|  | //===-- AMDGPUInstructions.td - Common instruction defs ---*- tablegen -*-===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // This file contains instruction defs that are common to all hw codegen | 
|  | // targets. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | class AMDGPUInst <dag outs, dag ins, string asm, list<dag> pattern> : Instruction { | 
|  | field bit isRegisterLoad = 0; | 
|  | field bit isRegisterStore = 0; | 
|  |  | 
|  | let Namespace = "AMDGPU"; | 
|  | let OutOperandList = outs; | 
|  | let InOperandList = ins; | 
|  | let AsmString = asm; | 
|  | let Pattern = pattern; | 
|  | let Itinerary = NullALU; | 
|  |  | 
|  | // SoftFail is a field the disassembler can use to provide a way for | 
|  | // instructions to not match without killing the whole decode process. It is | 
|  | // mainly used for ARM, but Tablegen expects this field to exist or it fails | 
|  | // to build the decode table. | 
|  | field bits<64> SoftFail = 0; | 
|  |  | 
|  | let DecoderNamespace = Namespace; | 
|  |  | 
|  | let TSFlags{63} = isRegisterLoad; | 
|  | let TSFlags{62} = isRegisterStore; | 
|  | } | 
|  |  | 
|  | class AMDGPUShaderInst <dag outs, dag ins, string asm, list<dag> pattern> | 
|  | : AMDGPUInst<outs, ins, asm, pattern> { | 
|  |  | 
|  | field bits<32> Inst = 0xffffffff; | 
|  |  | 
|  | } | 
|  |  | 
|  | def FP32Denormals : Predicate<"Subtarget.hasFP32Denormals()">; | 
|  | def FP64Denormals : Predicate<"Subtarget.hasFP64Denormals()">; | 
|  | def UnsafeFPMath : Predicate<"TM.Options.UnsafeFPMath">; | 
|  |  | 
|  | def InstFlag : OperandWithDefaultOps <i32, (ops (i32 0))>; | 
|  | def ADDRIndirect : ComplexPattern<iPTR, 2, "SelectADDRIndirect", [], []>; | 
|  |  | 
|  | let OperandType = "OPERAND_IMMEDIATE" in { | 
|  |  | 
|  | def u32imm : Operand<i32> { | 
|  | let PrintMethod = "printU32ImmOperand"; | 
|  | } | 
|  |  | 
|  | def u16imm : Operand<i16> { | 
|  | let PrintMethod = "printU16ImmOperand"; | 
|  | } | 
|  |  | 
|  | def u8imm : Operand<i8> { | 
|  | let PrintMethod = "printU8ImmOperand"; | 
|  | } | 
|  |  | 
|  | } // End OperandType = "OPERAND_IMMEDIATE" | 
|  |  | 
|  | //===--------------------------------------------------------------------===// | 
|  | // Custom Operands | 
|  | //===--------------------------------------------------------------------===// | 
|  | def brtarget   : Operand<OtherVT>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PatLeafs for floating-point comparisons | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def COND_OEQ : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETOEQ || N->get() == ISD::SETEQ;}] | 
|  | >; | 
|  |  | 
|  | def COND_ONE : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETONE || N->get() == ISD::SETNE;}] | 
|  | >; | 
|  |  | 
|  | def COND_OGT : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETOGT || N->get() == ISD::SETGT;}] | 
|  | >; | 
|  |  | 
|  | def COND_OGE : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETOGE || N->get() == ISD::SETGE;}] | 
|  | >; | 
|  |  | 
|  | def COND_OLT : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETOLT || N->get() == ISD::SETLT;}] | 
|  | >; | 
|  |  | 
|  | def COND_OLE : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETOLE || N->get() == ISD::SETLE;}] | 
|  | >; | 
|  |  | 
|  |  | 
|  | def COND_O : PatLeaf <(cond), [{return N->get() == ISD::SETO;}]>; | 
|  | def COND_UO : PatLeaf <(cond), [{return N->get() == ISD::SETUO;}]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PatLeafs for unsigned / unordered comparisons | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def COND_UEQ : PatLeaf <(cond), [{return N->get() == ISD::SETUEQ;}]>; | 
|  | def COND_UNE : PatLeaf <(cond), [{return N->get() == ISD::SETUNE;}]>; | 
|  | def COND_UGT : PatLeaf <(cond), [{return N->get() == ISD::SETUGT;}]>; | 
|  | def COND_UGE : PatLeaf <(cond), [{return N->get() == ISD::SETUGE;}]>; | 
|  | def COND_ULT : PatLeaf <(cond), [{return N->get() == ISD::SETULT;}]>; | 
|  | def COND_ULE : PatLeaf <(cond), [{return N->get() == ISD::SETULE;}]>; | 
|  |  | 
|  | // XXX - For some reason R600 version is preferring to use unordered | 
|  | // for setne? | 
|  | def COND_UNE_NE : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETUNE || N->get() == ISD::SETNE;}] | 
|  | >; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PatLeafs for signed comparisons | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def COND_SGT : PatLeaf <(cond), [{return N->get() == ISD::SETGT;}]>; | 
|  | def COND_SGE : PatLeaf <(cond), [{return N->get() == ISD::SETGE;}]>; | 
|  | def COND_SLT : PatLeaf <(cond), [{return N->get() == ISD::SETLT;}]>; | 
|  | def COND_SLE : PatLeaf <(cond), [{return N->get() == ISD::SETLE;}]>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // PatLeafs for integer equality | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | def COND_EQ : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETEQ || N->get() == ISD::SETUEQ;}] | 
|  | >; | 
|  |  | 
|  | def COND_NE : PatLeaf < | 
|  | (cond), | 
|  | [{return N->get() == ISD::SETNE || N->get() == ISD::SETUNE;}] | 
|  | >; | 
|  |  | 
|  | def COND_NULL : PatLeaf < | 
|  | (cond), | 
|  | [{(void)N; return false;}] | 
|  | >; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Load/Store Pattern Fragments | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | class PrivateMemOp <dag ops, dag frag> : PatFrag <ops, frag, [{ | 
|  | return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::PRIVATE_ADDRESS; | 
|  | }]>; | 
|  |  | 
|  | class PrivateLoad <SDPatternOperator op> : PrivateMemOp < | 
|  | (ops node:$ptr), (op node:$ptr) | 
|  | >; | 
|  |  | 
|  | class PrivateStore <SDPatternOperator op> : PrivateMemOp < | 
|  | (ops node:$value, node:$ptr), (op node:$value, node:$ptr) | 
|  | >; | 
|  |  | 
|  | def load_private : PrivateLoad <load>; | 
|  |  | 
|  | def truncstorei8_private : PrivateStore <truncstorei8>; | 
|  | def truncstorei16_private : PrivateStore <truncstorei16>; | 
|  | def store_private : PrivateStore <store>; | 
|  |  | 
|  | def global_store : PatFrag<(ops node:$val, node:$ptr), | 
|  | (store node:$val, node:$ptr), [{ | 
|  | return isGlobalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | // Global address space loads | 
|  | def global_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | // Constant address space loads | 
|  | def constant_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | class AZExtLoadBase <SDPatternOperator ld_node>: PatFrag<(ops node:$ptr), | 
|  | (ld_node node:$ptr), [{ | 
|  | LoadSDNode *L = cast<LoadSDNode>(N); | 
|  | return L->getExtensionType() == ISD::ZEXTLOAD || | 
|  | L->getExtensionType() == ISD::EXTLOAD; | 
|  | }]>; | 
|  |  | 
|  | def az_extload : AZExtLoadBase <unindexedload>; | 
|  |  | 
|  | def az_extloadi8 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{ | 
|  | return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8; | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi8_global : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi8_global : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi8_constant : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi8_constant : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi8_local : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{ | 
|  | return isLocalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi8_local : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{ | 
|  | return isLocalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def extloadi8_private : PrivateLoad <az_extloadi8>; | 
|  | def sextloadi8_private : PrivateLoad <sextloadi8>; | 
|  |  | 
|  | def az_extloadi16 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{ | 
|  | return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16; | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi16_global : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi16_global : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi16_constant : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi16_constant : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi16_local : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{ | 
|  | return isLocalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def sextloadi16_local : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{ | 
|  | return isLocalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def extloadi16_private : PrivateLoad <az_extloadi16>; | 
|  | def sextloadi16_private : PrivateLoad <sextloadi16>; | 
|  |  | 
|  | def az_extloadi32 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{ | 
|  | return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32; | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi32_global : PatFrag<(ops node:$ptr), | 
|  | (az_extloadi32 node:$ptr), [{ | 
|  | return isGlobalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi32_flat : PatFrag<(ops node:$ptr), | 
|  | (az_extloadi32 node:$ptr), [{ | 
|  | return isFlatLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def az_extloadi32_constant : PatFrag<(ops node:$ptr), | 
|  | (az_extloadi32 node:$ptr), [{ | 
|  | return isConstantLoad(dyn_cast<LoadSDNode>(N), -1); | 
|  | }]>; | 
|  |  | 
|  | def truncstorei8_global : PatFrag<(ops node:$val, node:$ptr), | 
|  | (truncstorei8 node:$val, node:$ptr), [{ | 
|  | return isGlobalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def truncstorei16_global : PatFrag<(ops node:$val, node:$ptr), | 
|  | (truncstorei16 node:$val, node:$ptr), [{ | 
|  | return isGlobalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def local_store : PatFrag<(ops node:$val, node:$ptr), | 
|  | (store node:$val, node:$ptr), [{ | 
|  | return isLocalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def truncstorei8_local : PatFrag<(ops node:$val, node:$ptr), | 
|  | (truncstorei8 node:$val, node:$ptr), [{ | 
|  | return isLocalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def truncstorei16_local : PatFrag<(ops node:$val, node:$ptr), | 
|  | (truncstorei16 node:$val, node:$ptr), [{ | 
|  | return isLocalStore(dyn_cast<StoreSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | def local_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{ | 
|  | return isLocalLoad(dyn_cast<LoadSDNode>(N)); | 
|  | }]>; | 
|  |  | 
|  | class Aligned8Bytes <dag ops, dag frag> : PatFrag <ops, frag, [{ | 
|  | return cast<MemSDNode>(N)->getAlignment() % 8 == 0; | 
|  | }]>; | 
|  |  | 
|  | def local_load_aligned8bytes : Aligned8Bytes < | 
|  | (ops node:$ptr), (local_load node:$ptr) | 
|  | >; | 
|  |  | 
|  | def local_store_aligned8bytes : Aligned8Bytes < | 
|  | (ops node:$val, node:$ptr), (local_store node:$val, node:$ptr) | 
|  | >; | 
|  |  | 
|  | class local_binary_atomic_op<SDNode atomic_op> : | 
|  | PatFrag<(ops node:$ptr, node:$value), | 
|  | (atomic_op node:$ptr, node:$value), [{ | 
|  | return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS; | 
|  | }]>; | 
|  |  | 
|  |  | 
|  | def atomic_swap_local : local_binary_atomic_op<atomic_swap>; | 
|  | def atomic_load_add_local : local_binary_atomic_op<atomic_load_add>; | 
|  | def atomic_load_sub_local : local_binary_atomic_op<atomic_load_sub>; | 
|  | def atomic_load_and_local : local_binary_atomic_op<atomic_load_and>; | 
|  | def atomic_load_or_local : local_binary_atomic_op<atomic_load_or>; | 
|  | def atomic_load_xor_local : local_binary_atomic_op<atomic_load_xor>; | 
|  | def atomic_load_nand_local : local_binary_atomic_op<atomic_load_nand>; | 
|  | def atomic_load_min_local : local_binary_atomic_op<atomic_load_min>; | 
|  | def atomic_load_max_local : local_binary_atomic_op<atomic_load_max>; | 
|  | def atomic_load_umin_local : local_binary_atomic_op<atomic_load_umin>; | 
|  | def atomic_load_umax_local : local_binary_atomic_op<atomic_load_umax>; | 
|  |  | 
|  | def mskor_global : PatFrag<(ops node:$val, node:$ptr), | 
|  | (AMDGPUstore_mskor node:$val, node:$ptr), [{ | 
|  | return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS; | 
|  | }]>; | 
|  |  | 
|  | multiclass AtomicCmpSwapLocal <SDNode cmp_swap_node> { | 
|  |  | 
|  | def _32_local : PatFrag < | 
|  | (ops node:$ptr, node:$cmp, node:$swap), | 
|  | (cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{ | 
|  | AtomicSDNode *AN = cast<AtomicSDNode>(N); | 
|  | return AN->getMemoryVT() == MVT::i32 && | 
|  | AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS; | 
|  | }]>; | 
|  |  | 
|  | def _64_local : PatFrag< | 
|  | (ops node:$ptr, node:$cmp, node:$swap), | 
|  | (cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{ | 
|  | AtomicSDNode *AN = cast<AtomicSDNode>(N); | 
|  | return AN->getMemoryVT() == MVT::i64 && | 
|  | AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS; | 
|  | }]>; | 
|  | } | 
|  |  | 
|  | defm atomic_cmp_swap : AtomicCmpSwapLocal <atomic_cmp_swap>; | 
|  |  | 
|  | def mskor_flat : PatFrag<(ops node:$val, node:$ptr), | 
|  | (AMDGPUstore_mskor node:$val, node:$ptr), [{ | 
|  | return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::FLAT_ADDRESS; | 
|  | }]>; | 
|  |  | 
|  | class global_binary_atomic_op<SDNode atomic_op> : PatFrag< | 
|  | (ops node:$ptr, node:$value), | 
|  | (atomic_op node:$ptr, node:$value), | 
|  | [{return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;}] | 
|  | >; | 
|  |  | 
|  | def atomic_swap_global : global_binary_atomic_op<atomic_swap>; | 
|  | def atomic_add_global : global_binary_atomic_op<atomic_load_add>; | 
|  | def atomic_and_global : global_binary_atomic_op<atomic_load_and>; | 
|  | def atomic_max_global : global_binary_atomic_op<atomic_load_max>; | 
|  | def atomic_min_global : global_binary_atomic_op<atomic_load_min>; | 
|  | def atomic_or_global : global_binary_atomic_op<atomic_load_or>; | 
|  | def atomic_sub_global : global_binary_atomic_op<atomic_load_sub>; | 
|  | def atomic_umax_global : global_binary_atomic_op<atomic_load_umax>; | 
|  | def atomic_umin_global : global_binary_atomic_op<atomic_load_umin>; | 
|  | def atomic_xor_global : global_binary_atomic_op<atomic_load_xor>; | 
|  |  | 
|  | //===----------------------------------------------------------------------===// | 
|  | // Misc Pattern Fragments | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | class Constants { | 
|  | int TWO_PI = 0x40c90fdb; | 
|  | int PI = 0x40490fdb; | 
|  | int TWO_PI_INV = 0x3e22f983; | 
|  | int FP_UINT_MAX_PLUS_1 = 0x4f800000;    // 1 << 32 in floating point encoding | 
|  | int FP32_NEG_ONE = 0xbf800000; | 
|  | int FP32_ONE = 0x3f800000; | 
|  | } | 
|  | def CONST : Constants; | 
|  |  | 
|  | def FP_ZERO : PatLeaf < | 
|  | (fpimm), | 
|  | [{return N->getValueAPF().isZero();}] | 
|  | >; | 
|  |  | 
|  | def FP_ONE : PatLeaf < | 
|  | (fpimm), | 
|  | [{return N->isExactlyValue(1.0);}] | 
|  | >; | 
|  |  | 
|  | def FP_HALF : PatLeaf < | 
|  | (fpimm), | 
|  | [{return N->isExactlyValue(0.5);}] | 
|  | >; | 
|  |  | 
|  | let isCodeGenOnly = 1, isPseudo = 1 in { | 
|  |  | 
|  | let usesCustomInserter = 1  in { | 
|  |  | 
|  | class CLAMP <RegisterClass rc> : AMDGPUShaderInst < | 
|  | (outs rc:$dst), | 
|  | (ins rc:$src0), | 
|  | "CLAMP $dst, $src0", | 
|  | [(set f32:$dst, (AMDGPUclamp f32:$src0, (f32 FP_ZERO), (f32 FP_ONE)))] | 
|  | >; | 
|  |  | 
|  | class FABS <RegisterClass rc> : AMDGPUShaderInst < | 
|  | (outs rc:$dst), | 
|  | (ins rc:$src0), | 
|  | "FABS $dst, $src0", | 
|  | [(set f32:$dst, (fabs f32:$src0))] | 
|  | >; | 
|  |  | 
|  | class FNEG <RegisterClass rc> : AMDGPUShaderInst < | 
|  | (outs rc:$dst), | 
|  | (ins rc:$src0), | 
|  | "FNEG $dst, $src0", | 
|  | [(set f32:$dst, (fneg f32:$src0))] | 
|  | >; | 
|  |  | 
|  | } // usesCustomInserter = 1 | 
|  |  | 
|  | multiclass RegisterLoadStore <RegisterClass dstClass, Operand addrClass, | 
|  | ComplexPattern addrPat> { | 
|  | let UseNamedOperandTable = 1 in { | 
|  |  | 
|  | def RegisterLoad : AMDGPUShaderInst < | 
|  | (outs dstClass:$dst), | 
|  | (ins addrClass:$addr, i32imm:$chan), | 
|  | "RegisterLoad $dst, $addr", | 
|  | [(set i32:$dst, (AMDGPUregister_load addrPat:$addr, (i32 timm:$chan)))] | 
|  | > { | 
|  | let isRegisterLoad = 1; | 
|  | } | 
|  |  | 
|  | def RegisterStore : AMDGPUShaderInst < | 
|  | (outs), | 
|  | (ins dstClass:$val, addrClass:$addr, i32imm:$chan), | 
|  | "RegisterStore $val, $addr", | 
|  | [(AMDGPUregister_store i32:$val, addrPat:$addr, (i32 timm:$chan))] | 
|  | > { | 
|  | let isRegisterStore = 1; | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | } // End isCodeGenOnly = 1, isPseudo = 1 | 
|  |  | 
|  | /* Generic helper patterns for intrinsics */ | 
|  | /* -------------------------------------- */ | 
|  |  | 
|  | class POW_Common <AMDGPUInst log_ieee, AMDGPUInst exp_ieee, AMDGPUInst mul> | 
|  | : Pat < | 
|  | (fpow f32:$src0, f32:$src1), | 
|  | (exp_ieee (mul f32:$src1, (log_ieee f32:$src0))) | 
|  | >; | 
|  |  | 
|  | /* Other helper patterns */ | 
|  | /* --------------------- */ | 
|  |  | 
|  | /* Extract element pattern */ | 
|  | class Extract_Element <ValueType sub_type, ValueType vec_type, int sub_idx, | 
|  | SubRegIndex sub_reg> | 
|  | : Pat< | 
|  | (sub_type (extractelt vec_type:$src, sub_idx)), | 
|  | (EXTRACT_SUBREG $src, sub_reg) | 
|  | >; | 
|  |  | 
|  | /* Insert element pattern */ | 
|  | class Insert_Element <ValueType elem_type, ValueType vec_type, | 
|  | int sub_idx, SubRegIndex sub_reg> | 
|  | : Pat < | 
|  | (insertelt vec_type:$vec, elem_type:$elem, sub_idx), | 
|  | (INSERT_SUBREG $vec, $elem, sub_reg) | 
|  | >; | 
|  |  | 
|  | // XXX: Convert to new syntax and use COPY_TO_REG, once the DFAPacketizer | 
|  | // can handle COPY instructions. | 
|  | // bitconvert pattern | 
|  | class BitConvert <ValueType dt, ValueType st, RegisterClass rc> : Pat < | 
|  | (dt (bitconvert (st rc:$src0))), | 
|  | (dt rc:$src0) | 
|  | >; | 
|  |  | 
|  | // XXX: Convert to new syntax and use COPY_TO_REG, once the DFAPacketizer | 
|  | // can handle COPY instructions. | 
|  | class DwordAddrPat<ValueType vt, RegisterClass rc> : Pat < | 
|  | (vt (AMDGPUdwordaddr (vt rc:$addr))), | 
|  | (vt rc:$addr) | 
|  | >; | 
|  |  | 
|  | // BFI_INT patterns | 
|  |  | 
|  | multiclass BFIPatterns <Instruction BFI_INT, | 
|  | Instruction LoadImm32, | 
|  | RegisterClass RC64> { | 
|  | // Definition from ISA doc: | 
|  | // (y & x) | (z & ~x) | 
|  | def : Pat < | 
|  | (or (and i32:$y, i32:$x), (and i32:$z, (not i32:$x))), | 
|  | (BFI_INT $x, $y, $z) | 
|  | >; | 
|  |  | 
|  | // SHA-256 Ch function | 
|  | // z ^ (x & (y ^ z)) | 
|  | def : Pat < | 
|  | (xor i32:$z, (and i32:$x, (xor i32:$y, i32:$z))), | 
|  | (BFI_INT $x, $y, $z) | 
|  | >; | 
|  |  | 
|  | def : Pat < | 
|  | (fcopysign f32:$src0, f32:$src1), | 
|  | (BFI_INT (LoadImm32 0x7fffffff), $src0, $src1) | 
|  | >; | 
|  |  | 
|  | def : Pat < | 
|  | (f64 (fcopysign f64:$src0, f64:$src1)), | 
|  | (REG_SEQUENCE RC64, | 
|  | (i32 (EXTRACT_SUBREG $src0, sub0)), sub0, | 
|  | (BFI_INT (LoadImm32 0x7fffffff), | 
|  | (i32 (EXTRACT_SUBREG $src0, sub1)), | 
|  | (i32 (EXTRACT_SUBREG $src1, sub1))), sub1) | 
|  | >; | 
|  | } | 
|  |  | 
|  | // SHA-256 Ma patterns | 
|  |  | 
|  | // ((x & z) | (y & (x | z))) -> BFI_INT (XOR x, y), z, y | 
|  | class SHA256MaPattern <Instruction BFI_INT, Instruction XOR> : Pat < | 
|  | (or (and i32:$x, i32:$z), (and i32:$y, (or i32:$x, i32:$z))), | 
|  | (BFI_INT (XOR i32:$x, i32:$y), i32:$z, i32:$y) | 
|  | >; | 
|  |  | 
|  | // Bitfield extract patterns | 
|  |  | 
|  | def IMMZeroBasedBitfieldMask : PatLeaf <(imm), [{ | 
|  | return isMask_32(N->getZExtValue()); | 
|  | }]>; | 
|  |  | 
|  | def IMMPopCount : SDNodeXForm<imm, [{ | 
|  | return CurDAG->getTargetConstant(countPopulation(N->getZExtValue()), SDLoc(N), | 
|  | MVT::i32); | 
|  | }]>; | 
|  |  | 
|  | class BFEPattern <Instruction BFE, Instruction MOV> : Pat < | 
|  | (i32 (and (i32 (srl i32:$src, i32:$rshift)), IMMZeroBasedBitfieldMask:$mask)), | 
|  | (BFE $src, $rshift, (MOV (i32 (IMMPopCount $mask)))) | 
|  | >; | 
|  |  | 
|  | // rotr pattern | 
|  | class ROTRPattern <Instruction BIT_ALIGN> : Pat < | 
|  | (rotr i32:$src0, i32:$src1), | 
|  | (BIT_ALIGN $src0, $src0, $src1) | 
|  | >; | 
|  |  | 
|  | // 24-bit arithmetic patterns | 
|  | def umul24 : PatFrag <(ops node:$x, node:$y), (mul node:$x, node:$y)>; | 
|  |  | 
|  | // Special conversion patterns | 
|  |  | 
|  | def cvt_rpi_i32_f32 : PatFrag < | 
|  | (ops node:$src), | 
|  | (fp_to_sint (ffloor (fadd $src, FP_HALF))), | 
|  | [{ (void) N; return TM.Options.NoNaNsFPMath; }] | 
|  | >; | 
|  |  | 
|  | def cvt_flr_i32_f32 : PatFrag < | 
|  | (ops node:$src), | 
|  | (fp_to_sint (ffloor $src)), | 
|  | [{ (void)N; return TM.Options.NoNaNsFPMath; }] | 
|  | >; | 
|  |  | 
|  | class IMad24Pat<Instruction Inst> : Pat < | 
|  | (add (AMDGPUmul_i24 i32:$src0, i32:$src1), i32:$src2), | 
|  | (Inst $src0, $src1, $src2) | 
|  | >; | 
|  |  | 
|  | class UMad24Pat<Instruction Inst> : Pat < | 
|  | (add (AMDGPUmul_u24 i32:$src0, i32:$src1), i32:$src2), | 
|  | (Inst $src0, $src1, $src2) | 
|  | >; | 
|  |  | 
|  | class RcpPat<Instruction RcpInst, ValueType vt> : Pat < | 
|  | (fdiv FP_ONE, vt:$src), | 
|  | (RcpInst $src) | 
|  | >; | 
|  |  | 
|  | class RsqPat<Instruction RsqInst, ValueType vt> : Pat < | 
|  | (AMDGPUrcp (fsqrt vt:$src)), | 
|  | (RsqInst $src) | 
|  | >; | 
|  |  | 
|  | include "R600Instructions.td" | 
|  | include "R700Instructions.td" | 
|  | include "EvergreenInstructions.td" | 
|  | include "CaymanInstructions.td" | 
|  |  | 
|  | include "SIInstrInfo.td" | 
|  |  |