1//===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file describes the Mips FPU instruction set.
11//
12//===----------------------------------------------------------------------===//
13
14//===----------------------------------------------------------------------===//
15// Floating Point Instructions
16// ------------------------
17// * 64bit fp:
18//    - 32 64-bit registers (default mode)
19//    - 16 even 32-bit registers (32-bit compatible mode) for
20//      single and double access.
21// * 32bit fp:
22//    - 16 even 32-bit registers - single and double (aliased)
23//    - 32 32-bit registers (within single-only mode)
24//===----------------------------------------------------------------------===//
25
26// Floating Point Compare and Branch
27def SDT_MipsFPBrcond : SDTypeProfile<0, 3, [SDTCisInt<0>,
28                                            SDTCisVT<1, i32>,
29                                            SDTCisVT<2, OtherVT>]>;
30def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>,
31                                         SDTCisVT<2, i32>]>;
32def SDT_MipsCMovFP : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisVT<2, i32>,
33                                          SDTCisSameAs<1, 3>]>;
34def SDT_MipsTruncIntFP : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
35def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
36                                                SDTCisVT<1, i32>,
37                                                SDTCisSameAs<1, 2>]>;
38def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
39                                                     SDTCisVT<1, f64>,
40                                                     SDTCisVT<2, i32>]>;
41
42def SDT_MipsMTC1_D64 : SDTypeProfile<1, 1, [SDTCisVT<0, f64>,
43                                            SDTCisVT<1, i32>]>;
44
45def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>;
46def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>;
47def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>;
48def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond,
49                          [SDNPHasChain, SDNPOptInGlue]>;
50def MipsTruncIntFP : SDNode<"MipsISD::TruncIntFP", SDT_MipsTruncIntFP>;
51def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>;
52def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64",
53                                   SDT_MipsExtractElementF64>;
54
55def MipsMTC1_D64 : SDNode<"MipsISD::MTC1_D64", SDT_MipsMTC1_D64>;
56
57// Operand for printing out a condition code.
58let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in
59  def condcode : Operand<i32>;
60
61//===----------------------------------------------------------------------===//
62// Feature predicates.
63//===----------------------------------------------------------------------===//
64
65def IsFP64bit        : Predicate<"Subtarget->isFP64bit()">,
66                       AssemblerPredicate<"FeatureFP64Bit">;
67def NotFP64bit       : Predicate<"!Subtarget->isFP64bit()">,
68                       AssemblerPredicate<"!FeatureFP64Bit">;
69def IsSingleFloat    : Predicate<"Subtarget->isSingleFloat()">,
70                       AssemblerPredicate<"FeatureSingleFloat">;
71def IsNotSingleFloat : Predicate<"!Subtarget->isSingleFloat()">,
72                       AssemblerPredicate<"!FeatureSingleFloat">;
73def IsNotSoftFloat   : Predicate<"!Subtarget->useSoftFloat()">,
74                       AssemblerPredicate<"!FeatureSoftFloat">;
75
76//===----------------------------------------------------------------------===//
77// Mips FGR size adjectives.
78// They are mutually exclusive.
79//===----------------------------------------------------------------------===//
80
81class FGR_32 { list<Predicate> FGRPredicates = [NotFP64bit]; }
82class FGR_64 { list<Predicate> FGRPredicates = [IsFP64bit]; }
83class HARDFLOAT { list<Predicate> HardFloatPredicate = [IsNotSoftFloat]; }
84
85//===----------------------------------------------------------------------===//
86
87// FP immediate patterns.
88def fpimm0 : PatLeaf<(fpimm), [{
89  return N->isExactlyValue(+0.0);
90}]>;
91
92def fpimm0neg : PatLeaf<(fpimm), [{
93  return N->isExactlyValue(-0.0);
94}]>;
95
96//===----------------------------------------------------------------------===//
97// Instruction Class Templates
98//
99// A set of multiclasses is used to address the register usage.
100//
101// S32 - single precision in 16 32bit even fp registers
102//       single precision in 32 32bit fp registers in SingleOnly mode
103// S64 - single precision in 32 64bit fp registers (In64BitMode)
104// D32 - double precision in 16 32bit even fp registers
105// D64 - double precision in 32 64bit fp registers (In64BitMode)
106//
107// Only S32 and D32 are supported right now.
108//===----------------------------------------------------------------------===//
109class ADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin, bit IsComm,
110              SDPatternOperator OpNode= null_frag> :
111  InstSE<(outs RC:$fd), (ins RC:$fs, RC:$ft),
112         !strconcat(opstr, "\t$fd, $fs, $ft"),
113         [(set RC:$fd, (OpNode RC:$fs, RC:$ft))], Itin, FrmFR, opstr>,
114  HARDFLOAT {
115  let isCommutable = IsComm;
116}
117
118multiclass ADDS_M<string opstr, InstrItinClass Itin, bit IsComm,
119                  SDPatternOperator OpNode = null_frag> {
120  def _D32 : MMRel, ADDS_FT<opstr, AFGR64Opnd, Itin, IsComm, OpNode>, FGR_32;
121  def _D64 : ADDS_FT<opstr, FGR64Opnd, Itin, IsComm, OpNode>, FGR_64 {
122    string DecoderNamespace = "MipsFP64";
123  }
124}
125
126class ABSS_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
127              InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
128  InstSE<(outs DstRC:$fd), (ins SrcRC:$fs), !strconcat(opstr, "\t$fd, $fs"),
129         [(set DstRC:$fd, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>,
130  HARDFLOAT,
131  NeverHasSideEffects;
132
133multiclass ABSS_M<string opstr, InstrItinClass Itin,
134                  SDPatternOperator OpNode= null_frag> {
135  def _D32 : MMRel, ABSS_FT<opstr, AFGR64Opnd, AFGR64Opnd, Itin, OpNode>,
136             FGR_32;
137  def _D64 : ABSS_FT<opstr, FGR64Opnd, FGR64Opnd, Itin, OpNode>, FGR_64 {
138    string DecoderNamespace = "MipsFP64";
139  }
140}
141
142multiclass ROUND_M<string opstr, InstrItinClass Itin> {
143  def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, FGR_32;
144  def _D64 : StdMMR6Rel, ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 {
145    let DecoderNamespace = "MipsFP64";
146  }
147}
148
149class MFC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
150              InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
151  InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"),
152         [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>, HARDFLOAT;
153
154class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
155              InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
156  InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
157         [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>, HARDFLOAT;
158
159class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
160                 InstrItinClass Itin> :
161  InstSE<(outs DstRC:$fs), (ins DstRC:$fs_in, SrcRC:$rt),
162         !strconcat(opstr, "\t$rt, $fs"), [], Itin, FrmFR, opstr>, HARDFLOAT {
163  // $fs_in is part of a white lie to work around a widespread bug in the FPU
164  // implementation. See expandBuildPairF64 for details.
165  let Constraints = "$fs = $fs_in";
166}
167
168class LW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
169            InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
170  InstSE<(outs RC:$rt), (ins MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
171         [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr>,
172  HARDFLOAT {
173  let DecoderMethod = "DecodeFMem";
174  let mayLoad = 1;
175}
176
177class SW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
178            InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
179  InstSE<(outs), (ins RC:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
180         [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr>, HARDFLOAT {
181  let DecoderMethod = "DecodeFMem";
182  let mayStore = 1;
183}
184
185class MADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
186               SDPatternOperator OpNode = null_frag> :
187  InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft),
188         !strconcat(opstr, "\t$fd, $fr, $fs, $ft"),
189         [(set RC:$fd, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr))], Itin,
190         FrmFR, opstr>, HARDFLOAT;
191
192class NMADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
193                SDPatternOperator OpNode = null_frag> :
194  InstSE<(outs RC:$fd), (ins RC:$fr, RC:$fs, RC:$ft),
195         !strconcat(opstr, "\t$fd, $fr, $fs, $ft"),
196         [(set RC:$fd, (fsub fpimm0, (OpNode (fmul RC:$fs, RC:$ft), RC:$fr)))],
197         Itin, FrmFR, opstr>, HARDFLOAT;
198
199class LWXC1_FT<string opstr, RegisterOperand DRC,
200               InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
201  InstSE<(outs DRC:$fd), (ins PtrRC:$base, PtrRC:$index),
202         !strconcat(opstr, "\t$fd, ${index}(${base})"),
203         [(set DRC:$fd, (OpNode (add iPTR:$base, iPTR:$index)))], Itin,
204         FrmFI, opstr>, HARDFLOAT {
205  let AddedComplexity = 20;
206}
207
208class SWXC1_FT<string opstr, RegisterOperand DRC,
209               InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
210  InstSE<(outs), (ins DRC:$fs, PtrRC:$base, PtrRC:$index),
211         !strconcat(opstr, "\t$fs, ${index}(${base})"),
212         [(OpNode DRC:$fs, (add iPTR:$base, iPTR:$index))], Itin,
213         FrmFI, opstr>, HARDFLOAT {
214  let AddedComplexity = 20;
215}
216
217class BC1F_FT<string opstr, DAGOperand opnd, InstrItinClass Itin,
218              SDPatternOperator Op = null_frag> :
219  InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset),
220         !strconcat(opstr, "\t$fcc, $offset"),
221         [(MipsFPBrcond Op, FCCRegsOpnd:$fcc, bb:$offset)], Itin,
222         FrmFI, opstr>, HARDFLOAT {
223  let isBranch = 1;
224  let isTerminator = 1;
225  let hasDelaySlot = 1;
226  let Defs = [AT];
227  let hasFCCRegOperand = 1;
228}
229
230class BC1XL_FT<string opstr, DAGOperand opnd, InstrItinClass Itin> :
231  InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset),
232         !strconcat(opstr, "\t$fcc, $offset"), [], Itin,
233         FrmFI, opstr>, HARDFLOAT {
234  let isBranch = 1;
235  let isTerminator = 1;
236  let hasDelaySlot = 1;
237  let Defs = [AT];
238  let hasFCCRegOperand = 1;
239}
240
241class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin,
242              SDPatternOperator OpNode = null_frag>  :
243  InstSE<(outs), (ins RC:$fs, RC:$ft, condcode:$cond),
244         !strconcat("c.$cond.", typestr, "\t$fs, $ft"),
245         [(OpNode RC:$fs, RC:$ft, imm:$cond)], Itin, FrmFR,
246         !strconcat("c.$cond.", typestr)>, HARDFLOAT {
247  let Defs = [FCC0];
248  let isCodeGenOnly = 1;
249  let hasFCCRegOperand = 1;
250}
251
252
253// Note: MIPS-IV introduced $fcc1-$fcc7 and renamed FCSR31[23] $fcc0. Rather
254//       duplicating the instruction definition for MIPS1 - MIPS3, we expand
255//       c.cond.ft if necessary, and reject it after constructing the
256//       instruction if the ISA doesn't support it.
257class C_COND_FT<string CondStr, string Typestr, RegisterOperand RC,
258                InstrItinClass itin>  :
259   InstSE<(outs FCCRegsOpnd:$fcc), (ins RC:$fs, RC:$ft),
260          !strconcat("c.", CondStr, ".", Typestr, "\t$fcc, $fs, $ft"), [], itin,
261          FrmFR>, HARDFLOAT {
262  let isCompare = 1;
263  let hasFCCRegOperand = 1;
264}
265
266
267multiclass C_COND_M<string TypeStr, RegisterOperand RC, bits<5> fmt,
268                    InstrItinClass itin> {
269  def C_F_#NAME : MMRel, C_COND_FT<"f", TypeStr, RC, itin>,
270                  C_COND_FM<fmt, 0> {
271    let BaseOpcode = "c.f."#NAME;
272    let isCommutable = 1;
273  }
274  def C_UN_#NAME : MMRel, C_COND_FT<"un", TypeStr, RC, itin>,
275                   C_COND_FM<fmt, 1> {
276    let BaseOpcode = "c.un."#NAME;
277    let isCommutable = 1;
278  }
279  def C_EQ_#NAME : MMRel, C_COND_FT<"eq", TypeStr, RC, itin>,
280                   C_COND_FM<fmt, 2> {
281    let BaseOpcode = "c.eq."#NAME;
282    let isCommutable = 1;
283  }
284  def C_UEQ_#NAME : MMRel, C_COND_FT<"ueq", TypeStr, RC, itin>,
285                    C_COND_FM<fmt, 3> {
286    let BaseOpcode = "c.ueq."#NAME;
287    let isCommutable = 1;
288  }
289  def C_OLT_#NAME : MMRel, C_COND_FT<"olt", TypeStr, RC, itin>,
290                    C_COND_FM<fmt, 4> {
291    let BaseOpcode = "c.olt."#NAME;
292  }
293  def C_ULT_#NAME : MMRel, C_COND_FT<"ult", TypeStr, RC, itin>,
294                    C_COND_FM<fmt, 5> {
295    let BaseOpcode = "c.ult."#NAME;
296  }
297  def C_OLE_#NAME : MMRel, C_COND_FT<"ole", TypeStr, RC, itin>,
298                    C_COND_FM<fmt, 6> {
299    let BaseOpcode = "c.ole."#NAME;
300  }
301  def C_ULE_#NAME : MMRel, C_COND_FT<"ule", TypeStr, RC, itin>,
302                     C_COND_FM<fmt, 7> {
303    let BaseOpcode = "c.ule."#NAME;
304  }
305  def C_SF_#NAME : MMRel, C_COND_FT<"sf", TypeStr, RC, itin>,
306                   C_COND_FM<fmt, 8> {
307    let BaseOpcode = "c.sf."#NAME;
308    let isCommutable = 1;
309  }
310  def C_NGLE_#NAME : MMRel, C_COND_FT<"ngle", TypeStr, RC, itin>,
311                     C_COND_FM<fmt, 9> {
312    let BaseOpcode = "c.ngle."#NAME;
313  }
314  def C_SEQ_#NAME : MMRel, C_COND_FT<"seq", TypeStr, RC, itin>,
315                    C_COND_FM<fmt, 10> {
316    let BaseOpcode = "c.seq."#NAME;
317    let isCommutable = 1;
318  }
319  def C_NGL_#NAME : MMRel, C_COND_FT<"ngl", TypeStr, RC, itin>,
320                    C_COND_FM<fmt, 11> {
321    let BaseOpcode = "c.ngl."#NAME;
322  }
323  def C_LT_#NAME : MMRel, C_COND_FT<"lt", TypeStr, RC, itin>,
324                   C_COND_FM<fmt, 12> {
325    let BaseOpcode = "c.lt."#NAME;
326  }
327  def C_NGE_#NAME : MMRel, C_COND_FT<"nge", TypeStr, RC, itin>,
328                    C_COND_FM<fmt, 13> {
329    let BaseOpcode = "c.nge."#NAME;
330  }
331  def C_LE_#NAME : MMRel, C_COND_FT<"le", TypeStr, RC, itin>,
332                   C_COND_FM<fmt, 14> {
333    let BaseOpcode = "c.le."#NAME;
334  }
335  def C_NGT_#NAME : MMRel, C_COND_FT<"ngt", TypeStr, RC, itin>,
336                    C_COND_FM<fmt, 15> {
337    let BaseOpcode = "c.ngt."#NAME;
338  }
339}
340
341let AdditionalPredicates = [NotInMicroMips] in {
342defm S : C_COND_M<"s", FGR32Opnd, 16, II_C_CC_S>, ISA_MIPS1_NOT_32R6_64R6;
343defm D32 : C_COND_M<"d", AFGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
344           FGR_32;
345let DecoderNamespace = "MipsFP64" in
346defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
347           FGR_64;
348}
349//===----------------------------------------------------------------------===//
350// Floating Point Instructions
351//===----------------------------------------------------------------------===//
352def ROUND_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
353                 ABSS_FM<0xc, 16>, ISA_MIPS2;
354defm ROUND_W : ROUND_M<"round.w.d", II_ROUND>, ABSS_FM<0xc, 17>, ISA_MIPS2;
355def TRUNC_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"trunc.w.s", FGR32Opnd, FGR32Opnd, II_TRUNC>,
356                 ABSS_FM<0xd, 16>, ISA_MIPS2;
357def CEIL_W_S   : MMRel, StdMMR6Rel, ABSS_FT<"ceil.w.s", FGR32Opnd, FGR32Opnd, II_CEIL>,
358                 ABSS_FM<0xe, 16>, ISA_MIPS2;
359def FLOOR_W_S  : MMRel, StdMMR6Rel, ABSS_FT<"floor.w.s", FGR32Opnd, FGR32Opnd, II_FLOOR>,
360                 ABSS_FM<0xf, 16>, ISA_MIPS2;
361def CVT_W_S    : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
362                 ABSS_FM<0x24, 16>;
363
364defm TRUNC_W : ROUND_M<"trunc.w.d", II_TRUNC>, ABSS_FM<0xd, 17>, ISA_MIPS2;
365defm CEIL_W  : ROUND_M<"ceil.w.d", II_CEIL>, ABSS_FM<0xe, 17>, ISA_MIPS2;
366defm FLOOR_W : ROUND_M<"floor.w.d", II_FLOOR>, ABSS_FM<0xf, 17>, ISA_MIPS2;
367defm CVT_W   : ROUND_M<"cvt.w.d", II_CVT>, ABSS_FM<0x24, 17>;
368
369let AdditionalPredicates = [NotInMicroMips] in {
370  def RECIP_S : MMRel, ABSS_FT<"recip.s", FGR32Opnd, FGR32Opnd, II_RECIP_S>,
371                ABSS_FM<0b010101, 0x10>, INSN_MIPS4_32R2;
372  def RECIP_D32 : MMRel, ABSS_FT<"recip.d", AFGR64Opnd, AFGR64Opnd, II_RECIP_D>,
373                  ABSS_FM<0b010101, 0x11>, INSN_MIPS4_32R2, FGR_32 {
374    let BaseOpcode = "RECIP_D32";
375  }
376  let DecoderNamespace = "MipsFP64" in
377    def RECIP_D64 : MMRel, ABSS_FT<"recip.d", FGR64Opnd, FGR64Opnd,
378                                   II_RECIP_D>, ABSS_FM<0b010101, 0x11>,
379                    INSN_MIPS4_32R2, FGR_64;
380  def RSQRT_S : MMRel, ABSS_FT<"rsqrt.s", FGR32Opnd, FGR32Opnd, II_RSQRT_S>,
381                ABSS_FM<0b010110, 0x10>, INSN_MIPS4_32R2;
382  def RSQRT_D32 : MMRel, ABSS_FT<"rsqrt.d", AFGR64Opnd, AFGR64Opnd, II_RSQRT_D>,
383                  ABSS_FM<0b010110, 0x11>, INSN_MIPS4_32R2, FGR_32 {
384    let BaseOpcode = "RSQRT_D32";
385  }
386  let DecoderNamespace = "MipsFP64" in
387    def RSQRT_D64 : MMRel, ABSS_FT<"rsqrt.d", FGR64Opnd, FGR64Opnd,
388                                   II_RSQRT_D>, ABSS_FM<0b010110, 0x11>,
389                    INSN_MIPS4_32R2, FGR_64;
390}
391let DecoderNamespace = "MipsFP64" in {
392  let AdditionalPredicates = [NotInMicroMips] in {
393  def ROUND_L_S : ABSS_FT<"round.l.s", FGR64Opnd, FGR32Opnd, II_ROUND>,
394                  ABSS_FM<0x8, 16>, FGR_64;
395  def ROUND_L_D64 : ABSS_FT<"round.l.d", FGR64Opnd, FGR64Opnd, II_ROUND>,
396                    ABSS_FM<0x8, 17>, FGR_64;
397  def TRUNC_L_S : ABSS_FT<"trunc.l.s", FGR64Opnd, FGR32Opnd, II_TRUNC>,
398                  ABSS_FM<0x9, 16>, FGR_64;
399  def TRUNC_L_D64 : ABSS_FT<"trunc.l.d", FGR64Opnd, FGR64Opnd, II_TRUNC>,
400                    ABSS_FM<0x9, 17>, FGR_64;
401  def CEIL_L_S  : ABSS_FT<"ceil.l.s", FGR64Opnd, FGR32Opnd, II_CEIL>,
402                  ABSS_FM<0xa, 16>, FGR_64;
403  def CEIL_L_D64 : ABSS_FT<"ceil.l.d", FGR64Opnd, FGR64Opnd, II_CEIL>,
404                   ABSS_FM<0xa, 17>, FGR_64;
405  def FLOOR_L_S : ABSS_FT<"floor.l.s", FGR64Opnd, FGR32Opnd, II_FLOOR>,
406                  ABSS_FM<0xb, 16>, FGR_64;
407  def FLOOR_L_D64 : ABSS_FT<"floor.l.d", FGR64Opnd, FGR64Opnd, II_FLOOR>,
408                    ABSS_FM<0xb, 17>, FGR_64;
409  }
410}
411
412def CVT_S_W : MMRel, ABSS_FT<"cvt.s.w", FGR32Opnd, FGR32Opnd, II_CVT>,
413              ABSS_FM<0x20, 20>;
414let AdditionalPredicates = [NotInMicroMips] in{
415  def CVT_L_S : MMRel, ABSS_FT<"cvt.l.s", FGR64Opnd, FGR32Opnd, II_CVT>,
416                ABSS_FM<0x25, 16>, INSN_MIPS3_32R2;
417  def CVT_L_D64: MMRel, ABSS_FT<"cvt.l.d", FGR64Opnd, FGR64Opnd, II_CVT>,
418                 ABSS_FM<0x25, 17>, INSN_MIPS3_32R2;
419}
420
421def CVT_S_D32 : MMRel, ABSS_FT<"cvt.s.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
422                ABSS_FM<0x20, 17>, FGR_32;
423def CVT_D32_W : MMRel, ABSS_FT<"cvt.d.w", AFGR64Opnd, FGR32Opnd, II_CVT>,
424                ABSS_FM<0x21, 20>, FGR_32;
425def CVT_D32_S : MMRel, ABSS_FT<"cvt.d.s", AFGR64Opnd, FGR32Opnd, II_CVT>,
426                ABSS_FM<0x21, 16>, FGR_32;
427
428let DecoderNamespace = "MipsFP64" in {
429  def CVT_S_D64 : ABSS_FT<"cvt.s.d", FGR32Opnd, FGR64Opnd, II_CVT>,
430                  ABSS_FM<0x20, 17>, FGR_64;
431  let AdditionalPredicates = [NotInMicroMips] in{
432    def CVT_S_L   : ABSS_FT<"cvt.s.l", FGR32Opnd, FGR64Opnd, II_CVT>,
433                    ABSS_FM<0x20, 21>, FGR_64;
434  }
435  def CVT_D64_W : ABSS_FT<"cvt.d.w", FGR64Opnd, FGR32Opnd, II_CVT>,
436                  ABSS_FM<0x21, 20>, FGR_64;
437  def CVT_D64_S : ABSS_FT<"cvt.d.s", FGR64Opnd, FGR32Opnd, II_CVT>,
438                  ABSS_FM<0x21, 16>, FGR_64;
439  def CVT_D64_L : ABSS_FT<"cvt.d.l", FGR64Opnd, FGR64Opnd, II_CVT>,
440                  ABSS_FM<0x21, 21>, FGR_64;
441}
442
443let isPseudo = 1, isCodeGenOnly = 1 in {
444  def PseudoCVT_S_W : ABSS_FT<"", FGR32Opnd, GPR32Opnd, II_CVT>;
445  def PseudoCVT_D32_W : ABSS_FT<"", AFGR64Opnd, GPR32Opnd, II_CVT>;
446  def PseudoCVT_S_L : ABSS_FT<"", FGR64Opnd, GPR64Opnd, II_CVT>;
447  def PseudoCVT_D64_W : ABSS_FT<"", FGR64Opnd, GPR32Opnd, II_CVT>;
448  def PseudoCVT_D64_L : ABSS_FT<"", FGR64Opnd, GPR64Opnd, II_CVT>;
449}
450
451def FABS_S : MMRel, ABSS_FT<"abs.s", FGR32Opnd, FGR32Opnd, II_ABS, fabs>,
452             ABSS_FM<0x5, 16>;
453def FNEG_S : MMRel, ABSS_FT<"neg.s", FGR32Opnd, FGR32Opnd, II_NEG, fneg>,
454             ABSS_FM<0x7, 16>;
455defm FABS : ABSS_M<"abs.d", II_ABS, fabs>, ABSS_FM<0x5, 17>;
456defm FNEG : ABSS_M<"neg.d", II_NEG, fneg>, ABSS_FM<0x7, 17>;
457
458def FSQRT_S : MMRel, StdMMR6Rel, ABSS_FT<"sqrt.s", FGR32Opnd, FGR32Opnd,
459              II_SQRT_S, fsqrt>, ABSS_FM<0x4, 16>, ISA_MIPS2;
460defm FSQRT : ABSS_M<"sqrt.d", II_SQRT_D, fsqrt>, ABSS_FM<0x4, 17>, ISA_MIPS2;
461
462// The odd-numbered registers are only referenced when doing loads,
463// stores, and moves between floating-point and integer registers.
464// When defining instructions, we reference all 32-bit registers,
465// regardless of register aliasing.
466
467/// Move Control Registers From/To CPU Registers
468let AdditionalPredicates = [NotInMicroMips] in {
469  def CFC1 : MMRel, MFC1_FT<"cfc1", GPR32Opnd, CCROpnd, II_CFC1>, MFC1_FM<2>;
470  def CTC1 : MMRel, MTC1_FT<"ctc1", CCROpnd, GPR32Opnd, II_CTC1>, MFC1_FM<6>;
471}
472def MFC1 : MMRel, MFC1_FT<"mfc1", GPR32Opnd, FGR32Opnd, II_MFC1,
473                          bitconvert>, MFC1_FM<0>;
474def MFC1_D64 : MFC1_FT<"mfc1", GPR32Opnd, FGR64Opnd, II_MFC1>, MFC1_FM<0>,
475               FGR_64 {
476  let DecoderNamespace = "MipsFP64";
477}
478def MTC1 : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd, II_MTC1,
479                          bitconvert>, MFC1_FM<4>;
480def MTC1_D64 : MTC1_FT<"mtc1", FGR64Opnd, GPR32Opnd, II_MTC1>, MFC1_FM<4>,
481               FGR_64 {
482  let DecoderNamespace = "MipsFP64";
483}
484
485let AdditionalPredicates = [NotInMicroMips] in {
486  def MFHC1_D32 : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, AFGR64Opnd, II_MFHC1>,
487                  MFC1_FM<3>, ISA_MIPS32R2, FGR_32;
488  def MFHC1_D64 : MFC1_FT<"mfhc1", GPR32Opnd, FGR64Opnd, II_MFHC1>,
489                  MFC1_FM<3>, ISA_MIPS32R2, FGR_64 {
490    let DecoderNamespace = "MipsFP64";
491  }
492}
493let AdditionalPredicates = [NotInMicroMips] in {
494  def MTHC1_D32 : MMRel, StdMMR6Rel, MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>,
495                  MFC1_FM<7>, ISA_MIPS32R2, FGR_32;
496  def MTHC1_D64 : MTC1_64_FT<"mthc1", FGR64Opnd, GPR32Opnd, II_MTHC1>,
497                  MFC1_FM<7>, ISA_MIPS32R2, FGR_64 {
498    let DecoderNamespace = "MipsFP64";
499  }
500}
501let AdditionalPredicates = [NotInMicroMips] in {
502  def DMTC1 : MTC1_FT<"dmtc1", FGR64Opnd, GPR64Opnd, II_DMTC1,
503              bitconvert>, MFC1_FM<5>, ISA_MIPS3;
504  def DMFC1 : MFC1_FT<"dmfc1", GPR64Opnd, FGR64Opnd, II_DMFC1,
505                      bitconvert>, MFC1_FM<1>, ISA_MIPS3;
506}
507
508def FMOV_S   : MMRel, ABSS_FT<"mov.s", FGR32Opnd, FGR32Opnd, II_MOV_S>,
509               ABSS_FM<0x6, 16>;
510def FMOV_D32 : MMRel, ABSS_FT<"mov.d", AFGR64Opnd, AFGR64Opnd, II_MOV_D>,
511               ABSS_FM<0x6, 17>, FGR_32;
512def FMOV_D64 : ABSS_FT<"mov.d", FGR64Opnd, FGR64Opnd, II_MOV_D>,
513               ABSS_FM<0x6, 17>, FGR_64 {
514                 let DecoderNamespace = "MipsFP64";
515}
516
517/// Floating Point Memory Instructions
518let AdditionalPredicates = [NotInMicroMips] in {
519  def LWC1 : MMRel, LW_FT<"lwc1", FGR32Opnd, mem_simm16, II_LWC1, load>,
520             LW_FM<0x31>;
521  def SWC1 : MMRel, SW_FT<"swc1", FGR32Opnd, mem_simm16, II_SWC1, store>,
522             LW_FM<0x39>;
523}
524
525let DecoderNamespace = "MipsFP64", AdditionalPredicates = [NotInMicroMips] in {
526  def LDC164 : StdMMR6Rel, LW_FT<"ldc1", FGR64Opnd, mem_simm16, II_LDC1, load>,
527               LW_FM<0x35>, ISA_MIPS2, FGR_64 {
528    let BaseOpcode = "LDC164";
529  }
530  def SDC164 : StdMMR6Rel, SW_FT<"sdc1", FGR64Opnd, mem_simm16, II_SDC1, store>,
531               LW_FM<0x3d>, ISA_MIPS2, FGR_64;
532}
533
534let AdditionalPredicates = [NotInMicroMips] in {
535  def LDC1 : MMRel, StdMMR6Rel, LW_FT<"ldc1", AFGR64Opnd, mem_simm16, II_LDC1,
536                                      load>, LW_FM<0x35>, ISA_MIPS2, FGR_32 {
537    let BaseOpcode = "LDC132";
538  }
539  def SDC1 : MMRel, SW_FT<"sdc1", AFGR64Opnd, mem_simm16, II_SDC1, store>,
540             LW_FM<0x3d>, ISA_MIPS2, FGR_32;
541}
542
543// Indexed loads and stores.
544// Base register + offset register addressing mode (indicated by "x" in the
545// instruction mnemonic) is disallowed under NaCl.
546let AdditionalPredicates = [IsNotNaCl] in {
547  def LWXC1 : MMRel, LWXC1_FT<"lwxc1", FGR32Opnd, II_LWXC1, load>, LWXC1_FM<0>,
548              INSN_MIPS4_32R2_NOT_32R6_64R6;
549  def SWXC1 : MMRel, SWXC1_FT<"swxc1", FGR32Opnd, II_SWXC1, store>, SWXC1_FM<8>,
550              INSN_MIPS4_32R2_NOT_32R6_64R6;
551}
552
553let AdditionalPredicates = [NotInMicroMips, IsNotNaCl] in {
554  def LDXC1 : LWXC1_FT<"ldxc1", AFGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
555              INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
556  def SDXC1 : SWXC1_FT<"sdxc1", AFGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
557              INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
558}
559
560let DecoderNamespace="MipsFP64" in {
561  def LDXC164 : LWXC1_FT<"ldxc1", FGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
562                INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
563  def SDXC164 : SWXC1_FT<"sdxc1", FGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
564                INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
565}
566
567// Load/store doubleword indexed unaligned.
568// FIXME: This instruction should not be defined for FGR_32.
569let AdditionalPredicates = [IsNotNaCl] in {
570  def LUXC1 : MMRel, LWXC1_FT<"luxc1", AFGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
571              INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
572  def SUXC1 : MMRel, SWXC1_FT<"suxc1", AFGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
573              INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
574}
575
576let DecoderNamespace="MipsFP64" in {
577  def LUXC164 : LWXC1_FT<"luxc1", FGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
578                INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
579  def SUXC164 : SWXC1_FT<"suxc1", FGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
580                INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
581}
582
583/// Floating-point Aritmetic
584def FADD_S : MMRel, ADDS_FT<"add.s", FGR32Opnd, II_ADD_S, 1, fadd>,
585             ADDS_FM<0x00, 16>;
586defm FADD :  ADDS_M<"add.d", II_ADD_D, 1, fadd>, ADDS_FM<0x00, 17>;
587def FDIV_S : MMRel, ADDS_FT<"div.s", FGR32Opnd, II_DIV_S, 0, fdiv>,
588             ADDS_FM<0x03, 16>;
589defm FDIV :  ADDS_M<"div.d", II_DIV_D, 0, fdiv>, ADDS_FM<0x03, 17>;
590def FMUL_S : MMRel, ADDS_FT<"mul.s", FGR32Opnd, II_MUL_S, 1, fmul>,
591             ADDS_FM<0x02, 16>;
592defm FMUL :  ADDS_M<"mul.d", II_MUL_D, 1, fmul>, ADDS_FM<0x02, 17>;
593def FSUB_S : MMRel, ADDS_FT<"sub.s", FGR32Opnd, II_SUB_S, 0, fsub>,
594             ADDS_FM<0x01, 16>;
595defm FSUB :  ADDS_M<"sub.d", II_SUB_D, 0, fsub>, ADDS_FM<0x01, 17>;
596
597def MADD_S : MMRel, MADDS_FT<"madd.s", FGR32Opnd, II_MADD_S, fadd>,
598             MADDS_FM<4, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4;
599def MSUB_S : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>,
600             MADDS_FM<5, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4;
601
602let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] in {
603  def NMADD_S : MMRel, NMADDS_FT<"nmadd.s", FGR32Opnd, II_NMADD_S, fadd>,
604                MADDS_FM<6, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
605  def NMSUB_S : MMRel, NMADDS_FT<"nmsub.s", FGR32Opnd, II_NMSUB_S, fsub>,
606                MADDS_FM<7, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
607}
608
609def MADD_D32 : MMRel, MADDS_FT<"madd.d", AFGR64Opnd, II_MADD_D, fadd>,
610               MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4;
611def MSUB_D32 : MMRel, MADDS_FT<"msub.d", AFGR64Opnd, II_MSUB_D, fsub>,
612               MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4;
613
614let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] in {
615  def NMADD_D32 : MMRel, NMADDS_FT<"nmadd.d", AFGR64Opnd, II_NMADD_D, fadd>,
616                  MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
617  def NMSUB_D32 : MMRel, NMADDS_FT<"nmsub.d", AFGR64Opnd, II_NMSUB_D, fsub>,
618                  MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
619}
620
621let DecoderNamespace = "MipsFP64" in {
622  def MADD_D64 : MADDS_FT<"madd.d", FGR64Opnd, II_MADD_D, fadd>,
623                 MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4;
624  def MSUB_D64 : MADDS_FT<"msub.d", FGR64Opnd, II_MSUB_D, fsub>,
625                 MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4;
626}
627
628let AdditionalPredicates = [NoNaNsFPMath, HasMadd4],
629    DecoderNamespace = "MipsFP64" in {
630  def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64Opnd, II_NMADD_D, fadd>,
631                  MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
632  def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64Opnd, II_NMSUB_D, fsub>,
633                  MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
634}
635
636//===----------------------------------------------------------------------===//
637// Floating Point Branch Codes
638//===----------------------------------------------------------------------===//
639// Mips branch codes. These correspond to condcode in MipsInstrInfo.h.
640// They must be kept in synch.
641def MIPS_BRANCH_F  : PatLeaf<(i32 0)>;
642def MIPS_BRANCH_T  : PatLeaf<(i32 1)>;
643
644def BC1F : MMRel, BC1F_FT<"bc1f", brtarget, II_BC1F, MIPS_BRANCH_F>,
645           BC1F_FM<0, 0>, ISA_MIPS1_NOT_32R6_64R6;
646def BC1FL : MMRel, BC1XL_FT<"bc1fl", brtarget, II_BC1FL>,
647            BC1F_FM<1, 0>, ISA_MIPS2_NOT_32R6_64R6;
648def BC1T : MMRel, BC1F_FT<"bc1t", brtarget, II_BC1T, MIPS_BRANCH_T>,
649           BC1F_FM<0, 1>, ISA_MIPS1_NOT_32R6_64R6;
650def BC1TL : MMRel, BC1XL_FT<"bc1tl", brtarget, II_BC1TL>,
651            BC1F_FM<1, 1>, ISA_MIPS2_NOT_32R6_64R6;
652
653/// Floating Point Compare
654let AdditionalPredicates = [NotInMicroMips] in {
655  def FCMP_S32 : MMRel, CEQS_FT<"s", FGR32, II_C_CC_S, MipsFPCmp>, CEQS_FM<16>,
656                 ISA_MIPS1_NOT_32R6_64R6 {
657
658  // FIXME: This is a required to work around the fact that these instructions
659  //        only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
660  //        fcc register set is used directly.
661  bits<3> fcc = 0;
662  }
663  def FCMP_D32 : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>,
664                 ISA_MIPS1_NOT_32R6_64R6, FGR_32 {
665  // FIXME: This is a required to work around the fact that these instructions
666  //        only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
667  //        fcc register set is used directly.
668  bits<3> fcc = 0;
669  }
670}
671let DecoderNamespace = "MipsFP64" in
672def FCMP_D64 : CEQS_FT<"d", FGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>,
673               ISA_MIPS1_NOT_32R6_64R6, FGR_64 {
674  // FIXME: This is a required to work around the fact that thiese instructions
675  //        only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
676  //        fcc register set is used directly.
677  bits<3> fcc = 0;
678}
679
680//===----------------------------------------------------------------------===//
681// Floating Point Pseudo-Instructions
682//===----------------------------------------------------------------------===//
683
684// This pseudo instr gets expanded into 2 mtc1 instrs after register
685// allocation.
686class BuildPairF64Base<RegisterOperand RO> :
687  PseudoSE<(outs RO:$dst), (ins GPR32Opnd:$lo, GPR32Opnd:$hi),
688           [(set RO:$dst, (MipsBuildPairF64 GPR32Opnd:$lo, GPR32Opnd:$hi))],
689           II_MTC1>;
690
691def BuildPairF64 : BuildPairF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
692def BuildPairF64_64 : BuildPairF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
693
694// This pseudo instr gets expanded into 2 mfc1 instrs after register
695// allocation.
696// if n is 0, lower part of src is extracted.
697// if n is 1, higher part of src is extracted.
698// This node has associated scheduling information as the pre RA scheduler
699// asserts otherwise.
700class ExtractElementF64Base<RegisterOperand RO> :
701  PseudoSE<(outs GPR32Opnd:$dst), (ins RO:$src, i32imm:$n),
702           [(set GPR32Opnd:$dst, (MipsExtractElementF64 RO:$src, imm:$n))],
703           II_MFC1>;
704
705def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
706def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
707
708def PseudoTRUNC_W_S : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
709                                        (ins FGR32Opnd:$fs, GPR32Opnd:$rs),
710                                        "trunc.w.s\t$fd, $fs, $rs">;
711
712def PseudoTRUNC_W_D32 : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
713                                          (ins AFGR64Opnd:$fs, GPR32Opnd:$rs),
714                                          "trunc.w.d\t$fd, $fs, $rs">,
715                        FGR_32, HARDFLOAT;
716
717def PseudoTRUNC_W_D : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
718                                        (ins FGR64Opnd:$fs, GPR32Opnd:$rs),
719                                        "trunc.w.d\t$fd, $fs, $rs">,
720                      FGR_64, HARDFLOAT;
721
722def LoadImmSingleGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rd),
723                                         (ins imm64:$fpimm),
724                                         "li.s\t$rd, $fpimm">;
725
726def LoadImmSingleFGR : MipsAsmPseudoInst<(outs StrictlyFGR32Opnd:$rd),
727                                         (ins imm64:$fpimm),
728                                         "li.s\t$rd, $fpimm">,
729                       HARDFLOAT;
730
731def LoadImmDoubleGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rd),
732                                         (ins imm64:$fpimm),
733                                         "li.d\t$rd, $fpimm">;
734
735def LoadImmDoubleFGR_32 : MipsAsmPseudoInst<(outs StrictlyAFGR64Opnd:$rd),
736                                            (ins imm64:$fpimm),
737                                            "li.d\t$rd, $fpimm">,
738                          FGR_32, HARDFLOAT;
739
740def LoadImmDoubleFGR : MipsAsmPseudoInst<(outs StrictlyFGR64Opnd:$rd),
741                                         (ins imm64:$fpimm),
742                                         "li.d\t$rd, $fpimm">,
743                       FGR_64, HARDFLOAT;
744
745//===----------------------------------------------------------------------===//
746// InstAliases.
747//===----------------------------------------------------------------------===//
748def : MipsInstAlias
749        <"s.s $fd, $addr", (SWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>,
750      ISA_MIPS2, HARDFLOAT;
751def : MipsInstAlias
752        <"s.d $fd, $addr", (SDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
753      FGR_32, ISA_MIPS2, HARDFLOAT;
754def : MipsInstAlias
755        <"s.d $fd, $addr", (SDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
756      FGR_64, ISA_MIPS2, HARDFLOAT;
757
758def : MipsInstAlias
759        <"l.s $fd, $addr", (LWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>,
760      ISA_MIPS2, HARDFLOAT;
761def : MipsInstAlias
762        <"l.d $fd, $addr", (LDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
763      FGR_32, ISA_MIPS2, HARDFLOAT;
764def : MipsInstAlias
765        <"l.d $fd, $addr", (LDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
766      FGR_64, ISA_MIPS2, HARDFLOAT;
767
768multiclass C_COND_ALIASES<string TypeStr, RegisterOperand RC> {
769  def : MipsInstAlias<!strconcat("c.f.", TypeStr, " $fs, $ft"),
770                      (!cast<Instruction>("C_F_"#NAME) FCC0,
771                                                       RC:$fs, RC:$ft), 1>;
772  def : MipsInstAlias<!strconcat("c.un.", TypeStr, " $fs, $ft"),
773                      (!cast<Instruction>("C_UN_"#NAME) FCC0,
774                                                        RC:$fs, RC:$ft), 1>;
775  def : MipsInstAlias<!strconcat("c.eq.", TypeStr, " $fs, $ft"),
776                      (!cast<Instruction>("C_EQ_"#NAME) FCC0,
777                                                        RC:$fs, RC:$ft), 1>;
778  def : MipsInstAlias<!strconcat("c.ueq.", TypeStr, " $fs, $ft"),
779                      (!cast<Instruction>("C_UEQ_"#NAME) FCC0,
780                                                         RC:$fs, RC:$ft), 1>;
781  def : MipsInstAlias<!strconcat("c.olt.", TypeStr, " $fs, $ft"),
782                      (!cast<Instruction>("C_OLT_"#NAME) FCC0,
783                                                         RC:$fs, RC:$ft), 1>;
784  def : MipsInstAlias<!strconcat("c.ult.", TypeStr, " $fs, $ft"),
785                      (!cast<Instruction>("C_ULT_"#NAME) FCC0,
786                                                         RC:$fs, RC:$ft), 1>;
787  def : MipsInstAlias<!strconcat("c.ole.", TypeStr, " $fs, $ft"),
788                      (!cast<Instruction>("C_OLE_"#NAME) FCC0,
789                                                         RC:$fs, RC:$ft), 1>;
790  def : MipsInstAlias<!strconcat("c.ule.", TypeStr, " $fs, $ft"),
791                      (!cast<Instruction>("C_ULE_"#NAME) FCC0,
792                                                         RC:$fs, RC:$ft), 1>;
793  def : MipsInstAlias<!strconcat("c.sf.", TypeStr, " $fs, $ft"),
794                      (!cast<Instruction>("C_SF_"#NAME) FCC0,
795                                                        RC:$fs, RC:$ft), 1>;
796  def : MipsInstAlias<!strconcat("c.ngle.", TypeStr, " $fs, $ft"),
797                      (!cast<Instruction>("C_NGLE_"#NAME) FCC0,
798                                                          RC:$fs, RC:$ft), 1>;
799  def : MipsInstAlias<!strconcat("c.seq.", TypeStr, " $fs, $ft"),
800                      (!cast<Instruction>("C_SEQ_"#NAME) FCC0,
801                                                         RC:$fs, RC:$ft), 1>;
802  def : MipsInstAlias<!strconcat("c.ngl.", TypeStr, " $fs, $ft"),
803                      (!cast<Instruction>("C_NGL_"#NAME) FCC0,
804                                                         RC:$fs, RC:$ft), 1>;
805  def : MipsInstAlias<!strconcat("c.lt.", TypeStr, " $fs, $ft"),
806                      (!cast<Instruction>("C_LT_"#NAME) FCC0,
807                                                        RC:$fs, RC:$ft), 1>;
808  def : MipsInstAlias<!strconcat("c.nge.", TypeStr, " $fs, $ft"),
809                      (!cast<Instruction>("C_NGE_"#NAME) FCC0,
810                                                         RC:$fs, RC:$ft), 1>;
811  def : MipsInstAlias<!strconcat("c.le.", TypeStr, " $fs, $ft"),
812                      (!cast<Instruction>("C_LE_"#NAME) FCC0,
813                                                        RC:$fs, RC:$ft), 1>;
814  def : MipsInstAlias<!strconcat("c.ngt.", TypeStr, " $fs, $ft"),
815                      (!cast<Instruction>("C_NGT_"#NAME) FCC0,
816                                                         RC:$fs, RC:$ft), 1>;
817}
818
819multiclass BC1_ALIASES<Instruction BCTrue, string BCTrueString,
820                       Instruction BCFalse, string BCFalseString> {
821  def : MipsInstAlias<!strconcat(BCTrueString, " $offset"),
822                                (BCTrue FCC0, brtarget:$offset), 1>;
823
824  def : MipsInstAlias<!strconcat(BCFalseString, " $offset"),
825                                (BCFalse FCC0, brtarget:$offset), 1>;
826}
827
828let AdditionalPredicates = [NotInMicroMips] in {
829  defm S   : C_COND_ALIASES<"s", FGR32Opnd>, HARDFLOAT,
830             ISA_MIPS1_NOT_32R6_64R6;
831  defm D32 : C_COND_ALIASES<"d", AFGR64Opnd>, HARDFLOAT,
832             ISA_MIPS1_NOT_32R6_64R6, FGR_32;
833  defm D64 : C_COND_ALIASES<"d", FGR64Opnd>, HARDFLOAT,
834             ISA_MIPS1_NOT_32R6_64R6, FGR_64;
835
836  defm : BC1_ALIASES<BC1T, "bc1t", BC1F, "bc1f">, ISA_MIPS1_NOT_32R6_64R6,
837         HARDFLOAT;
838  defm : BC1_ALIASES<BC1TL, "bc1tl", BC1FL, "bc1fl">, ISA_MIPS2_NOT_32R6_64R6,
839         HARDFLOAT;
840}
841//===----------------------------------------------------------------------===//
842// Floating Point Patterns
843//===----------------------------------------------------------------------===//
844def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>;
845def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
846
847def : MipsPat<(f32 (sint_to_fp GPR32Opnd:$src)),
848              (PseudoCVT_S_W GPR32Opnd:$src)>;
849def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
850              (TRUNC_W_S FGR32Opnd:$src)>;
851
852def : MipsPat<(MipsMTC1_D64 GPR32Opnd:$src),
853              (MTC1_D64 GPR32Opnd:$src)>, FGR_64;
854
855def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
856              (PseudoCVT_D32_W GPR32Opnd:$src)>, FGR_32;
857def : MipsPat<(MipsTruncIntFP AFGR64Opnd:$src),
858              (TRUNC_W_D32 AFGR64Opnd:$src)>, FGR_32;
859def : MipsPat<(f32 (fpround AFGR64Opnd:$src)),
860              (CVT_S_D32 AFGR64Opnd:$src)>, FGR_32;
861def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
862              (CVT_D32_S FGR32Opnd:$src)>, FGR_32;
863
864def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>, FGR_64;
865def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>, FGR_64;
866
867def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
868              (PseudoCVT_D64_W GPR32Opnd:$src)>, FGR_64;
869def : MipsPat<(f32 (sint_to_fp GPR64Opnd:$src)),
870              (EXTRACT_SUBREG (PseudoCVT_S_L GPR64Opnd:$src), sub_lo)>, FGR_64;
871def : MipsPat<(f64 (sint_to_fp GPR64Opnd:$src)),
872              (PseudoCVT_D64_L GPR64Opnd:$src)>, FGR_64;
873
874def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
875              (TRUNC_W_D64 FGR64Opnd:$src)>, FGR_64;
876def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
877              (TRUNC_L_S FGR32Opnd:$src)>, FGR_64;
878def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
879              (TRUNC_L_D64 FGR64Opnd:$src)>, FGR_64;
880
881def : MipsPat<(f32 (fpround FGR64Opnd:$src)),
882              (CVT_S_D64 FGR64Opnd:$src)>, FGR_64;
883def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
884              (CVT_D64_S FGR32Opnd:$src)>, FGR_64;
885
886// To generate NMADD and NMSUB instructions when fneg node is present
887multiclass NMADD_NMSUB<Instruction Nmadd, Instruction Nmsub, RegisterOperand RC> {
888  def : MipsPat<(fneg (fadd (fmul RC:$fs, RC:$ft), RC:$fr)),
889                (Nmadd RC:$fr, RC:$fs, RC:$ft)>;
890  def : MipsPat<(fneg (fsub (fmul RC:$fs, RC:$ft), RC:$fr)),
891                (Nmsub RC:$fr, RC:$fs, RC:$ft)>;
892}
893
894let AdditionalPredicates = [NoNaNsFPMath, HasMadd4, NotInMicroMips] in {
895  defm : NMADD_NMSUB<NMADD_S, NMSUB_S, FGR32Opnd>, INSN_MIPS4_32R2_NOT_32R6_64R6;
896  defm : NMADD_NMSUB<NMADD_D32, NMSUB_D32, AFGR64Opnd>, FGR_32, INSN_MIPS4_32R2_NOT_32R6_64R6;
897  defm : NMADD_NMSUB<NMADD_D64, NMSUB_D64, FGR64Opnd>, FGR_64, INSN_MIPS4_32R2_NOT_32R6_64R6;
898}
899
900// Patterns for loads/stores with a reg+imm operand.
901let AdditionalPredicates = [NotInMicroMips] in {
902  let AddedComplexity = 40 in {
903    def : LoadRegImmPat<LWC1, f32, load>;
904    def : StoreRegImmPat<SWC1, f32>;
905
906    def : LoadRegImmPat<LDC164, f64, load>, FGR_64;
907    def : StoreRegImmPat<SDC164, f64>, FGR_64;
908
909    def : LoadRegImmPat<LDC1, f64, load>, FGR_32;
910    def : StoreRegImmPat<SDC1, f64>, FGR_32;
911  }
912}
913