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| author | Hao Liu <Hao.Liu@arm.com> | 2013-09-04 09:28:24 +0000 |
|---|---|---|
| committer | Hao Liu <Hao.Liu@arm.com> | 2013-09-04 09:28:24 +0000 |
| commit | 19fdc268c316b3b0bdcb2b558449819f4f402d6a (patch) | |
| tree | 7e600b5667c314ab009690568492a55b06b90c1b /lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | |
| parent | 886631cc2790cc0143966069e613d933914724b4 (diff) | |
| download | external_llvm-19fdc268c316b3b0bdcb2b558449819f4f402d6a.zip external_llvm-19fdc268c316b3b0bdcb2b558449819f4f402d6a.tar.gz external_llvm-19fdc268c316b3b0bdcb2b558449819f4f402d6a.tar.bz2 | |
Inplement aarch64 neon instructions in AdvSIMD(shift). About 24 shift instructions:
sshr,ushr,ssra,usra,srshr,urshr,srsra,ursra,sri,shl,sli,sqshlu,sqshl,uqshl,shrn,sqrshrun,sqshrn,uqshr,sqrshrn,uqrshrn,sshll,ushll
and 4 convert instructions:
scvtf,ucvtf,fcvtzs,fcvtzu
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189925 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp')
| -rw-r--r-- | lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp b/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp index a88a8e8..5b57b50 100644 --- a/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp +++ b/lib/Target/AArch64/Disassembler/AArch64Disassembler.cpp @@ -113,6 +113,18 @@ static DecodeStatus DecodeFPZeroOperand(llvm::MCInst &Inst, uint64_t Address, const void *Decoder); +static DecodeStatus DecodeShiftRightImm8(MCInst &Inst, unsigned Val, + uint64_t Address, const void *Decoder); +static DecodeStatus DecodeShiftRightImm16(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeShiftRightImm32(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); +static DecodeStatus DecodeShiftRightImm64(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder); + template<int RegWidth> static DecodeStatus DecodeMoveWideImmOperand(llvm::MCInst &Inst, unsigned FullImm, @@ -413,7 +425,33 @@ static DecodeStatus DecodeFPZeroOperand(llvm::MCInst &Inst, return MCDisassembler::Success; } +static DecodeStatus DecodeShiftRightImm8(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + Inst.addOperand(MCOperand::CreateImm(8 - Val)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeShiftRightImm16(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + Inst.addOperand(MCOperand::CreateImm(16 - Val)); + return MCDisassembler::Success; +} + +static DecodeStatus DecodeShiftRightImm32(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + Inst.addOperand(MCOperand::CreateImm(32 - Val)); + return MCDisassembler::Success; +} +static DecodeStatus DecodeShiftRightImm64(MCInst &Inst, unsigned Val, + uint64_t Address, + const void *Decoder) { + Inst.addOperand(MCOperand::CreateImm(64 - Val)); + return MCDisassembler::Success; +} template<int RegWidth> static DecodeStatus DecodeMoveWideImmOperand(llvm::MCInst &Inst, |