (outs), (ins memdst:$dst, memsrc:$src),
814                   "cmp.b\t$src, $dst",
815                   [(MSP430cmp (load addr:$dst), (i8 (load addr:$src))),
816                    (implicit SR)]>;
817def CMP16mm : I16mm<0b1001, (outs), (ins memdst:$dst, memsrc:$src),
818                    "cmp\t$src, $dst",
819                    [(MSP430cmp (load addr:$dst), (i16 (load addr:$src))),
820                     (implicit SR)]>;
821
822def CMP8mn  : I8mn<0b1001, (outs), (ins memsrc:$dst, indreg:$rs),
823                   "cmp.b\t$rs, $dst", []>;
824def CMP16mn : I16mn<0b1001, (outs), (ins memsrc:$dst, indreg:$rs),
825                    "cmp\t$rs, $dst", []>;
826
827def CMP8mp  : I8mp<0b1001, (outs), (ins memsrc:$dst, postreg:$rs),
828                   "cmp.b\t$rs, $dst", []>;
829def CMP16mp : I16mp<0b1001, (outs), (ins memsrc:$dst, postreg:$rs),
830                    "cmp\t$rs, $dst", []>;
831
832// BIT TESTS, just sets condition codes
833// Note that the C condition is set differently than when using CMP.
834let isCommutable = 1 in {
835def BIT8rr  : I8rr<0b1011,
836                   (outs), (ins GR8:$rd, GR8:$rs),
837                   "bit.b\t$rs, $rd",
838                   [(MSP430cmp (and_su GR8:$rd, GR8:$rs), 0),
839                    (implicit SR)]>;
840def BIT16rr : I16rr<0b1011,
841                    (outs), (ins GR16:$rd, GR16:$rs),
842                    "bit\t$rs, $rd",
843                    [(MSP430cmp (and_su GR16:$rd, GR16:$rs), 0),
844                     (implicit SR)]>;
845}
846def BIT8rc  : I8rc<0b1011,
847                   (outs), (ins GR8:$rd, cg8imm:$imm),
848                   "bit.b\t$imm, $rd",
849                   [(MSP430cmp (and_su GR8:$rd, cg8imm:$imm), 0),
850                    (implicit SR)]>;
851def BIT16rc : I16rc<0b1011,
852                    (outs), (ins GR16:$rd, cg16imm:$imm),
853                    "bit\t$imm, $rd",
854                    [(MSP430cmp (and_su GR16:$rd, cg16imm:$imm), 0),
855                     (implicit SR)]>;
856
857def BIT8ri  : I8ri<0b1011,
858                   (outs), (ins GR8:$rd, i8imm:$imm),
859                   "bit.b\t$imm, $rd",
860                   [(MSP430cmp (and_su GR8:$rd, imm:$imm), 0),
861                    (implicit SR)]>;
862def BIT16ri : I16ri<0b1011,
863                    (outs), (ins GR16:$rd, i16imm:$imm),
864                    "bit\t$imm, $rd",
865                    [(MSP430cmp (and_su GR16:$rd, imm:$imm), 0),
866                     (implicit SR)]>;
867
868def BIT8rm  : I8rm<0b1011,
869                   (outs), (ins GR8:$rd, memdst:$src),
870                   "bit.b\t$src, $rd",
871                   [(MSP430cmp (and_su GR8:$rd,  (load addr:$src)), 0),
872                    (implicit SR)]>;
873def BIT16rm : I16rm<0b1011,
874                    (outs), (ins GR16:$rd, memdst:$src),
875                    "bit\t$src, $rd",
876                    [(MSP430cmp (and_su GR16:$rd,  (load addr:$src)), 0),
877                     (implicit SR)]>;
878
879def BIT8rn  : I8rn<0b1011, (outs), (ins GR8:$rd, indreg:$rs),
880                   "bit.b\t$rs, $rd", []>;
881def BIT16rn : I16rn<0b1011, (outs), (ins GR16:$rd, indreg:$rs),
882                    "bit\t$rs, $rd", []>;
883
884def BIT8rp  : I8rp<0b1011, (outs), (ins GR8:$rd, postreg:$rs),
885                   "bit.b\t$rs, $rd", []>;
886def BIT16rp : I16rp<0b1011, (outs), (ins GR16:$rd, postreg:$rs),
887                    "bit\t$rs, $rd", []>;
888
889def BIT8mr  : I8mr<0b1011,
890                  (outs), (ins memsrc:$dst, GR8:$rs),
891                  "bit.b\t$rs, $dst",
892                  [(MSP430cmp (and_su (load addr:$dst), GR8:$rs), 0),
893                   (implicit SR)]>;
894def BIT16mr : I16mr<0b1011,
895                    (outs), (ins memsrc:$dst, GR16:$rs),
896                    "bit\t$rs, $dst",
897                    [(MSP430cmp (and_su (load addr:$dst), GR16:$rs), 0),
898                     (implicit SR)]>;
899
900def BIT8mc  : I8mc<0b1011,
901                   (outs), (ins memsrc:$dst, cg8imm:$imm),
902                   "bit.b\t$imm, $dst",
903                   [(MSP430cmp (and_su (load addr:$dst), (i8 cg8imm:$imm)), 0),
904                    (implicit SR)]>;
905def BIT16mc : I16mc<0b1011,
906                    (outs), (ins memdst:$dst, cg16imm:$imm),
907                    "bit\t$imm, $dst",
908                    [(MSP430cmp (and_su (load addr:$dst), (i16 cg16imm:$imm)), 0),
909                     (implicit SR)]>;
910
911def BIT8mi  : I8mi<0b1011,
912                   (outs), (ins memsrc:$dst, i8imm:$imm),
913                   "bit.b\t$imm, $dst",
914                   [(MSP430cmp (and_su (load addr:$dst), (i8 imm:$imm)), 0),
915                    (implicit SR)]>;
916def BIT16mi : I16mi<0b1011,
917                    (outs), (ins memsrc:$dst, i16imm:$imm),
918                    "bit\t$imm, $dst",
919                    [(MSP430cmp (and_su (load addr:$dst), (i16 imm:$imm)), 0),
920                     (implicit SR)]>;
921
922def BIT8mm  : I8mm<0b1011,
923                   (outs), (ins memsrc:$dst, memsrc:$src),
924                   "bit.b\t$src, $dst",
925                   [(MSP430cmp (and_su (i8 (load addr:$dst)),
926                                       (load addr:$src)),
927                                 0),
928                      (implicit SR)]>;
929def BIT16mm : I16mm<0b1011,
930                    (outs), (ins memsrc:$dst, memsrc:$src),
931                    "bit\t$src, $dst",
932                    [(MSP430cmp (and_su (i16 (load addr:$dst)),
933                                        (load addr:$src)),
934                                 0),
935                     (implicit SR)]>;
936def BIT8mn  : I8mn<0b1011, (outs), (ins memsrc:$dst, indreg:$rs),
937                   "bit.b\t$rs, $dst", []>;
938def BIT16mn : I16mn<0b1011, (outs), (ins memsrc:$dst, indreg:$rs),
939                    "bit\t$rs, $dst", []>;
940
941def BIT8mp  : I8mp<0b1011, (outs), (ins memsrc:$dst, postreg:$rs),
942                   "bit.b\t$rs, $dst", []>;
943def BIT16mp : I16mp<0b1011, (outs), (ins memsrc:$dst, postreg:$rs),
944                    "bit\t$rs, $dst", []>;
945
946} // Defs = [SR]
947
948def TST8r   : InstAlias<"tst.b\t$dst",  (CMP8rc    GR8:$dst,     0)>;
949def TST16r  : InstAlias<"tst\t$dst",    (CMP16rc   GR16:$dst,    0)>;
950def TST8m   : InstAlias<"tst.b\t$dst",  (CMP8mc    memdst:$dst,  0)>;
951def TST16m  : InstAlias<"tst\t$dst",    (CMP16mc   memdst:$dst,  0)>;
952
953//===----------------------------------------------------------------------===//
954// Non-Instruction Patterns
955
956// extload
957def : Pat<(extloadi16i8 addr:$src), (MOVZX16rm8 addr:$src)>;
958
959// anyext
960def : Pat<(i16 (anyext GR8:$src)),
961          (SUBREG_TO_REG (i16 0), GR8:$src, subreg_8bit)>;
962
963// truncs
964def : Pat<(i8 (trunc GR16:$src)),
965          (EXTRACT_SUBREG GR16:$src, subreg_8bit)>;
966
967// GlobalAddress, ExternalSymbol
968def : Pat<(i16 (MSP430Wrapper tglobaladdr:$dst)), (MOV16ri tglobaladdr:$dst)>;
969def : Pat<(i16 (MSP430Wrapper texternalsym:$dst)), (MOV16ri texternalsym:$dst)>;
970def : Pat<(i16 (MSP430Wrapper tblockaddress:$dst)), (MOV16ri tblockaddress:$dst)>;
971
972def : Pat<(add GR16:$src, (MSP430Wrapper tglobaladdr :$src2)),
973          (ADD16ri GR16:$src, tglobaladdr:$src2)>;
974def : Pat<(add GR16:$src, (MSP430Wrapper texternalsym:$src2)),
975          (ADD16ri GR16:$src, texternalsym:$src2)>;
976def : Pat<(add GR16:$src, (MSP430Wrapper tblockaddress:$src2)),
977          (ADD16ri GR16:$src, tblockaddress:$src2)>;
978
979def : Pat<(store (i16 (MSP430Wrapper tglobaladdr:$src)), addr:$dst),
980          (MOV16mi addr:$dst, tglobaladdr:$src)>;
981def : Pat<(store (i16 (MSP430Wrapper texternalsym:$src)), addr:$dst),
982          (MOV16mi addr:$dst, texternalsym:$src)>;
983def : Pat<(store (i16 (MSP430Wrapper tblockaddress:$src)), addr:$dst),
984          (MOV16mi addr:$dst, tblockaddress:$src)>;
985
986// calls
987def : Pat<(MSP430call (i16 tglobaladdr:$dst)),
988          (CALLi tglobaladdr:$dst)>;
989def : Pat<(MSP430call (i16 texternalsym:$dst)),
990          (CALLi texternalsym:$dst)>;
991
992// add and sub always produce carry
993def : Pat<(addc GR16:$src, GR16:$src2),
994          (ADD16rr GR16:$src, GR16:$src2)>;
995def : Pat<(addc GR16:$src, (load addr:$src2)),
996          (ADD16rm GR16:$src, addr:$src2)>;
997def : Pat<(addc GR16:$src, imm:$src2),
998          (ADD16ri GR16:$src, imm:$src2)>;
999def : Pat<(store (addc (load addr:$dst), GR16:$src), addr:$dst),
1000          (ADD16mr addr:$dst, GR16:$src)>;
1001def : Pat<(store (addc (load addr:$dst), (i16 (load addr:$src))), addr:$dst),
1002          (ADD16mm addr:$dst, addr:$src)>;
1003
1004def : Pat<(addc GR8:$src, GR8:$src2),
1005          (ADD8rr GR8:$src, GR8:$src2)>;
1006def : Pat<(addc GR8:$src, (load addr:$src2)),
1007          (ADD8rm GR8:$src, addr:$src2)>;
1008def : Pat<(addc GR8:$src, imm:$src2),
1009          (ADD8ri GR8:$src, imm:$src2)>;
1010def : Pat<(store (addc (load addr:$dst), GR8:$src), addr:$dst),
1011          (ADD8mr addr:$dst, GR8:$src)>;
1012def : Pat<(store (addc (load addr:$dst), (i8 (load addr:$src))), addr:$dst),
1013          (ADD8mm addr:$dst, addr:$src)>;
1014
1015def : Pat<(subc GR16:$src, GR16:$src2),
1016          (SUB16rr GR16:$src, GR16:$src2)>;
1017def : Pat<(subc GR16:$src, (load addr:$src2)),
1018          (SUB16rm GR16:$src, addr:$src2)>;
1019def : Pat<(subc GR16:$src, imm:$src2),
1020          (SUB16ri GR16:$src, imm:$src2)>;
1021def : Pat<(store (subc (load addr:$dst), GR16:$src), addr:$dst),
1022          (SUB16mr addr:$dst, GR16:$src)>;
1023def : Pat<(store (subc (load addr:$dst), (i16 (load addr:$src))), addr:$dst),
1024          (SUB16mm addr:$dst, addr:$src)>;
1025
1026def : Pat<(subc GR8:$src, GR8:$src2),
1027          (SUB8rr GR8:$src, GR8:$src2)>;
1028def : Pat<(subc GR8:$src, (load addr:$src2)),
1029          (SUB8rm GR8:$src, addr:$src2)>;
1030def : Pat<(subc GR8:$src, imm:$src2),
1031          (SUB8ri GR8:$src, imm:$src2)>;
1032def : Pat<(store (subc (load addr:$dst), GR8:$src), addr:$dst),
1033          (SUB8mr addr:$dst, GR8:$src)>;
1034def : Pat<(store (subc (load addr:$dst), (i8 (load addr:$src))), addr:$dst),
1035          (SUB8mm addr:$dst, addr:$src)>;
1036
1037// peephole patterns
1038def : Pat<(and GR16:$src, 255), (ZEXT16r GR16:$src)>;
1039def : Pat<(MSP430cmp (trunc (and_su GR16:$src, GR16:$src2)), 0),
1040          (BIT8rr (EXTRACT_SUBREG GR16:$src, subreg_8bit),
1041                  (EXTRACT_SUBREG GR16:$src2, subreg_8bit))>;
1042