}
+/// X86II - This namespace holds all of the target specific flags that
+/// instruction info tracks.
+///
+namespace X86II {
+ /// Target Operand Flag enum.
+ enum TOF {
+ //===------------------------------------------------------------------===//
+ // X86 Specific MachineOperand flags.
+
+ MO_NO_FLAG = 0,
+
+ /// MO_GOT_ABSOLUTE_ADDRESS - On a symbol operand, this represents a
+ /// relocation of:
+ /// SYMBOL_LABEL + [. - PICBASELABEL]
+ MO_GOT_ABSOLUTE_ADDRESS = 1,
+
+ /// MO_PIC_BASE_OFFSET - On a symbol operand this indicates that the
+ /// immediate should get the value of the symbol minus the PIC base label:
+ /// SYMBOL_LABEL - PICBASELABEL
+ MO_PIC_BASE_OFFSET = 2,
+
+ /// MO_GOT - On a symbol operand this indicates that the immediate is the
+ /// offset to the GOT entry for the symbol name from the base of the GOT.
+ ///
+ /// See the X86-64 ELF ABI supplement for more details.
+ /// SYMBOL_LABEL @GOT
+ MO_GOT = 3,
+
+ /// MO_GOTOFF - On a symbol operand this indicates that the immediate is
+ /// the offset to the location of the symbol name from the base of the GOT.
+ ///
+ /// See the X86-64 ELF ABI supplement for more details.
+ /// SYMBOL_LABEL @GOTOFF
+ MO_GOTOFF = 4,
+
+ /// MO_GOTPCREL - On a symbol operand this indicates that the immediate is
+ /// offset to the GOT entry for the symbol name from the current code
+ /// location.
+ ///
+ /// See the X86-64 ELF ABI supplement for more details.
+ /// SYMBOL_LABEL @GOTPCREL
+ MO_GOTPCREL = 5,
+
+ /// MO_PLT - On a symbol operand this indicates that the immediate is
+ /// offset to the PLT entry of symbol name from the current code location.
+ ///
+ /// See the X86-64 ELF ABI supplement for more details.
+ /// SYMBOL_LABEL @PLT
+ MO_PLT = 6,
+
+ /// MO_TLSGD - On a symbol operand this indicates that the immediate is
+ /// some TLS offset.
+ ///
+ /// See 'ELF Handling for Thread-Local Storage' for more details.
+ /// SYMBOL_LABEL @TLSGD
+ MO_TLSGD = 7,
+
+ /// MO_GOTTPOFF - On a symbol operand this indicates that the immediate is
+ /// some TLS offset.
+ ///
+ /// See 'ELF Handling for Thread-Local Storage' for more details.
+ /// SYMBOL_LABEL @GOTTPOFF
+ MO_GOTTPOFF = 8,
+
+ /// MO_INDNTPOFF - On a symbol operand this indicates that the immediate is
+ /// some TLS offset.
+ ///
+ /// See 'ELF Handling for Thread-Local Storage' for more details.
+ /// SYMBOL_LABEL @INDNTPOFF
+ MO_INDNTPOFF = 9,
+
+ /// MO_TPOFF - On a symbol operand this indicates that the immediate is
+ /// some TLS offset.
+ ///
+ /// See 'ELF Handling for Thread-Local Storage' for more details.
+ /// SYMBOL_LABEL @TPOFF
+ MO_TPOFF = 10,
+
+ /// MO_NTPOFF - On a symbol operand this indicates that the immediate is
+ /// some TLS offset.
+ ///
+ /// See 'ELF Handling for Thread-Local Storage' for more details.
+ /// SYMBOL_LABEL @NTPOFF
+ MO_NTPOFF = 11,
+
+ /// MO_DLLIMPORT - On a symbol operand "FOO", this indicates that the
+ /// reference is actually to the "__imp_FOO" symbol. This is used for
+ /// dllimport linkage on windows.
+ MO_DLLIMPORT = 12,
+
+ /// MO_DARWIN_STUB - On a symbol operand "FOO", this indicates that the
+ /// reference is actually to the "FOO$stub" symbol. This is used for calls
+ /// and jumps to external functions on Tiger and before.
+ MO_DARWIN_STUB = 13,
+
+ /// MO_DARWIN_NONLAZY - On a symbol operand "FOO", this indicates that the
+ /// reference is actually to the "FOO$non_lazy_ptr" symbol, which is a
+ /// non-PIC-base-relative reference to a non-hidden dyld lazy pointer stub.
+ MO_DARWIN_NONLAZY = 14,
+
+ /// MO_DARWIN_NONLAZY_PIC_BASE - On a symbol operand "FOO", this indicates
+ /// that the reference is actually to "FOO$non_lazy_ptr - PICBASE", which is
+ /// a PIC-base-relative reference to a non-hidden dyld lazy pointer stub.
+ MO_DARWIN_NONLAZY_PIC_BASE = 15,
+
+ /// MO_DARWIN_HIDDEN_NONLAZY - On a symbol operand "FOO", this indicates
+ /// that the reference is actually to the "FOO$non_lazy_ptr" symbol, which
+ /// is a non-PIC-base-relative reference to a hidden dyld lazy pointer stub.
+ MO_DARWIN_HIDDEN_NONLAZY = 16,
+
+ /// MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE - On a symbol operand "FOO", this
+ /// indicates that the reference is actually to "FOO$non_lazy_ptr -PICBASE",
+ /// which is a PIC-base-relative reference to a hidden dyld lazy pointer
+ /// stub.
+ MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE = 17
+ };
+}
+
+/// isGlobalStubReference - Return true if the specified TargetFlag operand is
+/// a reference to a stub for a global, not the global itself.
+inline static bool isGlobalStubReference(unsigned char TargetFlag) {
+ switch (TargetFlag) {
+ case X86II::MO_DLLIMPORT: // dllimport stub.
+ case X86II::MO_GOTPCREL: // rip-relative GOT reference.
+ case X86II::MO_GOT: // normal GOT reference.
+ case X86II::MO_DARWIN_NONLAZY_PIC_BASE: // Normal $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_NONLAZY: // Normal $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: // Hidden $non_lazy_ptr ref.
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY: // Hidden $non_lazy_ptr ref.
+ return true;
+ default:
+ return false;
+ }
+}
+
+/// isGlobalRelativeToPICBase - Return true if the specified global value
+/// reference is relative to a 32-bit PIC base (X86ISD::GlobalBaseReg). If this
+/// is true, the addressing mode has the PIC base register added in (e.g. EBX).
+inline static bool isGlobalRelativeToPICBase(unsigned char TargetFlag) {
+ switch (TargetFlag) {
+ case X86II::MO_GOTOFF: // isPICStyleGOT: local global.
+ case X86II::MO_GOT: // isPICStyleGOT: other global.
+ case X86II::MO_PIC_BASE_OFFSET: // Darwin local global.
+ case X86II::MO_DARWIN_NONLAZY_PIC_BASE: // Darwin/32 external global.
+ case X86II::MO_DARWIN_HIDDEN_NONLAZY_PIC_BASE: // Darwin/32 hidden global.
+ return true;
+ default:
+ return false;
+ }
+}
+
/// X86II - This namespace holds all of the target specific flags that
/// instruction info tracks.
///
namespace X86II {
enum {
//===------------------------------------------------------------------===//
- // Instruction types. These are the standard/most common forms for X86
+ // Instruction encodings. These are the standard/most common forms for X86
// instructions.
//
};
}
-const int X86AddrNumOperands = 4;
+const int X86AddrNumOperands = 5;
inline static bool isScale(const MachineOperand &MO) {
return MO.isImm() &&
MO.getImm() == 4 || MO.getImm() == 8);
}
-inline static bool isMem(const MachineInstr *MI, unsigned Op) {
+inline static bool isLeaMem(const MachineInstr *MI, unsigned Op) {
if (MI->getOperand(Op).isFI()) return true;
return Op+4 <= MI->getNumOperands() &&
MI->getOperand(Op ).isReg() && isScale(MI->getOperand(Op+1)) &&
MI->getOperand(Op+3).isJTI());
}
+inline static bool isMem(const MachineInstr *MI, unsigned Op) {
+ if (MI->getOperand(Op).isFI()) return true;
+ return Op+5 <= MI->getNumOperands() &&
+ MI->getOperand(Op+4).isReg() &&
+ isLeaMem(MI, Op);
+}
+
class X86InstrInfo : public TargetInstrInfoImpl {
X86TargetMachine &TM;
const X86RegisterInfo RI;
/// RegOp2MemOpTable2Addr, RegOp2MemOpTable0, RegOp2MemOpTable1,
/// RegOp2MemOpTable2 - Load / store folding opcode maps.
///
- DenseMap<unsigned*, unsigned> RegOp2MemOpTable2Addr;
- DenseMap<unsigned*, unsigned> RegOp2MemOpTable0;
- DenseMap<unsigned*, unsigned> RegOp2MemOpTable1;
- DenseMap<unsigned*, unsigned> RegOp2MemOpTable2;
+ DenseMap<unsigned*, std::pair<unsigned,unsigned> > RegOp2MemOpTable2Addr;
+ DenseMap<unsigned*, std::pair<unsigned,unsigned> > RegOp2MemOpTable0;
+ DenseMap<unsigned*, std::pair<unsigned,unsigned> > RegOp2MemOpTable1;
+ DenseMap<unsigned*, std::pair<unsigned,unsigned> > RegOp2MemOpTable2;
/// MemOp2RegOpTable - Load / store unfolding opcode map.
///
private:
MachineInstr* foldMemoryOperandImpl(MachineFunction &MF,
- MachineInstr* MI,
- unsigned OpNum,
- const SmallVectorImpl<MachineOperand> &MOs) const;
+ MachineInstr* MI,
+ unsigned OpNum,
+ const SmallVectorImpl<MachineOperand> &MOs,
+ unsigned Alignment) const;
};
} // End llvm namespace
projects / oota-llvm.git / blobdiff