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| author | Hao Liu <Hao.Liu@arm.com> | 2013-10-10 17:00:52 +0000 |
|---|---|---|
| committer | Hao Liu <Hao.Liu@arm.com> | 2013-10-10 17:00:52 +0000 |
| commit | 99eac7ee44cb0e1b4c3a2e79b70c6ffed0432393 (patch) | |
| tree | d05715ddad3399196b298afb31b69cecb2d9db00 /llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | |
| parent | c5ed819b02da049ecd434d8aa4ed2e220cba39e4 (diff) | |
| download | bcm5719-llvm-99eac7ee44cb0e1b4c3a2e79b70c6ffed0432393.tar.gz bcm5719-llvm-99eac7ee44cb0e1b4c3a2e79b70c6ffed0432393.zip | |
Implement AArch64 vector load/store multiple N-element structure class SIMD(lselem).
Including following 14 instructions:
4 ld1 insts: load multiple 1-element structure to sequential 1/2/3/4 registers.
ld2/ld3/ld4: load multiple N-element structure to sequential N registers (N=2,3,4).
4 st1 insts: store multiple 1-element structure from sequential 1/2/3/4 registers.
st2/st3/st4: store multiple N-element structure from sequential N registers (N = 2,3,4).
llvm-svn: 192361
Diffstat (limited to 'llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp index b9d7c1684d5..9a97fbe0178 100644 --- a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp +++ b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp @@ -89,6 +89,25 @@ static DecodeStatus DecodeFPR128LoRegisterClass(llvm::MCInst &Inst, unsigned RegNo, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeDPairRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeQPairRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeDTripleRegisterClass(llvm::MCInst &Inst, + unsigned RegNo, uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeQTripleRegisterClass(llvm::MCInst &Inst, + unsigned RegNo, uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeDQuadRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeQQuadRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder); + static DecodeStatus DecodeAddrRegExtendOperand(llvm::MCInst &Inst, unsigned OptionHiS, uint64_t Address, @@ -361,6 +380,59 @@ DecodeFPR128LoRegisterClass(llvm::MCInst &Inst, unsigned RegNo, return DecodeFPR128RegisterClass(Inst, RegNo, Address, Decoder); } +static DecodeStatus DecodeRegisterClassByID(llvm::MCInst &Inst, unsigned RegNo, + unsigned RegID, + const void *Decoder) { + if (RegNo > 31) + return MCDisassembler::Fail; + + uint16_t Register = getReg(Decoder, RegID, RegNo); + Inst.addOperand(MCOperand::CreateReg(Register)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeDPairRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::DPairRegClassID, + Decoder); +} + +static DecodeStatus DecodeQPairRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::QPairRegClassID, + Decoder); +} + +static DecodeStatus DecodeDTripleRegisterClass(llvm::MCInst &Inst, + unsigned RegNo, uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::DTripleRegClassID, + Decoder); +} + +static DecodeStatus DecodeQTripleRegisterClass(llvm::MCInst &Inst, + unsigned RegNo, uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::QTripleRegClassID, + Decoder); +} + +static DecodeStatus DecodeDQuadRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::DQuadRegClassID, + Decoder); +} + +static DecodeStatus DecodeQQuadRegisterClass(llvm::MCInst &Inst, unsigned RegNo, + uint64_t Address, + const void *Decoder) { + return DecodeRegisterClassByID(Inst, RegNo, AArch64::QQuadRegClassID, + Decoder); +} + static DecodeStatus DecodeAddrRegExtendOperand(llvm::MCInst &Inst, unsigned OptionHiS, uint64_t Address, |
