github.com/hikaru7719/go@v0.0.0-20181025140707-c8b2ac68906a/src/cmd/internal/obj/arm64/a.out.go (about)

     1  // cmd/7c/7.out.h  from Vita Nuova.
     2  // https://code.google.com/p/ken-cc/source/browse/src/cmd/7c/7.out.h
     3  //
     4  // 	Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved.
     5  // 	Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net)
     6  // 	Portions Copyright © 1997-1999 Vita Nuova Limited
     7  // 	Portions Copyright © 2000-2007 Vita Nuova Holdings Limited (www.vitanuova.com)
     8  // 	Portions Copyright © 2004,2006 Bruce Ellis
     9  // 	Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net)
    10  // 	Revisions Copyright © 2000-2007 Lucent Technologies Inc. and others
    11  // 	Portions Copyright © 2009 The Go Authors. All rights reserved.
    12  //
    13  // Permission is hereby granted, free of charge, to any person obtaining a copy
    14  // of this software and associated documentation files (the "Software"), to deal
    15  // in the Software without restriction, including without limitation the rights
    16  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    17  // copies of the Software, and to permit persons to whom the Software is
    18  // furnished to do so, subject to the following conditions:
    19  //
    20  // The above copyright notice and this permission notice shall be included in
    21  // all copies or substantial portions of the Software.
    22  //
    23  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    24  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    25  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    26  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    27  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    28  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    29  // THE SOFTWARE.
    30  
    31  package arm64
    32  
    33  import "cmd/internal/obj"
    34  
    35  const (
    36  	NSNAME = 8
    37  	NSYM   = 50
    38  	NREG   = 32 /* number of general registers */
    39  	NFREG  = 32 /* number of floating point registers */
    40  )
    41  
    42  // General purpose registers, kept in the low bits of Prog.Reg.
    43  const (
    44  	// integer
    45  	REG_R0 = obj.RBaseARM64 + iota
    46  	REG_R1
    47  	REG_R2
    48  	REG_R3
    49  	REG_R4
    50  	REG_R5
    51  	REG_R6
    52  	REG_R7
    53  	REG_R8
    54  	REG_R9
    55  	REG_R10
    56  	REG_R11
    57  	REG_R12
    58  	REG_R13
    59  	REG_R14
    60  	REG_R15
    61  	REG_R16
    62  	REG_R17
    63  	REG_R18
    64  	REG_R19
    65  	REG_R20
    66  	REG_R21
    67  	REG_R22
    68  	REG_R23
    69  	REG_R24
    70  	REG_R25
    71  	REG_R26
    72  	REG_R27
    73  	REG_R28
    74  	REG_R29
    75  	REG_R30
    76  	REG_R31
    77  
    78  	// scalar floating point
    79  	REG_F0
    80  	REG_F1
    81  	REG_F2
    82  	REG_F3
    83  	REG_F4
    84  	REG_F5
    85  	REG_F6
    86  	REG_F7
    87  	REG_F8
    88  	REG_F9
    89  	REG_F10
    90  	REG_F11
    91  	REG_F12
    92  	REG_F13
    93  	REG_F14
    94  	REG_F15
    95  	REG_F16
    96  	REG_F17
    97  	REG_F18
    98  	REG_F19
    99  	REG_F20
   100  	REG_F21
   101  	REG_F22
   102  	REG_F23
   103  	REG_F24
   104  	REG_F25
   105  	REG_F26
   106  	REG_F27
   107  	REG_F28
   108  	REG_F29
   109  	REG_F30
   110  	REG_F31
   111  
   112  	// SIMD
   113  	REG_V0
   114  	REG_V1
   115  	REG_V2
   116  	REG_V3
   117  	REG_V4
   118  	REG_V5
   119  	REG_V6
   120  	REG_V7
   121  	REG_V8
   122  	REG_V9
   123  	REG_V10
   124  	REG_V11
   125  	REG_V12
   126  	REG_V13
   127  	REG_V14
   128  	REG_V15
   129  	REG_V16
   130  	REG_V17
   131  	REG_V18
   132  	REG_V19
   133  	REG_V20
   134  	REG_V21
   135  	REG_V22
   136  	REG_V23
   137  	REG_V24
   138  	REG_V25
   139  	REG_V26
   140  	REG_V27
   141  	REG_V28
   142  	REG_V29
   143  	REG_V30
   144  	REG_V31
   145  
   146  	// The EQ in
   147  	// 	CSET	EQ, R0
   148  	// is encoded as TYPE_REG, even though it's not really a register.
   149  	COND_EQ
   150  	COND_NE
   151  	COND_HS
   152  	COND_LO
   153  	COND_MI
   154  	COND_PL
   155  	COND_VS
   156  	COND_VC
   157  	COND_HI
   158  	COND_LS
   159  	COND_GE
   160  	COND_LT
   161  	COND_GT
   162  	COND_LE
   163  	COND_AL
   164  	COND_NV
   165  
   166  	REG_RSP = REG_V31 + 32 // to differentiate ZR/SP, REG_RSP&0x1f = 31
   167  )
   168  
   169  // bits 0-4 indicates register: Vn
   170  // bits 5-8 indicates arrangement: <T>
   171  const (
   172  	REG_ARNG = obj.RBaseARM64 + 1<<10 + iota<<9 // Vn.<T>
   173  	REG_ELEM                                    // Vn.<T>[index]
   174  	REG_ELEM_END
   175  )
   176  
   177  // Not registers, but flags that can be combined with regular register
   178  // constants to indicate extended register conversion. When checking,
   179  // you should subtract obj.RBaseARM64 first. From this difference, bit 11
   180  // indicates extended register, bits 8-10 select the conversion mode.
   181  // REG_LSL is the index shift specifier, bit 9 indicates shifted offset register.
   182  const REG_LSL = obj.RBaseARM64 + 1<<9
   183  const REG_EXT = obj.RBaseARM64 + 1<<11
   184  
   185  const (
   186  	REG_UXTB = REG_EXT + iota<<8
   187  	REG_UXTH
   188  	REG_UXTW
   189  	REG_UXTX
   190  	REG_SXTB
   191  	REG_SXTH
   192  	REG_SXTW
   193  	REG_SXTX
   194  )
   195  
   196  // Special registers, after subtracting obj.RBaseARM64, bit 12 indicates
   197  // a special register and the low bits select the register.
   198  const (
   199  	REG_SPECIAL = obj.RBaseARM64 + 1<<12 + iota
   200  	REG_DAIF
   201  	REG_NZCV
   202  	REG_FPSR
   203  	REG_FPCR
   204  	REG_SPSR_EL1
   205  	REG_ELR_EL1
   206  	REG_SPSR_EL2
   207  	REG_ELR_EL2
   208  	REG_CurrentEL
   209  	REG_SP_EL0
   210  	REG_SPSel
   211  	REG_DAIFSet
   212  	REG_DAIFClr
   213  	REG_DCZID_EL0
   214  	REG_PLDL1KEEP
   215  	REG_PLDL1STRM
   216  	REG_PLDL2KEEP
   217  	REG_PLDL2STRM
   218  	REG_PLDL3KEEP
   219  	REG_PLDL3STRM
   220  	REG_PLIL1KEEP
   221  	REG_PLIL1STRM
   222  	REG_PLIL2KEEP
   223  	REG_PLIL2STRM
   224  	REG_PLIL3KEEP
   225  	REG_PLIL3STRM
   226  	REG_PSTL1KEEP
   227  	REG_PSTL1STRM
   228  	REG_PSTL2KEEP
   229  	REG_PSTL2STRM
   230  	REG_PSTL3KEEP
   231  	REG_PSTL3STRM
   232  )
   233  
   234  // Register assignments:
   235  //
   236  // compiler allocates R0 up as temps
   237  // compiler allocates register variables R7-R25
   238  // compiler allocates external registers R26 down
   239  //
   240  // compiler allocates register variables F7-F26
   241  // compiler allocates external registers F26 down
   242  const (
   243  	REGMIN = REG_R7  // register variables allocated from here to REGMAX
   244  	REGRT1 = REG_R16 // ARM64 IP0, for external linker, runtime, duffzero and duffcopy
   245  	REGRT2 = REG_R17 // ARM64 IP1, for external linker, runtime, duffcopy
   246  	REGPR  = REG_R18 // ARM64 platform register, unused in the Go toolchain
   247  	REGMAX = REG_R25
   248  
   249  	REGCTXT = REG_R26 // environment for closures
   250  	REGTMP  = REG_R27 // reserved for liblink
   251  	REGG    = REG_R28 // G
   252  	REGFP   = REG_R29 // frame pointer, unused in the Go toolchain
   253  	REGLINK = REG_R30
   254  
   255  	// ARM64 uses R31 as both stack pointer and zero register,
   256  	// depending on the instruction. To differentiate RSP from ZR,
   257  	// we use a different numeric value for REGZERO and REGSP.
   258  	REGZERO = REG_R31
   259  	REGSP   = REG_RSP
   260  
   261  	FREGRET = REG_F0
   262  	FREGMIN = REG_F7  // first register variable
   263  	FREGMAX = REG_F26 // last register variable for 7g only
   264  	FREGEXT = REG_F26 // first external register
   265  )
   266  
   267  // http://infocenter.arm.com/help/topic/com.arm.doc.ecm0665627/abi_sve_aadwarf_100985_0000_00_en.pdf
   268  var ARM64DWARFRegisters = map[int16]int16{
   269  	REG_R0:  0,
   270  	REG_R1:  1,
   271  	REG_R2:  2,
   272  	REG_R3:  3,
   273  	REG_R4:  4,
   274  	REG_R5:  5,
   275  	REG_R6:  6,
   276  	REG_R7:  7,
   277  	REG_R8:  8,
   278  	REG_R9:  9,
   279  	REG_R10: 10,
   280  	REG_R11: 11,
   281  	REG_R12: 12,
   282  	REG_R13: 13,
   283  	REG_R14: 14,
   284  	REG_R15: 15,
   285  	REG_R16: 16,
   286  	REG_R17: 17,
   287  	REG_R18: 18,
   288  	REG_R19: 19,
   289  	REG_R20: 20,
   290  	REG_R21: 21,
   291  	REG_R22: 22,
   292  	REG_R23: 23,
   293  	REG_R24: 24,
   294  	REG_R25: 25,
   295  	REG_R26: 26,
   296  	REG_R27: 27,
   297  	REG_R28: 28,
   298  	REG_R29: 29,
   299  	REG_R30: 30,
   300  
   301  	// floating point
   302  	REG_F0:  64,
   303  	REG_F1:  65,
   304  	REG_F2:  66,
   305  	REG_F3:  67,
   306  	REG_F4:  68,
   307  	REG_F5:  69,
   308  	REG_F6:  70,
   309  	REG_F7:  71,
   310  	REG_F8:  72,
   311  	REG_F9:  73,
   312  	REG_F10: 74,
   313  	REG_F11: 75,
   314  	REG_F12: 76,
   315  	REG_F13: 77,
   316  	REG_F14: 78,
   317  	REG_F15: 79,
   318  	REG_F16: 80,
   319  	REG_F17: 81,
   320  	REG_F18: 82,
   321  	REG_F19: 83,
   322  	REG_F20: 84,
   323  	REG_F21: 85,
   324  	REG_F22: 86,
   325  	REG_F23: 87,
   326  	REG_F24: 88,
   327  	REG_F25: 89,
   328  	REG_F26: 90,
   329  	REG_F27: 91,
   330  	REG_F28: 92,
   331  	REG_F29: 93,
   332  	REG_F30: 94,
   333  	REG_F31: 95,
   334  
   335  	// SIMD
   336  	REG_V0:  64,
   337  	REG_V1:  65,
   338  	REG_V2:  66,
   339  	REG_V3:  67,
   340  	REG_V4:  68,
   341  	REG_V5:  69,
   342  	REG_V6:  70,
   343  	REG_V7:  71,
   344  	REG_V8:  72,
   345  	REG_V9:  73,
   346  	REG_V10: 74,
   347  	REG_V11: 75,
   348  	REG_V12: 76,
   349  	REG_V13: 77,
   350  	REG_V14: 78,
   351  	REG_V15: 79,
   352  	REG_V16: 80,
   353  	REG_V17: 81,
   354  	REG_V18: 82,
   355  	REG_V19: 83,
   356  	REG_V20: 84,
   357  	REG_V21: 85,
   358  	REG_V22: 86,
   359  	REG_V23: 87,
   360  	REG_V24: 88,
   361  	REG_V25: 89,
   362  	REG_V26: 90,
   363  	REG_V27: 91,
   364  	REG_V28: 92,
   365  	REG_V29: 93,
   366  	REG_V30: 94,
   367  	REG_V31: 95,
   368  }
   369  
   370  const (
   371  	BIG = 2048 - 8
   372  )
   373  
   374  const (
   375  	/* mark flags */
   376  	LABEL = 1 << iota
   377  	LEAF
   378  	FLOAT
   379  	BRANCH
   380  	LOAD
   381  	FCMP
   382  	SYNC
   383  	LIST
   384  	FOLL
   385  	NOSCHED
   386  )
   387  
   388  const (
   389  	// optab is sorted based on the order of these constants
   390  	// and the first match is chosen.
   391  	// The more specific class needs to come earlier.
   392  	C_NONE   = iota
   393  	C_REG    // R0..R30
   394  	C_RSP    // R0..R30, RSP
   395  	C_FREG   // F0..F31
   396  	C_VREG   // V0..V31
   397  	C_PAIR   // (Rn, Rm)
   398  	C_SHIFT  // Rn<<2
   399  	C_EXTREG // Rn.UXTB[<<3]
   400  	C_SPR    // REG_NZCV
   401  	C_COND   // EQ, NE, etc
   402  	C_ARNG   // Vn.<T>
   403  	C_ELEM   // Vn.<T>[index]
   404  	C_LIST   // [V1, V2, V3]
   405  
   406  	C_ZCON     // $0 or ZR
   407  	C_ABCON0   // could be C_ADDCON0 or C_BITCON
   408  	C_ADDCON0  // 12-bit unsigned, unshifted
   409  	C_ABCON    // could be C_ADDCON or C_BITCON
   410  	C_AMCON    // could be C_ADDCON or C_MOVCON
   411  	C_ADDCON   // 12-bit unsigned, shifted left by 0 or 12
   412  	C_MBCON    // could be C_MOVCON or C_BITCON
   413  	C_MOVCON   // generated by a 16-bit constant, optionally inverted and/or shifted by multiple of 16
   414  	C_BITCON   // bitfield and logical immediate masks
   415  	C_ADDCON2  // 24-bit constant
   416  	C_LCON     // 32-bit constant
   417  	C_VCON     // 64-bit constant
   418  	C_FCON     // floating-point constant
   419  	C_VCONADDR // 64-bit memory address
   420  
   421  	C_AACON // ADDCON offset in auto constant $a(FP)
   422  	C_LACON // 32-bit offset in auto constant $a(FP)
   423  	C_AECON // ADDCON offset in extern constant $e(SB)
   424  
   425  	// TODO(aram): only one branch class should be enough
   426  	C_SBRA // for TYPE_BRANCH
   427  	C_LBRA
   428  
   429  	C_ZAUTO      // 0(RSP)
   430  	C_NSAUTO_8   // -256 <= x < 0, 0 mod 8
   431  	C_NSAUTO_4   // -256 <= x < 0, 0 mod 4
   432  	C_NSAUTO     // -256 <= x < 0
   433  	C_NPAUTO     // -512 <= x < 0, 0 mod 8
   434  	C_NAUTO4K    // -4095 <= x < 0
   435  	C_PSAUTO_8   // 0 to 255, 0 mod 8
   436  	C_PSAUTO_4   // 0 to 255, 0 mod 4
   437  	C_PSAUTO     // 0 to 255
   438  	C_PPAUTO     // 0 to 504, 0 mod 8
   439  	C_UAUTO4K_8  // 0 to 4095, 0 mod 8
   440  	C_UAUTO4K_4  // 0 to 4095, 0 mod 4
   441  	C_UAUTO4K_2  // 0 to 4095, 0 mod 2
   442  	C_UAUTO4K    // 0 to 4095
   443  	C_UAUTO8K_8  // 0 to 8190, 0 mod 8
   444  	C_UAUTO8K_4  // 0 to 8190, 0 mod 4
   445  	C_UAUTO8K    // 0 to 8190, 0 mod 2
   446  	C_UAUTO16K_8 // 0 to 16380, 0 mod 8
   447  	C_UAUTO16K   // 0 to 16380, 0 mod 4
   448  	C_UAUTO32K   // 0 to 32760, 0 mod 8
   449  	C_LAUTO      // any other 32-bit constant
   450  
   451  	C_SEXT1  // 0 to 4095, direct
   452  	C_SEXT2  // 0 to 8190
   453  	C_SEXT4  // 0 to 16380
   454  	C_SEXT8  // 0 to 32760
   455  	C_SEXT16 // 0 to 65520
   456  	C_LEXT
   457  
   458  	C_ZOREG    // 0(R)
   459  	C_NSOREG_8 // must mirror C_NSAUTO_8, etc
   460  	C_NSOREG_4
   461  	C_NSOREG
   462  	C_NPOREG
   463  	C_NOREG4K
   464  	C_PSOREG_8
   465  	C_PSOREG_4
   466  	C_PSOREG
   467  	C_PPOREG
   468  	C_UOREG4K_8
   469  	C_UOREG4K_4
   470  	C_UOREG4K_2
   471  	C_UOREG4K
   472  	C_UOREG8K_8
   473  	C_UOREG8K_4
   474  	C_UOREG8K
   475  	C_UOREG16K_8
   476  	C_UOREG16K
   477  	C_UOREG32K
   478  	C_LOREG
   479  
   480  	C_ADDR // TODO(aram): explain difference from C_VCONADDR
   481  
   482  	// The GOT slot for a symbol in -dynlink mode.
   483  	C_GOTADDR
   484  
   485  	// TLS "var" in local exec mode: will become a constant offset from
   486  	// thread local base that is ultimately chosen by the program linker.
   487  	C_TLS_LE
   488  
   489  	// TLS "var" in initial exec mode: will become a memory address (chosen
   490  	// by the program linker) that the dynamic linker will fill with the
   491  	// offset from the thread local base.
   492  	C_TLS_IE
   493  
   494  	C_ROFF // register offset (including register extended)
   495  
   496  	C_GOK
   497  	C_TEXTSIZE
   498  	C_NCLASS // must be last
   499  )
   500  
   501  const (
   502  	C_XPRE  = 1 << 6 // match arm.C_WBIT, so Prog.String know how to print it
   503  	C_XPOST = 1 << 5 // match arm.C_PBIT, so Prog.String know how to print it
   504  )
   505  
   506  //go:generate go run ../stringer.go -i $GOFILE -o anames.go -p arm64
   507  
   508  const (
   509  	AADC = obj.ABaseARM64 + obj.A_ARCHSPECIFIC + iota
   510  	AADCS
   511  	AADCSW
   512  	AADCW
   513  	AADD
   514  	AADDS
   515  	AADDSW
   516  	AADDW
   517  	AADR
   518  	AADRP
   519  	AAND
   520  	AANDS
   521  	AANDSW
   522  	AANDW
   523  	AASR
   524  	AASRW
   525  	AAT
   526  	ABFI
   527  	ABFIW
   528  	ABFM
   529  	ABFMW
   530  	ABFXIL
   531  	ABFXILW
   532  	ABIC
   533  	ABICS
   534  	ABICSW
   535  	ABICW
   536  	ABRK
   537  	ACBNZ
   538  	ACBNZW
   539  	ACBZ
   540  	ACBZW
   541  	ACCMN
   542  	ACCMNW
   543  	ACCMP
   544  	ACCMPW
   545  	ACINC
   546  	ACINCW
   547  	ACINV
   548  	ACINVW
   549  	ACLREX
   550  	ACLS
   551  	ACLSW
   552  	ACLZ
   553  	ACLZW
   554  	ACMN
   555  	ACMNW
   556  	ACMP
   557  	ACMPW
   558  	ACNEG
   559  	ACNEGW
   560  	ACRC32B
   561  	ACRC32CB
   562  	ACRC32CH
   563  	ACRC32CW
   564  	ACRC32CX
   565  	ACRC32H
   566  	ACRC32W
   567  	ACRC32X
   568  	ACSEL
   569  	ACSELW
   570  	ACSET
   571  	ACSETM
   572  	ACSETMW
   573  	ACSETW
   574  	ACSINC
   575  	ACSINCW
   576  	ACSINV
   577  	ACSINVW
   578  	ACSNEG
   579  	ACSNEGW
   580  	ADC
   581  	ADCPS1
   582  	ADCPS2
   583  	ADCPS3
   584  	ADMB
   585  	ADRPS
   586  	ADSB
   587  	AEON
   588  	AEONW
   589  	AEOR
   590  	AEORW
   591  	AERET
   592  	AEXTR
   593  	AEXTRW
   594  	AHINT
   595  	AHLT
   596  	AHVC
   597  	AIC
   598  	AISB
   599  	ALDADDALB
   600  	ALDADDALH
   601  	ALDADDALW
   602  	ALDADDALD
   603  	ALDADDB
   604  	ALDADDH
   605  	ALDADDW
   606  	ALDADDD
   607  	ALDANDB
   608  	ALDANDH
   609  	ALDANDW
   610  	ALDANDD
   611  	ALDAR
   612  	ALDARB
   613  	ALDARH
   614  	ALDARW
   615  	ALDAXP
   616  	ALDAXPW
   617  	ALDAXR
   618  	ALDAXRB
   619  	ALDAXRH
   620  	ALDAXRW
   621  	ALDEORB
   622  	ALDEORH
   623  	ALDEORW
   624  	ALDEORD
   625  	ALDORB
   626  	ALDORH
   627  	ALDORW
   628  	ALDORD
   629  	ALDP
   630  	ALDPW
   631  	ALDPSW
   632  	ALDXR
   633  	ALDXRB
   634  	ALDXRH
   635  	ALDXRW
   636  	ALDXP
   637  	ALDXPW
   638  	ALSL
   639  	ALSLW
   640  	ALSR
   641  	ALSRW
   642  	AMADD
   643  	AMADDW
   644  	AMNEG
   645  	AMNEGW
   646  	AMOVK
   647  	AMOVKW
   648  	AMOVN
   649  	AMOVNW
   650  	AMOVZ
   651  	AMOVZW
   652  	AMRS
   653  	AMSR
   654  	AMSUB
   655  	AMSUBW
   656  	AMUL
   657  	AMULW
   658  	AMVN
   659  	AMVNW
   660  	ANEG
   661  	ANEGS
   662  	ANEGSW
   663  	ANEGW
   664  	ANGC
   665  	ANGCS
   666  	ANGCSW
   667  	ANGCW
   668  	AORN
   669  	AORNW
   670  	AORR
   671  	AORRW
   672  	APRFM
   673  	APRFUM
   674  	ARBIT
   675  	ARBITW
   676  	AREM
   677  	AREMW
   678  	AREV
   679  	AREV16
   680  	AREV16W
   681  	AREV32
   682  	AREVW
   683  	AROR
   684  	ARORW
   685  	ASBC
   686  	ASBCS
   687  	ASBCSW
   688  	ASBCW
   689  	ASBFIZ
   690  	ASBFIZW
   691  	ASBFM
   692  	ASBFMW
   693  	ASBFX
   694  	ASBFXW
   695  	ASDIV
   696  	ASDIVW
   697  	ASEV
   698  	ASEVL
   699  	ASMADDL
   700  	ASMC
   701  	ASMNEGL
   702  	ASMSUBL
   703  	ASMULH
   704  	ASMULL
   705  	ASTXR
   706  	ASTXRB
   707  	ASTXRH
   708  	ASTXP
   709  	ASTXPW
   710  	ASTXRW
   711  	ASTLP
   712  	ASTLPW
   713  	ASTLR
   714  	ASTLRB
   715  	ASTLRH
   716  	ASTLRW
   717  	ASTLXP
   718  	ASTLXPW
   719  	ASTLXR
   720  	ASTLXRB
   721  	ASTLXRH
   722  	ASTLXRW
   723  	ASTP
   724  	ASTPW
   725  	ASUB
   726  	ASUBS
   727  	ASUBSW
   728  	ASUBW
   729  	ASVC
   730  	ASXTB
   731  	ASXTBW
   732  	ASXTH
   733  	ASXTHW
   734  	ASXTW
   735  	ASYS
   736  	ASYSL
   737  	ATBNZ
   738  	ATBZ
   739  	ATLBI
   740  	ATST
   741  	ATSTW
   742  	AUBFIZ
   743  	AUBFIZW
   744  	AUBFM
   745  	AUBFMW
   746  	AUBFX
   747  	AUBFXW
   748  	AUDIV
   749  	AUDIVW
   750  	AUMADDL
   751  	AUMNEGL
   752  	AUMSUBL
   753  	AUMULH
   754  	AUMULL
   755  	AUREM
   756  	AUREMW
   757  	AUXTB
   758  	AUXTH
   759  	AUXTW
   760  	AUXTBW
   761  	AUXTHW
   762  	AWFE
   763  	AWFI
   764  	AYIELD
   765  	AMOVB
   766  	AMOVBU
   767  	AMOVH
   768  	AMOVHU
   769  	AMOVW
   770  	AMOVWU
   771  	AMOVD
   772  	AMOVNP
   773  	AMOVNPW
   774  	AMOVP
   775  	AMOVPD
   776  	AMOVPQ
   777  	AMOVPS
   778  	AMOVPSW
   779  	AMOVPW
   780  	ASWPD
   781  	ASWPALD
   782  	ASWPW
   783  	ASWPALW
   784  	ASWPH
   785  	ASWPALH
   786  	ASWPB
   787  	ASWPALB
   788  	ABEQ
   789  	ABNE
   790  	ABCS
   791  	ABHS
   792  	ABCC
   793  	ABLO
   794  	ABMI
   795  	ABPL
   796  	ABVS
   797  	ABVC
   798  	ABHI
   799  	ABLS
   800  	ABGE
   801  	ABLT
   802  	ABGT
   803  	ABLE
   804  	AFABSD
   805  	AFABSS
   806  	AFADDD
   807  	AFADDS
   808  	AFCCMPD
   809  	AFCCMPED
   810  	AFCCMPS
   811  	AFCCMPES
   812  	AFCMPD
   813  	AFCMPED
   814  	AFCMPES
   815  	AFCMPS
   816  	AFCVTSD
   817  	AFCVTDS
   818  	AFCVTZSD
   819  	AFCVTZSDW
   820  	AFCVTZSS
   821  	AFCVTZSSW
   822  	AFCVTZUD
   823  	AFCVTZUDW
   824  	AFCVTZUS
   825  	AFCVTZUSW
   826  	AFDIVD
   827  	AFDIVS
   828  	AFLDPD
   829  	AFLDPS
   830  	AFMOVD
   831  	AFMOVS
   832  	AFMULD
   833  	AFMULS
   834  	AFNEGD
   835  	AFNEGS
   836  	AFSQRTD
   837  	AFSQRTS
   838  	AFSTPD
   839  	AFSTPS
   840  	AFSUBD
   841  	AFSUBS
   842  	ASCVTFD
   843  	ASCVTFS
   844  	ASCVTFWD
   845  	ASCVTFWS
   846  	AUCVTFD
   847  	AUCVTFS
   848  	AUCVTFWD
   849  	AUCVTFWS
   850  	AWORD
   851  	ADWORD
   852  	AFCSELS
   853  	AFCSELD
   854  	AFMAXS
   855  	AFMINS
   856  	AFMAXD
   857  	AFMIND
   858  	AFMAXNMS
   859  	AFMAXNMD
   860  	AFNMULS
   861  	AFNMULD
   862  	AFRINTNS
   863  	AFRINTND
   864  	AFRINTPS
   865  	AFRINTPD
   866  	AFRINTMS
   867  	AFRINTMD
   868  	AFRINTZS
   869  	AFRINTZD
   870  	AFRINTAS
   871  	AFRINTAD
   872  	AFRINTXS
   873  	AFRINTXD
   874  	AFRINTIS
   875  	AFRINTID
   876  	AFMADDS
   877  	AFMADDD
   878  	AFMSUBS
   879  	AFMSUBD
   880  	AFNMADDS
   881  	AFNMADDD
   882  	AFNMSUBS
   883  	AFNMSUBD
   884  	AFMINNMS
   885  	AFMINNMD
   886  	AFCVTDH
   887  	AFCVTHS
   888  	AFCVTHD
   889  	AFCVTSH
   890  	AAESD
   891  	AAESE
   892  	AAESIMC
   893  	AAESMC
   894  	ASHA1C
   895  	ASHA1H
   896  	ASHA1M
   897  	ASHA1P
   898  	ASHA1SU0
   899  	ASHA1SU1
   900  	ASHA256H
   901  	ASHA256H2
   902  	ASHA256SU0
   903  	ASHA256SU1
   904  	AVADD
   905  	AVADDP
   906  	AVAND
   907  	AVCMEQ
   908  	AVCNT
   909  	AVEOR
   910  	AVMOV
   911  	AVLD1
   912  	AVORR
   913  	AVREV32
   914  	AVREV64
   915  	AVST1
   916  	AVDUP
   917  	AVADDV
   918  	AVMOVI
   919  	AVUADDLV
   920  	AVSUB
   921  	AVFMLA
   922  	AVFMLS
   923  	AVPMULL
   924  	AVPMULL2
   925  	AVEXT
   926  	AVRBIT
   927  	AVUSHR
   928  	AVSHL
   929  	AVSRI
   930  	AVTBL
   931  	AVZIP1
   932  	AVZIP2
   933  	ALAST
   934  	AB  = obj.AJMP
   935  	ABL = obj.ACALL
   936  )
   937  
   938  const (
   939  	// shift types
   940  	SHIFT_LL = 0 << 22
   941  	SHIFT_LR = 1 << 22
   942  	SHIFT_AR = 2 << 22
   943  )
   944  
   945  // Arrangement for ARM64 SIMD instructions
   946  const (
   947  	// arrangement types
   948  	ARNG_8B = iota
   949  	ARNG_16B
   950  	ARNG_1D
   951  	ARNG_4H
   952  	ARNG_8H
   953  	ARNG_2S
   954  	ARNG_4S
   955  	ARNG_2D
   956  	ARNG_1Q
   957  	ARNG_B
   958  	ARNG_H
   959  	ARNG_S
   960  	ARNG_D
   961  )