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Diffstat (limited to 'capstone/suite/synctools/tablegen/AArch64/AArch64Schedule.td')
-rw-r--r-- | capstone/suite/synctools/tablegen/AArch64/AArch64Schedule.td | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/capstone/suite/synctools/tablegen/AArch64/AArch64Schedule.td b/capstone/suite/synctools/tablegen/AArch64/AArch64Schedule.td new file mode 100644 index 000000000..ce81f48ac --- /dev/null +++ b/capstone/suite/synctools/tablegen/AArch64/AArch64Schedule.td @@ -0,0 +1,106 @@ +//==-- AArch64Schedule.td - AArch64 Scheduling Definitions -*- tablegen -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// Define TII for use in SchedVariant Predicates. +// const MachineInstr *MI and const TargetSchedModel *SchedModel +// are defined by default. +def : PredicateProlog<[{ + const AArch64InstrInfo *TII = + static_cast<const AArch64InstrInfo*>(SchedModel->getInstrInfo()); + (void)TII; +}]>; + +// AArch64 Scheduler Definitions + +def WriteImm : SchedWrite; // MOVN, MOVZ +// TODO: Provide variants for MOV32/64imm Pseudos that dynamically +// select the correct sequence of WriteImms. + +def WriteI : SchedWrite; // ALU +def WriteISReg : SchedWrite; // ALU of Shifted-Reg +def WriteIEReg : SchedWrite; // ALU of Extended-Reg +def ReadI : SchedRead; // ALU +def ReadISReg : SchedRead; // ALU of Shifted-Reg +def ReadIEReg : SchedRead; // ALU of Extended-Reg +def WriteExtr : SchedWrite; // EXTR shifts a reg pair +def ReadExtrHi : SchedRead; // Read the high reg of the EXTR pair +def WriteIS : SchedWrite; // Shift/Scale +def WriteID32 : SchedWrite; // 32-bit Divide +def WriteID64 : SchedWrite; // 64-bit Divide +def ReadID : SchedRead; // 32/64-bit Divide +def WriteIM32 : SchedWrite; // 32-bit Multiply +def WriteIM64 : SchedWrite; // 64-bit Multiply +def ReadIM : SchedRead; // 32/64-bit Multiply +def ReadIMA : SchedRead; // 32/64-bit Multiply Accumulate +def WriteBr : SchedWrite; // Branch +def WriteBrReg : SchedWrite; // Indirect Branch + +def WriteLD : SchedWrite; // Load from base addr plus immediate offset +def WriteST : SchedWrite; // Store to base addr plus immediate offset +def WriteSTP : SchedWrite; // Store a register pair. +def WriteAdr : SchedWrite; // Address pre/post increment. + +def WriteLDIdx : SchedWrite; // Load from a register index (maybe scaled). +def WriteSTIdx : SchedWrite; // Store to a register index (maybe scaled). +def ReadAdrBase : SchedRead; // Read the base resister of a reg-offset LD/ST. + +// Predicate for determining when a shiftable register is shifted. +def RegShiftedPred : SchedPredicate<[{TII->hasShiftedReg(*MI)}]>; + +// Predicate for determining when a extendedable register is extended. +def RegExtendedPred : SchedPredicate<[{TII->hasExtendedReg(*MI)}]>; + +// ScaledIdxPred is true if a WriteLDIdx operand will be +// scaled. Subtargets can use this to dynamically select resources and +// latency for WriteLDIdx and ReadAdrBase. +def ScaledIdxPred : SchedPredicate<[{TII->isScaledAddr(*MI)}]>; + +// Serialized two-level address load. +// EXAMPLE: LOADGot +def WriteLDAdr : WriteSequence<[WriteAdr, WriteLD]>; + +// Serialized two-level address lookup. +// EXAMPLE: MOVaddr... +def WriteAdrAdr : WriteSequence<[WriteAdr, WriteAdr]>; + +// The second register of a load-pair. +// LDP,LDPSW,LDNP,LDXP,LDAXP +def WriteLDHi : SchedWrite; + +// Store-exclusive is a store followed by a dependent load. +def WriteSTX : WriteSequence<[WriteST, WriteLD]>; + +def WriteSys : SchedWrite; // Long, variable latency system ops. +def WriteBarrier : SchedWrite; // Memory barrier. +def WriteHint : SchedWrite; // Hint instruction. + +def WriteF : SchedWrite; // General floating-point ops. +def WriteFCmp : SchedWrite; // Floating-point compare. +def WriteFCvt : SchedWrite; // Float conversion. +def WriteFCopy : SchedWrite; // Float-int register copy. +def WriteFImm : SchedWrite; // Floating-point immediate. +def WriteFMul : SchedWrite; // Floating-point multiply. +def WriteFDiv : SchedWrite; // Floating-point division. + +def WriteV : SchedWrite; // Vector ops. +def WriteVLD : SchedWrite; // Vector loads. +def WriteVST : SchedWrite; // Vector stores. + +def WriteAtomic : SchedWrite; // Atomic memory operations (CAS, Swap, LDOP) + +// Read the unwritten lanes of the VLD's destination registers. +def ReadVLD : SchedRead; + +// Sequential vector load and shuffle. +def WriteVLDShuffle : WriteSequence<[WriteVLD, WriteV]>; +def WriteVLDPairShuffle : WriteSequence<[WriteVLD, WriteV, WriteV]>; + +// Store a shuffled vector. +def WriteVSTShuffle : WriteSequence<[WriteV, WriteVST]>; +def WriteVSTPairShuffle : WriteSequence<[WriteV, WriteV, WriteVST]>; |