diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.h | 146 |
1 files changed, 124 insertions, 22 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.h b/lib/Target/PowerPC/PPCISelLowering.h index 902b188..12b3df7 100644 --- a/lib/Target/PowerPC/PPCISelLowering.h +++ b/lib/Target/PowerPC/PPCISelLowering.h @@ -17,8 +17,8 @@ #include "PPC.h" #include "PPCSubtarget.h" -#include "llvm/Target/TargetLowering.h" #include "llvm/CodeGen/SelectionDAG.h" +#include "llvm/Target/TargetLowering.h" namespace llvm { namespace PPCISD { @@ -178,6 +178,65 @@ namespace llvm { CR6SET, CR6UNSET, + /// G8RC = ADDIS_GOT_TPREL_HA %X2, Symbol - Used by the initial-exec + /// TLS model, produces an ADDIS8 instruction that adds the GOT + /// base to sym@got@tprel@ha. + ADDIS_GOT_TPREL_HA, + + /// G8RC = LD_GOT_TPREL_L Symbol, G8RReg - Used by the initial-exec + /// TLS model, produces a LD instruction with base register G8RReg + /// and offset sym@got@tprel@l. This completes the addition that + /// finds the offset of "sym" relative to the thread pointer. + LD_GOT_TPREL_L, + + /// G8RC = ADD_TLS G8RReg, Symbol - Used by the initial-exec TLS + /// model, produces an ADD instruction that adds the contents of + /// G8RReg to the thread pointer. Symbol contains a relocation + /// sym@tls which is to be replaced by the thread pointer and + /// identifies to the linker that the instruction is part of a + /// TLS sequence. + ADD_TLS, + + /// G8RC = ADDIS_TLSGD_HA %X2, Symbol - For the general-dynamic TLS + /// model, produces an ADDIS8 instruction that adds the GOT base + /// register to sym@got@tlsgd@ha. + ADDIS_TLSGD_HA, + + /// G8RC = ADDI_TLSGD_L G8RReg, Symbol - For the general-dynamic TLS + /// model, produces an ADDI8 instruction that adds G8RReg to + /// sym@got@tlsgd@l. + ADDI_TLSGD_L, + + /// G8RC = GET_TLS_ADDR %X3, Symbol - For the general-dynamic TLS + /// model, produces a call to __tls_get_addr(sym@tlsgd). + GET_TLS_ADDR, + + /// G8RC = ADDIS_TLSLD_HA %X2, Symbol - For the local-dynamic TLS + /// model, produces an ADDIS8 instruction that adds the GOT base + /// register to sym@got@tlsld@ha. + ADDIS_TLSLD_HA, + + /// G8RC = ADDI_TLSLD_L G8RReg, Symbol - For the local-dynamic TLS + /// model, produces an ADDI8 instruction that adds G8RReg to + /// sym@got@tlsld@l. + ADDI_TLSLD_L, + + /// G8RC = GET_TLSLD_ADDR %X3, Symbol - For the local-dynamic TLS + /// model, produces a call to __tls_get_addr(sym@tlsld). + GET_TLSLD_ADDR, + + /// G8RC = ADDIS_DTPREL_HA %X3, Symbol, Chain - For the + /// local-dynamic TLS model, produces an ADDIS8 instruction + /// that adds X3 to sym@dtprel@ha. The Chain operand is needed + /// to tie this in place following a copy to %X3 from the result + /// of a GET_TLSLD_ADDR. + ADDIS_DTPREL_HA, + + /// G8RC = ADDI_DTPREL_L G8RReg, Symbol - For the local-dynamic TLS + /// model, produces an ADDI8 instruction that adds G8RReg to + /// sym@got@dtprel@l. + ADDI_DTPREL_L, + /// STD_32 - This is the STD instruction for use with "32-bit" registers. STD_32 = ISD::FIRST_TARGET_MEMORY_OPCODE, @@ -191,7 +250,21 @@ namespace llvm { /// byte-swapping load instruction. It loads "Type" bits, byte swaps it, /// then puts it in the bottom bits of the GPRC. TYPE can be either i16 /// or i32. - LBRX + LBRX, + + /// G8RC = ADDIS_TOC_HA %X2, Symbol - For medium code model, produces + /// an ADDIS8 instruction that adds the TOC base register to sym@toc@ha. + ADDIS_TOC_HA, + + /// G8RC = LD_TOC_L Symbol, G8RReg - For medium code model, produces a + /// LD instruction with base register G8RReg and offset sym@toc@l. + /// Preceded by an ADDIS_TOC_HA to form a full 32-bit offset. + LD_TOC_L, + + /// G8RC = ADDI_TOC_L G8RReg, Symbol - For medium code model, produces + /// an ADDI8 instruction that adds G8RReg to sym@toc@l. + /// Preceded by an ADDIS_TOC_HA to form a full 32-bit offset. + ADDI_TOC_L }; } @@ -358,16 +431,15 @@ namespace llvm { /// lowering. If DstAlign is zero that means it's safe to destination /// alignment can satisfy any constraint. Similarly if SrcAlign is zero it /// means there isn't a need to check it against alignment requirement, - /// probably because the source does not need to be loaded. If - /// 'IsZeroVal' is true, that means it's safe to return a - /// non-scalar-integer type, e.g. empty string source, constant, or loaded - /// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is - /// constant so it does not need to be loaded. + /// probably because the source does not need to be loaded. If 'IsMemset' is + /// true, that means it's expanding a memset. If 'ZeroMemset' is true, that + /// means it's a memset of zero. 'MemcpyStrSrc' indicates whether the memcpy + /// source is constant so it does not need to be loaded. /// It returns EVT::Other if the type should be determined using generic /// target-independent logic. virtual EVT - getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign, - bool IsZeroVal, bool MemcpyStrSrc, + getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign, + bool IsMemset, bool ZeroMemset, bool MemcpyStrSrc, MachineFunction &MF) const; /// isFMAFasterThanMulAndAdd - Return true if an FMA operation is faster than @@ -467,20 +539,41 @@ namespace llvm { DebugLoc dl, SelectionDAG &DAG) const; SDValue + extendArgForPPC64(ISD::ArgFlagsTy Flags, EVT ObjectVT, SelectionDAG &DAG, + SDValue ArgVal, DebugLoc dl) const; + + void + setMinReservedArea(MachineFunction &MF, SelectionDAG &DAG, + unsigned nAltivecParamsAtEnd, + unsigned MinReservedArea, bool isPPC64) const; + + SDValue LowerFormalArguments_Darwin(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, const SmallVectorImpl<ISD::InputArg> &Ins, DebugLoc dl, SelectionDAG &DAG, SmallVectorImpl<SDValue> &InVals) const; SDValue - LowerFormalArguments_SVR4(SDValue Chain, - CallingConv::ID CallConv, bool isVarArg, - const SmallVectorImpl<ISD::InputArg> &Ins, - DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl<SDValue> &InVals) const; + LowerFormalArguments_64SVR4(SDValue Chain, + CallingConv::ID CallConv, bool isVarArg, + const SmallVectorImpl<ISD::InputArg> &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl<SDValue> &InVals) const; + SDValue + LowerFormalArguments_32SVR4(SDValue Chain, + CallingConv::ID CallConv, bool isVarArg, + const SmallVectorImpl<ISD::InputArg> &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl<SDValue> &InVals) const; SDValue - LowerCall_Darwin(SDValue Chain, SDValue Callee, CallingConv::ID CallConv, + createMemcpyOutsideCallSeq(SDValue Arg, SDValue PtrOff, + SDValue CallSeqStart, ISD::ArgFlagsTy Flags, + SelectionDAG &DAG, DebugLoc dl) const; + + SDValue + LowerCall_Darwin(SDValue Chain, SDValue Callee, + CallingConv::ID CallConv, bool isVarArg, bool isTailCall, const SmallVectorImpl<ISD::OutputArg> &Outs, const SmallVectorImpl<SDValue> &OutVals, @@ -488,13 +581,22 @@ namespace llvm { DebugLoc dl, SelectionDAG &DAG, SmallVectorImpl<SDValue> &InVals) const; SDValue - LowerCall_SVR4(SDValue Chain, SDValue Callee, CallingConv::ID CallConv, - bool isVarArg, bool isTailCall, - const SmallVectorImpl<ISD::OutputArg> &Outs, - const SmallVectorImpl<SDValue> &OutVals, - const SmallVectorImpl<ISD::InputArg> &Ins, - DebugLoc dl, SelectionDAG &DAG, - SmallVectorImpl<SDValue> &InVals) const; + LowerCall_64SVR4(SDValue Chain, SDValue Callee, + CallingConv::ID CallConv, + bool isVarArg, bool isTailCall, + const SmallVectorImpl<ISD::OutputArg> &Outs, + const SmallVectorImpl<SDValue> &OutVals, + const SmallVectorImpl<ISD::InputArg> &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl<SDValue> &InVals) const; + SDValue + LowerCall_32SVR4(SDValue Chain, SDValue Callee, CallingConv::ID CallConv, + bool isVarArg, bool isTailCall, + const SmallVectorImpl<ISD::OutputArg> &Outs, + const SmallVectorImpl<SDValue> &OutVals, + const SmallVectorImpl<ISD::InputArg> &Ins, + DebugLoc dl, SelectionDAG &DAG, + SmallVectorImpl<SDValue> &InVals) const; }; } |