1 //===-- ARMInstrVFP.td - VFP support for ARM ---------------*- 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 ARM VFP instruction set.
12 //===----------------------------------------------------------------------===//
14 def SDT_FTOI : SDTypeProfile<1, 1, [SDTCisVT<0, f32>, SDTCisFP<1>]>;
15 def SDT_ITOF : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisVT<1, f32>]>;
16 def SDT_CMPFP0 : SDTypeProfile<0, 1, [SDTCisFP<0>]>;
17 def SDT_VMOVDRR : SDTypeProfile<1, 2, [SDTCisVT<0, f64>, SDTCisVT<1, i32>,
20 def arm_ftoui : SDNode<"ARMISD::FTOUI", SDT_FTOI>;
21 def arm_ftosi : SDNode<"ARMISD::FTOSI", SDT_FTOI>;
22 def arm_sitof : SDNode<"ARMISD::SITOF", SDT_ITOF>;
23 def arm_uitof : SDNode<"ARMISD::UITOF", SDT_ITOF>;
24 def arm_fmstat : SDNode<"ARMISD::FMSTAT", SDTNone, [SDNPInGlue, SDNPOutGlue]>;
25 def arm_cmpfp : SDNode<"ARMISD::CMPFP", SDT_ARMCmp, [SDNPOutGlue]>;
26 def arm_cmpfp0 : SDNode<"ARMISD::CMPFPw0", SDT_CMPFP0, [SDNPOutGlue]>;
27 def arm_fmdrr : SDNode<"ARMISD::VMOVDRR", SDT_VMOVDRR>;
30 //===----------------------------------------------------------------------===//
31 // Operand Definitions.
34 // 8-bit floating-point immediate encodings.
35 def FPImmOperand : AsmOperandClass {
37 let ParserMethod = "parseFPImm";
40 def vfp_f32imm : Operand<f32>,
41 PatLeaf<(f32 fpimm), [{
42 return ARM_AM::getFP32Imm(N->getValueAPF()) != -1;
43 }], SDNodeXForm<fpimm, [{
44 APFloat InVal = N->getValueAPF();
45 uint32_t enc = ARM_AM::getFP32Imm(InVal);
46 return CurDAG->getTargetConstant(enc, MVT::i32);
48 let PrintMethod = "printFPImmOperand";
49 let ParserMatchClass = FPImmOperand;
52 def vfp_f64imm : Operand<f64>,
53 PatLeaf<(f64 fpimm), [{
54 return ARM_AM::getFP64Imm(N->getValueAPF()) != -1;
55 }], SDNodeXForm<fpimm, [{
56 APFloat InVal = N->getValueAPF();
57 uint32_t enc = ARM_AM::getFP64Imm(InVal);
58 return CurDAG->getTargetConstant(enc, MVT::i32);
60 let PrintMethod = "printFPImmOperand";
61 let ParserMatchClass = FPImmOperand;
64 def alignedload32 : PatFrag<(ops node:$ptr), (load node:$ptr), [{
65 return cast<LoadSDNode>(N)->getAlignment() >= 4;
68 def alignedstore32 : PatFrag<(ops node:$val, node:$ptr),
69 (store node:$val, node:$ptr), [{
70 return cast<StoreSDNode>(N)->getAlignment() >= 4;
73 // The VCVT to/from fixed-point instructions encode the 'fbits' operand
74 // (the number of fixed bits) differently than it appears in the assembly
75 // source. It's encoded as "Size - fbits" where Size is the size of the
76 // fixed-point representation (32 or 16) and fbits is the value appearing
77 // in the assembly source, an integer in [0,16] or (0,32], depending on size.
78 def fbits32_asm_operand : AsmOperandClass { let Name = "FBits32"; }
79 def fbits32 : Operand<i32> {
80 let PrintMethod = "printFBits32";
81 let ParserMatchClass = fbits32_asm_operand;
84 def fbits16_asm_operand : AsmOperandClass { let Name = "FBits16"; }
85 def fbits16 : Operand<i32> {
86 let PrintMethod = "printFBits16";
87 let ParserMatchClass = fbits16_asm_operand;
90 //===----------------------------------------------------------------------===//
91 // Load / store Instructions.
94 let canFoldAsLoad = 1, isReMaterializable = 1 in {
96 def VLDRD : ADI5<0b1101, 0b01, (outs DPR:$Dd), (ins addrmode5:$addr),
97 IIC_fpLoad64, "vldr", "\t$Dd, $addr",
98 [(set DPR:$Dd, (f64 (alignedload32 addrmode5:$addr)))]>;
100 def VLDRS : ASI5<0b1101, 0b01, (outs SPR:$Sd), (ins addrmode5:$addr),
101 IIC_fpLoad32, "vldr", "\t$Sd, $addr",
102 [(set SPR:$Sd, (load addrmode5:$addr))]> {
103 // Some single precision VFP instructions may be executed on both NEON and VFP
105 let D = VFPNeonDomain;
108 } // End of 'let canFoldAsLoad = 1, isReMaterializable = 1 in'
110 def VSTRD : ADI5<0b1101, 0b00, (outs), (ins DPR:$Dd, addrmode5:$addr),
111 IIC_fpStore64, "vstr", "\t$Dd, $addr",
112 [(alignedstore32 (f64 DPR:$Dd), addrmode5:$addr)]>;
114 def VSTRS : ASI5<0b1101, 0b00, (outs), (ins SPR:$Sd, addrmode5:$addr),
115 IIC_fpStore32, "vstr", "\t$Sd, $addr",
116 [(store SPR:$Sd, addrmode5:$addr)]> {
117 // Some single precision VFP instructions may be executed on both NEON and VFP
119 let D = VFPNeonDomain;
122 //===----------------------------------------------------------------------===//
123 // Load / store multiple Instructions.
126 multiclass vfp_ldst_mult<string asm, bit L_bit,
127 InstrItinClass itin, InstrItinClass itin_upd> {
130 AXDI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
132 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
133 let Inst{24-23} = 0b01; // Increment After
134 let Inst{21} = 0; // No writeback
135 let Inst{20} = L_bit;
138 AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs,
140 IndexModeUpd, itin_upd,
141 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
142 let Inst{24-23} = 0b01; // Increment After
143 let Inst{21} = 1; // Writeback
144 let Inst{20} = L_bit;
147 AXDI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs,
149 IndexModeUpd, itin_upd,
150 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
151 let Inst{24-23} = 0b10; // Decrement Before
152 let Inst{21} = 1; // Writeback
153 let Inst{20} = L_bit;
158 AXSI4<(outs), (ins GPR:$Rn, pred:$p, spr_reglist:$regs, variable_ops),
160 !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
161 let Inst{24-23} = 0b01; // Increment After
162 let Inst{21} = 0; // No writeback
163 let Inst{20} = L_bit;
165 // Some single precision VFP instructions may be executed on both NEON and
167 let D = VFPNeonDomain;
170 AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs,
172 IndexModeUpd, itin_upd,
173 !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
174 let Inst{24-23} = 0b01; // Increment After
175 let Inst{21} = 1; // Writeback
176 let Inst{20} = L_bit;
178 // Some single precision VFP instructions may be executed on both NEON and
180 let D = VFPNeonDomain;
183 AXSI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, spr_reglist:$regs,
185 IndexModeUpd, itin_upd,
186 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
187 let Inst{24-23} = 0b10; // Decrement Before
188 let Inst{21} = 1; // Writeback
189 let Inst{20} = L_bit;
191 // Some single precision VFP instructions may be executed on both NEON and
193 let D = VFPNeonDomain;
197 let neverHasSideEffects = 1 in {
199 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
200 defm VLDM : vfp_ldst_mult<"vldm", 1, IIC_fpLoad_m, IIC_fpLoad_mu>;
202 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
203 defm VSTM : vfp_ldst_mult<"vstm", 0, IIC_fpLoad_m, IIC_fpLoad_mu>;
205 } // neverHasSideEffects
207 def : MnemonicAlias<"vldm", "vldmia">;
208 def : MnemonicAlias<"vstm", "vstmia">;
210 def : InstAlias<"vpush${p} $r", (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>,
212 def : InstAlias<"vpush${p} $r", (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>,
214 def : InstAlias<"vpop${p} $r", (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>,
216 def : InstAlias<"vpop${p} $r", (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>,
218 defm : VFPDTAnyInstAlias<"vpush${p}", "$r",
219 (VSTMSDB_UPD SP, pred:$p, spr_reglist:$r)>;
220 defm : VFPDTAnyInstAlias<"vpush${p}", "$r",
221 (VSTMDDB_UPD SP, pred:$p, dpr_reglist:$r)>;
222 defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
223 (VLDMSIA_UPD SP, pred:$p, spr_reglist:$r)>;
224 defm : VFPDTAnyInstAlias<"vpop${p}", "$r",
225 (VLDMDIA_UPD SP, pred:$p, dpr_reglist:$r)>;
227 // FLDMX, FSTMX - Load and store multiple unknown precision registers for
229 // These instruction are deprecated so we don't want them to get selected.
230 multiclass vfp_ldstx_mult<string asm, bit L_bit> {
233 AXXI4<(outs), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
234 IndexModeNone, !strconcat(asm, "iax${p}\t$Rn, $regs"), "", []> {
235 let Inst{24-23} = 0b01; // Increment After
236 let Inst{21} = 0; // No writeback
237 let Inst{20} = L_bit;
240 AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
241 IndexModeUpd, !strconcat(asm, "iax${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
242 let Inst{24-23} = 0b01; // Increment After
243 let Inst{21} = 1; // Writeback
244 let Inst{20} = L_bit;
247 AXXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, dpr_reglist:$regs, variable_ops),
248 IndexModeUpd, !strconcat(asm, "dbx${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
249 let Inst{24-23} = 0b10; // Decrement Before
251 let Inst{20} = L_bit;
255 defm FLDM : vfp_ldstx_mult<"fldm", 1>;
256 defm FSTM : vfp_ldstx_mult<"fstm", 0>;
258 //===----------------------------------------------------------------------===//
259 // FP Binary Operations.
262 let TwoOperandAliasConstraint = "$Dn = $Dd" in
263 def VADDD : ADbI<0b11100, 0b11, 0, 0,
264 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
265 IIC_fpALU64, "vadd", ".f64\t$Dd, $Dn, $Dm",
266 [(set DPR:$Dd, (fadd DPR:$Dn, (f64 DPR:$Dm)))]>;
268 let TwoOperandAliasConstraint = "$Sn = $Sd" in
269 def VADDS : ASbIn<0b11100, 0b11, 0, 0,
270 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
271 IIC_fpALU32, "vadd", ".f32\t$Sd, $Sn, $Sm",
272 [(set SPR:$Sd, (fadd SPR:$Sn, SPR:$Sm))]> {
273 // Some single precision VFP instructions may be executed on both NEON and
274 // VFP pipelines on A8.
275 let D = VFPNeonA8Domain;
278 let TwoOperandAliasConstraint = "$Dn = $Dd" in
279 def VSUBD : ADbI<0b11100, 0b11, 1, 0,
280 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
281 IIC_fpALU64, "vsub", ".f64\t$Dd, $Dn, $Dm",
282 [(set DPR:$Dd, (fsub DPR:$Dn, (f64 DPR:$Dm)))]>;
284 let TwoOperandAliasConstraint = "$Sn = $Sd" in
285 def VSUBS : ASbIn<0b11100, 0b11, 1, 0,
286 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
287 IIC_fpALU32, "vsub", ".f32\t$Sd, $Sn, $Sm",
288 [(set SPR:$Sd, (fsub SPR:$Sn, SPR:$Sm))]> {
289 // Some single precision VFP instructions may be executed on both NEON and
290 // VFP pipelines on A8.
291 let D = VFPNeonA8Domain;
294 let TwoOperandAliasConstraint = "$Dn = $Dd" in
295 def VDIVD : ADbI<0b11101, 0b00, 0, 0,
296 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
297 IIC_fpDIV64, "vdiv", ".f64\t$Dd, $Dn, $Dm",
298 [(set DPR:$Dd, (fdiv DPR:$Dn, (f64 DPR:$Dm)))]>;
300 let TwoOperandAliasConstraint = "$Sn = $Sd" in
301 def VDIVS : ASbI<0b11101, 0b00, 0, 0,
302 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
303 IIC_fpDIV32, "vdiv", ".f32\t$Sd, $Sn, $Sm",
304 [(set SPR:$Sd, (fdiv SPR:$Sn, SPR:$Sm))]>;
306 let TwoOperandAliasConstraint = "$Dn = $Dd" in
307 def VMULD : ADbI<0b11100, 0b10, 0, 0,
308 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
309 IIC_fpMUL64, "vmul", ".f64\t$Dd, $Dn, $Dm",
310 [(set DPR:$Dd, (fmul DPR:$Dn, (f64 DPR:$Dm)))]>;
312 let TwoOperandAliasConstraint = "$Sn = $Sd" in
313 def VMULS : ASbIn<0b11100, 0b10, 0, 0,
314 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
315 IIC_fpMUL32, "vmul", ".f32\t$Sd, $Sn, $Sm",
316 [(set SPR:$Sd, (fmul SPR:$Sn, SPR:$Sm))]> {
317 // Some single precision VFP instructions may be executed on both NEON and
318 // VFP pipelines on A8.
319 let D = VFPNeonA8Domain;
322 def VNMULD : ADbI<0b11100, 0b10, 1, 0,
323 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
324 IIC_fpMUL64, "vnmul", ".f64\t$Dd, $Dn, $Dm",
325 [(set DPR:$Dd, (fneg (fmul DPR:$Dn, (f64 DPR:$Dm))))]>;
327 def VNMULS : ASbI<0b11100, 0b10, 1, 0,
328 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
329 IIC_fpMUL32, "vnmul", ".f32\t$Sd, $Sn, $Sm",
330 [(set SPR:$Sd, (fneg (fmul SPR:$Sn, SPR:$Sm)))]> {
331 // Some single precision VFP instructions may be executed on both NEON and
332 // VFP pipelines on A8.
333 let D = VFPNeonA8Domain;
336 multiclass vsel_inst<string op, bits<2> opc> {
337 let DecoderNamespace = "VFPV8", PostEncoderMethod = "" in {
338 def S : ASbInp<0b11100, opc, 0,
339 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
340 NoItinerary, !strconcat("vsel", op, ".f32\t$Sd, $Sn, $Sm"),
341 []>, Requires<[HasV8FP]>;
343 def D : ADbInp<0b11100, opc, 0,
344 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
345 NoItinerary, !strconcat("vsel", op, ".f64\t$Dd, $Dn, $Dm"),
346 []>, Requires<[HasV8FP]>;
350 defm VSELGT : vsel_inst<"gt", 0b11>;
351 defm VSELGE : vsel_inst<"ge", 0b10>;
352 defm VSELEQ : vsel_inst<"eq", 0b00>;
353 defm VSELVS : vsel_inst<"vs", 0b01>;
355 multiclass vmaxmin_inst<string op, bit opc> {
356 let DecoderNamespace = "VFPV8", PostEncoderMethod = "" in {
357 def S : ASbInp<0b11101, 0b00, opc,
358 (outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm),
359 NoItinerary, !strconcat(op, ".f32\t$Sd, $Sn, $Sm"),
360 []>, Requires<[HasV8FP]>;
362 def D : ADbInp<0b11101, 0b00, opc,
363 (outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm),
364 NoItinerary, !strconcat(op, ".f64\t$Dd, $Dn, $Dm"),
365 []>, Requires<[HasV8FP]>;
369 defm VMAXNM : vmaxmin_inst<"vmaxnm", 0>;
370 defm VMINNM : vmaxmin_inst<"vminnm", 1>;
372 // Match reassociated forms only if not sign dependent rounding.
373 def : Pat<(fmul (fneg DPR:$a), (f64 DPR:$b)),
374 (VNMULD DPR:$a, DPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
375 def : Pat<(fmul (fneg SPR:$a), SPR:$b),
376 (VNMULS SPR:$a, SPR:$b)>, Requires<[NoHonorSignDependentRounding]>;
378 // These are encoded as unary instructions.
379 let Defs = [FPSCR_NZCV] in {
380 def VCMPED : ADuI<0b11101, 0b11, 0b0100, 0b11, 0,
381 (outs), (ins DPR:$Dd, DPR:$Dm),
382 IIC_fpCMP64, "vcmpe", ".f64\t$Dd, $Dm",
383 [(arm_cmpfp DPR:$Dd, (f64 DPR:$Dm))]>;
385 def VCMPES : ASuI<0b11101, 0b11, 0b0100, 0b11, 0,
386 (outs), (ins SPR:$Sd, SPR:$Sm),
387 IIC_fpCMP32, "vcmpe", ".f32\t$Sd, $Sm",
388 [(arm_cmpfp SPR:$Sd, SPR:$Sm)]> {
389 // Some single precision VFP instructions may be executed on both NEON and
390 // VFP pipelines on A8.
391 let D = VFPNeonA8Domain;
394 // FIXME: Verify encoding after integrated assembler is working.
395 def VCMPD : ADuI<0b11101, 0b11, 0b0100, 0b01, 0,
396 (outs), (ins DPR:$Dd, DPR:$Dm),
397 IIC_fpCMP64, "vcmp", ".f64\t$Dd, $Dm",
398 [/* For disassembly only; pattern left blank */]>;
400 def VCMPS : ASuI<0b11101, 0b11, 0b0100, 0b01, 0,
401 (outs), (ins SPR:$Sd, SPR:$Sm),
402 IIC_fpCMP32, "vcmp", ".f32\t$Sd, $Sm",
403 [/* For disassembly only; pattern left blank */]> {
404 // Some single precision VFP instructions may be executed on both NEON and
405 // VFP pipelines on A8.
406 let D = VFPNeonA8Domain;
408 } // Defs = [FPSCR_NZCV]
410 //===----------------------------------------------------------------------===//
411 // FP Unary Operations.
414 def VABSD : ADuI<0b11101, 0b11, 0b0000, 0b11, 0,
415 (outs DPR:$Dd), (ins DPR:$Dm),
416 IIC_fpUNA64, "vabs", ".f64\t$Dd, $Dm",
417 [(set DPR:$Dd, (fabs (f64 DPR:$Dm)))]>;
419 def VABSS : ASuIn<0b11101, 0b11, 0b0000, 0b11, 0,
420 (outs SPR:$Sd), (ins SPR:$Sm),
421 IIC_fpUNA32, "vabs", ".f32\t$Sd, $Sm",
422 [(set SPR:$Sd, (fabs SPR:$Sm))]> {
423 // Some single precision VFP instructions may be executed on both NEON and
424 // VFP pipelines on A8.
425 let D = VFPNeonA8Domain;
428 let Defs = [FPSCR_NZCV] in {
429 def VCMPEZD : ADuI<0b11101, 0b11, 0b0101, 0b11, 0,
430 (outs), (ins DPR:$Dd),
431 IIC_fpCMP64, "vcmpe", ".f64\t$Dd, #0",
432 [(arm_cmpfp0 (f64 DPR:$Dd))]> {
433 let Inst{3-0} = 0b0000;
437 def VCMPEZS : ASuI<0b11101, 0b11, 0b0101, 0b11, 0,
438 (outs), (ins SPR:$Sd),
439 IIC_fpCMP32, "vcmpe", ".f32\t$Sd, #0",
440 [(arm_cmpfp0 SPR:$Sd)]> {
441 let Inst{3-0} = 0b0000;
444 // Some single precision VFP instructions may be executed on both NEON and
445 // VFP pipelines on A8.
446 let D = VFPNeonA8Domain;
449 // FIXME: Verify encoding after integrated assembler is working.
450 def VCMPZD : ADuI<0b11101, 0b11, 0b0101, 0b01, 0,
451 (outs), (ins DPR:$Dd),
452 IIC_fpCMP64, "vcmp", ".f64\t$Dd, #0",
453 [/* For disassembly only; pattern left blank */]> {
454 let Inst{3-0} = 0b0000;
458 def VCMPZS : ASuI<0b11101, 0b11, 0b0101, 0b01, 0,
459 (outs), (ins SPR:$Sd),
460 IIC_fpCMP32, "vcmp", ".f32\t$Sd, #0",
461 [/* For disassembly only; pattern left blank */]> {
462 let Inst{3-0} = 0b0000;
465 // Some single precision VFP instructions may be executed on both NEON and
466 // VFP pipelines on A8.
467 let D = VFPNeonA8Domain;
469 } // Defs = [FPSCR_NZCV]
471 def VCVTDS : ASuI<0b11101, 0b11, 0b0111, 0b11, 0,
472 (outs DPR:$Dd), (ins SPR:$Sm),
473 IIC_fpCVTDS, "vcvt", ".f64.f32\t$Dd, $Sm",
474 [(set DPR:$Dd, (fextend SPR:$Sm))]> {
475 // Instruction operands.
479 // Encode instruction operands.
480 let Inst{3-0} = Sm{4-1};
482 let Inst{15-12} = Dd{3-0};
483 let Inst{22} = Dd{4};
486 // Special case encoding: bits 11-8 is 0b1011.
487 def VCVTSD : VFPAI<(outs SPR:$Sd), (ins DPR:$Dm), VFPUnaryFrm,
488 IIC_fpCVTSD, "vcvt", ".f32.f64\t$Sd, $Dm",
489 [(set SPR:$Sd, (fround DPR:$Dm))]> {
490 // Instruction operands.
494 // Encode instruction operands.
495 let Inst{3-0} = Dm{3-0};
497 let Inst{15-12} = Sd{4-1};
498 let Inst{22} = Sd{0};
500 let Inst{27-23} = 0b11101;
501 let Inst{21-16} = 0b110111;
502 let Inst{11-8} = 0b1011;
503 let Inst{7-6} = 0b11;
507 // Between half, single and double-precision. For disassembly only.
509 // FIXME: Verify encoding after integrated assembler is working.
510 def VCVTBHS: ASuI<0b11101, 0b11, 0b0010, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
511 /* FIXME */ IIC_fpCVTSH, "vcvtb", ".f32.f16\t$Sd, $Sm",
512 [/* For disassembly only; pattern left blank */]>;
514 def VCVTBSH: ASuI<0b11101, 0b11, 0b0011, 0b01, 0, (outs SPR:$Sd), (ins SPR:$Sm),
515 /* FIXME */ IIC_fpCVTHS, "vcvtb", ".f16.f32\t$Sd, $Sm",
516 [/* For disassembly only; pattern left blank */]>;
518 def : Pat<(f32_to_f16 SPR:$a),
519 (i32 (COPY_TO_REGCLASS (VCVTBSH SPR:$a), GPR))>;
521 def : Pat<(f16_to_f32 GPR:$a),
522 (VCVTBHS (COPY_TO_REGCLASS GPR:$a, SPR))>;
524 def VCVTTHS: ASuI<0b11101, 0b11, 0b0010, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
525 /* FIXME */ IIC_fpCVTSH, "vcvtt", ".f32.f16\t$Sd, $Sm",
526 [/* For disassembly only; pattern left blank */]>;
528 def VCVTTSH: ASuI<0b11101, 0b11, 0b0011, 0b11, 0, (outs SPR:$Sd), (ins SPR:$Sm),
529 /* FIXME */ IIC_fpCVTHS, "vcvtt", ".f16.f32\t$Sd, $Sm",
530 [/* For disassembly only; pattern left blank */]>;
532 def VCVTBHD : ADuI<0b11101, 0b11, 0b0010, 0b01, 0,
533 (outs DPR:$Dd), (ins SPR:$Sm),
534 NoItinerary, "vcvtb", ".f64.f16\t$Dd, $Sm",
535 []>, Requires<[HasV8FP]> {
536 // Instruction operands.
539 // Encode instruction operands.
540 let Inst{3-0} = Sm{4-1};
544 def VCVTBDH : ADuI<0b11101, 0b11, 0b0011, 0b01, 0,
545 (outs SPR:$Sd), (ins DPR:$Dm),
546 NoItinerary, "vcvtb", ".f16.f64\t$Sd, $Dm",
547 []>, Requires<[HasV8FP]> {
548 // Instruction operands.
552 // Encode instruction operands.
553 let Inst{3-0} = Dm{3-0};
555 let Inst{15-12} = Sd{4-1};
556 let Inst{22} = Sd{0};
559 def VCVTTHD : ADuI<0b11101, 0b11, 0b0010, 0b11, 0,
560 (outs DPR:$Dd), (ins SPR:$Sm),
561 NoItinerary, "vcvtt", ".f64.f16\t$Dd, $Sm",
562 []>, Requires<[HasV8FP]> {
563 // Instruction operands.
566 // Encode instruction operands.
567 let Inst{3-0} = Sm{4-1};
571 def VCVTTDH : ADuI<0b11101, 0b11, 0b0011, 0b11, 0,
572 (outs SPR:$Sd), (ins DPR:$Dm),
573 NoItinerary, "vcvtt", ".f16.f64\t$Sd, $Dm",
574 []>, Requires<[HasV8FP]> {
575 // Instruction operands.
579 // Encode instruction operands.
580 let Inst{15-12} = Sd{4-1};
581 let Inst{22} = Sd{0};
582 let Inst{3-0} = Dm{3-0};
586 multiclass vcvt_inst<string opc, bits<2> rm> {
587 let PostEncoderMethod = "" in {
588 def SS : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
589 (outs SPR:$Sd), (ins SPR:$Sm),
590 NoItinerary, !strconcat("vcvt", opc, ".s32.f32\t$Sd, $Sm"),
591 []>, Requires<[HasV8FP]> {
592 let Inst{17-16} = rm;
595 def US : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
596 (outs SPR:$Sd), (ins SPR:$Sm),
597 NoItinerary, !strconcat("vcvt", opc, ".u32.f32\t$Sd, $Sm"),
598 []>, Requires<[HasV8FP]> {
599 let Inst{17-16} = rm;
602 def SD : ASuInp<0b11101, 0b11, 0b1100, 0b11, 0,
603 (outs SPR:$Sd), (ins DPR:$Dm),
604 NoItinerary, !strconcat("vcvt", opc, ".s32.f64\t$Sd, $Dm"),
605 []>, Requires<[HasV8FP]> {
608 let Inst{17-16} = rm;
610 // Encode instruction operands
611 let Inst{3-0} = Dm{3-0};
616 def UD : ASuInp<0b11101, 0b11, 0b1100, 0b01, 0,
617 (outs SPR:$Sd), (ins DPR:$Dm),
618 NoItinerary, !strconcat("vcvt", opc, ".u32.f64\t$Sd, $Dm"),
619 []>, Requires<[HasV8FP]> {
622 let Inst{17-16} = rm;
624 // Encode instruction operands
625 let Inst{3-0} = Dm{3-0};
632 defm VCVTA : vcvt_inst<"a", 0b00>;
633 defm VCVTN : vcvt_inst<"n", 0b01>;
634 defm VCVTP : vcvt_inst<"p", 0b10>;
635 defm VCVTM : vcvt_inst<"m", 0b11>;
637 def VNEGD : ADuI<0b11101, 0b11, 0b0001, 0b01, 0,
638 (outs DPR:$Dd), (ins DPR:$Dm),
639 IIC_fpUNA64, "vneg", ".f64\t$Dd, $Dm",
640 [(set DPR:$Dd, (fneg (f64 DPR:$Dm)))]>;
642 def VNEGS : ASuIn<0b11101, 0b11, 0b0001, 0b01, 0,
643 (outs SPR:$Sd), (ins SPR:$Sm),
644 IIC_fpUNA32, "vneg", ".f32\t$Sd, $Sm",
645 [(set SPR:$Sd, (fneg SPR:$Sm))]> {
646 // Some single precision VFP instructions may be executed on both NEON and
647 // VFP pipelines on A8.
648 let D = VFPNeonA8Domain;
651 def VSQRTD : ADuI<0b11101, 0b11, 0b0001, 0b11, 0,
652 (outs DPR:$Dd), (ins DPR:$Dm),
653 IIC_fpSQRT64, "vsqrt", ".f64\t$Dd, $Dm",
654 [(set DPR:$Dd, (fsqrt (f64 DPR:$Dm)))]>;
656 def VSQRTS : ASuI<0b11101, 0b11, 0b0001, 0b11, 0,
657 (outs SPR:$Sd), (ins SPR:$Sm),
658 IIC_fpSQRT32, "vsqrt", ".f32\t$Sd, $Sm",
659 [(set SPR:$Sd, (fsqrt SPR:$Sm))]>;
661 let neverHasSideEffects = 1 in {
662 def VMOVD : ADuI<0b11101, 0b11, 0b0000, 0b01, 0,
663 (outs DPR:$Dd), (ins DPR:$Dm),
664 IIC_fpUNA64, "vmov", ".f64\t$Dd, $Dm", []>;
666 def VMOVS : ASuI<0b11101, 0b11, 0b0000, 0b01, 0,
667 (outs SPR:$Sd), (ins SPR:$Sm),
668 IIC_fpUNA32, "vmov", ".f32\t$Sd, $Sm", []>;
669 } // neverHasSideEffects
671 //===----------------------------------------------------------------------===//
672 // FP <-> GPR Copies. Int <-> FP Conversions.
675 def VMOVRS : AVConv2I<0b11100001, 0b1010,
676 (outs GPR:$Rt), (ins SPR:$Sn),
677 IIC_fpMOVSI, "vmov", "\t$Rt, $Sn",
678 [(set GPR:$Rt, (bitconvert SPR:$Sn))]> {
679 // Instruction operands.
683 // Encode instruction operands.
684 let Inst{19-16} = Sn{4-1};
686 let Inst{15-12} = Rt;
688 let Inst{6-5} = 0b00;
689 let Inst{3-0} = 0b0000;
691 // Some single precision VFP instructions may be executed on both NEON and VFP
693 let D = VFPNeonDomain;
696 // Bitcast i32 -> f32. NEON prefers to use VMOVDRR.
697 def VMOVSR : AVConv4I<0b11100000, 0b1010,
698 (outs SPR:$Sn), (ins GPR:$Rt),
699 IIC_fpMOVIS, "vmov", "\t$Sn, $Rt",
700 [(set SPR:$Sn, (bitconvert GPR:$Rt))]>,
701 Requires<[HasVFP2, UseVMOVSR]> {
702 // Instruction operands.
706 // Encode instruction operands.
707 let Inst{19-16} = Sn{4-1};
709 let Inst{15-12} = Rt;
711 let Inst{6-5} = 0b00;
712 let Inst{3-0} = 0b0000;
714 // Some single precision VFP instructions may be executed on both NEON and VFP
716 let D = VFPNeonDomain;
719 let neverHasSideEffects = 1 in {
720 def VMOVRRD : AVConv3I<0b11000101, 0b1011,
721 (outs GPR:$Rt, GPR:$Rt2), (ins DPR:$Dm),
722 IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $Dm",
723 [/* FIXME: Can't write pattern for multiple result instr*/]> {
724 // Instruction operands.
729 // Encode instruction operands.
730 let Inst{3-0} = Dm{3-0};
732 let Inst{15-12} = Rt;
733 let Inst{19-16} = Rt2;
735 let Inst{7-6} = 0b00;
737 // Some single precision VFP instructions may be executed on both NEON and VFP
739 let D = VFPNeonDomain;
742 def VMOVRRS : AVConv3I<0b11000101, 0b1010,
743 (outs GPR:$Rt, GPR:$Rt2), (ins SPR:$src1, SPR:$src2),
744 IIC_fpMOVDI, "vmov", "\t$Rt, $Rt2, $src1, $src2",
745 [/* For disassembly only; pattern left blank */]> {
750 // Encode instruction operands.
751 let Inst{3-0} = src1{4-1};
752 let Inst{5} = src1{0};
753 let Inst{15-12} = Rt;
754 let Inst{19-16} = Rt2;
756 let Inst{7-6} = 0b00;
758 // Some single precision VFP instructions may be executed on both NEON and VFP
760 let D = VFPNeonDomain;
761 let DecoderMethod = "DecodeVMOVRRS";
763 } // neverHasSideEffects
768 def VMOVDRR : AVConv5I<0b11000100, 0b1011,
769 (outs DPR:$Dm), (ins GPR:$Rt, GPR:$Rt2),
770 IIC_fpMOVID, "vmov", "\t$Dm, $Rt, $Rt2",
771 [(set DPR:$Dm, (arm_fmdrr GPR:$Rt, GPR:$Rt2))]> {
772 // Instruction operands.
777 // Encode instruction operands.
778 let Inst{3-0} = Dm{3-0};
780 let Inst{15-12} = Rt;
781 let Inst{19-16} = Rt2;
783 let Inst{7-6} = 0b00;
785 // Some single precision VFP instructions may be executed on both NEON and VFP
787 let D = VFPNeonDomain;
790 let neverHasSideEffects = 1 in
791 def VMOVSRR : AVConv5I<0b11000100, 0b1010,
792 (outs SPR:$dst1, SPR:$dst2), (ins GPR:$src1, GPR:$src2),
793 IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
794 [/* For disassembly only; pattern left blank */]> {
795 // Instruction operands.
800 // Encode instruction operands.
801 let Inst{3-0} = dst1{4-1};
802 let Inst{5} = dst1{0};
803 let Inst{15-12} = src1;
804 let Inst{19-16} = src2;
806 let Inst{7-6} = 0b00;
808 // Some single precision VFP instructions may be executed on both NEON and VFP
810 let D = VFPNeonDomain;
812 let DecoderMethod = "DecodeVMOVSRR";
818 // FMRX: SPR system reg -> GPR
820 // FMXR: GPR -> VFP system reg
825 class AVConv1IDs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
826 bits<4> opcod4, dag oops, dag iops,
827 InstrItinClass itin, string opc, string asm,
829 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
831 // Instruction operands.
835 // Encode instruction operands.
836 let Inst{3-0} = Sm{4-1};
838 let Inst{15-12} = Dd{3-0};
839 let Inst{22} = Dd{4};
842 class AVConv1InSs_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
843 bits<4> opcod4, dag oops, dag iops,InstrItinClass itin,
844 string opc, string asm, list<dag> pattern>
845 : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
847 // Instruction operands.
851 // Encode instruction operands.
852 let Inst{3-0} = Sm{4-1};
854 let Inst{15-12} = Sd{4-1};
855 let Inst{22} = Sd{0};
858 def VSITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
859 (outs DPR:$Dd), (ins SPR:$Sm),
860 IIC_fpCVTID, "vcvt", ".f64.s32\t$Dd, $Sm",
861 [(set DPR:$Dd, (f64 (arm_sitof SPR:$Sm)))]> {
862 let Inst{7} = 1; // s32
865 def VSITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
866 (outs SPR:$Sd),(ins SPR:$Sm),
867 IIC_fpCVTIS, "vcvt", ".f32.s32\t$Sd, $Sm",
868 [(set SPR:$Sd, (arm_sitof SPR:$Sm))]> {
869 let Inst{7} = 1; // s32
871 // Some single precision VFP instructions may be executed on both NEON and
872 // VFP pipelines on A8.
873 let D = VFPNeonA8Domain;
876 def VUITOD : AVConv1IDs_Encode<0b11101, 0b11, 0b1000, 0b1011,
877 (outs DPR:$Dd), (ins SPR:$Sm),
878 IIC_fpCVTID, "vcvt", ".f64.u32\t$Dd, $Sm",
879 [(set DPR:$Dd, (f64 (arm_uitof SPR:$Sm)))]> {
880 let Inst{7} = 0; // u32
883 def VUITOS : AVConv1InSs_Encode<0b11101, 0b11, 0b1000, 0b1010,
884 (outs SPR:$Sd), (ins SPR:$Sm),
885 IIC_fpCVTIS, "vcvt", ".f32.u32\t$Sd, $Sm",
886 [(set SPR:$Sd, (arm_uitof SPR:$Sm))]> {
887 let Inst{7} = 0; // u32
889 // Some single precision VFP instructions may be executed on both NEON and
890 // VFP pipelines on A8.
891 let D = VFPNeonA8Domain;
896 class AVConv1IsD_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
897 bits<4> opcod4, dag oops, dag iops,
898 InstrItinClass itin, string opc, string asm,
900 : AVConv1I<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
902 // Instruction operands.
906 // Encode instruction operands.
907 let Inst{3-0} = Dm{3-0};
909 let Inst{15-12} = Sd{4-1};
910 let Inst{22} = Sd{0};
913 class AVConv1InsS_Encode<bits<5> opcod1, bits<2> opcod2, bits<4> opcod3,
914 bits<4> opcod4, dag oops, dag iops,
915 InstrItinClass itin, string opc, string asm,
917 : AVConv1In<opcod1, opcod2, opcod3, opcod4, oops, iops, itin, opc, asm,
919 // Instruction operands.
923 // Encode instruction operands.
924 let Inst{3-0} = Sm{4-1};
926 let Inst{15-12} = Sd{4-1};
927 let Inst{22} = Sd{0};
930 // Always set Z bit in the instruction, i.e. "round towards zero" variants.
931 def VTOSIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011,
932 (outs SPR:$Sd), (ins DPR:$Dm),
933 IIC_fpCVTDI, "vcvt", ".s32.f64\t$Sd, $Dm",
934 [(set SPR:$Sd, (arm_ftosi (f64 DPR:$Dm)))]> {
935 let Inst{7} = 1; // Z bit
938 def VTOSIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010,
939 (outs SPR:$Sd), (ins SPR:$Sm),
940 IIC_fpCVTSI, "vcvt", ".s32.f32\t$Sd, $Sm",
941 [(set SPR:$Sd, (arm_ftosi SPR:$Sm))]> {
942 let Inst{7} = 1; // Z bit
944 // Some single precision VFP instructions may be executed on both NEON and
945 // VFP pipelines on A8.
946 let D = VFPNeonA8Domain;
949 def VTOUIZD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011,
950 (outs SPR:$Sd), (ins DPR:$Dm),
951 IIC_fpCVTDI, "vcvt", ".u32.f64\t$Sd, $Dm",
952 [(set SPR:$Sd, (arm_ftoui (f64 DPR:$Dm)))]> {
953 let Inst{7} = 1; // Z bit
956 def VTOUIZS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010,
957 (outs SPR:$Sd), (ins SPR:$Sm),
958 IIC_fpCVTSI, "vcvt", ".u32.f32\t$Sd, $Sm",
959 [(set SPR:$Sd, (arm_ftoui SPR:$Sm))]> {
960 let Inst{7} = 1; // Z bit
962 // Some single precision VFP instructions may be executed on both NEON and
963 // VFP pipelines on A8.
964 let D = VFPNeonA8Domain;
967 // And the Z bit '0' variants, i.e. use the rounding mode specified by FPSCR.
968 let Uses = [FPSCR] in {
969 // FIXME: Verify encoding after integrated assembler is working.
970 def VTOSIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1101, 0b1011,
971 (outs SPR:$Sd), (ins DPR:$Dm),
972 IIC_fpCVTDI, "vcvtr", ".s32.f64\t$Sd, $Dm",
973 [(set SPR:$Sd, (int_arm_vcvtr (f64 DPR:$Dm)))]>{
974 let Inst{7} = 0; // Z bit
977 def VTOSIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1101, 0b1010,
978 (outs SPR:$Sd), (ins SPR:$Sm),
979 IIC_fpCVTSI, "vcvtr", ".s32.f32\t$Sd, $Sm",
980 [(set SPR:$Sd, (int_arm_vcvtr SPR:$Sm))]> {
981 let Inst{7} = 0; // Z bit
984 def VTOUIRD : AVConv1IsD_Encode<0b11101, 0b11, 0b1100, 0b1011,
985 (outs SPR:$Sd), (ins DPR:$Dm),
986 IIC_fpCVTDI, "vcvtr", ".u32.f64\t$Sd, $Dm",
987 [(set SPR:$Sd, (int_arm_vcvtru(f64 DPR:$Dm)))]>{
988 let Inst{7} = 0; // Z bit
991 def VTOUIRS : AVConv1InsS_Encode<0b11101, 0b11, 0b1100, 0b1010,
992 (outs SPR:$Sd), (ins SPR:$Sm),
993 IIC_fpCVTSI, "vcvtr", ".u32.f32\t$Sd, $Sm",
994 [(set SPR:$Sd, (int_arm_vcvtru SPR:$Sm))]> {
995 let Inst{7} = 0; // Z bit
999 // Convert between floating-point and fixed-point
1000 // Data type for fixed-point naming convention:
1001 // S16 (U=0, sx=0) -> SH
1002 // U16 (U=1, sx=0) -> UH
1003 // S32 (U=0, sx=1) -> SL
1004 // U32 (U=1, sx=1) -> UL
1006 let Constraints = "$a = $dst" in {
1008 // FP to Fixed-Point:
1010 // Single Precision register
1011 class AVConv1XInsS_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
1012 bit op5, dag oops, dag iops, InstrItinClass itin,
1013 string opc, string asm, list<dag> pattern>
1014 : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern>,
1015 Sched<[WriteCvtFP]> {
1017 // if dp_operation then UInt(D:Vd) else UInt(Vd:D);
1018 let Inst{22} = dst{0};
1019 let Inst{15-12} = dst{4-1};
1022 // Double Precision register
1023 class AVConv1XInsD_Encode<bits<5> op1, bits<2> op2, bits<4> op3, bits<4> op4,
1024 bit op5, dag oops, dag iops, InstrItinClass itin,
1025 string opc, string asm, list<dag> pattern>
1026 : AVConv1XI<op1, op2, op3, op4, op5, oops, iops, itin, opc, asm, pattern>,
1027 Sched<[WriteCvtFP]> {
1029 // if dp_operation then UInt(D:Vd) else UInt(Vd:D);
1030 let Inst{22} = dst{4};
1031 let Inst{15-12} = dst{3-0};
1034 def VTOSHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 0,
1035 (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
1036 IIC_fpCVTSI, "vcvt", ".s16.f32\t$dst, $a, $fbits", []> {
1037 // Some single precision VFP instructions may be executed on both NEON and
1038 // VFP pipelines on A8.
1039 let D = VFPNeonA8Domain;
1042 def VTOUHS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 0,
1043 (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
1044 IIC_fpCVTSI, "vcvt", ".u16.f32\t$dst, $a, $fbits", []> {
1045 // Some single precision VFP instructions may be executed on both NEON and
1046 // VFP pipelines on A8.
1047 let D = VFPNeonA8Domain;
1050 def VTOSLS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1110, 0b1010, 1,
1051 (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
1052 IIC_fpCVTSI, "vcvt", ".s32.f32\t$dst, $a, $fbits", []> {
1053 // Some single precision VFP instructions may be executed on both NEON and
1054 // VFP pipelines on A8.
1055 let D = VFPNeonA8Domain;
1058 def VTOULS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1111, 0b1010, 1,
1059 (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
1060 IIC_fpCVTSI, "vcvt", ".u32.f32\t$dst, $a, $fbits", []> {
1061 // Some single precision VFP instructions may be executed on both NEON and
1062 // VFP pipelines on A8.
1063 let D = VFPNeonA8Domain;
1066 def VTOSHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 0,
1067 (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
1068 IIC_fpCVTDI, "vcvt", ".s16.f64\t$dst, $a, $fbits", []>;
1070 def VTOUHD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 0,
1071 (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
1072 IIC_fpCVTDI, "vcvt", ".u16.f64\t$dst, $a, $fbits", []>;
1074 def VTOSLD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1110, 0b1011, 1,
1075 (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
1076 IIC_fpCVTDI, "vcvt", ".s32.f64\t$dst, $a, $fbits", []>;
1078 def VTOULD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1111, 0b1011, 1,
1079 (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
1080 IIC_fpCVTDI, "vcvt", ".u32.f64\t$dst, $a, $fbits", []>;
1082 // Fixed-Point to FP:
1084 def VSHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 0,
1085 (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
1086 IIC_fpCVTIS, "vcvt", ".f32.s16\t$dst, $a, $fbits", []> {
1087 // Some single precision VFP instructions may be executed on both NEON and
1088 // VFP pipelines on A8.
1089 let D = VFPNeonA8Domain;
1092 def VUHTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 0,
1093 (outs SPR:$dst), (ins SPR:$a, fbits16:$fbits),
1094 IIC_fpCVTIS, "vcvt", ".f32.u16\t$dst, $a, $fbits", []> {
1095 // Some single precision VFP instructions may be executed on both NEON and
1096 // VFP pipelines on A8.
1097 let D = VFPNeonA8Domain;
1100 def VSLTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1010, 0b1010, 1,
1101 (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
1102 IIC_fpCVTIS, "vcvt", ".f32.s32\t$dst, $a, $fbits", []> {
1103 // Some single precision VFP instructions may be executed on both NEON and
1104 // VFP pipelines on A8.
1105 let D = VFPNeonA8Domain;
1108 def VULTOS : AVConv1XInsS_Encode<0b11101, 0b11, 0b1011, 0b1010, 1,
1109 (outs SPR:$dst), (ins SPR:$a, fbits32:$fbits),
1110 IIC_fpCVTIS, "vcvt", ".f32.u32\t$dst, $a, $fbits", []> {
1111 // Some single precision VFP instructions may be executed on both NEON and
1112 // VFP pipelines on A8.
1113 let D = VFPNeonA8Domain;
1116 def VSHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 0,
1117 (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
1118 IIC_fpCVTID, "vcvt", ".f64.s16\t$dst, $a, $fbits", []>;
1120 def VUHTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 0,
1121 (outs DPR:$dst), (ins DPR:$a, fbits16:$fbits),
1122 IIC_fpCVTID, "vcvt", ".f64.u16\t$dst, $a, $fbits", []>;
1124 def VSLTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1010, 0b1011, 1,
1125 (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
1126 IIC_fpCVTID, "vcvt", ".f64.s32\t$dst, $a, $fbits", []>;
1128 def VULTOD : AVConv1XInsD_Encode<0b11101, 0b11, 0b1011, 0b1011, 1,
1129 (outs DPR:$dst), (ins DPR:$a, fbits32:$fbits),
1130 IIC_fpCVTID, "vcvt", ".f64.u32\t$dst, $a, $fbits", []>;
1132 } // End of 'let Constraints = "$a = $dst" in'
1134 //===----------------------------------------------------------------------===//
1135 // FP Multiply-Accumulate Operations.
1138 def VMLAD : ADbI<0b11100, 0b00, 0, 0,
1139 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1140 IIC_fpMAC64, "vmla", ".f64\t$Dd, $Dn, $Dm",
1141 [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
1142 (f64 DPR:$Ddin)))]>,
1143 RegConstraint<"$Ddin = $Dd">,
1144 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1146 def VMLAS : ASbIn<0b11100, 0b00, 0, 0,
1147 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1148 IIC_fpMAC32, "vmla", ".f32\t$Sd, $Sn, $Sm",
1149 [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
1151 RegConstraint<"$Sdin = $Sd">,
1152 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
1153 // Some single precision VFP instructions may be executed on both NEON and
1154 // VFP pipelines on A8.
1155 let D = VFPNeonA8Domain;
1158 def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
1159 (VMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
1160 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1161 def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
1162 (VMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
1163 Requires<[HasVFP2,DontUseNEONForFP, UseFPVMLx,DontUseFusedMAC]>;
1165 def VMLSD : ADbI<0b11100, 0b00, 1, 0,
1166 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1167 IIC_fpMAC64, "vmls", ".f64\t$Dd, $Dn, $Dm",
1168 [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
1169 (f64 DPR:$Ddin)))]>,
1170 RegConstraint<"$Ddin = $Dd">,
1171 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1173 def VMLSS : ASbIn<0b11100, 0b00, 1, 0,
1174 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1175 IIC_fpMAC32, "vmls", ".f32\t$Sd, $Sn, $Sm",
1176 [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
1178 RegConstraint<"$Sdin = $Sd">,
1179 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
1180 // Some single precision VFP instructions may be executed on both NEON and
1181 // VFP pipelines on A8.
1182 let D = VFPNeonA8Domain;
1185 def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
1186 (VMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
1187 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1188 def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
1189 (VMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
1190 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
1192 def VNMLAD : ADbI<0b11100, 0b01, 1, 0,
1193 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1194 IIC_fpMAC64, "vnmla", ".f64\t$Dd, $Dn, $Dm",
1195 [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
1196 (f64 DPR:$Ddin)))]>,
1197 RegConstraint<"$Ddin = $Dd">,
1198 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1200 def VNMLAS : ASbI<0b11100, 0b01, 1, 0,
1201 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1202 IIC_fpMAC32, "vnmla", ".f32\t$Sd, $Sn, $Sm",
1203 [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
1205 RegConstraint<"$Sdin = $Sd">,
1206 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
1207 // Some single precision VFP instructions may be executed on both NEON and
1208 // VFP pipelines on A8.
1209 let D = VFPNeonA8Domain;
1212 def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
1213 (VNMLAD DPR:$dstin, DPR:$a, DPR:$b)>,
1214 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1215 def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
1216 (VNMLAS SPR:$dstin, SPR:$a, SPR:$b)>,
1217 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
1219 def VNMLSD : ADbI<0b11100, 0b01, 0, 0,
1220 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1221 IIC_fpMAC64, "vnmls", ".f64\t$Dd, $Dn, $Dm",
1222 [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
1223 (f64 DPR:$Ddin)))]>,
1224 RegConstraint<"$Ddin = $Dd">,
1225 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1227 def VNMLSS : ASbI<0b11100, 0b01, 0, 0,
1228 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1229 IIC_fpMAC32, "vnmls", ".f32\t$Sd, $Sn, $Sm",
1230 [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>,
1231 RegConstraint<"$Sdin = $Sd">,
1232 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]> {
1233 // Some single precision VFP instructions may be executed on both NEON and
1234 // VFP pipelines on A8.
1235 let D = VFPNeonA8Domain;
1238 def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
1239 (VNMLSD DPR:$dstin, DPR:$a, DPR:$b)>,
1240 Requires<[HasVFP2,UseFPVMLx,DontUseFusedMAC]>;
1241 def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
1242 (VNMLSS SPR:$dstin, SPR:$a, SPR:$b)>,
1243 Requires<[HasVFP2,DontUseNEONForFP,UseFPVMLx,DontUseFusedMAC]>;
1245 //===----------------------------------------------------------------------===//
1246 // Fused FP Multiply-Accumulate Operations.
1248 def VFMAD : ADbI<0b11101, 0b10, 0, 0,
1249 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1250 IIC_fpFMAC64, "vfma", ".f64\t$Dd, $Dn, $Dm",
1251 [(set DPR:$Dd, (fadd_mlx (fmul_su DPR:$Dn, DPR:$Dm),
1252 (f64 DPR:$Ddin)))]>,
1253 RegConstraint<"$Ddin = $Dd">,
1254 Requires<[HasVFP4,UseFusedMAC]>;
1256 def VFMAS : ASbIn<0b11101, 0b10, 0, 0,
1257 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1258 IIC_fpFMAC32, "vfma", ".f32\t$Sd, $Sn, $Sm",
1259 [(set SPR:$Sd, (fadd_mlx (fmul_su SPR:$Sn, SPR:$Sm),
1261 RegConstraint<"$Sdin = $Sd">,
1262 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
1263 // Some single precision VFP instructions may be executed on both NEON and
1267 def : Pat<(fadd_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
1268 (VFMAD DPR:$dstin, DPR:$a, DPR:$b)>,
1269 Requires<[HasVFP4,UseFusedMAC]>;
1270 def : Pat<(fadd_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
1271 (VFMAS SPR:$dstin, SPR:$a, SPR:$b)>,
1272 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
1274 // Match @llvm.fma.* intrinsics
1275 // (fma x, y, z) -> (vfms z, x, y)
1276 def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, DPR:$Ddin)),
1277 (VFMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1278 Requires<[HasVFP4]>;
1279 def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, SPR:$Sdin)),
1280 (VFMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1281 Requires<[HasVFP4]>;
1283 def VFMSD : ADbI<0b11101, 0b10, 1, 0,
1284 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1285 IIC_fpFMAC64, "vfms", ".f64\t$Dd, $Dn, $Dm",
1286 [(set DPR:$Dd, (fadd_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
1287 (f64 DPR:$Ddin)))]>,
1288 RegConstraint<"$Ddin = $Dd">,
1289 Requires<[HasVFP4,UseFusedMAC]>;
1291 def VFMSS : ASbIn<0b11101, 0b10, 1, 0,
1292 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1293 IIC_fpFMAC32, "vfms", ".f32\t$Sd, $Sn, $Sm",
1294 [(set SPR:$Sd, (fadd_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
1296 RegConstraint<"$Sdin = $Sd">,
1297 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
1298 // Some single precision VFP instructions may be executed on both NEON and
1302 def : Pat<(fsub_mlx DPR:$dstin, (fmul_su DPR:$a, (f64 DPR:$b))),
1303 (VFMSD DPR:$dstin, DPR:$a, DPR:$b)>,
1304 Requires<[HasVFP4,UseFusedMAC]>;
1305 def : Pat<(fsub_mlx SPR:$dstin, (fmul_su SPR:$a, SPR:$b)),
1306 (VFMSS SPR:$dstin, SPR:$a, SPR:$b)>,
1307 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
1309 // Match @llvm.fma.* intrinsics
1310 // (fma (fneg x), y, z) -> (vfms z, x, y)
1311 def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin)),
1312 (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1313 Requires<[HasVFP4]>;
1314 def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin)),
1315 (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1316 Requires<[HasVFP4]>;
1317 // (fma x, (fneg y), z) -> (vfms z, x, y)
1318 def : Pat<(f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin)),
1319 (VFMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1320 Requires<[HasVFP4]>;
1321 def : Pat<(f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin)),
1322 (VFMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1323 Requires<[HasVFP4]>;
1325 def VFNMAD : ADbI<0b11101, 0b01, 1, 0,
1326 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1327 IIC_fpFMAC64, "vfnma", ".f64\t$Dd, $Dn, $Dm",
1328 [(set DPR:$Dd,(fsub_mlx (fneg (fmul_su DPR:$Dn,DPR:$Dm)),
1329 (f64 DPR:$Ddin)))]>,
1330 RegConstraint<"$Ddin = $Dd">,
1331 Requires<[HasVFP4,UseFusedMAC]>;
1333 def VFNMAS : ASbI<0b11101, 0b01, 1, 0,
1334 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1335 IIC_fpFMAC32, "vfnma", ".f32\t$Sd, $Sn, $Sm",
1336 [(set SPR:$Sd, (fsub_mlx (fneg (fmul_su SPR:$Sn, SPR:$Sm)),
1338 RegConstraint<"$Sdin = $Sd">,
1339 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
1340 // Some single precision VFP instructions may be executed on both NEON and
1344 def : Pat<(fsub_mlx (fneg (fmul_su DPR:$a, (f64 DPR:$b))), DPR:$dstin),
1345 (VFNMAD DPR:$dstin, DPR:$a, DPR:$b)>,
1346 Requires<[HasVFP4,UseFusedMAC]>;
1347 def : Pat<(fsub_mlx (fneg (fmul_su SPR:$a, SPR:$b)), SPR:$dstin),
1348 (VFNMAS SPR:$dstin, SPR:$a, SPR:$b)>,
1349 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
1351 // Match @llvm.fma.* intrinsics
1352 // (fneg (fma x, y, z)) -> (vfnma z, x, y)
1353 def : Pat<(fneg (fma (f64 DPR:$Dn), (f64 DPR:$Dm), (f64 DPR:$Ddin))),
1354 (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1355 Requires<[HasVFP4]>;
1356 def : Pat<(fneg (fma (f32 SPR:$Sn), (f32 SPR:$Sm), (f32 SPR:$Sdin))),
1357 (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1358 Requires<[HasVFP4]>;
1359 // (fma (fneg x), y, (fneg z)) -> (vfnma z, x, y)
1360 def : Pat<(f64 (fma (fneg DPR:$Dn), DPR:$Dm, (fneg DPR:$Ddin))),
1361 (VFNMAD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1362 Requires<[HasVFP4]>;
1363 def : Pat<(f32 (fma (fneg SPR:$Sn), SPR:$Sm, (fneg SPR:$Sdin))),
1364 (VFNMAS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1365 Requires<[HasVFP4]>;
1367 def VFNMSD : ADbI<0b11101, 0b01, 0, 0,
1368 (outs DPR:$Dd), (ins DPR:$Ddin, DPR:$Dn, DPR:$Dm),
1369 IIC_fpFMAC64, "vfnms", ".f64\t$Dd, $Dn, $Dm",
1370 [(set DPR:$Dd, (fsub_mlx (fmul_su DPR:$Dn, DPR:$Dm),
1371 (f64 DPR:$Ddin)))]>,
1372 RegConstraint<"$Ddin = $Dd">,
1373 Requires<[HasVFP4,UseFusedMAC]>;
1375 def VFNMSS : ASbI<0b11101, 0b01, 0, 0,
1376 (outs SPR:$Sd), (ins SPR:$Sdin, SPR:$Sn, SPR:$Sm),
1377 IIC_fpFMAC32, "vfnms", ".f32\t$Sd, $Sn, $Sm",
1378 [(set SPR:$Sd, (fsub_mlx (fmul_su SPR:$Sn, SPR:$Sm), SPR:$Sdin))]>,
1379 RegConstraint<"$Sdin = $Sd">,
1380 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]> {
1381 // Some single precision VFP instructions may be executed on both NEON and
1385 def : Pat<(fsub_mlx (fmul_su DPR:$a, (f64 DPR:$b)), DPR:$dstin),
1386 (VFNMSD DPR:$dstin, DPR:$a, DPR:$b)>,
1387 Requires<[HasVFP4,UseFusedMAC]>;
1388 def : Pat<(fsub_mlx (fmul_su SPR:$a, SPR:$b), SPR:$dstin),
1389 (VFNMSS SPR:$dstin, SPR:$a, SPR:$b)>,
1390 Requires<[HasVFP4,DontUseNEONForFP,UseFusedMAC]>;
1392 // Match @llvm.fma.* intrinsics
1394 // (fma x, y, (fneg z)) -> (vfnms z, x, y))
1395 def : Pat<(f64 (fma DPR:$Dn, DPR:$Dm, (fneg DPR:$Ddin))),
1396 (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1397 Requires<[HasVFP4]>;
1398 def : Pat<(f32 (fma SPR:$Sn, SPR:$Sm, (fneg SPR:$Sdin))),
1399 (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1400 Requires<[HasVFP4]>;
1401 // (fneg (fma (fneg x), y, z)) -> (vfnms z, x, y)
1402 def : Pat<(fneg (f64 (fma (fneg DPR:$Dn), DPR:$Dm, DPR:$Ddin))),
1403 (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1404 Requires<[HasVFP4]>;
1405 def : Pat<(fneg (f32 (fma (fneg SPR:$Sn), SPR:$Sm, SPR:$Sdin))),
1406 (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1407 Requires<[HasVFP4]>;
1408 // (fneg (fma x, (fneg y), z) -> (vfnms z, x, y)
1409 def : Pat<(fneg (f64 (fma DPR:$Dn, (fneg DPR:$Dm), DPR:$Ddin))),
1410 (VFNMSD DPR:$Ddin, DPR:$Dn, DPR:$Dm)>,
1411 Requires<[HasVFP4]>;
1412 def : Pat<(fneg (f32 (fma SPR:$Sn, (fneg SPR:$Sm), SPR:$Sdin))),
1413 (VFNMSS SPR:$Sdin, SPR:$Sn, SPR:$Sm)>,
1414 Requires<[HasVFP4]>;
1416 //===----------------------------------------------------------------------===//
1417 // FP Conditional moves.
1420 let neverHasSideEffects = 1 in {
1421 def VMOVDcc : ARMPseudoInst<(outs DPR:$Dd), (ins DPR:$Dn, DPR:$Dm, pred:$p),
1423 [/*(set DPR:$Dd, (ARMcmov DPR:$Dn, DPR:$Dm, imm:$cc))*/]>,
1424 RegConstraint<"$Dn = $Dd">;
1426 def VMOVScc : ARMPseudoInst<(outs SPR:$Sd), (ins SPR:$Sn, SPR:$Sm, pred:$p),
1428 [/*(set SPR:$Sd, (ARMcmov SPR:$Sn, SPR:$Sm, imm:$cc))*/]>,
1429 RegConstraint<"$Sn = $Sd">;
1430 } // neverHasSideEffects
1432 //===----------------------------------------------------------------------===//
1433 // Move from VFP System Register to ARM core register.
1436 class MovFromVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm,
1438 VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> {
1440 // Instruction operand.
1443 let Inst{27-20} = 0b11101111;
1444 let Inst{19-16} = opc19_16;
1445 let Inst{15-12} = Rt;
1446 let Inst{11-8} = 0b1010;
1448 let Inst{6-5} = 0b00;
1450 let Inst{3-0} = 0b0000;
1453 // APSR is the application level alias of CPSR. This FPSCR N, Z, C, V flags
1455 let Defs = [CPSR], Uses = [FPSCR_NZCV], Rt = 0b1111 /* apsr_nzcv */ in
1456 def FMSTAT : MovFromVFP<0b0001 /* fpscr */, (outs), (ins),
1457 "vmrs", "\tAPSR_nzcv, fpscr", [(arm_fmstat)]>;
1459 // Application level FPSCR -> GPR
1460 let hasSideEffects = 1, Uses = [FPSCR] in
1461 def VMRS : MovFromVFP<0b0001 /* fpscr */, (outs GPR:$Rt), (ins),
1462 "vmrs", "\t$Rt, fpscr",
1463 [(set GPR:$Rt, (int_arm_get_fpscr))]>;
1465 // System level FPEXC, FPSID -> GPR
1466 let Uses = [FPSCR] in {
1467 def VMRS_FPEXC : MovFromVFP<0b1000 /* fpexc */, (outs GPR:$Rt), (ins),
1468 "vmrs", "\t$Rt, fpexc", []>;
1469 def VMRS_FPSID : MovFromVFP<0b0000 /* fpsid */, (outs GPR:$Rt), (ins),
1470 "vmrs", "\t$Rt, fpsid", []>;
1471 def VMRS_MVFR0 : MovFromVFP<0b0111 /* mvfr0 */, (outs GPR:$Rt), (ins),
1472 "vmrs", "\t$Rt, mvfr0", []>;
1473 def VMRS_MVFR1 : MovFromVFP<0b0110 /* mvfr1 */, (outs GPR:$Rt), (ins),
1474 "vmrs", "\t$Rt, mvfr1", []>;
1475 def VMRS_FPINST : MovFromVFP<0b1001 /* fpinst */, (outs GPR:$Rt), (ins),
1476 "vmrs", "\t$Rt, fpinst", []>;
1477 def VMRS_FPINST2 : MovFromVFP<0b1010 /* fpinst2 */, (outs GPR:$Rt), (ins),
1478 "vmrs", "\t$Rt, fpinst2", []>;
1481 //===----------------------------------------------------------------------===//
1482 // Move from ARM core register to VFP System Register.
1485 class MovToVFP<bits<4> opc19_16, dag oops, dag iops, string opc, string asm,
1487 VFPAI<oops, iops, VFPMiscFrm, IIC_fpSTAT, opc, asm, pattern> {
1489 // Instruction operand.
1492 // Encode instruction operand.
1493 let Inst{15-12} = src;
1495 let Inst{27-20} = 0b11101110;
1496 let Inst{19-16} = opc19_16;
1497 let Inst{11-8} = 0b1010;
1502 let Defs = [FPSCR] in {
1503 // Application level GPR -> FPSCR
1504 def VMSR : MovToVFP<0b0001 /* fpscr */, (outs), (ins GPR:$src),
1505 "vmsr", "\tfpscr, $src", [(int_arm_set_fpscr GPR:$src)]>;
1506 // System level GPR -> FPEXC
1507 def VMSR_FPEXC : MovToVFP<0b1000 /* fpexc */, (outs), (ins GPR:$src),
1508 "vmsr", "\tfpexc, $src", []>;
1509 // System level GPR -> FPSID
1510 def VMSR_FPSID : MovToVFP<0b0000 /* fpsid */, (outs), (ins GPR:$src),
1511 "vmsr", "\tfpsid, $src", []>;
1513 def VMSR_FPINST : MovToVFP<0b1001 /* fpinst */, (outs), (ins GPR:$src),
1514 "vmsr", "\tfpinst, $src", []>;
1515 def VMSR_FPINST2 : MovToVFP<0b1010 /* fpinst2 */, (outs), (ins GPR:$src),
1516 "vmsr", "\tfpinst2, $src", []>;
1519 //===----------------------------------------------------------------------===//
1523 // Materialize FP immediates. VFP3 only.
1524 let isReMaterializable = 1 in {
1525 def FCONSTD : VFPAI<(outs DPR:$Dd), (ins vfp_f64imm:$imm),
1526 VFPMiscFrm, IIC_fpUNA64,
1527 "vmov", ".f64\t$Dd, $imm",
1528 [(set DPR:$Dd, vfp_f64imm:$imm)]>, Requires<[HasVFP3]> {
1532 let Inst{27-23} = 0b11101;
1533 let Inst{22} = Dd{4};
1534 let Inst{21-20} = 0b11;
1535 let Inst{19-16} = imm{7-4};
1536 let Inst{15-12} = Dd{3-0};
1537 let Inst{11-9} = 0b101;
1538 let Inst{8} = 1; // Double precision.
1539 let Inst{7-4} = 0b0000;
1540 let Inst{3-0} = imm{3-0};
1543 def FCONSTS : VFPAI<(outs SPR:$Sd), (ins vfp_f32imm:$imm),
1544 VFPMiscFrm, IIC_fpUNA32,
1545 "vmov", ".f32\t$Sd, $imm",
1546 [(set SPR:$Sd, vfp_f32imm:$imm)]>, Requires<[HasVFP3]> {
1550 let Inst{27-23} = 0b11101;
1551 let Inst{22} = Sd{0};
1552 let Inst{21-20} = 0b11;
1553 let Inst{19-16} = imm{7-4};
1554 let Inst{15-12} = Sd{4-1};
1555 let Inst{11-9} = 0b101;
1556 let Inst{8} = 0; // Single precision.
1557 let Inst{7-4} = 0b0000;
1558 let Inst{3-0} = imm{3-0};
1562 //===----------------------------------------------------------------------===//
1563 // Assembler aliases.
1565 // A few mnemnoic aliases for pre-unifixed syntax. We don't guarantee to
1566 // support them all, but supporting at least some of the basics is
1567 // good to be friendly.
1568 def : VFP2MnemonicAlias<"flds", "vldr">;
1569 def : VFP2MnemonicAlias<"fldd", "vldr">;
1570 def : VFP2MnemonicAlias<"fmrs", "vmov">;
1571 def : VFP2MnemonicAlias<"fmsr", "vmov">;
1572 def : VFP2MnemonicAlias<"fsqrts", "vsqrt">;
1573 def : VFP2MnemonicAlias<"fsqrtd", "vsqrt">;
1574 def : VFP2MnemonicAlias<"fadds", "vadd.f32">;
1575 def : VFP2MnemonicAlias<"faddd", "vadd.f64">;
1576 def : VFP2MnemonicAlias<"fmrdd", "vmov">;
1577 def : VFP2MnemonicAlias<"fmrds", "vmov">;
1578 def : VFP2MnemonicAlias<"fmrrd", "vmov">;
1579 def : VFP2MnemonicAlias<"fmdrr", "vmov">;
1580 def : VFP2MnemonicAlias<"fmuls", "vmul.f32">;
1581 def : VFP2MnemonicAlias<"fmuld", "vmul.f64">;
1582 def : VFP2MnemonicAlias<"fnegs", "vneg.f32">;
1583 def : VFP2MnemonicAlias<"fnegd", "vneg.f64">;
1584 def : VFP2MnemonicAlias<"ftosizd", "vcvt.s32.f64">;
1585 def : VFP2MnemonicAlias<"ftosid", "vcvtr.s32.f64">;
1586 def : VFP2MnemonicAlias<"ftosizs", "vcvt.s32.f32">;
1587 def : VFP2MnemonicAlias<"ftosis", "vcvtr.s32.f32">;
1588 def : VFP2MnemonicAlias<"ftouizd", "vcvt.u32.f64">;
1589 def : VFP2MnemonicAlias<"ftouid", "vcvtr.u32.f64">;
1590 def : VFP2MnemonicAlias<"ftouizs", "vcvt.u32.f32">;
1591 def : VFP2MnemonicAlias<"ftouis", "vcvtr.u32.f32">;
1592 def : VFP2MnemonicAlias<"fsitod", "vcvt.f64.s32">;
1593 def : VFP2MnemonicAlias<"fsitos", "vcvt.f32.s32">;
1594 def : VFP2MnemonicAlias<"fuitod", "vcvt.f64.u32">;
1595 def : VFP2MnemonicAlias<"fuitos", "vcvt.f32.u32">;
1596 def : VFP2MnemonicAlias<"fsts", "vstr">;
1597 def : VFP2MnemonicAlias<"fstd", "vstr">;
1598 def : VFP2MnemonicAlias<"fmacd", "vmla.f64">;
1599 def : VFP2MnemonicAlias<"fmacs", "vmla.f32">;
1600 def : VFP2MnemonicAlias<"fcpys", "vmov.f32">;
1601 def : VFP2MnemonicAlias<"fcpyd", "vmov.f64">;
1602 def : VFP2MnemonicAlias<"fcmps", "vcmp.f32">;
1603 def : VFP2MnemonicAlias<"fcmpd", "vcmp.f64">;
1604 def : VFP2MnemonicAlias<"fdivs", "vdiv.f32">;
1605 def : VFP2MnemonicAlias<"fdivd", "vdiv.f64">;
1606 def : VFP2MnemonicAlias<"fmrx", "vmrs">;
1607 def : VFP2MnemonicAlias<"fmxr", "vmsr">;
1609 // Be friendly and accept the old form of zero-compare
1610 def : VFP2InstAlias<"fcmpzd${p} $val", (VCMPZD DPR:$val, pred:$p)>;
1611 def : VFP2InstAlias<"fcmpzs${p} $val", (VCMPZS SPR:$val, pred:$p)>;
1614 def : VFP2InstAlias<"fmstat${p}", (FMSTAT pred:$p)>;
1615 def : VFP2InstAlias<"fadds${p} $Sd, $Sn, $Sm",
1616 (VADDS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
1617 def : VFP2InstAlias<"faddd${p} $Dd, $Dn, $Dm",
1618 (VADDD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
1619 def : VFP2InstAlias<"fsubs${p} $Sd, $Sn, $Sm",
1620 (VSUBS SPR:$Sd, SPR:$Sn, SPR:$Sm, pred:$p)>;
1621 def : VFP2InstAlias<"fsubd${p} $Dd, $Dn, $Dm",
1622 (VSUBD DPR:$Dd, DPR:$Dn, DPR:$Dm, pred:$p)>;
1624 // No need for the size suffix on VSQRT. It's implied by the register classes.
1625 def : VFP2InstAlias<"vsqrt${p} $Sd, $Sm", (VSQRTS SPR:$Sd, SPR:$Sm, pred:$p)>;
1626 def : VFP2InstAlias<"vsqrt${p} $Dd, $Dm", (VSQRTD DPR:$Dd, DPR:$Dm, pred:$p)>;
1628 // VLDR/VSTR accept an optional type suffix.
1629 def : VFP2InstAlias<"vldr${p}.32 $Sd, $addr",
1630 (VLDRS SPR:$Sd, addrmode5:$addr, pred:$p)>;
1631 def : VFP2InstAlias<"vstr${p}.32 $Sd, $addr",
1632 (VSTRS SPR:$Sd, addrmode5:$addr, pred:$p)>;
1633 def : VFP2InstAlias<"vldr${p}.64 $Dd, $addr",
1634 (VLDRD DPR:$Dd, addrmode5:$addr, pred:$p)>;
1635 def : VFP2InstAlias<"vstr${p}.64 $Dd, $addr",
1636 (VSTRD DPR:$Dd, addrmode5:$addr, pred:$p)>;
1638 // VMOV can accept optional 32-bit or less data type suffix suffix.
1639 def : VFP2InstAlias<"vmov${p}.8 $Rt, $Sn",
1640 (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
1641 def : VFP2InstAlias<"vmov${p}.16 $Rt, $Sn",
1642 (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
1643 def : VFP2InstAlias<"vmov${p}.32 $Rt, $Sn",
1644 (VMOVRS GPR:$Rt, SPR:$Sn, pred:$p)>;
1645 def : VFP2InstAlias<"vmov${p}.8 $Sn, $Rt",
1646 (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
1647 def : VFP2InstAlias<"vmov${p}.16 $Sn, $Rt",
1648 (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
1649 def : VFP2InstAlias<"vmov${p}.32 $Sn, $Rt",
1650 (VMOVSR SPR:$Sn, GPR:$Rt, pred:$p)>;
1652 def : VFP2InstAlias<"vmov${p}.f64 $Rt, $Rt2, $Dn",
1653 (VMOVRRD GPR:$Rt, GPR:$Rt2, DPR:$Dn, pred:$p)>;
1654 def : VFP2InstAlias<"vmov${p}.f64 $Dn, $Rt, $Rt2",
1655 (VMOVDRR DPR:$Dn, GPR:$Rt, GPR:$Rt2, pred:$p)>;
1657 // VMOVS doesn't need the .f32 to disambiguate from the NEON encoding the way
1659 def : VFP2InstAlias<"vmov${p} $Sd, $Sm",
1660 (VMOVS SPR:$Sd, SPR:$Sm, pred:$p)>;