| //===-- SystemZOperators.td - SystemZ-specific operators ------*- tblgen-*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Type profiles |
| //===----------------------------------------------------------------------===// |
| def SDT_CallSeqStart : SDCallSeqStart<[SDTCisVT<0, i64>]>; |
| def SDT_CallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i64>, |
| SDTCisVT<1, i64>]>; |
| def SDT_ZCall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>; |
| def SDT_ZCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>; |
| def SDT_ZICmp : SDTypeProfile<0, 3, |
| [SDTCisSameAs<0, 1>, |
| SDTCisVT<2, i32>]>; |
| def SDT_ZBRCCMask : SDTypeProfile<0, 3, |
| [SDTCisVT<0, i32>, |
| SDTCisVT<1, i32>, |
| SDTCisVT<2, OtherVT>]>; |
| def SDT_ZSelectCCMask : SDTypeProfile<1, 4, |
| [SDTCisSameAs<0, 1>, |
| SDTCisSameAs<1, 2>, |
| SDTCisVT<3, i32>, |
| SDTCisVT<4, i32>]>; |
| def SDT_ZWrapPtr : SDTypeProfile<1, 1, |
| [SDTCisSameAs<0, 1>, |
| SDTCisPtrTy<0>]>; |
| def SDT_ZWrapOffset : SDTypeProfile<1, 2, |
| [SDTCisSameAs<0, 1>, |
| SDTCisSameAs<0, 2>, |
| SDTCisPtrTy<0>]>; |
| def SDT_ZAdjDynAlloc : SDTypeProfile<1, 0, [SDTCisVT<0, i64>]>; |
| def SDT_ZExtractAccess : SDTypeProfile<1, 1, |
| [SDTCisVT<0, i32>, |
| SDTCisVT<1, i32>]>; |
| def SDT_ZGR128Binary32 : SDTypeProfile<1, 2, |
| [SDTCisVT<0, untyped>, |
| SDTCisVT<1, untyped>, |
| SDTCisVT<2, i32>]>; |
| def SDT_ZGR128Binary64 : SDTypeProfile<1, 2, |
| [SDTCisVT<0, untyped>, |
| SDTCisVT<1, untyped>, |
| SDTCisVT<2, i64>]>; |
| def SDT_ZAtomicLoadBinaryW : SDTypeProfile<1, 5, |
| [SDTCisVT<0, i32>, |
| SDTCisPtrTy<1>, |
| SDTCisVT<2, i32>, |
| SDTCisVT<3, i32>, |
| SDTCisVT<4, i32>, |
| SDTCisVT<5, i32>]>; |
| def SDT_ZAtomicCmpSwapW : SDTypeProfile<1, 6, |
| [SDTCisVT<0, i32>, |
| SDTCisPtrTy<1>, |
| SDTCisVT<2, i32>, |
| SDTCisVT<3, i32>, |
| SDTCisVT<4, i32>, |
| SDTCisVT<5, i32>, |
| SDTCisVT<6, i32>]>; |
| def SDT_ZMemMemLength : SDTypeProfile<0, 3, |
| [SDTCisPtrTy<0>, |
| SDTCisPtrTy<1>, |
| SDTCisVT<2, i64>]>; |
| def SDT_ZMemMemLoop : SDTypeProfile<0, 4, |
| [SDTCisPtrTy<0>, |
| SDTCisPtrTy<1>, |
| SDTCisVT<2, i64>, |
| SDTCisVT<3, i64>]>; |
| def SDT_ZString : SDTypeProfile<1, 3, |
| [SDTCisPtrTy<0>, |
| SDTCisPtrTy<1>, |
| SDTCisPtrTy<2>, |
| SDTCisVT<3, i32>]>; |
| def SDT_ZI32Intrinsic : SDTypeProfile<1, 0, [SDTCisVT<0, i32>]>; |
| def SDT_ZPrefetch : SDTypeProfile<0, 2, |
| [SDTCisVT<0, i32>, |
| SDTCisPtrTy<1>]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Node definitions |
| //===----------------------------------------------------------------------===// |
| |
| // These are target-independent nodes, but have target-specific formats. |
| def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_CallSeqStart, |
| [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>; |
| def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_CallSeqEnd, |
| [SDNPHasChain, SDNPSideEffect, SDNPOptInGlue, |
| SDNPOutGlue]>; |
| |
| // Nodes for SystemZISD::*. See SystemZISelLowering.h for more details. |
| def z_retflag : SDNode<"SystemZISD::RET_FLAG", SDTNone, |
| [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>; |
| def z_call : SDNode<"SystemZISD::CALL", SDT_ZCall, |
| [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue, |
| SDNPVariadic]>; |
| def z_sibcall : SDNode<"SystemZISD::SIBCALL", SDT_ZCall, |
| [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue, |
| SDNPVariadic]>; |
| def z_pcrel_wrapper : SDNode<"SystemZISD::PCREL_WRAPPER", SDT_ZWrapPtr, []>; |
| def z_pcrel_offset : SDNode<"SystemZISD::PCREL_OFFSET", |
| SDT_ZWrapOffset, []>; |
| def z_iabs : SDNode<"SystemZISD::IABS", SDTIntUnaryOp, []>; |
| def z_icmp : SDNode<"SystemZISD::ICMP", SDT_ZICmp, [SDNPOutGlue]>; |
| def z_fcmp : SDNode<"SystemZISD::FCMP", SDT_ZCmp, [SDNPOutGlue]>; |
| def z_tm : SDNode<"SystemZISD::TM", SDT_ZICmp, [SDNPOutGlue]>; |
| def z_br_ccmask : SDNode<"SystemZISD::BR_CCMASK", SDT_ZBRCCMask, |
| [SDNPHasChain, SDNPInGlue]>; |
| def z_select_ccmask : SDNode<"SystemZISD::SELECT_CCMASK", SDT_ZSelectCCMask, |
| [SDNPInGlue]>; |
| def z_adjdynalloc : SDNode<"SystemZISD::ADJDYNALLOC", SDT_ZAdjDynAlloc>; |
| def z_extract_access : SDNode<"SystemZISD::EXTRACT_ACCESS", |
| SDT_ZExtractAccess>; |
| def z_umul_lohi64 : SDNode<"SystemZISD::UMUL_LOHI64", SDT_ZGR128Binary64>; |
| def z_sdivrem32 : SDNode<"SystemZISD::SDIVREM32", SDT_ZGR128Binary32>; |
| def z_sdivrem64 : SDNode<"SystemZISD::SDIVREM64", SDT_ZGR128Binary64>; |
| def z_udivrem32 : SDNode<"SystemZISD::UDIVREM32", SDT_ZGR128Binary32>; |
| def z_udivrem64 : SDNode<"SystemZISD::UDIVREM64", SDT_ZGR128Binary64>; |
| |
| def z_serialize : SDNode<"SystemZISD::SERIALIZE", SDTNone, |
| [SDNPHasChain, SDNPMayStore]>; |
| |
| class AtomicWOp<string name, SDTypeProfile profile = SDT_ZAtomicLoadBinaryW> |
| : SDNode<"SystemZISD::"##name, profile, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad, SDNPMemOperand]>; |
| |
| def z_atomic_swapw : AtomicWOp<"ATOMIC_SWAPW">; |
| def z_atomic_loadw_add : AtomicWOp<"ATOMIC_LOADW_ADD">; |
| def z_atomic_loadw_sub : AtomicWOp<"ATOMIC_LOADW_SUB">; |
| def z_atomic_loadw_and : AtomicWOp<"ATOMIC_LOADW_AND">; |
| def z_atomic_loadw_or : AtomicWOp<"ATOMIC_LOADW_OR">; |
| def z_atomic_loadw_xor : AtomicWOp<"ATOMIC_LOADW_XOR">; |
| def z_atomic_loadw_nand : AtomicWOp<"ATOMIC_LOADW_NAND">; |
| def z_atomic_loadw_min : AtomicWOp<"ATOMIC_LOADW_MIN">; |
| def z_atomic_loadw_max : AtomicWOp<"ATOMIC_LOADW_MAX">; |
| def z_atomic_loadw_umin : AtomicWOp<"ATOMIC_LOADW_UMIN">; |
| def z_atomic_loadw_umax : AtomicWOp<"ATOMIC_LOADW_UMAX">; |
| def z_atomic_cmp_swapw : AtomicWOp<"ATOMIC_CMP_SWAPW", SDT_ZAtomicCmpSwapW>; |
| |
| def z_mvc : SDNode<"SystemZISD::MVC", SDT_ZMemMemLength, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_mvc_loop : SDNode<"SystemZISD::MVC_LOOP", SDT_ZMemMemLoop, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_nc : SDNode<"SystemZISD::NC", SDT_ZMemMemLength, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_nc_loop : SDNode<"SystemZISD::NC_LOOP", SDT_ZMemMemLoop, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_oc : SDNode<"SystemZISD::OC", SDT_ZMemMemLength, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_oc_loop : SDNode<"SystemZISD::OC_LOOP", SDT_ZMemMemLoop, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_xc : SDNode<"SystemZISD::XC", SDT_ZMemMemLength, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_xc_loop : SDNode<"SystemZISD::XC_LOOP", SDT_ZMemMemLoop, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_clc : SDNode<"SystemZISD::CLC", SDT_ZMemMemLength, |
| [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>; |
| def z_clc_loop : SDNode<"SystemZISD::CLC_LOOP", SDT_ZMemMemLoop, |
| [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>; |
| def z_strcmp : SDNode<"SystemZISD::STRCMP", SDT_ZString, |
| [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>; |
| def z_stpcpy : SDNode<"SystemZISD::STPCPY", SDT_ZString, |
| [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>; |
| def z_search_string : SDNode<"SystemZISD::SEARCH_STRING", SDT_ZString, |
| [SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>; |
| def z_ipm : SDNode<"SystemZISD::IPM", SDT_ZI32Intrinsic, |
| [SDNPInGlue]>; |
| def z_prefetch : SDNode<"SystemZISD::PREFETCH", SDT_ZPrefetch, |
| [SDNPHasChain, SDNPMayLoad, SDNPMayStore, |
| SDNPMemOperand]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Pattern fragments |
| //===----------------------------------------------------------------------===// |
| |
| // Signed and unsigned comparisons. |
| def z_scmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{ |
| unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue(); |
| return Type != SystemZICMP::UnsignedOnly; |
| }]>; |
| def z_ucmp : PatFrag<(ops node:$a, node:$b), (z_icmp node:$a, node:$b, imm), [{ |
| unsigned Type = cast<ConstantSDNode>(N->getOperand(2))->getZExtValue(); |
| return Type != SystemZICMP::SignedOnly; |
| }]>; |
| |
| // Register- and memory-based TEST UNDER MASK. |
| def z_tm_reg : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, imm)>; |
| def z_tm_mem : PatFrag<(ops node:$a, node:$b), (z_tm node:$a, node:$b, 0)>; |
| |
| // Register sign-extend operations. Sub-32-bit values are represented as i32s. |
| def sext8 : PatFrag<(ops node:$src), (sext_inreg node:$src, i8)>; |
| def sext16 : PatFrag<(ops node:$src), (sext_inreg node:$src, i16)>; |
| def sext32 : PatFrag<(ops node:$src), (sext (i32 node:$src))>; |
| |
| // Register zero-extend operations. Sub-32-bit values are represented as i32s. |
| def zext8 : PatFrag<(ops node:$src), (and node:$src, 0xff)>; |
| def zext16 : PatFrag<(ops node:$src), (and node:$src, 0xffff)>; |
| def zext32 : PatFrag<(ops node:$src), (zext (i32 node:$src))>; |
| |
| // Typed floating-point loads. |
| def loadf32 : PatFrag<(ops node:$src), (f32 (load node:$src))>; |
| def loadf64 : PatFrag<(ops node:$src), (f64 (load node:$src))>; |
| |
| // Extending loads in which the extension type can be signed. |
| def asextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{ |
| unsigned Type = cast<LoadSDNode>(N)->getExtensionType(); |
| return Type == ISD::EXTLOAD || Type == ISD::SEXTLOAD; |
| }]>; |
| def asextloadi8 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8; |
| }]>; |
| def asextloadi16 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16; |
| }]>; |
| def asextloadi32 : PatFrag<(ops node:$ptr), (asextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32; |
| }]>; |
| |
| // Extending loads in which the extension type can be unsigned. |
| def azextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{ |
| unsigned Type = cast<LoadSDNode>(N)->getExtensionType(); |
| return Type == ISD::EXTLOAD || Type == ISD::ZEXTLOAD; |
| }]>; |
| def azextloadi8 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8; |
| }]>; |
| def azextloadi16 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16; |
| }]>; |
| def azextloadi32 : PatFrag<(ops node:$ptr), (azextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32; |
| }]>; |
| |
| // Extending loads in which the extension type doesn't matter. |
| def anyextload : PatFrag<(ops node:$ptr), (unindexedload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getExtensionType() != ISD::NON_EXTLOAD; |
| }]>; |
| def anyextloadi8 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8; |
| }]>; |
| def anyextloadi16 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16; |
| }]>; |
| def anyextloadi32 : PatFrag<(ops node:$ptr), (anyextload node:$ptr), [{ |
| return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32; |
| }]>; |
| |
| // Aligned loads. |
| class AlignedLoad<SDPatternOperator load> |
| : PatFrag<(ops node:$addr), (load node:$addr), [{ |
| auto *Load = cast<LoadSDNode>(N); |
| return Load->getAlignment() >= Load->getMemoryVT().getStoreSize(); |
| }]>; |
| def aligned_load : AlignedLoad<load>; |
| def aligned_asextloadi16 : AlignedLoad<asextloadi16>; |
| def aligned_asextloadi32 : AlignedLoad<asextloadi32>; |
| def aligned_azextloadi16 : AlignedLoad<azextloadi16>; |
| def aligned_azextloadi32 : AlignedLoad<azextloadi32>; |
| |
| // Aligned stores. |
| class AlignedStore<SDPatternOperator store> |
| : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{ |
| auto *Store = cast<StoreSDNode>(N); |
| return Store->getAlignment() >= Store->getMemoryVT().getStoreSize(); |
| }]>; |
| def aligned_store : AlignedStore<store>; |
| def aligned_truncstorei16 : AlignedStore<truncstorei16>; |
| def aligned_truncstorei32 : AlignedStore<truncstorei32>; |
| |
| // Non-volatile loads. Used for instructions that might access the storage |
| // location multiple times. |
| class NonvolatileLoad<SDPatternOperator load> |
| : PatFrag<(ops node:$addr), (load node:$addr), [{ |
| auto *Load = cast<LoadSDNode>(N); |
| return !Load->isVolatile(); |
| }]>; |
| def nonvolatile_load : NonvolatileLoad<load>; |
| def nonvolatile_anyextloadi8 : NonvolatileLoad<anyextloadi8>; |
| def nonvolatile_anyextloadi16 : NonvolatileLoad<anyextloadi16>; |
| def nonvolatile_anyextloadi32 : NonvolatileLoad<anyextloadi32>; |
| |
| // Non-volatile stores. |
| class NonvolatileStore<SDPatternOperator store> |
| : PatFrag<(ops node:$src, node:$addr), (store node:$src, node:$addr), [{ |
| auto *Store = cast<StoreSDNode>(N); |
| return !Store->isVolatile(); |
| }]>; |
| def nonvolatile_store : NonvolatileStore<store>; |
| def nonvolatile_truncstorei8 : NonvolatileStore<truncstorei8>; |
| def nonvolatile_truncstorei16 : NonvolatileStore<truncstorei16>; |
| def nonvolatile_truncstorei32 : NonvolatileStore<truncstorei32>; |
| |
| // A store of a load that can be implemented using MVC. |
| def mvc_store : PatFrag<(ops node:$value, node:$addr), |
| (unindexedstore node:$value, node:$addr), |
| [{ return storeLoadCanUseMVC(N); }]>; |
| |
| // Binary read-modify-write operations on memory in which the other |
| // operand is also memory and for which block operations like NC can |
| // be used. There are two patterns for each operator, depending on |
| // which operand contains the "other" load. |
| multiclass block_op<SDPatternOperator operator> { |
| def "1" : PatFrag<(ops node:$value, node:$addr), |
| (unindexedstore (operator node:$value, |
| (unindexedload node:$addr)), |
| node:$addr), |
| [{ return storeLoadCanUseBlockBinary(N, 0); }]>; |
| def "2" : PatFrag<(ops node:$value, node:$addr), |
| (unindexedstore (operator (unindexedload node:$addr), |
| node:$value), |
| node:$addr), |
| [{ return storeLoadCanUseBlockBinary(N, 1); }]>; |
| } |
| defm block_and : block_op<and>; |
| defm block_or : block_op<or>; |
| defm block_xor : block_op<xor>; |
| |
| // Insertions. |
| def inserti8 : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, -256), node:$src2)>; |
| def insertll : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0xffffffffffff0000), node:$src2)>; |
| def insertlh : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0xffffffff0000ffff), node:$src2)>; |
| def inserthl : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0xffff0000ffffffff), node:$src2)>; |
| def inserthh : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0x0000ffffffffffff), node:$src2)>; |
| def insertlf : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0xffffffff00000000), node:$src2)>; |
| def inserthf : PatFrag<(ops node:$src1, node:$src2), |
| (or (and node:$src1, 0x00000000ffffffff), node:$src2)>; |
| |
| // ORs that can be treated as insertions. |
| def or_as_inserti8 : PatFrag<(ops node:$src1, node:$src2), |
| (or node:$src1, node:$src2), [{ |
| unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits(); |
| return CurDAG->MaskedValueIsZero(N->getOperand(0), |
| APInt::getLowBitsSet(BitWidth, 8)); |
| }]>; |
| |
| // ORs that can be treated as reversed insertions. |
| def or_as_revinserti8 : PatFrag<(ops node:$src1, node:$src2), |
| (or node:$src1, node:$src2), [{ |
| unsigned BitWidth = N->getValueType(0).getScalarType().getSizeInBits(); |
| return CurDAG->MaskedValueIsZero(N->getOperand(1), |
| APInt::getLowBitsSet(BitWidth, 8)); |
| }]>; |
| |
| // Negative integer absolute. |
| def z_inegabs : PatFrag<(ops node:$src), (ineg (z_iabs node:$src))>; |
| |
| // Integer absolute, matching the canonical form generated by DAGCombiner. |
| def z_iabs32 : PatFrag<(ops node:$src), |
| (xor (add node:$src, (sra node:$src, (i32 31))), |
| (sra node:$src, (i32 31)))>; |
| def z_iabs64 : PatFrag<(ops node:$src), |
| (xor (add node:$src, (sra node:$src, (i32 63))), |
| (sra node:$src, (i32 63)))>; |
| def z_inegabs32 : PatFrag<(ops node:$src), (ineg (z_iabs32 node:$src))>; |
| def z_inegabs64 : PatFrag<(ops node:$src), (ineg (z_iabs64 node:$src))>; |
| |
| // Fused multiply-add and multiply-subtract, but with the order of the |
| // operands matching SystemZ's MA and MS instructions. |
| def z_fma : PatFrag<(ops node:$src1, node:$src2, node:$src3), |
| (fma node:$src2, node:$src3, node:$src1)>; |
| def z_fms : PatFrag<(ops node:$src1, node:$src2, node:$src3), |
| (fma node:$src2, node:$src3, (fneg node:$src1))>; |
| |
| // Floating-point negative absolute. |
| def fnabs : PatFrag<(ops node:$ptr), (fneg (fabs node:$ptr))>; |
| |
| // Create a unary operator that loads from memory and then performs |
| // the given operation on it. |
| class loadu<SDPatternOperator operator, SDPatternOperator load = load> |
| : PatFrag<(ops node:$addr), (operator (load node:$addr))>; |
| |
| // Create a store operator that performs the given unary operation |
| // on the value before storing it. |
| class storeu<SDPatternOperator operator, SDPatternOperator store = store> |
| : PatFrag<(ops node:$value, node:$addr), |
| (store (operator node:$value), node:$addr)>; |
