| // cmd/9c/9.out.h from Vita Nuova. |
| // |
| // Copyright © 1994-1999 Lucent Technologies Inc. All rights reserved. |
| // Portions Copyright © 1995-1997 C H Forsyth (forsyth@terzarima.net) |
| // Portions Copyright © 1997-1999 Vita Nuova Limited |
| // Portions Copyright © 2000-2008 Vita Nuova Holdings Limited (www.vitanuova.com) |
| // Portions Copyright © 2004,2006 Bruce Ellis |
| // Portions Copyright © 2005-2007 C H Forsyth (forsyth@terzarima.net) |
| // Revisions Copyright © 2000-2008 Lucent Technologies Inc. and others |
| // Portions Copyright © 2009 The Go Authors. All rights reserved. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a copy |
| // of this software and associated documentation files (the "Software"), to deal |
| // in the Software without restriction, including without limitation the rights |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| // copies of the Software, and to permit persons to whom the Software is |
| // furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| // THE SOFTWARE. |
| |
| package mips |
| |
| import ( |
| "cmd/internal/obj" |
| ) |
| |
| //go:generate go run ../stringer.go -i $GOFILE -o anames.go -p mips |
| |
| /* |
| * mips 64 |
| */ |
| const ( |
| NSNAME = 8 |
| NSYM = 50 |
| NREG = 32 /* number of general registers */ |
| NFREG = 32 /* number of floating point registers */ |
| NWREG = 32 /* number of MSA registers */ |
| ) |
| |
| const ( |
| REG_R0 = obj.RBaseMIPS + iota // must be a multiple of 32 |
| REG_R1 |
| REG_R2 |
| REG_R3 |
| REG_R4 |
| REG_R5 |
| REG_R6 |
| REG_R7 |
| REG_R8 |
| REG_R9 |
| REG_R10 |
| REG_R11 |
| REG_R12 |
| REG_R13 |
| REG_R14 |
| REG_R15 |
| REG_R16 |
| REG_R17 |
| REG_R18 |
| REG_R19 |
| REG_R20 |
| REG_R21 |
| REG_R22 |
| REG_R23 |
| REG_R24 |
| REG_R25 |
| REG_R26 |
| REG_R27 |
| REG_R28 |
| REG_R29 |
| REG_R30 |
| REG_R31 |
| |
| REG_F0 // must be a multiple of 32 |
| REG_F1 |
| REG_F2 |
| REG_F3 |
| REG_F4 |
| REG_F5 |
| REG_F6 |
| REG_F7 |
| REG_F8 |
| REG_F9 |
| REG_F10 |
| REG_F11 |
| REG_F12 |
| REG_F13 |
| REG_F14 |
| REG_F15 |
| REG_F16 |
| REG_F17 |
| REG_F18 |
| REG_F19 |
| REG_F20 |
| REG_F21 |
| REG_F22 |
| REG_F23 |
| REG_F24 |
| REG_F25 |
| REG_F26 |
| REG_F27 |
| REG_F28 |
| REG_F29 |
| REG_F30 |
| REG_F31 |
| |
| // co-processor 0 control registers |
| REG_M0 // must be a multiple of 32 |
| REG_M1 |
| REG_M2 |
| REG_M3 |
| REG_M4 |
| REG_M5 |
| REG_M6 |
| REG_M7 |
| REG_M8 |
| REG_M9 |
| REG_M10 |
| REG_M11 |
| REG_M12 |
| REG_M13 |
| REG_M14 |
| REG_M15 |
| REG_M16 |
| REG_M17 |
| REG_M18 |
| REG_M19 |
| REG_M20 |
| REG_M21 |
| REG_M22 |
| REG_M23 |
| REG_M24 |
| REG_M25 |
| REG_M26 |
| REG_M27 |
| REG_M28 |
| REG_M29 |
| REG_M30 |
| REG_M31 |
| |
| // FPU control registers |
| REG_FCR0 // must be a multiple of 32 |
| REG_FCR1 |
| REG_FCR2 |
| REG_FCR3 |
| REG_FCR4 |
| REG_FCR5 |
| REG_FCR6 |
| REG_FCR7 |
| REG_FCR8 |
| REG_FCR9 |
| REG_FCR10 |
| REG_FCR11 |
| REG_FCR12 |
| REG_FCR13 |
| REG_FCR14 |
| REG_FCR15 |
| REG_FCR16 |
| REG_FCR17 |
| REG_FCR18 |
| REG_FCR19 |
| REG_FCR20 |
| REG_FCR21 |
| REG_FCR22 |
| REG_FCR23 |
| REG_FCR24 |
| REG_FCR25 |
| REG_FCR26 |
| REG_FCR27 |
| REG_FCR28 |
| REG_FCR29 |
| REG_FCR30 |
| REG_FCR31 |
| |
| // MSA registers |
| // The lower bits of W registers are alias to F registers |
| REG_W0 // must be a multiple of 32 |
| REG_W1 |
| REG_W2 |
| REG_W3 |
| REG_W4 |
| REG_W5 |
| REG_W6 |
| REG_W7 |
| REG_W8 |
| REG_W9 |
| REG_W10 |
| REG_W11 |
| REG_W12 |
| REG_W13 |
| REG_W14 |
| REG_W15 |
| REG_W16 |
| REG_W17 |
| REG_W18 |
| REG_W19 |
| REG_W20 |
| REG_W21 |
| REG_W22 |
| REG_W23 |
| REG_W24 |
| REG_W25 |
| REG_W26 |
| REG_W27 |
| REG_W28 |
| REG_W29 |
| REG_W30 |
| REG_W31 |
| |
| REG_HI |
| REG_LO |
| |
| REG_LAST = REG_LO // the last defined register |
| |
| REG_SPECIAL = REG_M0 |
| |
| REGZERO = REG_R0 /* set to zero */ |
| REGSP = REG_R29 |
| REGSB = REG_R28 |
| REGLINK = REG_R31 |
| REGRET = REG_R1 |
| REGARG = -1 /* -1 disables passing the first argument in register */ |
| REGRT1 = REG_R1 /* reserved for runtime, duffzero and duffcopy */ |
| REGRT2 = REG_R2 /* reserved for runtime, duffcopy */ |
| REGCTXT = REG_R22 /* context for closures */ |
| REGG = REG_R30 /* G */ |
| REGTMP = REG_R23 /* used by the linker */ |
| FREGRET = REG_F0 |
| ) |
| |
| // https://llvm.org/svn/llvm-project/llvm/trunk/lib/Target/Mips/MipsRegisterInfo.td search for DwarfRegNum |
| // https://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/mips/mips.c?view=co&revision=258099&content-type=text%2Fplain search for mips_dwarf_regno |
| // For now, this is adequate for both 32 and 64 bit. |
| var MIPSDWARFRegisters = map[int16]int16{} |
| |
| func init() { |
| // f assigns dwarfregisters[from:to] = (base):(to-from+base) |
| f := func(from, to, base int16) { |
| for r := int16(from); r <= to; r++ { |
| MIPSDWARFRegisters[r] = (r - from) + base |
| } |
| } |
| f(REG_R0, REG_R31, 0) |
| f(REG_F0, REG_F31, 32) // For 32-bit MIPS, compiler only uses even numbered registers -- see cmd/compile/internal/ssa/gen/MIPSOps.go |
| MIPSDWARFRegisters[REG_HI] = 64 |
| MIPSDWARFRegisters[REG_LO] = 65 |
| // The lower bits of W registers are alias to F registers |
| f(REG_W0, REG_W31, 32) |
| } |
| |
| const ( |
| BIG = 32766 |
| ) |
| |
| const ( |
| /* mark flags */ |
| FOLL = 1 << 0 |
| LABEL = 1 << 1 |
| LEAF = 1 << 2 |
| SYNC = 1 << 3 |
| BRANCH = 1 << 4 |
| LOAD = 1 << 5 |
| FCMP = 1 << 6 |
| NOSCHED = 1 << 7 |
| |
| NSCHED = 20 |
| ) |
| |
| const ( |
| C_NONE = iota |
| C_REG |
| C_FREG |
| C_FCREG |
| C_MREG /* special processor register */ |
| C_WREG /* MSA registers */ |
| C_HI |
| C_LO |
| C_ZCON |
| C_SCON /* 16 bit signed */ |
| C_UCON /* 32 bit signed, low 16 bits 0 */ |
| C_ADD0CON |
| C_AND0CON |
| C_ADDCON /* -0x8000 <= v < 0 */ |
| C_ANDCON /* 0 < v <= 0xFFFF */ |
| C_LCON /* other 32 */ |
| C_DCON /* other 64 (could subdivide further) */ |
| C_SACON /* $n(REG) where n <= int16 */ |
| C_SECON |
| C_LACON /* $n(REG) where int16 < n <= int32 */ |
| C_LECON |
| C_DACON /* $n(REG) where int32 < n */ |
| C_STCON /* $tlsvar */ |
| C_SBRA |
| C_LBRA |
| C_SAUTO |
| C_LAUTO |
| C_SEXT |
| C_LEXT |
| C_ZOREG |
| C_SOREG |
| C_LOREG |
| C_GOK |
| C_ADDR |
| C_TLS |
| C_TEXTSIZE |
| |
| C_NCLASS /* must be the last */ |
| ) |
| |
| const ( |
| AABSD = obj.ABaseMIPS + obj.A_ARCHSPECIFIC + iota |
| AABSF |
| AABSW |
| AADD |
| AADDD |
| AADDF |
| AADDU |
| AADDW |
| AAND |
| ABEQ |
| ABFPF |
| ABFPT |
| ABGEZ |
| ABGEZAL |
| ABGTZ |
| ABLEZ |
| ABLTZ |
| ABLTZAL |
| ABNE |
| ABREAK |
| ACLO |
| ACLZ |
| ACMOVF |
| ACMOVN |
| ACMOVT |
| ACMOVZ |
| ACMPEQD |
| ACMPEQF |
| ACMPGED |
| ACMPGEF |
| ACMPGTD |
| ACMPGTF |
| ADIV |
| ADIVD |
| ADIVF |
| ADIVU |
| ADIVW |
| AGOK |
| ALL |
| ALLV |
| ALUI |
| AMADD |
| AMOVB |
| AMOVBU |
| AMOVD |
| AMOVDF |
| AMOVDW |
| AMOVF |
| AMOVFD |
| AMOVFW |
| AMOVH |
| AMOVHU |
| AMOVW |
| AMOVWD |
| AMOVWF |
| AMOVWL |
| AMOVWR |
| AMSUB |
| AMUL |
| AMULD |
| AMULF |
| AMULU |
| AMULW |
| ANEGD |
| ANEGF |
| ANEGW |
| ANEGV |
| ANOOP // hardware nop |
| ANOR |
| AOR |
| AREM |
| AREMU |
| ARFE |
| ASC |
| ASCV |
| ASGT |
| ASGTU |
| ASLL |
| ASQRTD |
| ASQRTF |
| ASRA |
| ASRL |
| ASUB |
| ASUBD |
| ASUBF |
| ASUBU |
| ASUBW |
| ASYNC |
| ASYSCALL |
| ATEQ |
| ATLBP |
| ATLBR |
| ATLBWI |
| ATLBWR |
| ATNE |
| AWORD |
| AXOR |
| |
| /* 64-bit */ |
| AMOVV |
| AMOVVL |
| AMOVVR |
| ASLLV |
| ASRAV |
| ASRLV |
| ADIVV |
| ADIVVU |
| AREMV |
| AREMVU |
| AMULV |
| AMULVU |
| AADDV |
| AADDVU |
| ASUBV |
| ASUBVU |
| |
| /* 64-bit FP */ |
| ATRUNCFV |
| ATRUNCDV |
| ATRUNCFW |
| ATRUNCDW |
| AMOVWU |
| AMOVFV |
| AMOVDV |
| AMOVVF |
| AMOVVD |
| |
| /* MSA */ |
| AVMOVB |
| AVMOVH |
| AVMOVW |
| AVMOVD |
| |
| ALAST |
| |
| // aliases |
| AJMP = obj.AJMP |
| AJAL = obj.ACALL |
| ARET = obj.ARET |
| ) |
| |
| func init() { |
| // The asm encoder generally assumes that the lowest 5 bits of the |
| // REG_XX constants match the machine instruction encoding, i.e. |
| // the lowest 5 bits is the register number. |
| // Check this here. |
| if REG_R0%32 != 0 { |
| panic("REG_R0 is not a multiple of 32") |
| } |
| if REG_F0%32 != 0 { |
| panic("REG_F0 is not a multiple of 32") |
| } |
| if REG_M0%32 != 0 { |
| panic("REG_M0 is not a multiple of 32") |
| } |
| if REG_FCR0%32 != 0 { |
| panic("REG_FCR0 is not a multiple of 32") |
| } |
| if REG_W0%32 != 0 { |
| panic("REG_W0 is not a multiple of 32") |
| } |
| } |
