[llvm] r205868 - [ARM64] Switch the decoder, disassembler, instprinter and asmparser over to using AArch64-style system registers, and fix up test failures discovered in the process.

Aaron Ballman aaron at aaronballman.com
Wed Apr 9 13:44:28 PDT 2014


This seems to have broken one of the build bots:
http://bb.pgr.jp/builders/cmake-llvm-x86_64-linux/builds/11400

~Aaron

On Wed, Apr 9, 2014 at 10:42 AM, Bradley Smith <bradley.smith at arm.com> wrote:
> Author: brasmi01
> Date: Wed Apr  9 09:42:36 2014
> New Revision: 205868
>
> URL: http://llvm.org/viewvc/llvm-project?rev=205868&view=rev
> Log:
> [ARM64] Switch the decoder, disassembler, instprinter and asmparser over to using AArch64-style system registers, and fix up test failures discovered in the process.
>
> Modified:
>     llvm/trunk/lib/Target/ARM64/ARM64InstrFormats.td
>     llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp
>     llvm/trunk/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp
>     llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp
>     llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.h
>     llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.cpp
>     llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.h
>     llvm/trunk/test/MC/ARM64/system-encoding.s
>     llvm/trunk/test/MC/Disassembler/ARM64/system.txt
>
> Modified: llvm/trunk/lib/Target/ARM64/ARM64InstrFormats.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/ARM64InstrFormats.td?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/ARM64InstrFormats.td (original)
> +++ llvm/trunk/lib/Target/ARM64/ARM64InstrFormats.td Wed Apr  9 09:42:36 2014
> @@ -697,19 +697,34 @@ class CRmSystemI<Operand crmtype, bits<3
>    let Inst{7-5} = opc;
>  }
>
> -// MRS/MSR system instructions.
> -def SystemRegisterOperand : AsmOperandClass {
> -  let Name = "SystemRegister";
> -  let ParserMethod = "tryParseSystemRegister";
> +// MRS/MSR system instructions. These have different operand classes because
> +// a different subset of registers can be accessed through each instruction.
> +def MRSSystemRegisterOperand : AsmOperandClass {
> +  let Name = "MRSSystemRegister";
> +  let ParserMethod = "tryParseMRSSystemRegister";
> +  let RenderMethod = "addSystemRegisterOperands";
> +  let PredicateMethod = "isSystemRegister";
>  }
>  // concatenation of 1, op0, op1, CRn, CRm, op2. 16-bit immediate.
> -def sysreg_op : Operand<i32> {
> -  let ParserMatchClass = SystemRegisterOperand;
> -  let DecoderMethod = "DecodeSystemRegister";
> -  let PrintMethod = "printSystemRegister";
> +def mrs_sysreg_op : Operand<i32> {
> +  let ParserMatchClass = MRSSystemRegisterOperand;
> +  let DecoderMethod = "DecodeMRSSystemRegister";
> +  let PrintMethod = "printMRSSystemRegister";
>  }
>
> -class MRSI : RtSystemI<1, (outs GPR64:$Rt), (ins sysreg_op:$systemreg),
> +def MSRSystemRegisterOperand : AsmOperandClass {
> +  let Name = "MSRSystemRegister";
> +  let ParserMethod = "tryParseMSRSystemRegister";
> +  let RenderMethod = "addSystemRegisterOperands";
> +  let PredicateMethod = "isSystemRegister";
> +}
> +def msr_sysreg_op : Operand<i32> {
> +  let ParserMatchClass = MSRSystemRegisterOperand;
> +  let DecoderMethod = "DecodeMSRSystemRegister";
> +  let PrintMethod = "printMSRSystemRegister";
> +}
> +
> +class MRSI : RtSystemI<1, (outs GPR64:$Rt), (ins mrs_sysreg_op:$systemreg),
>                         "mrs", "\t$Rt, $systemreg"> {
>    bits<15> systemreg;
>    let Inst{20} = 1;
> @@ -719,7 +734,7 @@ class MRSI : RtSystemI<1, (outs GPR64:$R
>  // FIXME: Some of these def CPSR, others don't. Best way to model that?
>  // Explicitly modeling each of the system register as a register class
>  // would do it, but feels like overkill at this point.
> -class MSRI : RtSystemI<0, (outs), (ins sysreg_op:$systemreg, GPR64:$Rt),
> +class MSRI : RtSystemI<0, (outs), (ins msr_sysreg_op:$systemreg, GPR64:$Rt),
>                         "msr", "\t$systemreg, $Rt"> {
>    bits<15> systemreg;
>    let Inst{20} = 1;
>
> Modified: llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp (original)
> +++ llvm/trunk/lib/Target/ARM64/AsmParser/ARM64AsmParser.cpp Wed Apr  9 09:42:36 2014
> @@ -88,7 +88,8 @@ private:
>
>    OperandMatchResultTy tryParseNoIndexMemory(OperandVector &Operands);
>    OperandMatchResultTy tryParseBarrierOperand(OperandVector &Operands);
> -  OperandMatchResultTy tryParseSystemRegister(OperandVector &Operands);
> +  OperandMatchResultTy tryParseMRSSystemRegister(OperandVector &Operands);
> +  OperandMatchResultTy tryParseMSRSystemRegister(OperandVector &Operands);
>    OperandMatchResultTy tryParseCPSRField(OperandVector &Operands);
>    OperandMatchResultTy tryParseSysCROperand(OperandVector &Operands);
>    OperandMatchResultTy tryParsePrefetch(OperandVector &Operands);
> @@ -2632,332 +2633,47 @@ ARM64AsmParser::tryParseBarrierOperand(O
>  }
>
>  ARM64AsmParser::OperandMatchResultTy
> -ARM64AsmParser::tryParseSystemRegister(OperandVector &Operands) {
> +ARM64AsmParser::tryParseMRSSystemRegister(OperandVector &Operands) {
>    const AsmToken &Tok = Parser.getTok();
>
> -  // It can be specified as a symbolic name.
>    if (Tok.isNot(AsmToken::Identifier))
>      return MatchOperand_NoMatch;
>
> -  auto ID = Tok.getString().lower();
> -  ARM64SYS::SystemRegister Reg =
> -      StringSwitch<ARM64SYS::SystemRegister>(ID)
> -          .Case("spsr_el1", ARM64SYS::SPSR_svc)
> -          .Case("spsr_svc", ARM64SYS::SPSR_svc)
> -          .Case("elr_el1", ARM64SYS::ELR_EL1)
> -          .Case("sp_el0", ARM64SYS::SP_EL0)
> -          .Case("spsel", ARM64SYS::SPSel)
> -          .Case("daif", ARM64SYS::DAIF)
> -          .Case("currentel", ARM64SYS::CurrentEL)
> -          .Case("nzcv", ARM64SYS::NZCV)
> -          .Case("fpcr", ARM64SYS::FPCR)
> -          .Case("fpsr", ARM64SYS::FPSR)
> -          .Case("dspsr", ARM64SYS::DSPSR)
> -          .Case("dlr", ARM64SYS::DLR)
> -          .Case("spsr_el2", ARM64SYS::SPSR_hyp)
> -          .Case("spsr_hyp", ARM64SYS::SPSR_hyp)
> -          .Case("elr_el2", ARM64SYS::ELR_EL2)
> -          .Case("sp_el1", ARM64SYS::SP_EL1)
> -          .Case("spsr_irq", ARM64SYS::SPSR_irq)
> -          .Case("spsr_abt", ARM64SYS::SPSR_abt)
> -          .Case("spsr_und", ARM64SYS::SPSR_und)
> -          .Case("spsr_fiq", ARM64SYS::SPSR_fiq)
> -          .Case("spsr_el3", ARM64SYS::SPSR_EL3)
> -          .Case("elr_el3", ARM64SYS::ELR_EL3)
> -          .Case("sp_el2", ARM64SYS::SP_EL2)
> -          .Case("midr_el1", ARM64SYS::MIDR_EL1)
> -          .Case("ctr_el0", ARM64SYS::CTR_EL0)
> -          .Case("mpidr_el1", ARM64SYS::MPIDR_EL1)
> -          .Case("ecoidr_el1", ARM64SYS::ECOIDR_EL1)
> -          .Case("dczid_el0", ARM64SYS::DCZID_EL0)
> -          .Case("mvfr0_el1", ARM64SYS::MVFR0_EL1)
> -          .Case("mvfr1_el1", ARM64SYS::MVFR1_EL1)
> -          .Case("id_aa64pfr0_el1", ARM64SYS::ID_AA64PFR0_EL1)
> -          .Case("id_aa64pfr1_el1", ARM64SYS::ID_AA64PFR1_EL1)
> -          .Case("id_aa64dfr0_el1", ARM64SYS::ID_AA64DFR0_EL1)
> -          .Case("id_aa64dfr1_el1", ARM64SYS::ID_AA64DFR1_EL1)
> -          .Case("id_aa64isar0_el1", ARM64SYS::ID_AA64ISAR0_EL1)
> -          .Case("id_aa64isar1_el1", ARM64SYS::ID_AA64ISAR1_EL1)
> -          .Case("id_aa64mmfr0_el1", ARM64SYS::ID_AA64MMFR0_EL1)
> -          .Case("id_aa64mmfr1_el1", ARM64SYS::ID_AA64MMFR1_EL1)
> -          .Case("ccsidr_el1", ARM64SYS::CCSIDR_EL1)
> -          .Case("clidr_el1", ARM64SYS::CLIDR_EL1)
> -          .Case("aidr_el1", ARM64SYS::AIDR_EL1)
> -          .Case("csselr_el1", ARM64SYS::CSSELR_EL1)
> -          .Case("vpidr_el2", ARM64SYS::VPIDR_EL2)
> -          .Case("vmpidr_el2", ARM64SYS::VMPIDR_EL2)
> -          .Case("sctlr_el1", ARM64SYS::SCTLR_EL1)
> -          .Case("sctlr_el2", ARM64SYS::SCTLR_EL2)
> -          .Case("sctlr_el3", ARM64SYS::SCTLR_EL3)
> -          .Case("actlr_el1", ARM64SYS::ACTLR_EL1)
> -          .Case("actlr_el2", ARM64SYS::ACTLR_EL2)
> -          .Case("actlr_el3", ARM64SYS::ACTLR_EL3)
> -          .Case("cpacr_el1", ARM64SYS::CPACR_EL1)
> -          .Case("cptr_el2", ARM64SYS::CPTR_EL2)
> -          .Case("cptr_el3", ARM64SYS::CPTR_EL3)
> -          .Case("scr_el3", ARM64SYS::SCR_EL3)
> -          .Case("hcr_el2", ARM64SYS::HCR_EL2)
> -          .Case("mdcr_el2", ARM64SYS::MDCR_EL2)
> -          .Case("mdcr_el3", ARM64SYS::MDCR_EL3)
> -          .Case("hstr_el2", ARM64SYS::HSTR_EL2)
> -          .Case("hacr_el2", ARM64SYS::HACR_EL2)
> -          .Case("ttbr0_el1", ARM64SYS::TTBR0_EL1)
> -          .Case("ttbr1_el1", ARM64SYS::TTBR1_EL1)
> -          .Case("ttbr0_el2", ARM64SYS::TTBR0_EL2)
> -          .Case("ttbr0_el3", ARM64SYS::TTBR0_EL3)
> -          .Case("vttbr_el2", ARM64SYS::VTTBR_EL2)
> -          .Case("tcr_el1", ARM64SYS::TCR_EL1)
> -          .Case("tcr_el2", ARM64SYS::TCR_EL2)
> -          .Case("tcr_el3", ARM64SYS::TCR_EL3)
> -          .Case("vtcr_el2", ARM64SYS::VTCR_EL2)
> -          .Case("adfsr_el1", ARM64SYS::ADFSR_EL1)
> -          .Case("aifsr_el1", ARM64SYS::AIFSR_EL1)
> -          .Case("adfsr_el2", ARM64SYS::ADFSR_EL2)
> -          .Case("aifsr_el2", ARM64SYS::AIFSR_EL2)
> -          .Case("adfsr_el3", ARM64SYS::ADFSR_EL3)
> -          .Case("aifsr_el3", ARM64SYS::AIFSR_EL3)
> -          .Case("esr_el1", ARM64SYS::ESR_EL1)
> -          .Case("esr_el2", ARM64SYS::ESR_EL2)
> -          .Case("esr_el3", ARM64SYS::ESR_EL3)
> -          .Case("far_el1", ARM64SYS::FAR_EL1)
> -          .Case("far_el2", ARM64SYS::FAR_EL2)
> -          .Case("far_el3", ARM64SYS::FAR_EL3)
> -          .Case("hpfar_el2", ARM64SYS::HPFAR_EL2)
> -          .Case("par_el1", ARM64SYS::PAR_EL1)
> -          .Case("mair_el1", ARM64SYS::MAIR_EL1)
> -          .Case("mair_el2", ARM64SYS::MAIR_EL2)
> -          .Case("mair_el3", ARM64SYS::MAIR_EL3)
> -          .Case("amair_el1", ARM64SYS::AMAIR_EL1)
> -          .Case("amair_el2", ARM64SYS::AMAIR_EL2)
> -          .Case("amair_el3", ARM64SYS::AMAIR_EL3)
> -          .Case("vbar_el1", ARM64SYS::VBAR_EL1)
> -          .Case("vbar_el2", ARM64SYS::VBAR_EL2)
> -          .Case("vbar_el3", ARM64SYS::VBAR_EL3)
> -          .Case("rvbar_el1", ARM64SYS::RVBAR_EL1)
> -          .Case("rvbar_el2", ARM64SYS::RVBAR_EL2)
> -          .Case("rvbar_el3", ARM64SYS::RVBAR_EL3)
> -          .Case("isr_el1", ARM64SYS::ISR_EL1)
> -          .Case("contextidr_el1", ARM64SYS::CONTEXTIDR_EL1)
> -          .Case("tpidr_el0", ARM64SYS::TPIDR_EL0)
> -          .Case("tpidrro_el0", ARM64SYS::TPIDRRO_EL0)
> -          .Case("tpidr_el1", ARM64SYS::TPIDR_EL1)
> -          .Case("tpidr_el2", ARM64SYS::TPIDR_EL2)
> -          .Case("tpidr_el3", ARM64SYS::TPIDR_EL3)
> -          .Case("teecr32_el1", ARM64SYS::TEECR32_EL1)
> -          .Case("cntfrq_el0", ARM64SYS::CNTFRQ_EL0)
> -          .Case("cntpct_el0", ARM64SYS::CNTPCT_EL0)
> -          .Case("cntvct_el0", ARM64SYS::CNTVCT_EL0)
> -          .Case("cntvoff_el2", ARM64SYS::CNTVOFF_EL2)
> -          .Case("cntkctl_el1", ARM64SYS::CNTKCTL_EL1)
> -          .Case("cnthctl_el2", ARM64SYS::CNTHCTL_EL2)
> -          .Case("cntp_tval_el0", ARM64SYS::CNTP_TVAL_EL0)
> -          .Case("cntp_ctl_el0", ARM64SYS::CNTP_CTL_EL0)
> -          .Case("cntp_cval_el0", ARM64SYS::CNTP_CVAL_EL0)
> -          .Case("cntv_tval_el0", ARM64SYS::CNTV_TVAL_EL0)
> -          .Case("cntv_ctl_el0", ARM64SYS::CNTV_CTL_EL0)
> -          .Case("cntv_cval_el0", ARM64SYS::CNTV_CVAL_EL0)
> -          .Case("cnthp_tval_el2", ARM64SYS::CNTHP_TVAL_EL2)
> -          .Case("cnthp_ctl_el2", ARM64SYS::CNTHP_CTL_EL2)
> -          .Case("cnthp_cval_el2", ARM64SYS::CNTHP_CVAL_EL2)
> -          .Case("cntps_tval_el1", ARM64SYS::CNTPS_TVAL_EL1)
> -          .Case("cntps_ctl_el1", ARM64SYS::CNTPS_CTL_EL1)
> -          .Case("cntps_cval_el1", ARM64SYS::CNTPS_CVAL_EL1)
> -          .Case("dacr32_el2", ARM64SYS::DACR32_EL2)
> -          .Case("ifsr32_el2", ARM64SYS::IFSR32_EL2)
> -          .Case("teehbr32_el1", ARM64SYS::TEEHBR32_EL1)
> -          .Case("sder32_el3", ARM64SYS::SDER32_EL3)
> -          .Case("fpexc32_el2", ARM64SYS::FPEXC32_EL2)
> -          .Case("current_el", ARM64SYS::CurrentEL)
> -          .Case("pmevcntr0_el0", ARM64SYS::PMEVCNTR0_EL0)
> -          .Case("pmevcntr1_el0", ARM64SYS::PMEVCNTR1_EL0)
> -          .Case("pmevcntr2_el0", ARM64SYS::PMEVCNTR2_EL0)
> -          .Case("pmevcntr3_el0", ARM64SYS::PMEVCNTR3_EL0)
> -          .Case("pmevcntr4_el0", ARM64SYS::PMEVCNTR4_EL0)
> -          .Case("pmevcntr5_el0", ARM64SYS::PMEVCNTR5_EL0)
> -          .Case("pmevcntr6_el0", ARM64SYS::PMEVCNTR6_EL0)
> -          .Case("pmevcntr7_el0", ARM64SYS::PMEVCNTR7_EL0)
> -          .Case("pmevcntr8_el0", ARM64SYS::PMEVCNTR8_EL0)
> -          .Case("pmevcntr9_el0", ARM64SYS::PMEVCNTR9_EL0)
> -          .Case("pmevcntr10_el0", ARM64SYS::PMEVCNTR10_EL0)
> -          .Case("pmevcntr11_el0", ARM64SYS::PMEVCNTR11_EL0)
> -          .Case("pmevcntr12_el0", ARM64SYS::PMEVCNTR12_EL0)
> -          .Case("pmevcntr13_el0", ARM64SYS::PMEVCNTR13_EL0)
> -          .Case("pmevcntr14_el0", ARM64SYS::PMEVCNTR14_EL0)
> -          .Case("pmevcntr15_el0", ARM64SYS::PMEVCNTR15_EL0)
> -          .Case("pmevcntr16_el0", ARM64SYS::PMEVCNTR16_EL0)
> -          .Case("pmevcntr17_el0", ARM64SYS::PMEVCNTR17_EL0)
> -          .Case("pmevcntr18_el0", ARM64SYS::PMEVCNTR18_EL0)
> -          .Case("pmevcntr19_el0", ARM64SYS::PMEVCNTR19_EL0)
> -          .Case("pmevcntr20_el0", ARM64SYS::PMEVCNTR20_EL0)
> -          .Case("pmevcntr21_el0", ARM64SYS::PMEVCNTR21_EL0)
> -          .Case("pmevcntr22_el0", ARM64SYS::PMEVCNTR22_EL0)
> -          .Case("pmevcntr23_el0", ARM64SYS::PMEVCNTR23_EL0)
> -          .Case("pmevcntr24_el0", ARM64SYS::PMEVCNTR24_EL0)
> -          .Case("pmevcntr25_el0", ARM64SYS::PMEVCNTR25_EL0)
> -          .Case("pmevcntr26_el0", ARM64SYS::PMEVCNTR26_EL0)
> -          .Case("pmevcntr27_el0", ARM64SYS::PMEVCNTR27_EL0)
> -          .Case("pmevcntr28_el0", ARM64SYS::PMEVCNTR28_EL0)
> -          .Case("pmevcntr29_el0", ARM64SYS::PMEVCNTR29_EL0)
> -          .Case("pmevcntr30_el0", ARM64SYS::PMEVCNTR30_EL0)
> -          .Case("pmevtyper0_el0", ARM64SYS::PMEVTYPER0_EL0)
> -          .Case("pmevtyper1_el0", ARM64SYS::PMEVTYPER1_EL0)
> -          .Case("pmevtyper2_el0", ARM64SYS::PMEVTYPER2_EL0)
> -          .Case("pmevtyper3_el0", ARM64SYS::PMEVTYPER3_EL0)
> -          .Case("pmevtyper4_el0", ARM64SYS::PMEVTYPER4_EL0)
> -          .Case("pmevtyper5_el0", ARM64SYS::PMEVTYPER5_EL0)
> -          .Case("pmevtyper6_el0", ARM64SYS::PMEVTYPER6_EL0)
> -          .Case("pmevtyper7_el0", ARM64SYS::PMEVTYPER7_EL0)
> -          .Case("pmevtyper8_el0", ARM64SYS::PMEVTYPER8_EL0)
> -          .Case("pmevtyper9_el0", ARM64SYS::PMEVTYPER9_EL0)
> -          .Case("pmevtyper10_el0", ARM64SYS::PMEVTYPER10_EL0)
> -          .Case("pmevtyper11_el0", ARM64SYS::PMEVTYPER11_EL0)
> -          .Case("pmevtyper12_el0", ARM64SYS::PMEVTYPER12_EL0)
> -          .Case("pmevtyper13_el0", ARM64SYS::PMEVTYPER13_EL0)
> -          .Case("pmevtyper14_el0", ARM64SYS::PMEVTYPER14_EL0)
> -          .Case("pmevtyper15_el0", ARM64SYS::PMEVTYPER15_EL0)
> -          .Case("pmevtyper16_el0", ARM64SYS::PMEVTYPER16_EL0)
> -          .Case("pmevtyper17_el0", ARM64SYS::PMEVTYPER17_EL0)
> -          .Case("pmevtyper18_el0", ARM64SYS::PMEVTYPER18_EL0)
> -          .Case("pmevtyper19_el0", ARM64SYS::PMEVTYPER19_EL0)
> -          .Case("pmevtyper20_el0", ARM64SYS::PMEVTYPER20_EL0)
> -          .Case("pmevtyper21_el0", ARM64SYS::PMEVTYPER21_EL0)
> -          .Case("pmevtyper22_el0", ARM64SYS::PMEVTYPER22_EL0)
> -          .Case("pmevtyper23_el0", ARM64SYS::PMEVTYPER23_EL0)
> -          .Case("pmevtyper24_el0", ARM64SYS::PMEVTYPER24_EL0)
> -          .Case("pmevtyper25_el0", ARM64SYS::PMEVTYPER25_EL0)
> -          .Case("pmevtyper26_el0", ARM64SYS::PMEVTYPER26_EL0)
> -          .Case("pmevtyper27_el0", ARM64SYS::PMEVTYPER27_EL0)
> -          .Case("pmevtyper28_el0", ARM64SYS::PMEVTYPER28_EL0)
> -          .Case("pmevtyper29_el0", ARM64SYS::PMEVTYPER29_EL0)
> -          .Case("pmevtyper30_el0", ARM64SYS::PMEVTYPER30_EL0)
> -          .Case("pmccfiltr_el0", ARM64SYS::PMCCFILTR_EL0)
> -          .Case("rmr_el3", ARM64SYS::RMR_EL3)
> -          .Case("rmr_el2", ARM64SYS::RMR_EL2)
> -          .Case("rmr_el1", ARM64SYS::RMR_EL1)
> -          .Case("cpm_ioacc_ctl_el3", ARM64SYS::CPM_IOACC_CTL_EL3)
> -          .Case("mdccsr_el0", ARM64SYS::MDCCSR_EL0)
> -          .Case("mdccint_el1", ARM64SYS::MDCCINT_EL1)
> -          .Case("dbgdtr_el0", ARM64SYS::DBGDTR_EL0)
> -          .Case("dbgdtrrx_el0", ARM64SYS::DBGDTRRX_EL0)
> -          .Case("dbgdtrtx_el0", ARM64SYS::DBGDTRTX_EL0)
> -          .Case("dbgvcr32_el2", ARM64SYS::DBGVCR32_EL2)
> -          .Case("osdtrrx_el1", ARM64SYS::OSDTRRX_EL1)
> -          .Case("mdscr_el1", ARM64SYS::MDSCR_EL1)
> -          .Case("osdtrtx_el1", ARM64SYS::OSDTRTX_EL1)
> -          .Case("oseccr_el11", ARM64SYS::OSECCR_EL11)
> -          .Case("dbgbvr0_el1", ARM64SYS::DBGBVR0_EL1)
> -          .Case("dbgbvr1_el1", ARM64SYS::DBGBVR1_EL1)
> -          .Case("dbgbvr2_el1", ARM64SYS::DBGBVR2_EL1)
> -          .Case("dbgbvr3_el1", ARM64SYS::DBGBVR3_EL1)
> -          .Case("dbgbvr4_el1", ARM64SYS::DBGBVR4_EL1)
> -          .Case("dbgbvr5_el1", ARM64SYS::DBGBVR5_EL1)
> -          .Case("dbgbvr6_el1", ARM64SYS::DBGBVR6_EL1)
> -          .Case("dbgbvr7_el1", ARM64SYS::DBGBVR7_EL1)
> -          .Case("dbgbvr8_el1", ARM64SYS::DBGBVR8_EL1)
> -          .Case("dbgbvr9_el1", ARM64SYS::DBGBVR9_EL1)
> -          .Case("dbgbvr10_el1", ARM64SYS::DBGBVR10_EL1)
> -          .Case("dbgbvr11_el1", ARM64SYS::DBGBVR11_EL1)
> -          .Case("dbgbvr12_el1", ARM64SYS::DBGBVR12_EL1)
> -          .Case("dbgbvr13_el1", ARM64SYS::DBGBVR13_EL1)
> -          .Case("dbgbvr14_el1", ARM64SYS::DBGBVR14_EL1)
> -          .Case("dbgbvr15_el1", ARM64SYS::DBGBVR15_EL1)
> -          .Case("dbgbcr0_el1", ARM64SYS::DBGBCR0_EL1)
> -          .Case("dbgbcr1_el1", ARM64SYS::DBGBCR1_EL1)
> -          .Case("dbgbcr2_el1", ARM64SYS::DBGBCR2_EL1)
> -          .Case("dbgbcr3_el1", ARM64SYS::DBGBCR3_EL1)
> -          .Case("dbgbcr4_el1", ARM64SYS::DBGBCR4_EL1)
> -          .Case("dbgbcr5_el1", ARM64SYS::DBGBCR5_EL1)
> -          .Case("dbgbcr6_el1", ARM64SYS::DBGBCR6_EL1)
> -          .Case("dbgbcr7_el1", ARM64SYS::DBGBCR7_EL1)
> -          .Case("dbgbcr8_el1", ARM64SYS::DBGBCR8_EL1)
> -          .Case("dbgbcr9_el1", ARM64SYS::DBGBCR9_EL1)
> -          .Case("dbgbcr10_el1", ARM64SYS::DBGBCR10_EL1)
> -          .Case("dbgbcr11_el1", ARM64SYS::DBGBCR11_EL1)
> -          .Case("dbgbcr12_el1", ARM64SYS::DBGBCR12_EL1)
> -          .Case("dbgbcr13_el1", ARM64SYS::DBGBCR13_EL1)
> -          .Case("dbgbcr14_el1", ARM64SYS::DBGBCR14_EL1)
> -          .Case("dbgbcr15_el1", ARM64SYS::DBGBCR15_EL1)
> -          .Case("dbgwvr0_el1", ARM64SYS::DBGWVR0_EL1)
> -          .Case("dbgwvr1_el1", ARM64SYS::DBGWVR1_EL1)
> -          .Case("dbgwvr2_el1", ARM64SYS::DBGWVR2_EL1)
> -          .Case("dbgwvr3_el1", ARM64SYS::DBGWVR3_EL1)
> -          .Case("dbgwvr4_el1", ARM64SYS::DBGWVR4_EL1)
> -          .Case("dbgwvr5_el1", ARM64SYS::DBGWVR5_EL1)
> -          .Case("dbgwvr6_el1", ARM64SYS::DBGWVR6_EL1)
> -          .Case("dbgwvr7_el1", ARM64SYS::DBGWVR7_EL1)
> -          .Case("dbgwvr8_el1", ARM64SYS::DBGWVR8_EL1)
> -          .Case("dbgwvr9_el1", ARM64SYS::DBGWVR9_EL1)
> -          .Case("dbgwvr10_el1", ARM64SYS::DBGWVR10_EL1)
> -          .Case("dbgwvr11_el1", ARM64SYS::DBGWVR11_EL1)
> -          .Case("dbgwvr12_el1", ARM64SYS::DBGWVR12_EL1)
> -          .Case("dbgwvr13_el1", ARM64SYS::DBGWVR13_EL1)
> -          .Case("dbgwvr14_el1", ARM64SYS::DBGWVR14_EL1)
> -          .Case("dbgwvr15_el1", ARM64SYS::DBGWVR15_EL1)
> -          .Case("dbgwcr0_el1", ARM64SYS::DBGWCR0_EL1)
> -          .Case("dbgwcr1_el1", ARM64SYS::DBGWCR1_EL1)
> -          .Case("dbgwcr2_el1", ARM64SYS::DBGWCR2_EL1)
> -          .Case("dbgwcr3_el1", ARM64SYS::DBGWCR3_EL1)
> -          .Case("dbgwcr4_el1", ARM64SYS::DBGWCR4_EL1)
> -          .Case("dbgwcr5_el1", ARM64SYS::DBGWCR5_EL1)
> -          .Case("dbgwcr6_el1", ARM64SYS::DBGWCR6_EL1)
> -          .Case("dbgwcr7_el1", ARM64SYS::DBGWCR7_EL1)
> -          .Case("dbgwcr8_el1", ARM64SYS::DBGWCR8_EL1)
> -          .Case("dbgwcr9_el1", ARM64SYS::DBGWCR9_EL1)
> -          .Case("dbgwcr10_el1", ARM64SYS::DBGWCR10_EL1)
> -          .Case("dbgwcr11_el1", ARM64SYS::DBGWCR11_EL1)
> -          .Case("dbgwcr12_el1", ARM64SYS::DBGWCR12_EL1)
> -          .Case("dbgwcr13_el1", ARM64SYS::DBGWCR13_EL1)
> -          .Case("dbgwcr14_el1", ARM64SYS::DBGWCR14_EL1)
> -          .Case("dbgwcr15_el1", ARM64SYS::DBGWCR15_EL1)
> -          .Case("mdrar_el1", ARM64SYS::MDRAR_EL1)
> -          .Case("oslar_el1", ARM64SYS::OSLAR_EL1)
> -          .Case("oslsr_el1", ARM64SYS::OSLSR_EL1)
> -          .Case("osdlr_el1", ARM64SYS::OSDLR_EL1)
> -          .Case("dbgprcr_el1", ARM64SYS::DBGPRCR_EL1)
> -          .Case("dbgclaimset_el1", ARM64SYS::DBGCLAIMSET_EL1)
> -          .Case("dbgclaimclr_el1", ARM64SYS::DBGCLAIMCLR_EL1)
> -          .Case("dbgauthstatus_el1", ARM64SYS::DBGAUTHSTATUS_EL1)
> -          .Case("dbgdevid2", ARM64SYS::DBGDEVID2)
> -          .Case("dbgdevid1", ARM64SYS::DBGDEVID1)
> -          .Case("dbgdevid0", ARM64SYS::DBGDEVID0)
> -          .Case("id_pfr0_el1", ARM64SYS::ID_PFR0_EL1)
> -          .Case("id_pfr1_el1", ARM64SYS::ID_PFR1_EL1)
> -          .Case("id_dfr0_el1", ARM64SYS::ID_DFR0_EL1)
> -          .Case("id_afr0_el1", ARM64SYS::ID_AFR0_EL1)
> -          .Case("id_isar0_el1", ARM64SYS::ID_ISAR0_EL1)
> -          .Case("id_isar1_el1", ARM64SYS::ID_ISAR1_EL1)
> -          .Case("id_isar2_el1", ARM64SYS::ID_ISAR2_EL1)
> -          .Case("id_isar3_el1", ARM64SYS::ID_ISAR3_EL1)
> -          .Case("id_isar4_el1", ARM64SYS::ID_ISAR4_EL1)
> -          .Case("id_isar5_el1", ARM64SYS::ID_ISAR5_EL1)
> -          .Case("afsr1_el1", ARM64SYS::AFSR1_EL1)
> -          .Case("afsr0_el1", ARM64SYS::AFSR0_EL1)
> -          .Case("revidr_el1", ARM64SYS::REVIDR_EL1)
> -          .Default(ARM64SYS::InvalidSystemReg);
> -  if (Reg != ARM64SYS::InvalidSystemReg) {
> -    // We matched a reg name, so create the operand.
> +  bool Valid;
> +  auto Mapper = ARM64SysReg::MRSMapper();
> +  uint32_t Reg = Mapper.fromString(Tok.getString(), Valid);
> +
> +  if (Valid) {
>      Operands.push_back(
> -        ARM64Operand::CreateSystemRegister(Reg, getLoc(), getContext()));
> +      ARM64Operand::CreateSystemRegister((uint16_t)Reg, getLoc(),
> +                                         getContext()));
>      Parser.Lex(); // Consume the register name.
>      return MatchOperand_Success;
>    }
>
> -  // Or we may have an identifier that encodes the sub-operands.
> -  // For example, s3_2_c15_c0_0.
> -  unsigned op0, op1, CRn, CRm, op2;
> -  std::string Desc = ID;
> -  if (std::sscanf(Desc.c_str(), "s%u_%u_c%u_c%u_%u", &op0, &op1, &CRn, &CRm,
> -                  &op2) != 5)
> -    return MatchOperand_NoMatch;
> -  if ((op0 != 2 && op0 != 3) || op1 > 7 || CRn > 15 || CRm > 15 || op2 > 7)
> +  return MatchOperand_NoMatch;
> +}
> +
> +ARM64AsmParser::OperandMatchResultTy
> +ARM64AsmParser::tryParseMSRSystemRegister(OperandVector &Operands) {
> +  const AsmToken &Tok = Parser.getTok();
> +
> +  if (Tok.isNot(AsmToken::Identifier))
>      return MatchOperand_NoMatch;
>
> -  unsigned Val = op0 << 14 | op1 << 11 | CRn << 7 | CRm << 3 | op2;
> -  Operands.push_back(
> -      ARM64Operand::CreateSystemRegister(Val, getLoc(), getContext()));
> -  Parser.Lex(); // Consume the register name.
> +  bool Valid;
> +  auto Mapper = ARM64SysReg::MSRMapper();
> +  uint32_t Reg = Mapper.fromString(Tok.getString(), Valid);
> +
> +  if (Valid) {
> +    Operands.push_back(
> +      ARM64Operand::CreateSystemRegister((uint16_t)Reg, getLoc(),
> +                                         getContext()));
> +    Parser.Lex(); // Consume the register name.
> +    return MatchOperand_Success;
> +  }
>
> -  return MatchOperand_Success;
> +  return MatchOperand_NoMatch;
>  }
>
>  ARM64AsmParser::OperandMatchResultTy
>
> Modified: llvm/trunk/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp (original)
> +++ llvm/trunk/lib/Target/ARM64/Disassembler/ARM64Disassembler.cpp Wed Apr  9 09:42:36 2014
> @@ -88,8 +88,10 @@ static DecodeStatus DecodeFixedPointScal
>  static DecodeStatus DecodeCondBranchTarget(llvm::MCInst &Inst, unsigned Imm,
>                                             uint64_t Address,
>                                             const void *Decoder);
> -static DecodeStatus DecodeSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> -                                         uint64_t Address, const void *Decoder);
> +static DecodeStatus DecodeMRSSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> +                                            uint64_t Address, const void *Decoder);
> +static DecodeStatus DecodeMSRSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> +                                            uint64_t Address, const void *Decoder);
>  static DecodeStatus DecodeThreeAddrSRegInstruction(llvm::MCInst &Inst,
>                                                     uint32_t insn,
>                                                     uint64_t Address,
> @@ -765,11 +767,28 @@ static DecodeStatus DecodeCondBranchTarg
>    return Success;
>  }
>
> -static DecodeStatus DecodeSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> -                                         uint64_t Address,
> -                                         const void *Decoder) {
> -  Inst.addOperand(MCOperand::CreateImm(Imm | 0x8000));
> -  return Success;
> +static DecodeStatus DecodeMRSSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> +                                            uint64_t Address,
> +                                            const void *Decoder) {
> +  Imm |= 0x8000;
> +  Inst.addOperand(MCOperand::CreateImm(Imm));
> +
> +  bool ValidNamed;
> +  (void)ARM64SysReg::MRSMapper().toString(Imm, ValidNamed);
> +
> +  return ValidNamed ? Success : Fail;
> +}
> +
> +static DecodeStatus DecodeMSRSystemRegister(llvm::MCInst &Inst, unsigned Imm,
> +                                            uint64_t Address,
> +                                            const void *Decoder) {
> +  Imm |= 0x8000;
> +  Inst.addOperand(MCOperand::CreateImm(Imm));
> +
> +  bool ValidNamed;
> +  (void)ARM64SysReg::MSRMapper().toString(Imm, ValidNamed);
> +
> +  return ValidNamed ? Success : Fail;
>  }
>
>  static DecodeStatus DecodeVecShiftRImm(llvm::MCInst &Inst, unsigned Imm,
>
> Modified: llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.cpp Wed Apr  9 09:42:36 2014
> @@ -1394,23 +1394,28 @@ void ARM64InstPrinter::printBarrierOptio
>      O << "#" << Val;
>  }
>
> -void ARM64InstPrinter::printSystemRegister(const MCInst *MI, unsigned OpNo,
> +void ARM64InstPrinter::printMRSSystemRegister(const MCInst *MI, unsigned OpNo,
>                                             raw_ostream &O) {
>    unsigned Val = MI->getOperand(OpNo).getImm();
> -  const char *Name =
> -      ARM64SYS::getSystemRegisterName((ARM64SYS::SystemRegister)Val);
> -  if (Name) {
> -    O << Name;
> -    return;
> -  }
> -
> -  unsigned Op0 = 2 | ((Val >> 14) & 1);
> -  unsigned Op1 = (Val >> 11) & 7;
> -  unsigned CRn = (Val >> 7) & 0xf;
> -  unsigned CRm = (Val >> 3) & 0xf;
> -  unsigned Op2 = Val & 7;
>
> -  O << 'S' << Op0 << '_' << Op1 << "_C" << CRn << "_C" << CRm << '_' << Op2;
> +  bool Valid;
> +  auto Mapper = ARM64SysReg::MRSMapper();
> +  StringRef Name = Mapper.toString(Val, Valid);
> +
> +  if (Valid)
> +    O << StringRef(Name.str()).upper();
> +}
> +
> +void ARM64InstPrinter::printMSRSystemRegister(const MCInst *MI, unsigned OpNo,
> +                                           raw_ostream &O) {
> +  unsigned Val = MI->getOperand(OpNo).getImm();
> +
> +  bool Valid;
> +  auto Mapper = ARM64SysReg::MSRMapper();
> +  StringRef Name = Mapper.toString(Val, Valid);
> +
> +  if (Valid)
> +    O << StringRef(Name.str()).upper();
>  }
>
>  void ARM64InstPrinter::printSystemCPSRField(const MCInst *MI, unsigned OpNo,
>
> Modified: llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.h?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.h (original)
> +++ llvm/trunk/lib/Target/ARM64/InstPrinter/ARM64InstPrinter.h Wed Apr  9 09:42:36 2014
> @@ -132,7 +132,8 @@ protected:
>    void printVectorIndex(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>    void printAdrpLabel(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>    void printBarrierOption(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> -  void printSystemRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> +  void printMSRSystemRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
> +  void printMRSSystemRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>    void printSystemCPSRField(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>    void printSIMDType10Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
>  };
>
> Modified: llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.cpp?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.cpp (original)
> +++ llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.cpp Wed Apr  9 09:42:36 2014
> @@ -750,7 +750,8 @@ const ARM64NamedImmMapper::Mapping ARM64
>    {"ich_lr12_el2", ICH_LR12_EL2},
>    {"ich_lr13_el2", ICH_LR13_EL2},
>    {"ich_lr14_el2", ICH_LR14_EL2},
> -  {"ich_lr15_el2", ICH_LR15_EL2}
> +  {"ich_lr15_el2", ICH_LR15_EL2},
> +  {"cpm_ioacc_ctl_el3", CPM_IOACC_CTL_EL3}
>  };
>
>  uint32_t
>
> Modified: llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.h?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.h (original)
> +++ llvm/trunk/lib/Target/ARM64/Utils/ARM64BaseInfo.h Wed Apr  9 09:42:36 2014
> @@ -1800,7 +1800,10 @@ namespace ARM64SysReg {
>      ICH_LR12_EL2      = 0xe66c, // 11  100  1100  1101  100
>      ICH_LR13_EL2      = 0xe66d, // 11  100  1100  1101  101
>      ICH_LR14_EL2      = 0xe66e, // 11  100  1100  1101  110
> -    ICH_LR15_EL2      = 0xe66f  // 11  100  1100  1101  111
> +    ICH_LR15_EL2      = 0xe66f, // 11  100  1100  1101  111
> +
> +    // Cyclone specific system registers
> +    CPM_IOACC_CTL_EL3 = 0xff90
>    };
>
>    // Note that these do not inherit from ARM64NamedImmMapper. This class is
>
> Modified: llvm/trunk/test/MC/ARM64/system-encoding.s
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ARM64/system-encoding.s?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/ARM64/system-encoding.s (original)
> +++ llvm/trunk/test/MC/ARM64/system-encoding.s Wed Apr  9 09:42:36 2014
> @@ -60,29 +60,24 @@ foo:
>    msr ACTLR_EL1, x3
>    msr ACTLR_EL2, x3
>    msr ACTLR_EL3, x3
> -  msr ADFSR_EL1, x3
> -  msr ADFSR_EL2, x3
> -  msr ADFSR_EL3, x3
> -  msr AIDR_EL1, x3
> -  msr AIFSR_EL1, x3
> -  msr AIFSR_EL2, x3
> -  msr AIFSR_EL3, x3
> +  msr AFSR0_EL1, x3
> +  msr AFSR0_EL2, x3
> +  msr AFSR0_EL3, x3
> +  msr AFSR1_EL1, x3
> +  msr AFSR1_EL2, x3
> +  msr AFSR1_EL3, x3
>    msr AMAIR_EL1, x3
>    msr AMAIR_EL2, x3
>    msr AMAIR_EL3, x3
> -  msr CCSIDR_EL1, x3
> -  msr CLIDR_EL1, x3
>    msr CNTFRQ_EL0, x3
>    msr CNTHCTL_EL2, x3
>    msr CNTHP_CTL_EL2, x3
>    msr CNTHP_CVAL_EL2, x3
>    msr CNTHP_TVAL_EL2, x3
>    msr CNTKCTL_EL1, x3
> -  msr CNTPCT_EL0, x3
>    msr CNTP_CTL_EL0, x3
>    msr CNTP_CVAL_EL0, x3
>    msr CNTP_TVAL_EL0, x3
> -  msr CNTVCT_EL0, x3
>    msr CNTVOFF_EL2, x3
>    msr CNTV_CTL_EL0, x3
>    msr CNTV_CVAL_EL0, x3
> @@ -92,11 +87,8 @@ foo:
>    msr CPTR_EL2, x3
>    msr CPTR_EL3, x3
>    msr CSSELR_EL1, x3
> -  msr CTR_EL0, x3
> -  msr CURRENT_EL, x3
> +  msr CURRENTEL, x3
>    msr DACR32_EL2, x3
> -  msr DCZID_EL0, x3
> -  msr ECOIDR_EL1, x3
>    msr ESR_EL1, x3
>    msr ESR_EL2, x3
>    msr ESR_EL3, x3
> @@ -108,29 +100,13 @@ foo:
>    msr HCR_EL2, x3
>    msr HPFAR_EL2, x3
>    msr HSTR_EL2, x3
> -  msr ID_AA64DFR0_EL1, x3
> -  msr ID_AA64DFR1_EL1, x3
> -  msr ID_AA64ISAR0_EL1, x3
> -  msr ID_AA64ISAR1_EL1, x3
> -  msr ID_AA64MMFR0_EL1, x3
> -  msr ID_AA64MMFR1_EL1, x3
> -  msr ID_AA64PFR0_EL1, x3
> -  msr ID_AA64PFR1_EL1, x3
>    msr IFSR32_EL2, x3
> -  msr ISR_EL1, x3
>    msr MAIR_EL1, x3
>    msr MAIR_EL2, x3
>    msr MAIR_EL3, x3
>    msr MDCR_EL2, x3
>    msr MDCR_EL3, x3
> -  msr MIDR_EL1, x3
> -  msr MPIDR_EL1, x3
> -  msr MVFR0_EL1, x3
> -  msr MVFR1_EL1, x3
>    msr PAR_EL1, x3
> -  msr RVBAR_EL1, x3
> -  msr RVBAR_EL2, x3
> -  msr RVBAR_EL3, x3
>    msr SCR_EL3, x3
>    msr SCTLR_EL1, x3
>    msr SCTLR_EL2, x3
> @@ -158,33 +134,28 @@ foo:
>    msr VTCR_EL2, x3
>    msr VTTBR_EL2, x3
>    msr SPSel, x3
> -  msr S2_2_C4_C6_4, x1
> +  msr S3_2_C11_C6_4, x1
>  ; CHECK: msr ACTLR_EL1, x3              ; encoding: [0x23,0x10,0x18,0xd5]
>  ; CHECK: msr ACTLR_EL2, x3              ; encoding: [0x23,0x10,0x1c,0xd5]
>  ; CHECK: msr ACTLR_EL3, x3              ; encoding: [0x23,0x10,0x1e,0xd5]
>  ; CHECK: msr AFSR0_EL1, x3              ; encoding: [0x03,0x51,0x18,0xd5]
> -; CHECK: msr ADFSR_EL2, x3              ; encoding: [0x03,0x51,0x1c,0xd5]
> -; CHECK: msr ADFSR_EL3, x3              ; encoding: [0x03,0x51,0x1e,0xd5]
> -; CHECK: msr AIDR_EL1, x3               ; encoding: [0xe3,0x00,0x19,0xd5]
> +; CHECK: msr AFSR0_EL2, x3              ; encoding: [0x03,0x51,0x1c,0xd5]
> +; CHECK: msr AFSR0_EL3, x3              ; encoding: [0x03,0x51,0x1e,0xd5]
>  ; CHECK: msr AFSR1_EL1, x3              ; encoding: [0x23,0x51,0x18,0xd5]
> -; CHECK: msr AIFSR_EL2, x3              ; encoding: [0x23,0x51,0x1c,0xd5]
> -; CHECK: msr AIFSR_EL3, x3              ; encoding: [0x23,0x51,0x1e,0xd5]
> +; CHECK: msr AFSR1_EL2, x3              ; encoding: [0x23,0x51,0x1c,0xd5]
> +; CHECK: msr AFSR1_EL3, x3              ; encoding: [0x23,0x51,0x1e,0xd5]
>  ; CHECK: msr AMAIR_EL1, x3              ; encoding: [0x03,0xa3,0x18,0xd5]
>  ; CHECK: msr AMAIR_EL2, x3              ; encoding: [0x03,0xa3,0x1c,0xd5]
>  ; CHECK: msr AMAIR_EL3, x3              ; encoding: [0x03,0xa3,0x1e,0xd5]
> -; CHECK: msr CCSIDR_EL1, x3             ; encoding: [0x03,0x00,0x19,0xd5]
> -; CHECK: msr CLIDR_EL1, x3              ; encoding: [0x23,0x00,0x19,0xd5]
>  ; CHECK: msr CNTFRQ_EL0, x3             ; encoding: [0x03,0xe0,0x1b,0xd5]
>  ; CHECK: msr CNTHCTL_EL2, x3            ; encoding: [0x03,0xe1,0x1c,0xd5]
>  ; CHECK: msr CNTHP_CTL_EL2, x3          ; encoding: [0x23,0xe2,0x1c,0xd5]
>  ; CHECK: msr CNTHP_CVAL_EL2, x3         ; encoding: [0x43,0xe2,0x1c,0xd5]
>  ; CHECK: msr CNTHP_TVAL_EL2, x3         ; encoding: [0x03,0xe2,0x1c,0xd5]
>  ; CHECK: msr CNTKCTL_EL1, x3            ; encoding: [0x03,0xe1,0x18,0xd5]
> -; CHECK: msr CNTPCT_EL0, x3             ; encoding: [0x23,0xe0,0x1b,0xd5]
>  ; CHECK: msr CNTP_CTL_EL0, x3           ; encoding: [0x23,0xe2,0x1b,0xd5]
>  ; CHECK: msr CNTP_CVAL_EL0, x3          ; encoding: [0x43,0xe2,0x1b,0xd5]
>  ; CHECK: msr CNTP_TVAL_EL0, x3          ; encoding: [0x03,0xe2,0x1b,0xd5]
> -; CHECK: msr CNTVCT_EL0, x3             ; encoding: [0x43,0xe0,0x1b,0xd5]
>  ; CHECK: msr CNTVOFF_EL2, x3            ; encoding: [0x63,0xe0,0x1c,0xd5]
>  ; CHECK: msr CNTV_CTL_EL0, x3           ; encoding: [0x23,0xe3,0x1b,0xd5]
>  ; CHECK: msr CNTV_CVAL_EL0, x3          ; encoding: [0x43,0xe3,0x1b,0xd5]
> @@ -194,11 +165,8 @@ foo:
>  ; CHECK: msr CPTR_EL2, x3               ; encoding: [0x43,0x11,0x1c,0xd5]
>  ; CHECK: msr CPTR_EL3, x3               ; encoding: [0x43,0x11,0x1e,0xd5]
>  ; CHECK: msr CSSELR_EL1, x3             ; encoding: [0x03,0x00,0x1a,0xd5]
> -; CHECK: msr CTR_EL0, x3                ; encoding: [0x23,0x00,0x1b,0xd5]
> -; CHECK: msr CurrentEL, x3              ; encoding: [0x43,0x42,0x18,0xd5]
> +; CHECK: msr CURRENTEL, x3              ; encoding: [0x43,0x42,0x18,0xd5]
>  ; CHECK: msr DACR32_EL2, x3             ; encoding: [0x03,0x30,0x1c,0xd5]
> -; CHECK: msr DCZID_EL0, x3              ; encoding: [0xe3,0x00,0x1b,0xd5]
> -; CHECK: msr REVIDR_EL1, x3             ; encoding: [0xc3,0x00,0x18,0xd5]
>  ; CHECK: msr ESR_EL1, x3                ; encoding: [0x03,0x52,0x18,0xd5]
>  ; CHECK: msr ESR_EL2, x3                ; encoding: [0x03,0x52,0x1c,0xd5]
>  ; CHECK: msr ESR_EL3, x3                ; encoding: [0x03,0x52,0x1e,0xd5]
> @@ -210,29 +178,13 @@ foo:
>  ; CHECK: msr HCR_EL2, x3                ; encoding: [0x03,0x11,0x1c,0xd5]
>  ; CHECK: msr HPFAR_EL2, x3              ; encoding: [0x83,0x60,0x1c,0xd5]
>  ; CHECK: msr HSTR_EL2, x3               ; encoding: [0x63,0x11,0x1c,0xd5]
> -; CHECK: msr ID_AA64DFR0_EL1, x3        ; encoding: [0x03,0x05,0x18,0xd5]
> -; CHECK: msr ID_AA64DFR1_EL1, x3        ; encoding: [0x23,0x05,0x18,0xd5]
> -; CHECK: msr ID_AA64ISAR0_EL1, x3       ; encoding: [0x03,0x06,0x18,0xd5]
> -; CHECK: msr ID_AA64ISAR1_EL1, x3       ; encoding: [0x23,0x06,0x18,0xd5]
> -; CHECK: msr ID_AA64MMFR0_EL1, x3       ; encoding: [0x03,0x07,0x18,0xd5]
> -; CHECK: msr ID_AA64MMFR1_EL1, x3       ; encoding: [0x23,0x07,0x18,0xd5]
> -; CHECK: msr ID_AA64PFR0_EL1, x3        ; encoding: [0x03,0x04,0x18,0xd5]
> -; CHECK: msr ID_AA64PFR1_EL1, x3        ; encoding: [0x23,0x04,0x18,0xd5]
>  ; CHECK: msr IFSR32_EL2, x3             ; encoding: [0x23,0x50,0x1c,0xd5]
> -; CHECK: msr ISR_EL1, x3                ; encoding: [0x03,0xc1,0x18,0xd5]
>  ; CHECK: msr MAIR_EL1, x3               ; encoding: [0x03,0xa2,0x18,0xd5]
>  ; CHECK: msr MAIR_EL2, x3               ; encoding: [0x03,0xa2,0x1c,0xd5]
>  ; CHECK: msr MAIR_EL3, x3               ; encoding: [0x03,0xa2,0x1e,0xd5]
>  ; CHECK: msr MDCR_EL2, x3               ; encoding: [0x23,0x11,0x1c,0xd5]
>  ; CHECK: msr MDCR_EL3, x3               ; encoding: [0x23,0x13,0x1e,0xd5]
> -; CHECK: msr MIDR_EL1, x3               ; encoding: [0x03,0x00,0x18,0xd5]
> -; CHECK: msr MPIDR_EL1, x3              ; encoding: [0xa3,0x00,0x18,0xd5]
> -; CHECK: msr MVFR0_EL1, x3              ; encoding: [0x03,0x03,0x18,0xd5]
> -; CHECK: msr MVFR1_EL1, x3              ; encoding: [0x23,0x03,0x18,0xd5]
>  ; CHECK: msr PAR_EL1, x3                ; encoding: [0x03,0x74,0x18,0xd5]
> -; CHECK: msr RVBAR_EL1, x3              ; encoding: [0x23,0xc0,0x18,0xd5]
> -; CHECK: msr RVBAR_EL2, x3              ; encoding: [0x23,0xc0,0x1c,0xd5]
> -; CHECK: msr RVBAR_EL3, x3              ; encoding: [0x23,0xc0,0x1e,0xd5]
>  ; CHECK: msr SCR_EL3, x3                ; encoding: [0x03,0x11,0x1e,0xd5]
>  ; CHECK: msr SCTLR_EL1, x3              ; encoding: [0x03,0x10,0x18,0xd5]
>  ; CHECK: msr SCTLR_EL2, x3              ; encoding: [0x03,0x10,0x1c,0xd5]
> @@ -259,19 +211,19 @@ foo:
>  ; CHECK: msr VPIDR_EL2, x3              ; encoding: [0x03,0x00,0x1c,0xd5]
>  ; CHECK: msr VTCR_EL2, x3               ; encoding: [0x43,0x21,0x1c,0xd5]
>  ; CHECK: msr VTTBR_EL2, x3              ; encoding: [0x03,0x21,0x1c,0xd5]
> -; CHECK: msr  SPSel, x3                 ; encoding: [0x03,0x42,0x18,0xd5]
> -; CHECK: msr  S2_2_C4_C6_4, x1          ; encoding: [0x81,0x46,0x12,0xd5]
> +; CHECK: msr  SPSEL, x3                 ; encoding: [0x03,0x42,0x18,0xd5]
> +; CHECK: msr  S3_2_C11_C6_4, x1         ; encoding: [0x81,0xb6,0x1a,0xd5]
>
>    mrs x3, ACTLR_EL1
>    mrs x3, ACTLR_EL2
>    mrs x3, ACTLR_EL3
> -  mrs x3, ADFSR_EL1
> -  mrs x3, ADFSR_EL2
> -  mrs x3, ADFSR_EL3
> +  mrs x3, AFSR0_EL1
> +  mrs x3, AFSR0_EL2
> +  mrs x3, AFSR0_EL3
>    mrs x3, AIDR_EL1
> -  mrs x3, AIFSR_EL1
> -  mrs x3, AIFSR_EL2
> -  mrs x3, AIFSR_EL3
> +  mrs x3, AFSR1_EL1
> +  mrs x3, AFSR1_EL2
> +  mrs x3, AFSR1_EL3
>    mrs x3, AMAIR_EL1
>    mrs x3, AMAIR_EL2
>    mrs x3, AMAIR_EL3
> @@ -298,10 +250,10 @@ foo:
>    mrs x3, CPTR_EL3
>    mrs x3, CSSELR_EL1
>    mrs x3, CTR_EL0
> -  mrs x3, CURRENT_EL
> +  mrs x3, CURRENTEL
>    mrs x3, DACR32_EL2
>    mrs x3, DCZID_EL0
> -  mrs x3, ECOIDR_EL1
> +  mrs x3, REVIDR_EL1
>    mrs x3, ESR_EL1
>    mrs x3, ESR_EL2
>    mrs x3, ESR_EL3
> @@ -367,12 +319,11 @@ foo:
>    mrs x3, MDCCINT_EL1
>    mrs x3, DBGDTR_EL0
>    mrs x3, DBGDTRRX_EL0
> -  mrs x3, DBGDTRTX_EL0
>    mrs x3, DBGVCR32_EL2
>    mrs x3, OSDTRRX_EL1
>    mrs x3, MDSCR_EL1
>    mrs x3, OSDTRTX_EL1
> -  mrs x3, OSECCR_EL11
> +  mrs x3, OSECCR_EL1
>    mrs x3, DBGBVR0_EL1
>    mrs x3, DBGBVR1_EL1
>    mrs x3, DBGBVR2_EL1
> @@ -438,30 +389,26 @@ foo:
>    mrs x3, DBGWCR14_EL1
>    mrs x3, DBGWCR15_EL1
>    mrs x3, MDRAR_EL1
> -  mrs x3, OSLAR_EL1
>    mrs x3, OSLSR_EL1
>    mrs x3, OSDLR_EL1
>    mrs x3, DBGPRCR_EL1
>    mrs x3, DBGCLAIMSET_EL1
>    mrs x3, DBGCLAIMCLR_EL1
>    mrs x3, DBGAUTHSTATUS_EL1
> -  mrs x3, DBGDEVID2
> -  mrs x3, DBGDEVID1
> -  mrs x3, DBGDEVID0
> -  mrs x1, S2_2_C4_C6_4
> -  mrs x3, s2_3_c2_c1_4
> -  mrs x3, S2_3_c2_c1_4
> +  mrs x1, S3_2_C15_C6_4
> +  mrs x3, s3_3_c11_c1_4
> +  mrs x3, S3_3_c11_c1_4
>
>  ; CHECK: mrs x3, ACTLR_EL1              ; encoding: [0x23,0x10,0x38,0xd5]
>  ; CHECK: mrs x3, ACTLR_EL2              ; encoding: [0x23,0x10,0x3c,0xd5]
>  ; CHECK: mrs x3, ACTLR_EL3              ; encoding: [0x23,0x10,0x3e,0xd5]
>  ; CHECK: mrs x3, AFSR0_EL1              ; encoding: [0x03,0x51,0x38,0xd5]
> -; CHECK: mrs x3, ADFSR_EL2              ; encoding: [0x03,0x51,0x3c,0xd5]
> -; CHECK: mrs x3, ADFSR_EL3              ; encoding: [0x03,0x51,0x3e,0xd5]
> +; CHECK: mrs x3, AFSR0_EL2              ; encoding: [0x03,0x51,0x3c,0xd5]
> +; CHECK: mrs x3, AFSR0_EL3              ; encoding: [0x03,0x51,0x3e,0xd5]
>  ; CHECK: mrs x3, AIDR_EL1               ; encoding: [0xe3,0x00,0x39,0xd5]
>  ; CHECK: mrs x3, AFSR1_EL1              ; encoding: [0x23,0x51,0x38,0xd5]
> -; CHECK: mrs x3, AIFSR_EL2              ; encoding: [0x23,0x51,0x3c,0xd5]
> -; CHECK: mrs x3, AIFSR_EL3              ; encoding: [0x23,0x51,0x3e,0xd5]
> +; CHECK: mrs x3, AFSR1_EL2              ; encoding: [0x23,0x51,0x3c,0xd5]
> +; CHECK: mrs x3, AFSR1_EL3              ; encoding: [0x23,0x51,0x3e,0xd5]
>  ; CHECK: mrs x3, AMAIR_EL1              ; encoding: [0x03,0xa3,0x38,0xd5]
>  ; CHECK: mrs x3, AMAIR_EL2              ; encoding: [0x03,0xa3,0x3c,0xd5]
>  ; CHECK: mrs x3, AMAIR_EL3              ; encoding: [0x03,0xa3,0x3e,0xd5]
> @@ -488,7 +435,7 @@ foo:
>  ; CHECK: mrs x3, CPTR_EL3               ; encoding: [0x43,0x11,0x3e,0xd5]
>  ; CHECK: mrs x3, CSSELR_EL1             ; encoding: [0x03,0x00,0x3a,0xd5]
>  ; CHECK: mrs x3, CTR_EL0                ; encoding: [0x23,0x00,0x3b,0xd5]
> -; CHECK: mrs x3, CurrentEL              ; encoding: [0x43,0x42,0x38,0xd5]
> +; CHECK: mrs x3, CURRENTEL              ; encoding: [0x43,0x42,0x38,0xd5]
>  ; CHECK: mrs x3, DACR32_EL2             ; encoding: [0x03,0x30,0x3c,0xd5]
>  ; CHECK: mrs x3, DCZID_EL0              ; encoding: [0xe3,0x00,0x3b,0xd5]
>  ; CHECK: mrs x3, REVIDR_EL1             ; encoding: [0xc3,0x00,0x38,0xd5]
> @@ -556,12 +503,11 @@ foo:
>  ; CHECK: mrs   x3, MDCCINT_EL1         ; encoding: [0x03,0x02,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGDTR_EL0          ; encoding: [0x03,0x04,0x33,0xd5]
>  ; CHECK: mrs   x3, DBGDTRRX_EL0        ; encoding: [0x03,0x05,0x33,0xd5]
> -; CHECK: mrs   x3, DBGDTRRX_EL0        ; encoding: [0x03,0x05,0x33,0xd5]
>  ; CHECK: mrs   x3, DBGVCR32_EL2        ; encoding: [0x03,0x07,0x34,0xd5]
>  ; CHECK: mrs   x3, OSDTRRX_EL1         ; encoding: [0x43,0x00,0x30,0xd5]
>  ; CHECK: mrs   x3, MDSCR_EL1           ; encoding: [0x43,0x02,0x30,0xd5]
>  ; CHECK: mrs   x3, OSDTRTX_EL1         ; encoding: [0x43,0x03,0x30,0xd5]
> -; CHECK: mrs   x3, OSECCR_EL11         ; encoding: [0x43,0x06,0x30,0xd5]
> +; CHECK: mrs   x3, OSECCR_EL1          ; encoding: [0x43,0x06,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGBVR0_EL1         ; encoding: [0x83,0x00,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGBVR1_EL1         ; encoding: [0x83,0x01,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGBVR2_EL1         ; encoding: [0x83,0x02,0x30,0xd5]
> @@ -627,30 +573,30 @@ foo:
>  ; CHECK: mrs   x3, DBGWCR14_EL1        ; encoding: [0xe3,0x0e,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGWCR15_EL1        ; encoding: [0xe3,0x0f,0x30,0xd5]
>  ; CHECK: mrs   x3, MDRAR_EL1           ; encoding: [0x03,0x10,0x30,0xd5]
> -; CHECK: mrs   x3, OSLAR_EL1           ; encoding: [0x83,0x10,0x30,0xd5]
>  ; CHECK: mrs   x3, OSLSR_EL1           ; encoding: [0x83,0x11,0x30,0xd5]
>  ; CHECK: mrs   x3, OSDLR_EL1           ; encoding: [0x83,0x13,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGPRCR_EL1         ; encoding: [0x83,0x14,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGCLAIMSET_EL1     ; encoding: [0xc3,0x78,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGCLAIMCLR_EL1     ; encoding: [0xc3,0x79,0x30,0xd5]
>  ; CHECK: mrs   x3, DBGAUTHSTATUS_EL1   ; encoding: [0xc3,0x7e,0x30,0xd5]
> -; CHECK: mrs   x3, DBGDEVID2           ; encoding: [0xe3,0x70,0x30,0xd5]
> -; CHECK: mrs   x3, DBGDEVID1           ; encoding: [0xe3,0x71,0x30,0xd5]
> -; CHECK: mrs   x3, DBGDEVID0           ; encoding: [0xe3,0x72,0x30,0xd5]
> -; CHECK: mrs    x1, S2_2_C4_C6_4        ; encoding: [0x81,0x46,0x32,0xd5]
> -; CHECK: mrs   x3, S2_3_C2_C1_4        ; encoding: [0x83,0x21,0x33,0xd5]
> -; CHECK: mrs   x3, S2_3_C2_C1_4        ; encoding: [0x83,0x21,0x33,0xd5]
> +; CHECK: mrs    x1, S3_2_C15_C6_4       ; encoding: [0x81,0xf6,0x3a,0xd5]
> +; CHECK: mrs   x3, S3_3_C11_C1_4       ; encoding: [0x83,0xb1,0x3b,0xd5]
> +; CHECK: mrs   x3, S3_3_C11_C1_4       ; encoding: [0x83,0xb1,0x3b,0xd5]
>
>    msr RMR_EL3, x0
>    msr RMR_EL2, x0
>    msr RMR_EL1, x0
>    msr CPM_IOACC_CTL_EL3, x0
> -
> +  msr OSLAR_EL1, x3
> +  msr DBGDTRTX_EL0, x3
> +
>  ; CHECK: msr   RMR_EL3, x0             ; encoding: [0x40,0xc0,0x1e,0xd5]
> -; CHECK: msr   RMR_EL2, x0             ; encoding: [0x40,0xc0,0x1a,0xd5]
> -; CHECK: msr   RMR_EL1, x0             ; encoding: [0x40,0xc0,0x19,0xd5]
> +; CHECK: msr   RMR_EL2, x0             ; encoding: [0x40,0xc0,0x1c,0xd5]
> +; CHECK: msr   RMR_EL1, x0             ; encoding: [0x40,0xc0,0x18,0xd5]
>  ; CHECK: msr   CPM_IOACC_CTL_EL3, x0   ; encoding: [0x00,0xf2,0x1f,0xd5]
> -
> +; CHECK: msr   OSLAR_EL1, x3           ; encoding: [0x83,0x10,0x10,0xd5]
> +; CHECK: msr   DBGDTRTX_EL0, x3        ; encoding: [0x03,0x05,0x13,0xd5]
> +
>   mrs x0, ID_PFR0_EL1
>   mrs x0, ID_PFR1_EL1
>   mrs x0, ID_DFR0_EL1
>
> Modified: llvm/trunk/test/MC/Disassembler/ARM64/system.txt
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Disassembler/ARM64/system.txt?rev=205868&r1=205867&r2=205868&view=diff
> ==============================================================================
> --- llvm/trunk/test/MC/Disassembler/ARM64/system.txt (original)
> +++ llvm/trunk/test/MC/Disassembler/ARM64/system.txt Wed Apr  9 09:42:36 2014
> @@ -38,19 +38,19 @@
>    0xe7 0x6a 0x0f 0xd5
>    0xf4 0x3f 0x2e 0xd5
>    0xbf 0x40 0x00 0xd5
> -  0x00 0x00 0x10 0xd5
> -  0x00 0x00 0x30 0xd5
> +  0x00 0xb0 0x18 0xd5
> +  0x00 0xb0 0x38 0xd5
>
>  # CHECK: sys #2, c0, c5, #7
>  # CHECK: sys #7, c6, c10, #7, x7
>  # CHECK: sysl  x20, #6, c3, c15, #7
>  # CHECK: msr  SPSel, #0
> -# CHECK: msr S2_0_C0_C0_0, x0
> -# CHECK: mrs x0, S2_0_C0_C0_0
> +# CHECK: msr S3_0_C11_C0_0, x0
> +# CHECK: mrs x0, S3_0_C11_C0_0
>
>    0x40 0xc0 0x1e 0xd5
> -  0x40 0xc0 0x1a 0xd5
> -  0x40 0xc0 0x19 0xd5
> +  0x40 0xc0 0x1c 0xd5
> +  0x40 0xc0 0x18 0xd5
>
>  # CHECK: msr RMR_EL3, x0
>  # CHECK: msr RMR_EL2, x0
>
>
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