diff options
Diffstat (limited to 'lib/Target/ARM/ARMMCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMMCCodeEmitter.cpp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMMCCodeEmitter.cpp b/lib/Target/ARM/ARMMCCodeEmitter.cpp index 10607b1..c5f727d 100644 --- a/lib/Target/ARM/ARMMCCodeEmitter.cpp +++ b/lib/Target/ARM/ARMMCCodeEmitter.cpp @@ -269,10 +269,15 @@ public: unsigned getMsbOpValue(const MCInst &MI, unsigned Op, SmallVectorImpl<MCFixup> &Fixups) const; + unsigned getSsatBitPosValue(const MCInst &MI, unsigned Op, + SmallVectorImpl<MCFixup> &Fixups) const; + unsigned getRegisterListOpValue(const MCInst &MI, unsigned Op, SmallVectorImpl<MCFixup> &Fixups) const; unsigned getAddrMode6AddressOpValue(const MCInst &MI, unsigned Op, SmallVectorImpl<MCFixup> &Fixups) const; + unsigned getAddrMode6OneLane32AddressOpValue(const MCInst &MI, unsigned Op, + SmallVectorImpl<MCFixup> &Fixups) const; unsigned getAddrMode6DupAddressOpValue(const MCInst &MI, unsigned Op, SmallVectorImpl<MCFixup> &Fixups) const; unsigned getAddrMode6OffsetOpValue(const MCInst &MI, unsigned Op, @@ -1122,6 +1127,13 @@ getMsbOpValue(const MCInst &MI, unsigned Op, } unsigned ARMMCCodeEmitter:: +getSsatBitPosValue(const MCInst &MI, unsigned Op, + SmallVectorImpl<MCFixup> &Fixups) const { + // For ssat instructions, the bit position should be encoded decremented by 1 + return MI.getOperand(Op).getImm()-1; +} + +unsigned ARMMCCodeEmitter:: getRegisterListOpValue(const MCInst &MI, unsigned Op, SmallVectorImpl<MCFixup> &Fixups) const { // VLDM/VSTM: @@ -1178,6 +1190,30 @@ getAddrMode6AddressOpValue(const MCInst &MI, unsigned Op, return RegNo | (Align << 4); } +/// getAddrMode6OneLane32AddressOpValue - Encode an addrmode6 register number +/// along with the alignment operand for use in VST1 and VLD1 with size 32. +unsigned ARMMCCodeEmitter:: +getAddrMode6OneLane32AddressOpValue(const MCInst &MI, unsigned Op, + SmallVectorImpl<MCFixup> &Fixups) const { + const MCOperand &Reg = MI.getOperand(Op); + const MCOperand &Imm = MI.getOperand(Op + 1); + + unsigned RegNo = getARMRegisterNumbering(Reg.getReg()); + unsigned Align = 0; + + switch (Imm.getImm()) { + default: break; + case 2: + case 4: + case 8: + case 16: Align = 0x00; break; + case 32: Align = 0x03; break; + } + + return RegNo | (Align << 4); +} + + /// getAddrMode6DupAddressOpValue - Encode an addrmode6 register number and /// alignment operand for use in VLD-dup instructions. This is the same as /// getAddrMode6AddressOpValue except for the alignment encoding, which is |
