1 //===-- MipsInstrFPU.td - Mips FPU Instruction Information -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the Mips FPU instruction set.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // Floating Point Instructions
16 // ------------------------
18 // - 32 64-bit registers (default mode)
19 // - 16 even 32-bit registers (32-bit compatible mode) for
20 // single and double access.
22 // - 16 even 32-bit registers - single and double (aliased)
23 // - 32 32-bit registers (within single-only mode)
24 //===----------------------------------------------------------------------===//
26 // Floating Point Compare and Branch
27 def SDT_MipsFPBrcond : SDTypeProfile<0, 3, [SDTCisInt<0>,
29 SDTCisVT<2, OtherVT>]>;
30 def SDT_MipsFPCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>, SDTCisFP<1>,
32 def SDT_MipsCMovFP : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisVT<2, i32>,
34 def SDT_MipsTruncIntFP : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisFP<1>]>;
35 def SDT_MipsBuildPairF64 : SDTypeProfile<1, 2, [SDTCisVT<0, f64>,
38 def SDT_MipsExtractElementF64 : SDTypeProfile<1, 2, [SDTCisVT<0, i32>,
42 def SDT_MipsMTC1_D64 : SDTypeProfile<1, 1, [SDTCisVT<0, f64>,
45 def MipsFPCmp : SDNode<"MipsISD::FPCmp", SDT_MipsFPCmp, [SDNPOutGlue]>;
46 def MipsCMovFP_T : SDNode<"MipsISD::CMovFP_T", SDT_MipsCMovFP, [SDNPInGlue]>;
47 def MipsCMovFP_F : SDNode<"MipsISD::CMovFP_F", SDT_MipsCMovFP, [SDNPInGlue]>;
48 def MipsFPBrcond : SDNode<"MipsISD::FPBrcond", SDT_MipsFPBrcond,
49 [SDNPHasChain, SDNPOptInGlue]>;
50 def MipsTruncIntFP : SDNode<"MipsISD::TruncIntFP", SDT_MipsTruncIntFP>;
51 def MipsBuildPairF64 : SDNode<"MipsISD::BuildPairF64", SDT_MipsBuildPairF64>;
52 def MipsExtractElementF64 : SDNode<"MipsISD::ExtractElementF64",
53 SDT_MipsExtractElementF64>;
55 def MipsMTC1_D64 : SDNode<"MipsISD::MTC1_D64", SDT_MipsMTC1_D64>;
57 // Operand for printing out a condition code.
58 let PrintMethod = "printFCCOperand", DecoderMethod = "DecodeCondCode" in
59 def condcode : Operand<i32>;
61 //===----------------------------------------------------------------------===//
62 // Feature predicates.
63 //===----------------------------------------------------------------------===//
65 def IsFP64bit : Predicate<"Subtarget->isFP64bit()">,
66 AssemblerPredicate<"FeatureFP64Bit">;
67 def NotFP64bit : Predicate<"!Subtarget->isFP64bit()">,
68 AssemblerPredicate<"!FeatureFP64Bit">;
69 def IsSingleFloat : Predicate<"Subtarget->isSingleFloat()">,
70 AssemblerPredicate<"FeatureSingleFloat">;
71 def IsNotSingleFloat : Predicate<"!Subtarget->isSingleFloat()">,
72 AssemblerPredicate<"!FeatureSingleFloat">;
73 def IsNotSoftFloat : Predicate<"!Subtarget->useSoftFloat()">,
74 AssemblerPredicate<"!FeatureSoftFloat">;
76 //===----------------------------------------------------------------------===//
77 // Mips FGR size adjectives.
78 // They are mutually exclusive.
79 //===----------------------------------------------------------------------===//
81 class FGR_32 { list<Predicate> FGRPredicates = [NotFP64bit]; }
82 class FGR_64 { list<Predicate> FGRPredicates = [IsFP64bit]; }
83 class HARDFLOAT { list<Predicate> HardFloatPredicate = [IsNotSoftFloat]; }
85 //===----------------------------------------------------------------------===//
87 // FP immediate patterns.
88 def fpimm0 : PatLeaf<(fpimm), [{
89 return N->isExactlyValue(+0.0);
92 def fpimm0neg : PatLeaf<(fpimm), [{
93 return N->isExactlyValue(-0.0);
96 //===----------------------------------------------------------------------===//
97 // Instruction Class Templates
99 // A set of multiclasses is used to address the register usage.
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)
107 // Only S32 and D32 are supported right now.
108 //===----------------------------------------------------------------------===//
109 class 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>,
115 let isCommutable = IsComm;
118 multiclass 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";
126 class 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:$fs))], Itin, FrmFR, opstr>,
133 multiclass ABSS_M<string opstr, InstrItinClass Itin,
134 SDPatternOperator OpNode= null_frag> {
135 def _D32 : MMRel, ABSS_FT<opstr, AFGR64Opnd, AFGR64Opnd, Itin, OpNode>,
137 def _D64 : ABSS_FT<opstr, FGR64Opnd, FGR64Opnd, Itin, OpNode>, FGR_64 {
138 string DecoderNamespace = "MipsFP64";
142 multiclass ROUND_M<string opstr, InstrItinClass Itin> {
143 def _D32 : MMRel, ABSS_FT<opstr, FGR32Opnd, AFGR64Opnd, Itin>, FGR_32;
144 def _D64 : StdMMR6Rel, ABSS_FT<opstr, FGR32Opnd, FGR64Opnd, Itin>, FGR_64 {
145 let DecoderNamespace = "MipsFP64";
149 class MFC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
150 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
151 InstSE<(outs DstRC:$rt), (ins SrcRC:$fs), !strconcat(opstr, "\t$rt, $fs"),
152 [(set DstRC:$rt, (OpNode SrcRC:$fs))], Itin, FrmFR, opstr>, HARDFLOAT;
154 class MTC1_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
155 InstrItinClass Itin, SDPatternOperator OpNode= null_frag> :
156 InstSE<(outs DstRC:$fs), (ins SrcRC:$rt), !strconcat(opstr, "\t$rt, $fs"),
157 [(set DstRC:$fs, (OpNode SrcRC:$rt))], Itin, FrmFR, opstr>, HARDFLOAT;
159 class MTC1_64_FT<string opstr, RegisterOperand DstRC, RegisterOperand SrcRC,
160 InstrItinClass Itin> :
161 InstSE<(outs DstRC:$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 = $fs_in";
168 class LW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
169 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
170 InstSE<(outs RC:$rt), (ins MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
171 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr>,
173 let DecoderMethod = "DecodeFMem";
177 class SW_FT<string opstr, RegisterOperand RC, DAGOperand MO,
178 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
179 InstSE<(outs), (ins RC:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
180 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr>, HARDFLOAT {
181 let DecoderMethod = "DecodeFMem";
185 class MADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
186 SDPatternOperator OpNode = null_frag> :
187 InstSE<(outs RC:$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:$fr))], Itin,
190 FrmFR, opstr>, HARDFLOAT;
192 class NMADDS_FT<string opstr, RegisterOperand RC, InstrItinClass Itin,
193 SDPatternOperator OpNode = null_frag> :
194 InstSE<(outs RC:$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:$fr)))],
197 Itin, FrmFR, opstr>, HARDFLOAT;
199 class LWXC1_FT<string opstr, RegisterOperand DRC,
200 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
201 InstSE<(outs DRC:$fd), (ins PtrRC:$base, PtrRC:$index),
202 !strconcat(opstr, "\t$fd, ${index}(${base})"),
203 [(set DRC:$fd, (OpNode (add iPTR:$base, iPTR:$index)))], Itin,
204 FrmFI, opstr>, HARDFLOAT {
205 let AddedComplexity = 20;
208 class SWXC1_FT<string opstr, RegisterOperand DRC,
209 InstrItinClass Itin, SDPatternOperator OpNode = null_frag> :
210 InstSE<(outs), (ins DRC:$fs, PtrRC:$base, PtrRC:$index),
211 !strconcat(opstr, "\t$fs, ${index}(${base})"),
212 [(OpNode DRC:$fs, (add iPTR:$base, iPTR:$index))], Itin,
213 FrmFI, opstr>, HARDFLOAT {
214 let AddedComplexity = 20;
217 class BC1F_FT<string opstr, DAGOperand opnd, InstrItinClass Itin,
218 SDPatternOperator Op = null_frag> :
219 InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset),
220 !strconcat(opstr, "\t$fcc, $offset"),
221 [(MipsFPBrcond Op, FCCRegsOpnd:$fcc, bb:$offset)], Itin,
222 FrmFI, opstr>, HARDFLOAT {
224 let isTerminator = 1;
225 let hasDelaySlot = 1;
227 let hasFCCRegOperand = 1;
230 class BC1XL_FT<string opstr, DAGOperand opnd, InstrItinClass Itin> :
231 InstSE<(outs), (ins FCCRegsOpnd:$fcc, opnd:$offset),
232 !strconcat(opstr, "\t$fcc, $offset"), [], Itin,
233 FrmFI, opstr>, HARDFLOAT {
235 let isTerminator = 1;
236 let hasDelaySlot = 1;
238 let hasFCCRegOperand = 1;
241 class CEQS_FT<string typestr, RegisterClass RC, InstrItinClass Itin,
242 SDPatternOperator OpNode = null_frag> :
243 InstSE<(outs), (ins RC:$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 {
248 let isCodeGenOnly = 1;
249 let hasFCCRegOperand = 1;
253 // Note: MIPS-IV introduced $fcc1-$fcc7 and renamed FCSR31[23] $fcc0. Rather
254 // duplicating the instruction definition for MIPS1 - MIPS3, we expand
255 // c.cond.ft if necessary, and reject it after constructing the
256 // instruction if the ISA doesn't support it.
257 class C_COND_FT<string CondStr, string Typestr, RegisterOperand RC,
258 InstrItinClass itin> :
259 InstSE<(outs FCCRegsOpnd:$fcc), (ins RC:$fs, RC:$ft),
260 !strconcat("c.", CondStr, ".", Typestr, "\t$fcc, $fs, $ft"), [], itin,
263 let hasFCCRegOperand = 1;
267 multiclass 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>,
271 let BaseOpcode = "c.f."#NAME;
272 let isCommutable = 1;
274 def C_UN_#NAME : MMRel, C_COND_FT<"un", TypeStr, RC, itin>,
276 let BaseOpcode = "c.un."#NAME;
277 let isCommutable = 1;
279 def C_EQ_#NAME : MMRel, C_COND_FT<"eq", TypeStr, RC, itin>,
281 let BaseOpcode = "c.eq."#NAME;
282 let isCommutable = 1;
284 def C_UEQ_#NAME : MMRel, C_COND_FT<"ueq", TypeStr, RC, itin>,
286 let BaseOpcode = "c.ueq."#NAME;
287 let isCommutable = 1;
289 def C_OLT_#NAME : MMRel, C_COND_FT<"olt", TypeStr, RC, itin>,
291 let BaseOpcode = "c.olt."#NAME;
293 def C_ULT_#NAME : MMRel, C_COND_FT<"ult", TypeStr, RC, itin>,
295 let BaseOpcode = "c.ult."#NAME;
297 def C_OLE_#NAME : MMRel, C_COND_FT<"ole", TypeStr, RC, itin>,
299 let BaseOpcode = "c.ole."#NAME;
301 def C_ULE_#NAME : MMRel, C_COND_FT<"ule", TypeStr, RC, itin>,
303 let BaseOpcode = "c.ule."#NAME;
305 def C_SF_#NAME : MMRel, C_COND_FT<"sf", TypeStr, RC, itin>,
307 let BaseOpcode = "c.sf."#NAME;
308 let isCommutable = 1;
310 def C_NGLE_#NAME : MMRel, C_COND_FT<"ngle", TypeStr, RC, itin>,
312 let BaseOpcode = "c.ngle."#NAME;
314 def C_SEQ_#NAME : MMRel, C_COND_FT<"seq", TypeStr, RC, itin>,
316 let BaseOpcode = "c.seq."#NAME;
317 let isCommutable = 1;
319 def C_NGL_#NAME : MMRel, C_COND_FT<"ngl", TypeStr, RC, itin>,
321 let BaseOpcode = "c.ngl."#NAME;
323 def C_LT_#NAME : MMRel, C_COND_FT<"lt", TypeStr, RC, itin>,
325 let BaseOpcode = "c.lt."#NAME;
327 def C_NGE_#NAME : MMRel, C_COND_FT<"nge", TypeStr, RC, itin>,
329 let BaseOpcode = "c.nge."#NAME;
331 def C_LE_#NAME : MMRel, C_COND_FT<"le", TypeStr, RC, itin>,
333 let BaseOpcode = "c.le."#NAME;
335 def C_NGT_#NAME : MMRel, C_COND_FT<"ngt", TypeStr, RC, itin>,
337 let BaseOpcode = "c.ngt."#NAME;
341 let AdditionalPredicates = [NotInMicroMips] in {
342 defm S : C_COND_M<"s", FGR32Opnd, 16, II_C_CC_S>, ISA_MIPS1_NOT_32R6_64R6;
343 defm D32 : C_COND_M<"d", AFGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
345 let DecoderNamespace = "MipsFP64" in
346 defm D64 : C_COND_M<"d", FGR64Opnd, 17, II_C_CC_D>, ISA_MIPS1_NOT_32R6_64R6,
349 //===----------------------------------------------------------------------===//
350 // Floating Point Instructions
351 //===----------------------------------------------------------------------===//
352 def ROUND_W_S : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd, II_ROUND>,
353 ABSS_FM<0xc, 16>, ISA_MIPS2;
354 defm ROUND_W : ROUND_M<"round.w.d", II_ROUND>, ABSS_FM<0xc, 17>, ISA_MIPS2;
355 def TRUNC_W_S : MMRel, StdMMR6Rel, ABSS_FT<"trunc.w.s", FGR32Opnd, FGR32Opnd, II_TRUNC>,
356 ABSS_FM<0xd, 16>, ISA_MIPS2;
357 def CEIL_W_S : MMRel, StdMMR6Rel, ABSS_FT<"ceil.w.s", FGR32Opnd, FGR32Opnd, II_CEIL>,
358 ABSS_FM<0xe, 16>, ISA_MIPS2;
359 def FLOOR_W_S : MMRel, StdMMR6Rel, ABSS_FT<"floor.w.s", FGR32Opnd, FGR32Opnd, II_FLOOR>,
360 ABSS_FM<0xf, 16>, ISA_MIPS2;
361 def CVT_W_S : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
364 defm TRUNC_W : ROUND_M<"trunc.w.d", II_TRUNC>, ABSS_FM<0xd, 17>, ISA_MIPS2;
365 defm CEIL_W : ROUND_M<"ceil.w.d", II_CEIL>, ABSS_FM<0xe, 17>, ISA_MIPS2;
366 defm FLOOR_W : ROUND_M<"floor.w.d", II_FLOOR>, ABSS_FM<0xf, 17>, ISA_MIPS2;
367 defm CVT_W : ROUND_M<"cvt.w.d", II_CVT>, ABSS_FM<0x24, 17>;
369 let 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";
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";
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;
391 let 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;
412 def CVT_S_W : MMRel, ABSS_FT<"cvt.s.w", FGR32Opnd, FGR32Opnd, II_CVT>,
414 let 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;
421 def CVT_S_D32 : MMRel, ABSS_FT<"cvt.s.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
422 ABSS_FM<0x20, 17>, FGR_32;
423 def CVT_D32_W : MMRel, ABSS_FT<"cvt.d.w", AFGR64Opnd, FGR32Opnd, II_CVT>,
424 ABSS_FM<0x21, 20>, FGR_32;
425 def CVT_D32_S : MMRel, ABSS_FT<"cvt.d.s", AFGR64Opnd, FGR32Opnd, II_CVT>,
426 ABSS_FM<0x21, 16>, FGR_32;
428 let 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;
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;
443 let 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>;
451 let AdditionalPredicates = [NotInMicroMips] in {
452 def FABS_S : MMRel, ABSS_FT<"abs.s", FGR32Opnd, FGR32Opnd, II_ABS, fabs>,
454 defm FABS : ABSS_M<"abs.d", II_ABS, fabs>, ABSS_FM<0x5, 17>;
457 def FNEG_S : MMRel, ABSS_FT<"neg.s", FGR32Opnd, FGR32Opnd, II_NEG, fneg>,
459 defm FNEG : ABSS_M<"neg.d", II_NEG, fneg>, ABSS_FM<0x7, 17>;
461 def FSQRT_S : MMRel, StdMMR6Rel, ABSS_FT<"sqrt.s", FGR32Opnd, FGR32Opnd,
462 II_SQRT_S, fsqrt>, ABSS_FM<0x4, 16>, ISA_MIPS2;
463 defm FSQRT : ABSS_M<"sqrt.d", II_SQRT_D, fsqrt>, ABSS_FM<0x4, 17>, ISA_MIPS2;
465 // The odd-numbered registers are only referenced when doing loads,
466 // stores, and moves between floating-point and integer registers.
467 // When defining instructions, we reference all 32-bit registers,
468 // regardless of register aliasing.
470 /// Move Control Registers From/To CPU Registers
471 let AdditionalPredicates = [NotInMicroMips] in {
472 def CFC1 : MMRel, MFC1_FT<"cfc1", GPR32Opnd, CCROpnd, II_CFC1>, MFC1_FM<2>;
473 def CTC1 : MMRel, MTC1_FT<"ctc1", CCROpnd, GPR32Opnd, II_CTC1>, MFC1_FM<6>;
475 def MFC1 : MMRel, MFC1_FT<"mfc1", GPR32Opnd, FGR32Opnd, II_MFC1,
476 bitconvert>, MFC1_FM<0>;
477 def MFC1_D64 : MFC1_FT<"mfc1", GPR32Opnd, FGR64Opnd, II_MFC1>, MFC1_FM<0>,
479 let DecoderNamespace = "MipsFP64";
481 def MTC1 : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd, II_MTC1,
482 bitconvert>, MFC1_FM<4>;
483 def MTC1_D64 : MTC1_FT<"mtc1", FGR64Opnd, GPR32Opnd, II_MTC1>, MFC1_FM<4>,
485 let DecoderNamespace = "MipsFP64";
488 let AdditionalPredicates = [NotInMicroMips] in {
489 def MFHC1_D32 : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, AFGR64Opnd, II_MFHC1>,
490 MFC1_FM<3>, ISA_MIPS32R2, FGR_32;
491 def MFHC1_D64 : MFC1_FT<"mfhc1", GPR32Opnd, FGR64Opnd, II_MFHC1>,
492 MFC1_FM<3>, ISA_MIPS32R2, FGR_64 {
493 let DecoderNamespace = "MipsFP64";
496 let AdditionalPredicates = [NotInMicroMips] in {
497 def MTHC1_D32 : MMRel, StdMMR6Rel, MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>,
498 MFC1_FM<7>, ISA_MIPS32R2, FGR_32;
499 def MTHC1_D64 : MTC1_64_FT<"mthc1", FGR64Opnd, GPR32Opnd, II_MTHC1>,
500 MFC1_FM<7>, ISA_MIPS32R2, FGR_64 {
501 let DecoderNamespace = "MipsFP64";
504 let AdditionalPredicates = [NotInMicroMips] in {
505 def DMTC1 : MTC1_FT<"dmtc1", FGR64Opnd, GPR64Opnd, II_DMTC1,
506 bitconvert>, MFC1_FM<5>, ISA_MIPS3;
507 def DMFC1 : MFC1_FT<"dmfc1", GPR64Opnd, FGR64Opnd, II_DMFC1,
508 bitconvert>, MFC1_FM<1>, ISA_MIPS3;
511 def FMOV_S : MMRel, ABSS_FT<"mov.s", FGR32Opnd, FGR32Opnd, II_MOV_S>,
513 def FMOV_D32 : MMRel, ABSS_FT<"mov.d", AFGR64Opnd, AFGR64Opnd, II_MOV_D>,
514 ABSS_FM<0x6, 17>, FGR_32;
515 def FMOV_D64 : ABSS_FT<"mov.d", FGR64Opnd, FGR64Opnd, II_MOV_D>,
516 ABSS_FM<0x6, 17>, FGR_64 {
517 let DecoderNamespace = "MipsFP64";
520 /// Floating Point Memory Instructions
521 let AdditionalPredicates = [NotInMicroMips] in {
522 def LWC1 : MMRel, LW_FT<"lwc1", FGR32Opnd, mem_simm16, II_LWC1, load>,
524 def SWC1 : MMRel, SW_FT<"swc1", FGR32Opnd, mem_simm16, II_SWC1, store>,
528 let DecoderNamespace = "MipsFP64", AdditionalPredicates = [NotInMicroMips] in {
529 def LDC164 : StdMMR6Rel, LW_FT<"ldc1", FGR64Opnd, mem_simm16, II_LDC1, load>,
530 LW_FM<0x35>, ISA_MIPS2, FGR_64 {
531 let BaseOpcode = "LDC164";
533 def SDC164 : StdMMR6Rel, SW_FT<"sdc1", FGR64Opnd, mem_simm16, II_SDC1, store>,
534 LW_FM<0x3d>, ISA_MIPS2, FGR_64;
537 let AdditionalPredicates = [NotInMicroMips] in {
538 def LDC1 : MMRel, StdMMR6Rel, LW_FT<"ldc1", AFGR64Opnd, mem_simm16, II_LDC1,
539 load>, LW_FM<0x35>, ISA_MIPS2, FGR_32 {
540 let BaseOpcode = "LDC132";
542 def SDC1 : MMRel, SW_FT<"sdc1", AFGR64Opnd, mem_simm16, II_SDC1, store>,
543 LW_FM<0x3d>, ISA_MIPS2, FGR_32;
546 // Indexed loads and stores.
547 // Base register + offset register addressing mode (indicated by "x" in the
548 // instruction mnemonic) is disallowed under NaCl.
549 let AdditionalPredicates = [IsNotNaCl] in {
550 def LWXC1 : MMRel, LWXC1_FT<"lwxc1", FGR32Opnd, II_LWXC1, load>, LWXC1_FM<0>,
551 INSN_MIPS4_32R2_NOT_32R6_64R6;
552 def SWXC1 : MMRel, SWXC1_FT<"swxc1", FGR32Opnd, II_SWXC1, store>, SWXC1_FM<8>,
553 INSN_MIPS4_32R2_NOT_32R6_64R6;
556 let AdditionalPredicates = [NotInMicroMips, IsNotNaCl] in {
557 def LDXC1 : LWXC1_FT<"ldxc1", AFGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
558 INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
559 def SDXC1 : SWXC1_FT<"sdxc1", AFGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
560 INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
563 let DecoderNamespace="MipsFP64" in {
564 def LDXC164 : LWXC1_FT<"ldxc1", FGR64Opnd, II_LDXC1, load>, LWXC1_FM<1>,
565 INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
566 def SDXC164 : SWXC1_FT<"sdxc1", FGR64Opnd, II_SDXC1, store>, SWXC1_FM<9>,
567 INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
570 // Load/store doubleword indexed unaligned.
571 // FIXME: This instruction should not be defined for FGR_32.
572 let AdditionalPredicates = [IsNotNaCl] in {
573 def LUXC1 : MMRel, LWXC1_FT<"luxc1", AFGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
574 INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
575 def SUXC1 : MMRel, SWXC1_FT<"suxc1", AFGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
576 INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_32;
579 let DecoderNamespace="MipsFP64" in {
580 def LUXC164 : LWXC1_FT<"luxc1", FGR64Opnd, II_LUXC1>, LWXC1_FM<0x5>,
581 INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
582 def SUXC164 : SWXC1_FT<"suxc1", FGR64Opnd, II_SUXC1>, SWXC1_FM<0xd>,
583 INSN_MIPS5_32R2_NOT_32R6_64R6, FGR_64;
586 /// Floating-point Aritmetic
587 def FADD_S : MMRel, ADDS_FT<"add.s", FGR32Opnd, II_ADD_S, 1, fadd>,
589 defm FADD : ADDS_M<"add.d", II_ADD_D, 1, fadd>, ADDS_FM<0x00, 17>;
590 def FDIV_S : MMRel, ADDS_FT<"div.s", FGR32Opnd, II_DIV_S, 0, fdiv>,
592 defm FDIV : ADDS_M<"div.d", II_DIV_D, 0, fdiv>, ADDS_FM<0x03, 17>;
593 def FMUL_S : MMRel, ADDS_FT<"mul.s", FGR32Opnd, II_MUL_S, 1, fmul>,
595 defm FMUL : ADDS_M<"mul.d", II_MUL_D, 1, fmul>, ADDS_FM<0x02, 17>;
596 def FSUB_S : MMRel, ADDS_FT<"sub.s", FGR32Opnd, II_SUB_S, 0, fsub>,
598 defm FSUB : ADDS_M<"sub.d", II_SUB_D, 0, fsub>, ADDS_FM<0x01, 17>;
600 def MADD_S : MMRel, MADDS_FT<"madd.s", FGR32Opnd, II_MADD_S, fadd>,
601 MADDS_FM<4, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4;
602 def MSUB_S : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>,
603 MADDS_FM<5, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6, MADD4;
605 let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] in {
606 def NMADD_S : MMRel, NMADDS_FT<"nmadd.s", FGR32Opnd, II_NMADD_S, fadd>,
607 MADDS_FM<6, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
608 def NMSUB_S : MMRel, NMADDS_FT<"nmsub.s", FGR32Opnd, II_NMSUB_S, fsub>,
609 MADDS_FM<7, 0>, INSN_MIPS4_32R2_NOT_32R6_64R6;
612 def MADD_D32 : MMRel, MADDS_FT<"madd.d", AFGR64Opnd, II_MADD_D, fadd>,
613 MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4;
614 def MSUB_D32 : MMRel, MADDS_FT<"msub.d", AFGR64Opnd, II_MSUB_D, fsub>,
615 MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32, MADD4;
617 let AdditionalPredicates = [NoNaNsFPMath, HasMadd4] in {
618 def NMADD_D32 : MMRel, NMADDS_FT<"nmadd.d", AFGR64Opnd, II_NMADD_D, fadd>,
619 MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
620 def NMSUB_D32 : MMRel, NMADDS_FT<"nmsub.d", AFGR64Opnd, II_NMSUB_D, fsub>,
621 MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_32;
624 let DecoderNamespace = "MipsFP64" in {
625 def MADD_D64 : MADDS_FT<"madd.d", FGR64Opnd, II_MADD_D, fadd>,
626 MADDS_FM<4, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4;
627 def MSUB_D64 : MADDS_FT<"msub.d", FGR64Opnd, II_MSUB_D, fsub>,
628 MADDS_FM<5, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64, MADD4;
631 let AdditionalPredicates = [NoNaNsFPMath, HasMadd4],
632 DecoderNamespace = "MipsFP64" in {
633 def NMADD_D64 : NMADDS_FT<"nmadd.d", FGR64Opnd, II_NMADD_D, fadd>,
634 MADDS_FM<6, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
635 def NMSUB_D64 : NMADDS_FT<"nmsub.d", FGR64Opnd, II_NMSUB_D, fsub>,
636 MADDS_FM<7, 1>, INSN_MIPS4_32R2_NOT_32R6_64R6, FGR_64;
639 //===----------------------------------------------------------------------===//
640 // Floating Point Branch Codes
641 //===----------------------------------------------------------------------===//
642 // Mips branch codes. These correspond to condcode in MipsInstrInfo.h.
643 // They must be kept in synch.
644 def MIPS_BRANCH_F : PatLeaf<(i32 0)>;
645 def MIPS_BRANCH_T : PatLeaf<(i32 1)>;
647 let AdditionalPredicates = [NotInMicroMips] in {
648 def BC1F : MMRel, BC1F_FT<"bc1f", brtarget, II_BC1F, MIPS_BRANCH_F>,
649 BC1F_FM<0, 0>, ISA_MIPS1_NOT_32R6_64R6;
650 def BC1FL : MMRel, BC1XL_FT<"bc1fl", brtarget, II_BC1FL>,
651 BC1F_FM<1, 0>, ISA_MIPS2_NOT_32R6_64R6;
652 def BC1T : MMRel, BC1F_FT<"bc1t", brtarget, II_BC1T, MIPS_BRANCH_T>,
653 BC1F_FM<0, 1>, ISA_MIPS1_NOT_32R6_64R6;
654 def BC1TL : MMRel, BC1XL_FT<"bc1tl", brtarget, II_BC1TL>,
655 BC1F_FM<1, 1>, ISA_MIPS2_NOT_32R6_64R6;
657 /// Floating Point Compare
658 def FCMP_S32 : MMRel, CEQS_FT<"s", FGR32, II_C_CC_S, MipsFPCmp>, CEQS_FM<16>,
659 ISA_MIPS1_NOT_32R6_64R6 {
661 // FIXME: This is a required to work around the fact that these instructions
662 // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
663 // fcc register set is used directly.
666 def FCMP_D32 : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>,
667 ISA_MIPS1_NOT_32R6_64R6, FGR_32 {
668 // FIXME: This is a required to work around the fact that these instructions
669 // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
670 // fcc register set is used directly.
674 let DecoderNamespace = "MipsFP64" in
675 def FCMP_D64 : CEQS_FT<"d", FGR64, II_C_CC_D, MipsFPCmp>, CEQS_FM<17>,
676 ISA_MIPS1_NOT_32R6_64R6, FGR_64 {
677 // FIXME: This is a required to work around the fact that thiese instructions
678 // only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
679 // fcc register set is used directly.
683 //===----------------------------------------------------------------------===//
684 // Floating Point Pseudo-Instructions
685 //===----------------------------------------------------------------------===//
687 // This pseudo instr gets expanded into 2 mtc1 instrs after register
689 class BuildPairF64Base<RegisterOperand RO> :
690 PseudoSE<(outs RO:$dst), (ins GPR32Opnd:$lo, GPR32Opnd:$hi),
691 [(set RO:$dst, (MipsBuildPairF64 GPR32Opnd:$lo, GPR32Opnd:$hi))],
694 def BuildPairF64 : BuildPairF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
695 def BuildPairF64_64 : BuildPairF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
697 // This pseudo instr gets expanded into 2 mfc1 instrs after register
699 // if n is 0, lower part of src is extracted.
700 // if n is 1, higher part of src is extracted.
701 // This node has associated scheduling information as the pre RA scheduler
702 // asserts otherwise.
703 class ExtractElementF64Base<RegisterOperand RO> :
704 PseudoSE<(outs GPR32Opnd:$dst), (ins RO:$src, i32imm:$n),
705 [(set GPR32Opnd:$dst, (MipsExtractElementF64 RO:$src, imm:$n))],
708 def ExtractElementF64 : ExtractElementF64Base<AFGR64Opnd>, FGR_32, HARDFLOAT;
709 def ExtractElementF64_64 : ExtractElementF64Base<FGR64Opnd>, FGR_64, HARDFLOAT;
711 def PseudoTRUNC_W_S : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
712 (ins FGR32Opnd:$fs, GPR32Opnd:$rs),
713 "trunc.w.s\t$fd, $fs, $rs">;
715 def PseudoTRUNC_W_D32 : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
716 (ins AFGR64Opnd:$fs, GPR32Opnd:$rs),
717 "trunc.w.d\t$fd, $fs, $rs">,
720 def PseudoTRUNC_W_D : MipsAsmPseudoInst<(outs FGR32Opnd:$fd),
721 (ins FGR64Opnd:$fs, GPR32Opnd:$rs),
722 "trunc.w.d\t$fd, $fs, $rs">,
725 def LoadImmSingleGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rd),
727 "li.s\t$rd, $fpimm">;
729 def LoadImmSingleFGR : MipsAsmPseudoInst<(outs StrictlyFGR32Opnd:$rd),
731 "li.s\t$rd, $fpimm">,
734 def LoadImmDoubleGPR : MipsAsmPseudoInst<(outs GPR32Opnd:$rd),
736 "li.d\t$rd, $fpimm">;
738 def LoadImmDoubleFGR_32 : MipsAsmPseudoInst<(outs StrictlyAFGR64Opnd:$rd),
740 "li.d\t$rd, $fpimm">,
743 def LoadImmDoubleFGR : MipsAsmPseudoInst<(outs StrictlyFGR64Opnd:$rd),
745 "li.d\t$rd, $fpimm">,
748 //===----------------------------------------------------------------------===//
750 //===----------------------------------------------------------------------===//
752 <"s.s $fd, $addr", (SWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>,
753 ISA_MIPS2, HARDFLOAT;
755 <"s.d $fd, $addr", (SDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
756 FGR_32, ISA_MIPS2, HARDFLOAT;
758 <"s.d $fd, $addr", (SDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
759 FGR_64, ISA_MIPS2, HARDFLOAT;
762 <"l.s $fd, $addr", (LWC1 FGR32Opnd:$fd, mem_simm16:$addr), 0>,
763 ISA_MIPS2, HARDFLOAT;
765 <"l.d $fd, $addr", (LDC1 AFGR64Opnd:$fd, mem_simm16:$addr), 0>,
766 FGR_32, ISA_MIPS2, HARDFLOAT;
768 <"l.d $fd, $addr", (LDC164 FGR64Opnd:$fd, mem_simm16:$addr), 0>,
769 FGR_64, ISA_MIPS2, HARDFLOAT;
771 multiclass C_COND_ALIASES<string TypeStr, RegisterOperand RC> {
772 def : MipsInstAlias<!strconcat("c.f.", TypeStr, " $fs, $ft"),
773 (!cast<Instruction>("C_F_"#NAME) FCC0,
775 def : MipsInstAlias<!strconcat("c.un.", TypeStr, " $fs, $ft"),
776 (!cast<Instruction>("C_UN_"#NAME) FCC0,
778 def : MipsInstAlias<!strconcat("c.eq.", TypeStr, " $fs, $ft"),
779 (!cast<Instruction>("C_EQ_"#NAME) FCC0,
781 def : MipsInstAlias<!strconcat("c.ueq.", TypeStr, " $fs, $ft"),
782 (!cast<Instruction>("C_UEQ_"#NAME) FCC0,
784 def : MipsInstAlias<!strconcat("c.olt.", TypeStr, " $fs, $ft"),
785 (!cast<Instruction>("C_OLT_"#NAME) FCC0,
787 def : MipsInstAlias<!strconcat("c.ult.", TypeStr, " $fs, $ft"),
788 (!cast<Instruction>("C_ULT_"#NAME) FCC0,
790 def : MipsInstAlias<!strconcat("c.ole.", TypeStr, " $fs, $ft"),
791 (!cast<Instruction>("C_OLE_"#NAME) FCC0,
793 def : MipsInstAlias<!strconcat("c.ule.", TypeStr, " $fs, $ft"),
794 (!cast<Instruction>("C_ULE_"#NAME) FCC0,
796 def : MipsInstAlias<!strconcat("c.sf.", TypeStr, " $fs, $ft"),
797 (!cast<Instruction>("C_SF_"#NAME) FCC0,
799 def : MipsInstAlias<!strconcat("c.ngle.", TypeStr, " $fs, $ft"),
800 (!cast<Instruction>("C_NGLE_"#NAME) FCC0,
802 def : MipsInstAlias<!strconcat("c.seq.", TypeStr, " $fs, $ft"),
803 (!cast<Instruction>("C_SEQ_"#NAME) FCC0,
805 def : MipsInstAlias<!strconcat("c.ngl.", TypeStr, " $fs, $ft"),
806 (!cast<Instruction>("C_NGL_"#NAME) FCC0,
808 def : MipsInstAlias<!strconcat("c.lt.", TypeStr, " $fs, $ft"),
809 (!cast<Instruction>("C_LT_"#NAME) FCC0,
811 def : MipsInstAlias<!strconcat("c.nge.", TypeStr, " $fs, $ft"),
812 (!cast<Instruction>("C_NGE_"#NAME) FCC0,
814 def : MipsInstAlias<!strconcat("c.le.", TypeStr, " $fs, $ft"),
815 (!cast<Instruction>("C_LE_"#NAME) FCC0,
817 def : MipsInstAlias<!strconcat("c.ngt.", TypeStr, " $fs, $ft"),
818 (!cast<Instruction>("C_NGT_"#NAME) FCC0,
822 multiclass BC1_ALIASES<Instruction BCTrue, string BCTrueString,
823 Instruction BCFalse, string BCFalseString> {
824 def : MipsInstAlias<!strconcat(BCTrueString, " $offset"),
825 (BCTrue FCC0, brtarget:$offset), 1>;
827 def : MipsInstAlias<!strconcat(BCFalseString, " $offset"),
828 (BCFalse FCC0, brtarget:$offset), 1>;
831 let AdditionalPredicates = [NotInMicroMips] in {
832 defm S : C_COND_ALIASES<"s", FGR32Opnd>, HARDFLOAT,
833 ISA_MIPS1_NOT_32R6_64R6;
834 defm D32 : C_COND_ALIASES<"d", AFGR64Opnd>, HARDFLOAT,
835 ISA_MIPS1_NOT_32R6_64R6, FGR_32;
836 defm D64 : C_COND_ALIASES<"d", FGR64Opnd>, HARDFLOAT,
837 ISA_MIPS1_NOT_32R6_64R6, FGR_64;
839 defm : BC1_ALIASES<BC1T, "bc1t", BC1F, "bc1f">, ISA_MIPS1_NOT_32R6_64R6,
841 defm : BC1_ALIASES<BC1TL, "bc1tl", BC1FL, "bc1fl">, ISA_MIPS2_NOT_32R6_64R6,
844 //===----------------------------------------------------------------------===//
845 // Floating Point Patterns
846 //===----------------------------------------------------------------------===//
847 def : MipsPat<(f32 fpimm0), (MTC1 ZERO)>;
848 def : MipsPat<(f32 fpimm0neg), (FNEG_S (MTC1 ZERO))>;
850 def : MipsPat<(f32 (sint_to_fp GPR32Opnd:$src)),
851 (PseudoCVT_S_W GPR32Opnd:$src)>;
852 def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
853 (TRUNC_W_S FGR32Opnd:$src)>;
855 def : MipsPat<(MipsMTC1_D64 GPR32Opnd:$src),
856 (MTC1_D64 GPR32Opnd:$src)>, FGR_64;
858 def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
859 (PseudoCVT_D32_W GPR32Opnd:$src)>, FGR_32;
860 def : MipsPat<(MipsTruncIntFP AFGR64Opnd:$src),
861 (TRUNC_W_D32 AFGR64Opnd:$src)>, FGR_32;
862 def : MipsPat<(f32 (fpround AFGR64Opnd:$src)),
863 (CVT_S_D32 AFGR64Opnd:$src)>, FGR_32;
864 def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
865 (CVT_D32_S FGR32Opnd:$src)>, FGR_32;
867 def : MipsPat<(f64 fpimm0), (DMTC1 ZERO_64)>, FGR_64;
868 def : MipsPat<(f64 fpimm0neg), (FNEG_D64 (DMTC1 ZERO_64))>, FGR_64;
870 def : MipsPat<(f64 (sint_to_fp GPR32Opnd:$src)),
871 (PseudoCVT_D64_W GPR32Opnd:$src)>, FGR_64;
872 def : MipsPat<(f32 (sint_to_fp GPR64Opnd:$src)),
873 (EXTRACT_SUBREG (PseudoCVT_S_L GPR64Opnd:$src), sub_lo)>, FGR_64;
874 def : MipsPat<(f64 (sint_to_fp GPR64Opnd:$src)),
875 (PseudoCVT_D64_L GPR64Opnd:$src)>, FGR_64;
877 def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
878 (TRUNC_W_D64 FGR64Opnd:$src)>, FGR_64;
879 def : MipsPat<(MipsTruncIntFP FGR32Opnd:$src),
880 (TRUNC_L_S FGR32Opnd:$src)>, FGR_64;
881 def : MipsPat<(MipsTruncIntFP FGR64Opnd:$src),
882 (TRUNC_L_D64 FGR64Opnd:$src)>, FGR_64;
884 def : MipsPat<(f32 (fpround FGR64Opnd:$src)),
885 (CVT_S_D64 FGR64Opnd:$src)>, FGR_64;
886 def : MipsPat<(f64 (fpextend FGR32Opnd:$src)),
887 (CVT_D64_S FGR32Opnd:$src)>, FGR_64;
889 // To generate NMADD and NMSUB instructions when fneg node is present
890 multiclass NMADD_NMSUB<Instruction Nmadd, Instruction Nmsub, RegisterOperand RC> {
891 def : MipsPat<(fneg (fadd (fmul RC:$fs, RC:$ft), RC:$fr)),
892 (Nmadd RC:$fr, RC:$fs, RC:$ft)>;
893 def : MipsPat<(fneg (fsub (fmul RC:$fs, RC:$ft), RC:$fr)),
894 (Nmsub RC:$fr, RC:$fs, RC:$ft)>;
897 let AdditionalPredicates = [NoNaNsFPMath, HasMadd4, NotInMicroMips] in {
898 defm : NMADD_NMSUB<NMADD_S, NMSUB_S, FGR32Opnd>, INSN_MIPS4_32R2_NOT_32R6_64R6;
899 defm : NMADD_NMSUB<NMADD_D32, NMSUB_D32, AFGR64Opnd>, FGR_32, INSN_MIPS4_32R2_NOT_32R6_64R6;
900 defm : NMADD_NMSUB<NMADD_D64, NMSUB_D64, FGR64Opnd>, FGR_64, INSN_MIPS4_32R2_NOT_32R6_64R6;
903 // Patterns for loads/stores with a reg+imm operand.
904 let AdditionalPredicates = [NotInMicroMips] in {
905 let AddedComplexity = 40 in {
906 def : LoadRegImmPat<LWC1, f32, load>;
907 def : StoreRegImmPat<SWC1, f32>;
909 def : LoadRegImmPat<LDC164, f64, load>, FGR_64;
910 def : StoreRegImmPat<SDC164, f64>, FGR_64;
912 def : LoadRegImmPat<LDC1, f64, load>, FGR_32;
913 def : StoreRegImmPat<SDC1, f64>, FGR_32;