1//==- MicroMipsInstrFPU.td - microMIPS FPU Instruction Info -*- 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 microMIPS FPU instruction set.
11//
12//===----------------------------------------------------------------------===//
13
14let isCodeGenOnly = 1 in {
15def FADD_S_MM : MMRel, ADDS_FT<"add.s", FGR32Opnd, II_ADD_S, 1, fadd>,
16                ADDS_FM_MM<0, 0x30>, ISA_MICROMIPS;
17def FDIV_S_MM : MMRel, ADDS_FT<"div.s", FGR32Opnd, II_DIV_S, 0, fdiv>,
18                ADDS_FM_MM<0, 0xf0>, ISA_MICROMIPS;
19def FMUL_S_MM : MMRel, ADDS_FT<"mul.s", FGR32Opnd, II_MUL_S, 1, fmul>,
20                ADDS_FM_MM<0, 0xb0>, ISA_MICROMIPS;
21def FSUB_S_MM : MMRel, ADDS_FT<"sub.s", FGR32Opnd, II_SUB_S, 0, fsub>,
22                ADDS_FM_MM<0, 0x70>, ISA_MICROMIPS;
23
24def FADD_MM  : MMRel, ADDS_FT<"add.d", AFGR64Opnd, II_ADD_D, 1, fadd>,
25               ADDS_FM_MM<1, 0x30>, ISA_MICROMIPS;
26def FDIV_MM  : MMRel, ADDS_FT<"div.d", AFGR64Opnd, II_DIV_D, 0, fdiv>,
27               ADDS_FM_MM<1, 0xf0>, ISA_MICROMIPS;
28def FMUL_MM  : MMRel, ADDS_FT<"mul.d", AFGR64Opnd, II_MUL_D, 1, fmul>,
29               ADDS_FM_MM<1, 0xb0>, ISA_MICROMIPS;
30def FSUB_MM  : MMRel, ADDS_FT<"sub.d", AFGR64Opnd, II_SUB_D, 0, fsub>,
31               ADDS_FM_MM<1, 0x70>, ISA_MICROMIPS;
32
33def LWXC1_MM : MMRel, LWXC1_FT<"lwxc1", FGR32Opnd, II_LWXC1, load>,
34               LWXC1_FM_MM<0x48>, ISA_MICROMIPS32_NOT_MIPS32R6;
35def SWXC1_MM : MMRel, SWXC1_FT<"swxc1", FGR32Opnd, II_SWXC1, store>,
36               SWXC1_FM_MM<0x88>, ISA_MICROMIPS32_NOT_MIPS32R6;
37
38// FIXME: These instruction definitions are incorrect. They should be 64-bit
39//        FPU only.
40def LUXC1_MM : MMRel, LWXC1_FT<"luxc1", AFGR64Opnd, II_LUXC1>,
41               LWXC1_FM_MM<0x148>, ISA_MICROMIPS32_NOT_MIPS32R6;
42def SUXC1_MM : MMRel, SWXC1_FT<"suxc1", AFGR64Opnd, II_SUXC1>,
43               SWXC1_FM_MM<0x188>, ISA_MICROMIPS32_NOT_MIPS32R6;
44
45def FCMP_S32_MM : MMRel, CEQS_FT<"s", FGR32, II_C_CC_S, MipsFPCmp>,
46                  CEQS_FM_MM<0>, ISA_MICROMIPS32_NOT_MIPS32R6 {
47  // FIXME: This is a required to work around the fact that these instructions
48  //        only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
49  //        fcc register set is used directly.
50  bits<3> fcc = 0;
51}
52
53def FCMP_D32_MM : MMRel, CEQS_FT<"d", AFGR64, II_C_CC_D, MipsFPCmp>,
54                  CEQS_FM_MM<1>, ISA_MICROMIPS32_NOT_MIPS32R6 {
55  // FIXME: This is a required to work around the fact that these instructions
56  //        only use $fcc0. Ideally, MipsFPCmp nodes could be removed and the
57  //        fcc register set is used directly.
58  bits<3> fcc = 0;
59}
60
61def BC1F_MM : MMRel, BC1F_FT<"bc1f", brtarget_mm, II_BC1F, MIPS_BRANCH_F>,
62              BC1F_FM_MM<0x1c>, ISA_MICROMIPS32_NOT_MIPS32R6;
63def BC1T_MM : MMRel, BC1F_FT<"bc1t", brtarget_mm, II_BC1T, MIPS_BRANCH_T>,
64              BC1F_FM_MM<0x1d>, ISA_MICROMIPS32_NOT_MIPS32R6;
65def CVT_W_S_MM   : MMRel, ABSS_FT<"cvt.w.s", FGR32Opnd, FGR32Opnd, II_CVT>,
66                   ROUND_W_FM_MM<0, 0x24>, ISA_MICROMIPS;
67def ROUND_W_S_MM : MMRel, StdMMR6Rel, ABSS_FT<"round.w.s", FGR32Opnd, FGR32Opnd,
68                                              II_ROUND>, ROUND_W_FM_MM<0, 0xec>,
69                   ISA_MICROMIPS;
70
71def CEIL_W_MM  : MMRel, ABSS_FT<"ceil.w.d", FGR32Opnd, AFGR64Opnd, II_CEIL>,
72                 ROUND_W_FM_MM<1, 0x6c>, ISA_MICROMIPS, FGR_32;
73def CVT_W_MM   : MMRel, ABSS_FT<"cvt.w.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
74                 ROUND_W_FM_MM<1, 0x24>, ISA_MICROMIPS, FGR_32;
75def FLOOR_W_MM : MMRel, ABSS_FT<"floor.w.d", FGR32Opnd, AFGR64Opnd, II_FLOOR>,
76                 ROUND_W_FM_MM<1, 0x2c>, ISA_MICROMIPS, FGR_32;
77def ROUND_W_MM : MMRel, StdMMR6Rel, ABSS_FT<"round.w.d", FGR32Opnd, AFGR64Opnd,
78                                            II_ROUND>, ROUND_W_FM_MM<1, 0xec>,
79                 ISA_MICROMIPS, FGR_32;
80def TRUNC_W_MM : MMRel, ABSS_FT<"trunc.w.d", FGR32Opnd, AFGR64Opnd, II_TRUNC>,
81                 ROUND_W_FM_MM<1, 0xac>, ISA_MICROMIPS, FGR_32;
82
83def FSQRT_MM : MMRel, ABSS_FT<"sqrt.d", AFGR64Opnd, AFGR64Opnd, II_SQRT_D,
84                              fsqrt>, ROUND_W_FM_MM<1, 0x28>,
85               ISA_MICROMIPS, FGR_32;
86
87def CVT_L_S_MM   : MMRel, ABSS_FT<"cvt.l.s", FGR64Opnd, FGR32Opnd, II_CVT>,
88                   ROUND_W_FM_MM<0, 0x4>, ISA_MICROMIPS, FGR_64;
89def CVT_L_D64_MM : MMRel, ABSS_FT<"cvt.l.d", FGR64Opnd, FGR64Opnd, II_CVT>,
90                   ROUND_W_FM_MM<1, 0x4>, ISA_MICROMIPS, FGR_64;
91
92def FABS_S_MM : MMRel, ABSS_FT<"abs.s", FGR32Opnd, FGR32Opnd, II_ABS, fabs>,
93                ABS_FM_MM<0, 0xd>, ISA_MICROMIPS;
94def FMOV_S_MM : MMRel, ABSS_FT<"mov.s", FGR32Opnd, FGR32Opnd, II_MOV_S>,
95                ABS_FM_MM<0, 0x1>, ISA_MICROMIPS;
96def FNEG_S_MM : MMRel, ABSS_FT<"neg.s", FGR32Opnd, FGR32Opnd, II_NEG, fneg>,
97                ABS_FM_MM<0, 0x2d>, ISA_MICROMIPS;
98def CVT_D_S_MM : MMRel, ABSS_FT<"cvt.d.s", AFGR64Opnd, FGR32Opnd, II_CVT>,
99                 ABS_FM_MM<0, 0x4d>, ISA_MICROMIPS, FGR_32;
100def CVT_D32_W_MM : MMRel, ABSS_FT<"cvt.d.w", AFGR64Opnd, FGR32Opnd, II_CVT>,
101                   ABS_FM_MM<1, 0x4d>, ISA_MICROMIPS, FGR_32;
102def CVT_S_D32_MM : MMRel, ABSS_FT<"cvt.s.d", FGR32Opnd, AFGR64Opnd, II_CVT>,
103                   ABS_FM_MM<0, 0x6d>, ISA_MICROMIPS, FGR_32;
104def CVT_S_W_MM : MMRel, ABSS_FT<"cvt.s.w", FGR32Opnd, FGR32Opnd, II_CVT>,
105                 ABS_FM_MM<1, 0x6d>, ISA_MICROMIPS;
106
107def FABS_MM : MMRel, ABSS_FT<"abs.d", AFGR64Opnd, AFGR64Opnd, II_ABS, fabs>,
108              ABS_FM_MM<1, 0xd>, ISA_MICROMIPS, FGR_32;
109def FNEG_MM : MMRel, ABSS_FT<"neg.d", AFGR64Opnd, AFGR64Opnd, II_NEG, fneg>,
110              ABS_FM_MM<1, 0x2d>, ISA_MICROMIPS, FGR_32;
111
112def FMOV_D32_MM : MMRel, ABSS_FT<"mov.d", AFGR64Opnd, AFGR64Opnd, II_MOV_D>,
113                  ABS_FM_MM<1, 0x1>, ISA_MICROMIPS, FGR_32;
114
115def MOVZ_I_S_MM : MMRel, CMov_I_F_FT<"movz.s", GPR32Opnd, FGR32Opnd,
116                                     II_MOVZ_S>, CMov_I_F_FM_MM<0x78, 0>,
117                  ISA_MICROMIPS32_NOT_MIPS32R6;
118def MOVN_I_S_MM : MMRel, CMov_I_F_FT<"movn.s", GPR32Opnd, FGR32Opnd,
119                                     II_MOVN_S>, CMov_I_F_FM_MM<0x38, 0>,
120                  ISA_MICROMIPS32_NOT_MIPS32R6;
121def MOVZ_I_D32_MM : MMRel, CMov_I_F_FT<"movz.d", GPR32Opnd, AFGR64Opnd,
122                                       II_MOVZ_D>, CMov_I_F_FM_MM<0x78, 1>,
123                    ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
124def MOVN_I_D32_MM : MMRel, CMov_I_F_FT<"movn.d", GPR32Opnd, AFGR64Opnd,
125                                       II_MOVN_D>, CMov_I_F_FM_MM<0x38, 1>,
126                    ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
127
128def MOVT_S_MM : MMRel, CMov_F_F_FT<"movt.s", FGR32Opnd, II_MOVT_S,
129                                   MipsCMovFP_T>, CMov_F_F_FM_MM<0x60, 0>,
130                ISA_MICROMIPS32_NOT_MIPS32R6;
131def MOVF_S_MM : MMRel, CMov_F_F_FT<"movf.s", FGR32Opnd, II_MOVF_S,
132                                   MipsCMovFP_F>, CMov_F_F_FM_MM<0x20, 0>,
133                ISA_MICROMIPS32_NOT_MIPS32R6;
134def MOVT_D32_MM : MMRel, CMov_F_F_FT<"movt.d", AFGR64Opnd, II_MOVT_D,
135                                     MipsCMovFP_T>, CMov_F_F_FM_MM<0x60, 1>,
136                ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
137def MOVF_D32_MM : MMRel, CMov_F_F_FT<"movf.d", AFGR64Opnd, II_MOVF_D,
138                                     MipsCMovFP_F>, CMov_F_F_FM_MM<0x20, 1>,
139                  ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
140def MFC1_MM : MMRel, MFC1_FT<"mfc1", GPR32Opnd, FGR32Opnd,
141                             II_MFC1, bitconvert>, MFC1_FM_MM<0x80>,
142              ISA_MICROMIPS;
143def MTC1_MM : MMRel, MTC1_FT<"mtc1", FGR32Opnd, GPR32Opnd,
144                             II_MTC1, bitconvert>, MFC1_FM_MM<0xa0>,
145              ISA_MICROMIPS;
146
147def MADD_S_MM : MMRel, MADDS_FT<"madd.s", FGR32Opnd, II_MADD_S, fadd>,
148                MADDS_FM_MM<0x1>, ISA_MICROMIPS32_NOT_MIPS32R6;
149def MSUB_S_MM : MMRel, MADDS_FT<"msub.s", FGR32Opnd, II_MSUB_S, fsub>,
150                MADDS_FM_MM<0x21>, ISA_MICROMIPS32_NOT_MIPS32R6;
151def NMADD_S_MM : MMRel, NMADDS_FT<"nmadd.s", FGR32Opnd, II_NMADD_S, fadd>,
152                 MADDS_FM_MM<0x2>, ISA_MICROMIPS32_NOT_MIPS32R6;
153def NMSUB_S_MM : MMRel, NMADDS_FT<"nmsub.s", FGR32Opnd, II_NMSUB_S, fsub>,
154                 MADDS_FM_MM<0x22>, ISA_MICROMIPS32_NOT_MIPS32R6;
155
156def MADD_D32_MM  : MMRel, MADDS_FT<"madd.d", AFGR64Opnd, II_MADD_D, fadd>,
157                   MADDS_FM_MM<0x9>, ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
158def MSUB_D32_MM  : MMRel, MADDS_FT<"msub.d", AFGR64Opnd, II_MSUB_D, fsub>,
159                   MADDS_FM_MM<0x29>, ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
160def NMADD_D32_MM : MMRel, NMADDS_FT<"nmadd.d", AFGR64Opnd, II_NMADD_D, fadd>,
161                   MADDS_FM_MM<0xa>, ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
162def NMSUB_D32_MM : MMRel, NMADDS_FT<"nmsub.d", AFGR64Opnd, II_NMSUB_D, fsub>,
163                   MADDS_FM_MM<0x2a>, ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
164}
165
166def FLOOR_W_S_MM : MMRel, ABSS_FT<"floor.w.s", FGR32Opnd, FGR32Opnd,
167                                  II_FLOOR>, ROUND_W_FM_MM<0, 0x2c>,
168                   ISA_MICROMIPS;
169def TRUNC_W_S_MM : MMRel, StdMMR6Rel, ABSS_FT<"trunc.w.s", FGR32Opnd,
170                                              FGR32Opnd, II_TRUNC>,
171                   ROUND_W_FM_MM<0, 0xac>, ISA_MICROMIPS;
172def CEIL_W_S_MM  : MMRel, ABSS_FT<"ceil.w.s", FGR32Opnd, FGR32Opnd, II_CEIL>,
173                   ROUND_W_FM_MM<0, 0x6c>, ISA_MICROMIPS;
174def FSQRT_S_MM : MMRel, ABSS_FT<"sqrt.s", FGR32Opnd, FGR32Opnd, II_SQRT_S,
175                                fsqrt>, ROUND_W_FM_MM<0, 0x28>, ISA_MICROMIPS;
176def MTHC1_MM : MMRel, MTC1_64_FT<"mthc1", AFGR64Opnd, GPR32Opnd, II_MTHC1>,
177               MFC1_FM_MM<0xe0>, ISA_MICROMIPS, FGR_32;
178def MFHC1_MM : MMRel, MFC1_FT<"mfhc1", GPR32Opnd, AFGR64Opnd, II_MFHC1>,
179               MFC1_FM_MM<0xc0>, ISA_MICROMIPS, FGR_32;
180
181let DecoderNamespace = "MicroMips" in {
182  def CFC1_MM : MMRel, MFC1_FT<"cfc1", GPR32Opnd, CCROpnd, II_CFC1>,
183                MFC1_FM_MM<0x40>, ISA_MICROMIPS;
184  def CTC1_MM : MMRel, MTC1_FT<"ctc1", CCROpnd, GPR32Opnd, II_CTC1>,
185                MFC1_FM_MM<0x60>, ISA_MICROMIPS;
186  def RECIP_S_MM : MMRel, ABSS_FT<"recip.s", FGR32Opnd, FGR32Opnd,
187                                    II_RECIP_S>,
188                     ROUND_W_FM_MM<0b0, 0b01001000>, ISA_MICROMIPS;
189  def RECIP_D32_MM : MMRel, ABSS_FT<"recip.d", AFGR64Opnd, AFGR64Opnd,
190                                    II_RECIP_D>,
191                     ROUND_W_FM_MM<0b1, 0b01001000>, ISA_MICROMIPS, FGR_32 {
192    let BaseOpcode = "RECIP_D32";
193  }
194  let DecoderNamespace = "MicroMipsFP64" in
195    def RECIP_D64_MM : MMRel, ABSS_FT<"recip.d", FGR64Opnd, FGR64Opnd,
196                                      II_RECIP_D>,
197                     ROUND_W_FM_MM<0b1, 0b01001000>, ISA_MICROMIPS, FGR_64;
198  def RSQRT_S_MM : MMRel, ABSS_FT<"rsqrt.s", FGR32Opnd, FGR32Opnd,
199                                  II_RECIP_S>,
200                   ROUND_W_FM_MM<0b0, 0b00001000>;
201  def RSQRT_D32_MM : MMRel, ABSS_FT<"rsqrt.d", AFGR64Opnd, AFGR64Opnd,
202                                  II_RECIP_D>,
203                   ROUND_W_FM_MM<0b1, 0b00001000>, ISA_MICROMIPS, FGR_32 {
204    let BaseOpcode = "RSQRT_D32";
205  }
206  let DecoderNamespace = "MicroMipsFP64" in
207    def RSQRT_D64_MM : MMRel, ABSS_FT<"rsqrt.d", FGR64Opnd, FGR64Opnd,
208                                      II_RECIP_D>,
209                       ROUND_W_FM_MM<0b1, 0b00001000>, ISA_MICROMIPS, FGR_64;
210}
211
212let DecoderNamespace = "MicroMips",  DecoderMethod = "DecodeFMemMMR2" in {
213  def LDC1_MM : MMRel, LW_FT<"ldc1", AFGR64Opnd, mem_mm_16, II_LDC1, load>,
214                LW_FM_MM<0x2f>, ISA_MICROMIPS, FGR_32 {
215    let BaseOpcode = "LDC132";
216  }
217  def SDC1_MM : MMRel, SW_FT<"sdc1", AFGR64Opnd, mem_mm_16, II_SDC1, store>,
218                LW_FM_MM<0x2e>, ISA_MICROMIPS, FGR_32;
219  def LWC1_MM : MMRel, LW_FT<"lwc1", FGR32Opnd, mem_mm_16, II_LWC1, load>,
220                LW_FM_MM<0x27>, ISA_MICROMIPS;
221  def SWC1_MM : MMRel, SW_FT<"swc1", FGR32Opnd, mem_mm_16, II_SWC1, store>,
222                LW_FM_MM<0x26>, ISA_MICROMIPS;
223}
224
225multiclass C_COND_MM<string TypeStr, RegisterOperand RC, bits<2> fmt,
226                     InstrItinClass itin> {
227  def C_F_#NAME#_MM : MMRel, C_COND_FT<"f", TypeStr, RC, itin>,
228                      C_COND_FM_MM<fmt, 0> {
229    let BaseOpcode = "c.f."#NAME;
230    let isCommutable = 1;
231  }
232  def C_UN_#NAME#_MM : MMRel, C_COND_FT<"un", TypeStr, RC, itin>,
233                       C_COND_FM_MM<fmt, 1> {
234    let BaseOpcode = "c.un."#NAME;
235    let isCommutable = 1;
236  }
237  def C_EQ_#NAME#_MM : MMRel, C_COND_FT<"eq", TypeStr, RC, itin>,
238                       C_COND_FM_MM<fmt, 2> {
239    let BaseOpcode = "c.eq."#NAME;
240    let isCommutable = 1;
241  }
242  def C_UEQ_#NAME#_MM : MMRel, C_COND_FT<"ueq", TypeStr, RC, itin>,
243                        C_COND_FM_MM<fmt, 3> {
244    let BaseOpcode = "c.ueq."#NAME;
245    let isCommutable = 1;
246  }
247  def C_OLT_#NAME#_MM : MMRel, C_COND_FT<"olt", TypeStr, RC, itin>,
248                        C_COND_FM_MM<fmt, 4> {
249    let BaseOpcode = "c.olt."#NAME;
250  }
251  def C_ULT_#NAME#_MM : MMRel, C_COND_FT<"ult", TypeStr, RC, itin>,
252                        C_COND_FM_MM<fmt, 5> {
253    let BaseOpcode = "c.ult."#NAME;
254  }
255  def C_OLE_#NAME#_MM : MMRel, C_COND_FT<"ole", TypeStr, RC, itin>,
256                        C_COND_FM_MM<fmt, 6> {
257    let BaseOpcode = "c.ole."#NAME;
258  }
259  def C_ULE_#NAME#_MM : MMRel, C_COND_FT<"ule", TypeStr, RC, itin>,
260                        C_COND_FM_MM<fmt, 7> {
261    let BaseOpcode = "c.ule."#NAME;
262  }
263  def C_SF_#NAME#_MM : MMRel, C_COND_FT<"sf", TypeStr, RC, itin>,
264                       C_COND_FM_MM<fmt, 8> {
265    let BaseOpcode = "c.sf."#NAME;
266    let isCommutable = 1;
267  }
268  def C_NGLE_#NAME#_MM : MMRel, C_COND_FT<"ngle", TypeStr, RC, itin>,
269                         C_COND_FM_MM<fmt, 9> {
270    let BaseOpcode = "c.ngle."#NAME;
271  }
272  def C_SEQ_#NAME#_MM : MMRel, C_COND_FT<"seq", TypeStr, RC, itin>,
273                        C_COND_FM_MM<fmt, 10> {
274    let BaseOpcode = "c.seq."#NAME;
275    let isCommutable = 1;
276  }
277  def C_NGL_#NAME#_MM : MMRel, C_COND_FT<"ngl", TypeStr, RC, itin>,
278                        C_COND_FM_MM<fmt, 11> {
279    let BaseOpcode = "c.ngl."#NAME;
280  }
281  def C_LT_#NAME#_MM : MMRel, C_COND_FT<"lt", TypeStr, RC, itin>,
282                       C_COND_FM_MM<fmt, 12> {
283    let BaseOpcode = "c.lt."#NAME;
284  }
285  def C_NGE_#NAME#_MM : MMRel, C_COND_FT<"nge", TypeStr, RC, itin>,
286                        C_COND_FM_MM<fmt, 13> {
287    let BaseOpcode = "c.nge."#NAME;
288  }
289  def C_LE_#NAME#_MM : MMRel, C_COND_FT<"le", TypeStr, RC, itin>,
290                       C_COND_FM_MM<fmt, 14> {
291    let BaseOpcode = "c.le."#NAME;
292  }
293  def C_NGT_#NAME#_MM : MMRel, C_COND_FT<"ngt", TypeStr, RC, itin>,
294                        C_COND_FM_MM<fmt, 15> {
295    let BaseOpcode = "c.ngt."#NAME;
296  }
297}
298
299defm S   : C_COND_MM<"s", FGR32Opnd, 0b00, II_C_CC_S>,
300           ISA_MICROMIPS32_NOT_MIPS32R6;
301defm D32 : C_COND_MM<"d", AFGR64Opnd, 0b01, II_C_CC_D>,
302           ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
303let DecoderNamespace = "Mips64" in
304  defm D64 : C_COND_MM<"d", FGR64Opnd, 0b01, II_C_CC_D>,
305             ISA_MICROMIPS32_NOT_MIPS32R6, FGR_64;
306
307defm S_MM   : C_COND_ALIASES<"s", FGR32Opnd>, HARDFLOAT,
308              ISA_MICROMIPS32_NOT_MIPS32R6;
309defm D32_MM : C_COND_ALIASES<"d", AFGR64Opnd>, HARDFLOAT,
310              ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
311defm D64_MM : C_COND_ALIASES<"d", FGR64Opnd>, HARDFLOAT,
312              ISA_MICROMIPS32_NOT_MIPS32R6, FGR_64;
313
314defm : BC1_ALIASES<BC1T_MM, "bc1t", BC1F_MM, "bc1f">,
315       ISA_MICROMIPS32_NOT_MIPS32R6, HARDFLOAT;
316
317
318// To generate NMADD and NMSUB instructions when fneg node is present
319let AdditionalPredicates = [NoNaNsFPMath, HasMadd4,
320                            InMicroMips, NotMips32r6] in {
321  defm : NMADD_NMSUB<NMADD_S_MM, NMSUB_S_MM, FGR32Opnd>,
322         ISA_MICROMIPS32_NOT_MIPS32R6;
323  defm : NMADD_NMSUB<NMADD_D32_MM, NMSUB_D32_MM, AFGR64Opnd>,
324         ISA_MICROMIPS32_NOT_MIPS32R6, FGR_32;
325}
326
327//===----------------------------------------------------------------------===//
328// Floating Point Patterns
329//===----------------------------------------------------------------------===//
330
331// Patterns for loads/stores with a reg+imm operand.
332let AddedComplexity = 40 in {
333  def : LoadRegImmPat<LDC1_MM, f64, load>, ISA_MICROMIPS, FGR_32;
334  def : StoreRegImmPat<SDC1_MM, f64>, ISA_MICROMIPS, FGR_32;
335  def : LoadRegImmPat<LWC1_MM, f32, load>, ISA_MICROMIPS;
336  def : StoreRegImmPat<SWC1_MM, f32>, ISA_MICROMIPS;
337}
338