1 //===-- SystemZOperators.td - SystemZ-specific operators ------*- tblgen-*-===//
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 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
13 def SDT_CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i64>]>;
14 def SDT_CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i64>,
16 def SDT_ZCall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
17 def SDT_ZCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
18 def SDT_ZICmp : SDTypeProfile<0, 3,
21 def SDT_ZBRCCMask : SDTypeProfile<0, 3,
24 SDTCisVT<2, OtherVT>]>;
25 def SDT_ZSelectCCMask : SDTypeProfile<1, 4,
30 def SDT_ZWrapPtr : SDTypeProfile<1, 1,
33 def SDT_ZWrapOffset : SDTypeProfile<1, 2,
37 def SDT_ZAdjDynAlloc : SDTypeProfile<1, 0, [SDTCisVT<0, i64>]>;
38 def SDT_ZExtractAccess : SDTypeProfile<1, 1,
41 def SDT_ZGR128Binary32 : SDTypeProfile<1, 2,
42 [SDTCisVT<0, untyped>,
45 def SDT_ZGR128Binary64 : SDTypeProfile<1, 2,
46 [SDTCisVT<0, untyped>,
49 def SDT_ZAtomicLoadBinaryW : SDTypeProfile<1, 5,
56 def SDT_ZAtomicCmpSwapW : SDTypeProfile<1, 6,
64 def SDT_ZMemMemLength : SDTypeProfile<0, 3,
68 def SDT_ZMemMemLoop : SDTypeProfile<0, 4,
73 def SDT_ZString : SDTypeProfile<1, 3,
78 def SDT_ZI32Intrinsic : SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>;
79 def SDT_ZPrefetch : SDTypeProfile<0, 2,
82 def SDT_ZTBegin : SDTypeProfile<0, 2,
86 //===----------------------------------------------------------------------===//
88 //===----------------------------------------------------------------------===//
90 // These are target-independent nodes, but have target-specific formats.
91 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_CallSeqStart,
92 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
93 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_CallSeqEnd,
94 [SDNPHasChain, SDNPSideEffect, SDNPOptInGlue,
96 def global_offset_table : SDNode<"ISD::GLOBAL_OFFSET_TABLE", SDTPtrLeaf>;
98 // Nodes for SystemZISD::*. See SystemZISelLowering.h for more details.
99 def z_retflag : SDNode<"SystemZISD::RET_FLAG", SDTNone,
100 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
101 def z_call : SDNode<"SystemZISD::CALL", SDT_ZCall,
102 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
104 def z_sibcall : SDNode<"SystemZISD::SIBCALL", SDT_ZCall,
105 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
107 def z_tls_gdcall : SDNode<"SystemZISD::TLS_GDCALL", SDT_ZCall,
108 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
110 def z_tls_ldcall : SDNode<"SystemZISD::TLS_LDCALL", SDT_ZCall,
111 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
113 def z_pcrel_wrapper : SDNode<"SystemZISD::PCREL_WRAPPER", SDT_ZWrapPtr, []>;
114 def z_pcrel_offset : SDNode<"SystemZISD::PCREL_OFFSET",
115 SDT_ZWrapOffset, []>;
116 def z_iabs : SDNode<"SystemZISD::IABS", SDTIntUnaryOp, []>;
117 def z_icmp : SDNode<"SystemZISD::ICMP", SDT_ZICmp, [SDNPOutGlue]>;
118 def z_fcmp : SDNode<"SystemZISD::FCMP", SDT_ZCmp, [SDNPOutGlue]>;
119 def z_tm : SDNode<"SystemZISD::TM", SDT_ZICmp, [SDNPOutGlue]>;
120 def z_br_ccmask : SDNode<"SystemZISD::BR_CCMASK", SDT_ZBRCCMask,
121 [SDNPHasChain, SDNPInGlue]>;
122 def z_select_ccmask : SDNode<"SystemZISD::SELECT_CCMASK", SDT_ZSelectCCMask,
124 def z_adjdynalloc : SDNode<"SystemZISD::ADJDYNALLOC", SDT_ZAdjDynAlloc>;
125 def z_extract_access : SDNode<"SystemZISD::EXTRACT_ACCESS",
127 def z_popcnt : SDNode<"SystemZISD::POPCNT", SDTIntUnaryOp>;
128 def z_umul_lohi64 : SDNode<"SystemZISD::UMUL_LOHI64", SDT_ZGR128Binary64>;
129 def z_sdivrem32 : SDNode<"SystemZISD::SDIVREM32", SDT_ZGR128Binary32>;
130 def z_sdivrem64 : SDNode<"SystemZISD::SDIVREM64", SDT_ZGR128Binary64>;
131 def z_udivrem32 : SDNode<"SystemZISD::UDIVREM32", SDT_ZGR128Binary32>;
132 def z_udivrem64 : SDNode<"SystemZISD::UDIVREM64", SDT_ZGR128Binary64>;
134 def z_serialize : SDNode<"SystemZISD::SERIALIZE", SDTNone,
135 [SDNPHasChain, SDNPMayStore]>;
137 class AtomicWOp<string name, SDTypeProfile profile = SDT_ZAtomicLoadBinaryW>
138 : SDNode<"SystemZISD::"##name, profile,
139 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
141 def z_atomic_swapw : AtomicWOp<"ATOMIC_SWAPW">;
142 def z_atomic_loadw_add : AtomicWOp<"ATOMIC_LOADW_ADD">;
143 def z_atomic_loadw_sub : AtomicWOp<"ATOMIC_LOADW_SUB">;
144 def z_atomic_loadw_and : AtomicWOp<"ATOMIC_LOADW_AND">;
145 def z_atomic_loadw_or : AtomicWOp<"ATOMIC_LOADW_OR">;
146 def z_atomic_loadw_xor : AtomicWOp<"ATOMIC_LOADW_XOR">;
147 def z_atomic_loadw_nand : AtomicWOp<"ATOMIC_LOADW_NAND">;
148 def z_atomic_loadw_min : AtomicWOp<"ATOMIC_LOADW_MIN">;
149 def z_atomic_loadw_max : AtomicWOp<"ATOMIC_LOADW_MAX">;
150 def z_atomic_loadw_umin : AtomicWOp<"ATOMIC_LOADW_UMIN">;
151 def z_atomic_loadw_umax : AtomicWOp<"ATOMIC_LOADW_UMAX">;
152 def z_atomic_cmp_swapw : AtomicWOp<"ATOMIC_CMP_SWAPW", SDT_ZAtomicCmpSwapW>;
154 def z_mvc : SDNode<"SystemZISD::MVC", SDT_ZMemMemLength,
155 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
156 def z_mvc_loop : SDNode<"SystemZISD::MVC_LOOP", SDT_ZMemMemLoop,
157 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
158 def z_nc : SDNode<"SystemZISD::NC", SDT_ZMemMemLength,
159 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
160 def z_nc_loop : SDNode<"SystemZISD::NC_LOOP", SDT_ZMemMemLoop,
161 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
162 def z_oc : SDNode<"SystemZISD::OC", SDT_ZMemMemLength,
163 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
164 def z_oc_loop : SDNode<"SystemZISD::OC_LOOP", SDT_ZMemMemLoop,
165 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
166 def z_xc : SDNode<"SystemZISD::XC", SDT_ZMemMemLength,
167 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
168 def z_xc_loop : SDNode<"SystemZISD::XC_LOOP", SDT_ZMemMemLoop,
169 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
170 def z_clc : SDNode<"SystemZISD::CLC", SDT_ZMemMemLength,
171 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
172 def z_clc_loop : SDNode<"SystemZISD::CLC_LOOP", SDT_ZMemMemLoop,
173 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
174 def z_strcmp : SDNode<"SystemZISD::STRCMP", SDT_ZString,
175 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
176 def z_stpcpy : SDNode<"SystemZISD::STPCPY", SDT_ZString,
177 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
178 def z_search_string : SDNode<"SystemZISD::SEARCH_STRING", SDT_ZString,
179 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
180 def z_ipm : SDNode<"SystemZISD::IPM", SDT_ZI32Intrinsic,
182 def z_prefetch : SDNode<"SystemZISD::PREFETCH", SDT_ZPrefetch,
183 [SDNPHasChain, SDNPMayLoad, SDNPMayStore,
186 def z_tbegin : SDNode<"SystemZISD::TBEGIN", SDT_ZTBegin,
187 [SDNPHasChain, SDNPOutGlue, SDNPMayStore,
189 def z_tbegin_nofloat : SDNode<"SystemZISD::TBEGIN_NOFLOAT", SDT_ZTBegin,
190 [SDNPHasChain, SDNPOutGlue, SDNPMayStore,
192 def z_tend : SDNode<"SystemZISD::TEND", SDTNone,
193 [SDNPHasChain, SDNPOutGlue, SDNPSideEffect]>;
195 //===----------------------------------------------------------------------===//
197 //===----------------------------------------------------------------------===//
199 // Signed and unsigned comparisons.
200 def z_scmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{
201 unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue();
202 return Type != SystemZICMP::UnsignedOnly;
204 def z_ucmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{
205 unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue();
206 return Type != SystemZICMP::SignedOnly;
209 // Register- and memory-based TEST UNDER MASK.
210 def z_tm_reg : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, imm)>;
211 def z_tm_mem : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, 0)>;
213 // Register sign-extend operations. Sub-32-bit values are represented as i32s.
214 def sext8 : PatFrag<(ops node:$src), (sext_inreg node:$src, i8)>;
215 def sext16 : PatFrag<(ops node:$src), (sext_inreg node:$src, i16)>;
216 def sext32 : PatFrag<(ops node:$src), (sext (i32 node:$src))>;
218 // Register zero-extend operations. Sub-32-bit values are represented as i32s.
219 def zext8 : PatFrag<(ops node:$src), (and node:$src, 0xff)>;
220 def zext16 : PatFrag<(ops node:$src), (and node:$src, 0xffff)>;
221 def zext32 : PatFrag<(ops node:$src), (zext (i32 node:$src))>;
223 // Typed floating-point loads.
224 def loadf32 : PatFrag<(ops node:$src), (f32 (load node:$src))>;
225 def loadf64 : PatFrag<(ops node:$src), (f64 (load node:$src))>;
227 // Extending loads in which the extension type can be signed.
228 def asextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
229 unsigned Type = cast<LoadSDNode>(N)->getExtensionType();
230 return Type == ISD::EXTLOAD || Type == ISD::SEXTLOAD;
232 def asextloadi8 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
233 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
235 def asextloadi16 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
236 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
238 def asextloadi32 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{
239 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
242 // Extending loads in which the extension type can be unsigned.
243 def azextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
244 unsigned Type = cast<LoadSDNode>(N)->getExtensionType();
245 return Type == ISD::EXTLOAD || Type == ISD::ZEXTLOAD;
247 def azextloadi8 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
248 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
250 def azextloadi16 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
251 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
253 def azextloadi32 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{
254 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
257 // Extending loads in which the extension type doesn't matter.
258 def anyextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
259 return cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD;
261 def anyextloadi8 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
262 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
264 def anyextloadi16 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
265 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
267 def anyextloadi32 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
268 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
272 class AlignedLoad<SDPatternOperator load>
273 : PatFrag<(ops node:$addr), (load node:$addr), [{
274 auto *Load = cast<LoadSDNode>(N);
275 return Load->getAlignment() >= Load->getMemoryVT().getStoreSize();
277 def aligned_load : AlignedLoad<load>;
278 def aligned_asextloadi16 : AlignedLoad<asextloadi16>;
279 def aligned_asextloadi32 : AlignedLoad<asextloadi32>;
280 def aligned_azextloadi16 : AlignedLoad<azextloadi16>;
281 def aligned_azextloadi32 : AlignedLoad<azextloadi32>;
284 class AlignedStore<SDPatternOperator store>
285 : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
286 auto *Store = cast<StoreSDNode>(N);
287 return Store->getAlignment() >= Store->getMemoryVT().getStoreSize();
289 def aligned_store : AlignedStore<store>;
290 def aligned_truncstorei16 : AlignedStore<truncstorei16>;
291 def aligned_truncstorei32 : AlignedStore<truncstorei32>;
293 // Non-volatile loads. Used for instructions that might access the storage
294 // location multiple times.
295 class NonvolatileLoad<SDPatternOperator load>
296 : PatFrag<(ops node:$addr), (load node:$addr), [{
297 auto *Load = cast<LoadSDNode>(N);
298 return !Load->isVolatile();
300 def nonvolatile_load : NonvolatileLoad<load>;
301 def nonvolatile_anyextloadi8 : NonvolatileLoad<anyextloadi8>;
302 def nonvolatile_anyextloadi16 : NonvolatileLoad<anyextloadi16>;
303 def nonvolatile_anyextloadi32 : NonvolatileLoad<anyextloadi32>;
305 // Non-volatile stores.
306 class NonvolatileStore<SDPatternOperator store>
307 : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
308 auto *Store = cast<StoreSDNode>(N);
309 return !Store->isVolatile();
311 def nonvolatile_store : NonvolatileStore<store>;
312 def nonvolatile_truncstorei8 : NonvolatileStore<truncstorei8>;
313 def nonvolatile_truncstorei16 : NonvolatileStore<truncstorei16>;
314 def nonvolatile_truncstorei32 : NonvolatileStore<truncstorei32>;
316 // A store of a load that can be implemented using MVC.
317 def mvc_store : PatFrag<(ops node:$value, node:$addr),
318 (unindexedstore node:$value, node:$addr),
319 [{ return storeLoadCanUseMVC(N); }]>;
321 // Binary read-modify-write operations on memory in which the other
322 // operand is also memory and for which block operations like NC can
323 // be used. There are two patterns for each operator, depending on
324 // which operand contains the "other" load.
325 multiclass block_op<SDPatternOperator operator> {
326 def "1" : PatFrag<(ops node:$value, node:$addr),
327 (unindexedstore (operator node:$value,
328 (unindexedload node:$addr)),
330 [{ return storeLoadCanUseBlockBinary(N, 0); }]>;
331 def "2" : PatFrag<(ops node:$value, node:$addr),
332 (unindexedstore (operator (unindexedload node:$addr),
335 [{ return storeLoadCanUseBlockBinary(N, 1); }]>;
337 defm block_and : block_op<and>;
338 defm block_or : block_op<or>;
339 defm block_xor : block_op<xor>;
342 def inserti8 : PatFrag<(ops node:$src1, node:$src2),
343 (or (and node:$src1, -256), node:$src2)>;
344 def insertll : PatFrag<(ops node:$src1, node:$src2),
345 (or (and node:$src1, 0xffffffffffff0000), node:$src2)>;
346 def insertlh : PatFrag<(ops node:$src1, node:$src2),
347 (or (and node:$src1, 0xffffffff0000ffff), node:$src2)>;
348 def inserthl : PatFrag<(ops node:$src1, node:$src2),
349 (or (and node:$src1, 0xffff0000ffffffff), node:$src2)>;
350 def inserthh : PatFrag<(ops node:$src1, node:$src2),
351 (or (and node:$src1, 0x0000ffffffffffff), node:$src2)>;
352 def insertlf : PatFrag<(ops node:$src1, node:$src2),
353 (or (and node:$src1, 0xffffffff00000000), node:$src2)>;
354 def inserthf : PatFrag<(ops node:$src1, node:$src2),
355 (or (and node:$src1, 0x00000000ffffffff), node:$src2)>;
357 // ORs that can be treated as insertions.
358 def or_as_inserti8 : PatFrag<(ops node:$src1, node:$src2),
359 (or node:$src1, node:$src2), [{
360 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
361 return CurDAG->MaskedValueIsZero(N->getOperand(0),
362 APInt::getLowBitsSet(BitWidth, 8));
365 // ORs that can be treated as reversed insertions.
366 def or_as_revinserti8 : PatFrag<(ops node:$src1, node:$src2),
367 (or node:$src1, node:$src2), [{
368 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
369 return CurDAG->MaskedValueIsZero(N->getOperand(1),
370 APInt::getLowBitsSet(BitWidth, 8));
373 // Negative integer absolute.
374 def z_inegabs : PatFrag<(ops node:$src), (ineg (z_iabs node:$src))>;
376 // Integer absolute, matching the canonical form generated by DAGCombiner.
377 def z_iabs32 : PatFrag<(ops node:$src),
378 (xor (add node:$src, (sra node:$src, (i32 31))),
379 (sra node:$src, (i32 31)))>;
380 def z_iabs64 : PatFrag<(ops node:$src),
381 (xor (add node:$src, (sra node:$src, (i32 63))),
382 (sra node:$src, (i32 63)))>;
383 def z_inegabs32 : PatFrag<(ops node:$src), (ineg (z_iabs32 node:$src))>;
384 def z_inegabs64 : PatFrag<(ops node:$src), (ineg (z_iabs64 node:$src))>;
386 // Fused multiply-add and multiply-subtract, but with the order of the
387 // operands matching SystemZ's MA and MS instructions.
388 def z_fma : PatFrag<(ops node:$src1, node:$src2, node:$src3),
389 (fma node:$src2, node:$src3, node:$src1)>;
390 def z_fms : PatFrag<(ops node:$src1, node:$src2, node:$src3),
391 (fma node:$src2, node:$src3, (fneg node:$src1))>;
393 // Floating-point negative absolute.
394 def fnabs : PatFrag<(ops node:$ptr), (fneg (fabs node:$ptr))>;
396 // Create a unary operator that loads from memory and then performs
397 // the given operation on it.
398 class loadu<SDPatternOperator operator, SDPatternOperator load = load>
399 : PatFrag<(ops node:$addr), (operator (load node:$addr))>;
401 // Create a store operator that performs the given unary operation
402 // on the value before storing it.
403 class storeu<SDPatternOperator operator, SDPatternOperator store = store>
404 : PatFrag<(ops node:$value, node:$addr),
405 (store (operator node:$value), node:$addr)>;