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_ZBRCCMask : SDTypeProfile<0, 3,
21 SDTCisVT<2, OtherVT>]>;
22 def SDT_ZSelectCCMask : SDTypeProfile<1, 4,
27 def SDT_ZWrapPtr : SDTypeProfile<1, 1,
30 def SDT_ZAdjDynAlloc : SDTypeProfile<1, 0, [SDTCisVT<0, i64>]>;
31 def SDT_ZExtractAccess : SDTypeProfile<1, 1,
34 def SDT_ZGR128Binary32 : SDTypeProfile<1, 2,
35 [SDTCisVT<0, untyped>,
38 def SDT_ZGR128Binary64 : SDTypeProfile<1, 2,
39 [SDTCisVT<0, untyped>,
42 def SDT_ZAtomicLoadBinaryW : SDTypeProfile<1, 5,
49 def SDT_ZAtomicCmpSwapW : SDTypeProfile<1, 6,
57 def SDT_ZMemMemLength : SDTypeProfile<0, 3,
61 def SDT_ZString : SDTypeProfile<1, 3,
66 def SDT_ZI32Intrinsic : SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>;
68 //===----------------------------------------------------------------------===//
70 //===----------------------------------------------------------------------===//
72 // These are target-independent nodes, but have target-specific formats.
73 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_CallSeqStart,
74 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
75 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_CallSeqEnd,
76 [SDNPHasChain, SDNPSideEffect, SDNPOptInGlue,
79 // Nodes for SystemZISD::*. See SystemZISelLowering.h for more details.
80 def z_retflag : SDNode<"SystemZISD::RET_FLAG", SDTNone,
81 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
82 def z_call : SDNode<"SystemZISD::CALL", SDT_ZCall,
83 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
85 def z_pcrel_wrapper : SDNode<"SystemZISD::PCREL_WRAPPER", SDT_ZWrapPtr, []>;
86 def z_cmp : SDNode<"SystemZISD::CMP", SDT_ZCmp, [SDNPOutGlue]>;
87 def z_ucmp : SDNode<"SystemZISD::UCMP", SDT_ZCmp, [SDNPOutGlue]>;
88 def z_br_ccmask : SDNode<"SystemZISD::BR_CCMASK", SDT_ZBRCCMask,
89 [SDNPHasChain, SDNPInGlue]>;
90 def z_select_ccmask : SDNode<"SystemZISD::SELECT_CCMASK", SDT_ZSelectCCMask,
92 def z_adjdynalloc : SDNode<"SystemZISD::ADJDYNALLOC", SDT_ZAdjDynAlloc>;
93 def z_extract_access : SDNode<"SystemZISD::EXTRACT_ACCESS",
95 def z_umul_lohi64 : SDNode<"SystemZISD::UMUL_LOHI64", SDT_ZGR128Binary64>;
96 def z_sdivrem32 : SDNode<"SystemZISD::SDIVREM32", SDT_ZGR128Binary32>;
97 def z_sdivrem64 : SDNode<"SystemZISD::SDIVREM64", SDT_ZGR128Binary64>;
98 def z_udivrem32 : SDNode<"SystemZISD::UDIVREM32", SDT_ZGR128Binary32>;
99 def z_udivrem64 : SDNode<"SystemZISD::UDIVREM64", SDT_ZGR128Binary64>;
101 class AtomicWOp<string name, SDTypeProfile profile = SDT_ZAtomicLoadBinaryW>
102 : SDNode<"SystemZISD::"##name, profile,
103 [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>;
105 def z_atomic_swapw : AtomicWOp<"ATOMIC_SWAPW">;
106 def z_atomic_loadw_add : AtomicWOp<"ATOMIC_LOADW_ADD">;
107 def z_atomic_loadw_sub : AtomicWOp<"ATOMIC_LOADW_SUB">;
108 def z_atomic_loadw_and : AtomicWOp<"ATOMIC_LOADW_AND">;
109 def z_atomic_loadw_or : AtomicWOp<"ATOMIC_LOADW_OR">;
110 def z_atomic_loadw_xor : AtomicWOp<"ATOMIC_LOADW_XOR">;
111 def z_atomic_loadw_nand : AtomicWOp<"ATOMIC_LOADW_NAND">;
112 def z_atomic_loadw_min : AtomicWOp<"ATOMIC_LOADW_MIN">;
113 def z_atomic_loadw_max : AtomicWOp<"ATOMIC_LOADW_MAX">;
114 def z_atomic_loadw_umin : AtomicWOp<"ATOMIC_LOADW_UMIN">;
115 def z_atomic_loadw_umax : AtomicWOp<"ATOMIC_LOADW_UMAX">;
116 def z_atomic_cmp_swapw : AtomicWOp<"ATOMIC_CMP_SWAPW", SDT_ZAtomicCmpSwapW>;
118 def z_mvc : SDNode<"SystemZISD::MVC", SDT_ZMemMemLength,
119 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
120 def z_clc : SDNode<"SystemZISD::CLC", SDT_ZMemMemLength,
121 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
122 def z_strcmp : SDNode<"SystemZISD::STRCMP", SDT_ZString,
123 [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
124 def z_stpcpy : SDNode<"SystemZISD::STPCPY", SDT_ZString,
125 [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
126 def z_ipm : SDNode<"SystemZISD::IPM", SDT_ZI32Intrinsic,
129 //===----------------------------------------------------------------------===//
131 //===----------------------------------------------------------------------===//
133 // Register sign-extend operations. Sub-32-bit values are represented as i32s.
134 def sext8 : PatFrag<(ops node:$src), (sext_inreg node:$src, i8)>;
135 def sext16 : PatFrag<(ops node:$src), (sext_inreg node:$src, i16)>;
136 def sext32 : PatFrag<(ops node:$src), (sext (i32 node:$src))>;
138 // Register zero-extend operations. Sub-32-bit values are represented as i32s.
139 def zext8 : PatFrag<(ops node:$src), (and node:$src, 0xff)>;
140 def zext16 : PatFrag<(ops node:$src), (and node:$src, 0xffff)>;
141 def zext32 : PatFrag<(ops node:$src), (zext (i32 node:$src))>;
143 // Typed floating-point loads.
144 def loadf32 : PatFrag<(ops node:$src), (f32 (load node:$src))>;
145 def loadf64 : PatFrag<(ops node:$src), (f64 (load node:$src))>;
147 // Extending loads in which the extension type doesn't matter.
148 def anyextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{
149 return cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD;
151 def anyextloadi8 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
152 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
154 def anyextloadi16 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
155 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
157 def anyextloadi32 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{
158 return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
162 class AlignedLoad<SDPatternOperator load>
163 : PatFrag<(ops node:$addr), (load node:$addr), [{
164 LoadSDNode *Load = cast<LoadSDNode>(N);
165 return Load->getAlignment() >= Load->getMemoryVT().getStoreSize();
167 def aligned_load : AlignedLoad<load>;
168 def aligned_sextloadi16 : AlignedLoad<sextloadi16>;
169 def aligned_sextloadi32 : AlignedLoad<sextloadi32>;
170 def aligned_zextloadi16 : AlignedLoad<zextloadi16>;
171 def aligned_zextloadi32 : AlignedLoad<zextloadi32>;
174 class AlignedStore<SDPatternOperator store>
175 : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
176 StoreSDNode *Store = cast<StoreSDNode>(N);
177 return Store->getAlignment() >= Store->getMemoryVT().getStoreSize();
179 def aligned_store : AlignedStore<store>;
180 def aligned_truncstorei16 : AlignedStore<truncstorei16>;
181 def aligned_truncstorei32 : AlignedStore<truncstorei32>;
183 // Non-volatile loads. Used for instructions that might access the storage
184 // location multiple times.
185 class NonvolatileLoad<SDPatternOperator load>
186 : PatFrag<(ops node:$addr), (load node:$addr), [{
187 LoadSDNode *Load = cast<LoadSDNode>(N);
188 return !Load->isVolatile();
190 def nonvolatile_load : NonvolatileLoad<load>;
191 def nonvolatile_anyextloadi8 : NonvolatileLoad<anyextloadi8>;
192 def nonvolatile_anyextloadi16 : NonvolatileLoad<anyextloadi16>;
193 def nonvolatile_anyextloadi32 : NonvolatileLoad<anyextloadi32>;
195 // Non-volatile stores.
196 class NonvolatileStore<SDPatternOperator store>
197 : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{
198 StoreSDNode *Store = cast<StoreSDNode>(N);
199 return !Store->isVolatile();
201 def nonvolatile_store : NonvolatileStore<store>;
202 def nonvolatile_truncstorei8 : NonvolatileStore<truncstorei8>;
203 def nonvolatile_truncstorei16 : NonvolatileStore<truncstorei16>;
204 def nonvolatile_truncstorei32 : NonvolatileStore<truncstorei32>;
207 def inserti8 : PatFrag<(ops node:$src1, node:$src2),
208 (or (and node:$src1, -256), node:$src2)>;
209 def insertll : PatFrag<(ops node:$src1, node:$src2),
210 (or (and node:$src1, 0xffffffffffff0000), node:$src2)>;
211 def insertlh : PatFrag<(ops node:$src1, node:$src2),
212 (or (and node:$src1, 0xffffffff0000ffff), node:$src2)>;
213 def inserthl : PatFrag<(ops node:$src1, node:$src2),
214 (or (and node:$src1, 0xffff0000ffffffff), node:$src2)>;
215 def inserthh : PatFrag<(ops node:$src1, node:$src2),
216 (or (and node:$src1, 0x0000ffffffffffff), node:$src2)>;
217 def insertlf : PatFrag<(ops node:$src1, node:$src2),
218 (or (and node:$src1, 0xffffffff00000000), node:$src2)>;
219 def inserthf : PatFrag<(ops node:$src1, node:$src2),
220 (or (and node:$src1, 0x00000000ffffffff), node:$src2)>;
222 // ORs that can be treated as insertions.
223 def or_as_inserti8 : PatFrag<(ops node:$src1, node:$src2),
224 (or node:$src1, node:$src2), [{
225 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
226 return CurDAG->MaskedValueIsZero(N->getOperand(0),
227 APInt::getLowBitsSet(BitWidth, 8));
230 // ORs that can be treated as reversed insertions.
231 def or_as_revinserti8 : PatFrag<(ops node:$src1, node:$src2),
232 (or node:$src1, node:$src2), [{
233 unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits();
234 return CurDAG->MaskedValueIsZero(N->getOperand(1),
235 APInt::getLowBitsSet(BitWidth, 8));
238 // Fused multiply-add and multiply-subtract, but with the order of the
239 // operands matching SystemZ's MA and MS instructions.
240 def z_fma : PatFrag<(ops node:$src1, node:$src2, node:$src3),
241 (fma node:$src2, node:$src3, node:$src1)>;
242 def z_fms : PatFrag<(ops node:$src1, node:$src2, node:$src3),
243 (fma node:$src2, node:$src3, (fneg node:$src1))>;
245 // Floating-point negative absolute.
246 def fnabs : PatFrag<(ops node:$ptr), (fneg (fabs node:$ptr))>;
248 // Create a unary operator that loads from memory and then performs
249 // the given operation on it.
250 class loadu<SDPatternOperator operator, SDPatternOperator load = load>
251 : PatFrag<(ops node:$addr), (operator (load node:$addr))>;
253 // Create a store operator that performs the given unary operation
254 // on the value before storing it.
255 class storeu<SDPatternOperator operator, SDPatternOperator store = store>
256 : PatFrag<(ops node:$value, node:$addr),
257 (store (operator node:$value), node:$addr)>;