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| author | Chad Rosier <mcrosier@codeaurora.org> | 2013-10-31 19:28:44 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@codeaurora.org> | 2013-10-31 19:28:44 +0000 |
| commit | 20e1f20d6956076d6a3a28a2404ef7fcd894a1ee (patch) | |
| tree | 17ae58c3d076f18ec07b4a9ff2f680991cca4817 /llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | |
| parent | 2262cfaf1907d6fe6d6896f8a05cc8f2f5b77a12 (diff) | |
| download | bcm5719-llvm-20e1f20d6956076d6a3a28a2404ef7fcd894a1ee.tar.gz bcm5719-llvm-20e1f20d6956076d6a3a28a2404ef7fcd894a1ee.zip | |
[AArch64] Add support for NEON scalar shift immediate instructions.
llvm-svn: 193790
Diffstat (limited to 'llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp index 9a97fbe0178..db1da49ca40 100644 --- a/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp +++ b/llvm/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp @@ -141,6 +141,18 @@ static DecodeStatus DecodeShiftRightImm64(MCInst &Inst, unsigned Val, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeShiftLeftImm8(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); +static DecodeStatus DecodeShiftLeftImm16(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeShiftLeftImm32(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeShiftLeftImm64(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); + template<int RegWidth> static DecodeStatus DecodeMoveWideImmOperand(llvm::MCInst &Inst, unsigned FullImm, @@ -509,6 +521,46 @@ static DecodeStatus DecodeShiftRightImm64(MCInst &Inst, unsigned Val, return MCDisassembler::Success; } +static DecodeStatus DecodeShiftLeftImm8(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + if (Val > 7) + return MCDisassembler::Fail; + + Inst.addOperand(MCOperand::CreateImm(Val)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeShiftLeftImm16(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + if (Val > 15) + return MCDisassembler::Fail; + + Inst.addOperand(MCOperand::CreateImm(Val)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeShiftLeftImm32(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + if (Val > 31) + return MCDisassembler::Fail; + + Inst.addOperand(MCOperand::CreateImm(Val)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeShiftLeftImm64(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + if (Val > 63) + return MCDisassembler::Fail; + + Inst.addOperand(MCOperand::CreateImm(Val)); + return MCDisassembler::Success; +} + template<int RegWidth> static DecodeStatus DecodeMoveWideImmOperand(llvm::MCInst &Inst, unsigned FullImm, |
