// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_ARM64_CONSTANTS_ARM64_H_
#define V8_ARM64_CONSTANTS_ARM64_H_
#include "src/base/macros.h"
#include "src/globals.h"
// Assert that this is an LP64 system.
STATIC_ASSERT(sizeof(int) == sizeof(int32_t));
STATIC_ASSERT(sizeof(long) == sizeof(int64_t)); // NOLINT(runtime/int)
STATIC_ASSERT(sizeof(void *) == sizeof(int64_t));
STATIC_ASSERT(sizeof(1) == sizeof(int32_t));
STATIC_ASSERT(sizeof(1L) == sizeof(int64_t));
// Get the standard printf format macros for C99 stdint types.
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include <inttypes.h>
namespace v8 {
namespace internal {
const unsigned kInstructionSize = 4;
const unsigned kInstructionSizeLog2 = 2;
const unsigned kLoadLiteralScaleLog2 = 2;
const unsigned kMaxLoadLiteralRange = 1 * MB;
const int kNumberOfRegisters = 32;
const int kNumberOfFPRegisters = 32;
// Callee saved registers are x19-x30(lr).
const int kNumberOfCalleeSavedRegisters = 11;
const int kFirstCalleeSavedRegisterIndex = 19;
// Callee saved FP registers are d8-d15.
const int kNumberOfCalleeSavedFPRegisters = 8;
const int kFirstCalleeSavedFPRegisterIndex = 8;
// Callee saved registers with no specific purpose in JS are x19-x25.
const unsigned kJSCalleeSavedRegList = 0x03f80000;
const int kWRegSizeInBits = 32;
const int kWRegSizeInBitsLog2 = 5;
const int kWRegSize = kWRegSizeInBits >> 3;
const int kWRegSizeLog2 = kWRegSizeInBitsLog2 - 3;
const int kXRegSizeInBits = 64;
const int kXRegSizeInBitsLog2 = 6;
const int kXRegSize = kXRegSizeInBits >> 3;
const int kXRegSizeLog2 = kXRegSizeInBitsLog2 - 3;
const int kSRegSizeInBits = 32;
const int kSRegSizeInBitsLog2 = 5;
const int kSRegSize = kSRegSizeInBits >> 3;
const int kSRegSizeLog2 = kSRegSizeInBitsLog2 - 3;
const int kDRegSizeInBits = 64;
const int kDRegSizeInBitsLog2 = 6;
const int kDRegSize = kDRegSizeInBits >> 3;
const int kDRegSizeLog2 = kDRegSizeInBitsLog2 - 3;
const int64_t kWRegMask = 0x00000000ffffffffL;
const int64_t kXRegMask = 0xffffffffffffffffL;
const int64_t kSRegMask = 0x00000000ffffffffL;
const int64_t kDRegMask = 0xffffffffffffffffL;
// TODO(all) check if the expression below works on all compilers or if it
// triggers an overflow error.
const int64_t kDSignBit = 63;
const int64_t kDSignMask = 0x1L << kDSignBit;
const int64_t kSSignBit = 31;
const int64_t kSSignMask = 0x1L << kSSignBit;
const int64_t kXSignBit = 63;
const int64_t kXSignMask = 0x1L << kXSignBit;
const int64_t kWSignBit = 31;
const int64_t kWSignMask = 0x1L << kWSignBit;
const int64_t kDQuietNanBit = 51;
const int64_t kDQuietNanMask = 0x1L << kDQuietNanBit;
const int64_t kSQuietNanBit = 22;
const int64_t kSQuietNanMask = 0x1L << kSQuietNanBit;
const int64_t kByteMask = 0xffL;
const int64_t kHalfWordMask = 0xffffL;
const int64_t kWordMask = 0xffffffffL;
const uint64_t kXMaxUInt = 0xffffffffffffffffUL;
const uint64_t kWMaxUInt = 0xffffffffUL;
const int64_t kXMaxInt = 0x7fffffffffffffffL;
const int64_t kXMinInt = 0x8000000000000000L;
const int32_t kWMaxInt = 0x7fffffff;
const int32_t kWMinInt = 0x80000000;
const int kIp0Code = 16;
const int kIp1Code = 17;
const int kFramePointerRegCode = 29;
const int kLinkRegCode = 30;
const int kZeroRegCode = 31;
const int kJSSPCode = 28;
const int kSPRegInternalCode = 63;
const unsigned kRegCodeMask = 0x1f;
const unsigned kShiftAmountWRegMask = 0x1f;
const unsigned kShiftAmountXRegMask = 0x3f;
// Standard machine types defined by AAPCS64.
const unsigned kByteSize = 8;
const unsigned kByteSizeInBytes = kByteSize >> 3;
const unsigned kHalfWordSize = 16;
const unsigned kHalfWordSizeLog2 = 4;
const unsigned kHalfWordSizeInBytes = kHalfWordSize >> 3;
const unsigned kHalfWordSizeInBytesLog2 = kHalfWordSizeLog2 - 3;
const unsigned kWordSize = 32;
const unsigned kWordSizeLog2 = 5;
const unsigned kWordSizeInBytes = kWordSize >> 3;
const unsigned kWordSizeInBytesLog2 = kWordSizeLog2 - 3;
const unsigned kDoubleWordSize = 64;
const unsigned kDoubleWordSizeInBytes = kDoubleWordSize >> 3;
const unsigned kQuadWordSize = 128;
const unsigned kQuadWordSizeInBytes = kQuadWordSize >> 3;
// AArch64 floating-point specifics. These match IEEE-754.
const unsigned kDoubleMantissaBits = 52;
const unsigned kDoubleExponentBits = 11;
const unsigned kDoubleExponentBias = 1023;
const unsigned kFloatMantissaBits = 23;
const unsigned kFloatExponentBits = 8;
#define INSTRUCTION_FIELDS_LIST(V_) \
/* Register fields */ \
V_(Rd, 4, 0, Bits) /* Destination register. */ \
V_(Rn, 9, 5, Bits) /* First source register. */ \
V_(Rm, 20, 16, Bits) /* Second source register. */ \
V_(Ra, 14, 10, Bits) /* Third source register. */ \
V_(Rt, 4, 0, Bits) /* Load dest / store source. */ \
V_(Rt2, 14, 10, Bits) /* Load second dest / */ \
/* store second source. */ \
V_(Rs, 20, 16, Bits) /* Store-exclusive status */ \
V_(PrefetchMode, 4, 0, Bits) \
\
/* Common bits */ \
V_(SixtyFourBits, 31, 31, Bits) \
V_(FlagsUpdate, 29, 29, Bits) \
\
/* PC relative addressing */ \
V_(ImmPCRelHi, 23, 5, SignedBits) \
V_(ImmPCRelLo, 30, 29, Bits) \
\
/* Add/subtract/logical shift register */ \
V_(ShiftDP, 23, 22, Bits) \
V_(ImmDPShift, 15, 10, Bits) \
\
/* Add/subtract immediate */ \
V_(ImmAddSub, 21, 10, Bits) \
V_(ShiftAddSub, 23, 22, Bits) \
\
/* Add/substract extend */ \
V_(ImmExtendShift, 12, 10, Bits) \
V_(ExtendMode, 15, 13, Bits) \
\
/* Move wide */ \
V_(ImmMoveWide, 20, 5, Bits) \
V_(ShiftMoveWide, 22, 21, Bits) \
\
/* Logical immediate, bitfield and extract */ \
V_(BitN, 22, 22, Bits) \
V_(ImmRotate, 21, 16, Bits) \
V_(ImmSetBits, 15, 10, Bits) \
V_(ImmR, 21, 16, Bits) \
V_(ImmS, 15, 10, Bits) \
\
/* Test and branch immediate */ \
V_(ImmTestBranch, 18, 5, SignedBits) \
V_(ImmTestBranchBit40, 23, 19, Bits) \
V_(ImmTestBranchBit5, 31, 31, Bits) \
\
/* Conditionals */ \
V_(Condition, 15, 12, Bits) \
V_(ConditionBranch, 3, 0, Bits) \
V_(Nzcv, 3, 0, Bits) \
V_(ImmCondCmp, 20, 16, Bits) \
V_(ImmCondBranch, 23, 5, SignedBits) \
\
/* Floating point */ \
V_(FPType, 23, 22, Bits) \
V_(ImmFP, 20, 13, Bits) \
V_(FPScale, 15, 10, Bits) \
\
/* Load Store */ \
V_(ImmLS, 20, 12, SignedBits) \
V_(ImmLSUnsigned, 21, 10, Bits) \
V_(ImmLSPair, 21, 15, SignedBits) \
V_(SizeLS, 31, 30, Bits) \
V_(ImmShiftLS, 12, 12, Bits) \
\
/* Other immediates */ \
V_(ImmUncondBranch, 25, 0, SignedBits) \
V_(ImmCmpBranch, 23, 5, SignedBits) \
V_(ImmLLiteral, 23, 5, SignedBits) \
V_(ImmException, 20, 5, Bits) \
V_(ImmHint, 11, 5, Bits) \
V_(ImmBarrierDomain, 11, 10, Bits) \
V_(ImmBarrierType, 9, 8, Bits) \
\
/* System (MRS, MSR) */ \
V_(ImmSystemRegister, 19, 5, Bits) \
V_(SysO0, 19, 19, Bits) \
V_(SysOp1, 18, 16, Bits) \
V_(SysOp2, 7, 5, Bits) \
V_(CRn, 15, 12, Bits) \
V_(CRm, 11, 8, Bits)
#define SYSTEM_REGISTER_FIELDS_LIST(V_, M_) \
/* NZCV */ \
V_(Flags, 31, 28, Bits, uint32_t) \
V_(N, 31, 31, Bits, bool) \
V_(Z, 30, 30, Bits, bool) \
V_(C, 29, 29, Bits, bool) \
V_(V, 28, 28, Bits, uint32_t) \
M_(NZCV, Flags_mask) \
\
/* FPCR */ \
V_(AHP, 26, 26, Bits, bool) \
V_(DN, 25, 25, Bits, bool) \
V_(FZ, 24, 24, Bits, bool) \
V_(RMode, 23, 22, Bits, FPRounding) \
M_(FPCR, AHP_mask | DN_mask | FZ_mask | RMode_mask)
// Fields offsets.
#define DECLARE_FIELDS_OFFSETS(Name, HighBit, LowBit, unused_1, unused_2) \
const int Name##_offset = LowBit; \
const int Name##_width = HighBit - LowBit + 1; \
const uint32_t Name##_mask = ((1 << Name##_width) - 1) << LowBit;
#define DECLARE_INSTRUCTION_FIELDS_OFFSETS(Name, HighBit, LowBit, unused_1) \
DECLARE_FIELDS_OFFSETS(Name, HighBit, LowBit, unused_1, unused_2)
#define NOTHING(A, B)
INSTRUCTION_FIELDS_LIST(DECLARE_INSTRUCTION_FIELDS_OFFSETS)
SYSTEM_REGISTER_FIELDS_LIST(DECLARE_FIELDS_OFFSETS, NOTHING)
#undef NOTHING
#undef DECLARE_FIELDS_OFFSETS
#undef DECLARE_INSTRUCTION_FIELDS_OFFSETS
// ImmPCRel is a compound field (not present in INSTRUCTION_FIELDS_LIST), formed
// from ImmPCRelLo and ImmPCRelHi.
const int ImmPCRel_mask = ImmPCRelLo_mask | ImmPCRelHi_mask;
// Condition codes.
enum Condition {
eq = 0,
ne = 1,
hs = 2, cs = hs,
lo = 3, cc = lo,
mi = 4,
pl = 5,
vs = 6,
vc = 7,
hi = 8,
ls = 9,
ge = 10,
lt = 11,
gt = 12,
le = 13,
al = 14,
nv = 15 // Behaves as always/al.
};
inline Condition NegateCondition(Condition cond) {
// Conditions al and nv behave identically, as "always true". They can't be
// inverted, because there is no never condition.
DCHECK((cond != al) && (cond != nv));
return static_cast<Condition>(cond ^ 1);
}
// Commute a condition such that {a cond b == b cond' a}.
inline Condition CommuteCondition(Condition cond) {
switch (cond) {
case lo:
return hi;
case hi:
return lo;
case hs:
return ls;
case ls:
return hs;
case lt:
return gt;
case gt:
return lt;
case ge:
return le;
case le:
return ge;
case eq:
return eq;
default:
// In practice this function is only used with a condition coming from
// TokenToCondition in lithium-codegen-arm64.cc. Any other condition is
// invalid as it doesn't necessary make sense to reverse it (consider
// 'mi' for instance).
UNREACHABLE();
return nv;
}
}
enum FlagsUpdate {
SetFlags = 1,
LeaveFlags = 0
};
enum StatusFlags {
NoFlag = 0,
// Derive the flag combinations from the system register bit descriptions.
NFlag = N_mask,
ZFlag = Z_mask,
CFlag = C_mask,
VFlag = V_mask,
NZFlag = NFlag | ZFlag,
NCFlag = NFlag | CFlag,
NVFlag = NFlag | VFlag,
ZCFlag = ZFlag | CFlag,
ZVFlag = ZFlag | VFlag,
CVFlag = CFlag | VFlag,
NZCFlag = NFlag | ZFlag | CFlag,
NZVFlag = NFlag | ZFlag | VFlag,
NCVFlag = NFlag | CFlag | VFlag,
ZCVFlag = ZFlag | CFlag | VFlag,
NZCVFlag = NFlag | ZFlag | CFlag | VFlag,
// Floating-point comparison results.
FPEqualFlag = ZCFlag,
FPLessThanFlag = NFlag,
FPGreaterThanFlag = CFlag,
FPUnorderedFlag = CVFlag
};
enum Shift {
NO_SHIFT = -1,
LSL = 0x0,
LSR = 0x1,
ASR = 0x2,
ROR = 0x3
};
enum Extend {
NO_EXTEND = -1,
UXTB = 0,
UXTH = 1,
UXTW = 2,
UXTX = 3,
SXTB = 4,
SXTH = 5,
SXTW = 6,
SXTX = 7
};
enum SystemHint {
NOP = 0,
YIELD = 1,
WFE = 2,
WFI = 3,
SEV = 4,
SEVL = 5
};
enum BarrierDomain {
OuterShareable = 0,
NonShareable = 1,
InnerShareable = 2,
FullSystem = 3
};
enum BarrierType {
BarrierOther = 0,
BarrierReads = 1,
BarrierWrites = 2,
BarrierAll = 3
};
// System/special register names.
// This information is not encoded as one field but as the concatenation of
// multiple fields (Op0<0>, Op1, Crn, Crm, Op2).
enum SystemRegister {
NZCV = ((0x1 << SysO0_offset) |
(0x3 << SysOp1_offset) |
(0x4 << CRn_offset) |
(0x2 << CRm_offset) |
(0x0 << SysOp2_offset)) >> ImmSystemRegister_offset,
FPCR = ((0x1 << SysO0_offset) |
(0x3 << SysOp1_offset) |
(0x4 << CRn_offset) |
(0x4 << CRm_offset) |
(0x0 << SysOp2_offset)) >> ImmSystemRegister_offset
};
// Instruction enumerations.
//
// These are the masks that define a class of instructions, and the list of
// instructions within each class. Each enumeration has a Fixed, FMask and
// Mask value.
//
// Fixed: The fixed bits in this instruction class.
// FMask: The mask used to extract the fixed bits in the class.
// Mask: The mask used to identify the instructions within a class.
//
// The enumerations can be used like this:
//
// DCHECK(instr->Mask(PCRelAddressingFMask) == PCRelAddressingFixed);
// switch(instr->Mask(PCRelAddressingMask)) {
// case ADR: Format("adr 'Xd, 'AddrPCRelByte"); break;
// case ADRP: Format("adrp 'Xd, 'AddrPCRelPage"); break;
// default: printf("Unknown instruction\n");
// }
// Generic fields.
enum GenericInstrField {
SixtyFourBits = 0x80000000,
ThirtyTwoBits = 0x00000000,
FP32 = 0x00000000,
FP64 = 0x00400000
};
// PC relative addressing.
enum PCRelAddressingOp {
PCRelAddressingFixed = 0x10000000,
PCRelAddressingFMask = 0x1F000000,
PCRelAddressingMask = 0x9F000000,
ADR = PCRelAddressingFixed | 0x00000000,
ADRP = PCRelAddressingFixed | 0x80000000
};
// Add/sub (immediate, shifted and extended.)
const int kSFOffset = 31;
enum AddSubOp {
AddSubOpMask = 0x60000000,
AddSubSetFlagsBit = 0x20000000,
ADD = 0x00000000,
ADDS = ADD | AddSubSetFlagsBit,
SUB = 0x40000000,
SUBS = SUB | AddSubSetFlagsBit
};
#define ADD_SUB_OP_LIST(V) \
V(ADD), \
V(ADDS), \
V(SUB), \
V(SUBS)
enum AddSubImmediateOp {
AddSubImmediateFixed = 0x11000000,
AddSubImmediateFMask = 0x1F000000,
AddSubImmediateMask = 0xFF000000,
#define ADD_SUB_IMMEDIATE(A) \
A##_w_imm = AddSubImmediateFixed | A, \
A##_x_imm = AddSubImmediateFixed | A | SixtyFourBits
ADD_SUB_OP_LIST(ADD_SUB_IMMEDIATE)
#undef ADD_SUB_IMMEDIATE
};
enum AddSubShiftedOp {
AddSubShiftedFixed = 0x0B000000,
AddSubShiftedFMask = 0x1F200000,
AddSubShiftedMask = 0xFF200000,
#define ADD_SUB_SHIFTED(A) \
A##_w_shift = AddSubShiftedFixed | A, \
A##_x_shift = AddSubShiftedFixed | A | SixtyFourBits
ADD_SUB_OP_LIST(ADD_SUB_SHIFTED)
#undef ADD_SUB_SHIFTED
};
enum AddSubExtendedOp {
AddSubExtendedFixed = 0x0B200000,
AddSubExtendedFMask = 0x1F200000,
AddSubExtendedMask = 0xFFE00000,
#define ADD_SUB_EXTENDED(A) \
A##_w_ext = AddSubExtendedFixed | A, \
A##_x_ext = AddSubExtendedFixed | A | SixtyFourBits
ADD_SUB_OP_LIST(ADD_SUB_EXTENDED)
#undef ADD_SUB_EXTENDED
};
// Add/sub with carry.
enum AddSubWithCarryOp {
AddSubWithCarryFixed = 0x1A000000,
AddSubWithCarryFMask = 0x1FE00000,
AddSubWithCarryMask = 0xFFE0FC00,
ADC_w = AddSubWithCarryFixed | ADD,
ADC_x = AddSubWithCarryFixed | ADD | SixtyFourBits,
ADC = ADC_w,
ADCS_w = AddSubWithCarryFixed | ADDS,
ADCS_x = AddSubWithCarryFixed | ADDS | SixtyFourBits,
SBC_w = AddSubWithCarryFixed | SUB,
SBC_x = AddSubWithCarryFixed | SUB | SixtyFourBits,
SBC = SBC_w,
SBCS_w = AddSubWithCarryFixed | SUBS,
SBCS_x = AddSubWithCarryFixed | SUBS | SixtyFourBits
};
// Logical (immediate and shifted register).
enum LogicalOp {
LogicalOpMask = 0x60200000,
NOT = 0x00200000,
AND = 0x00000000,
BIC = AND | NOT,
ORR = 0x20000000,
ORN = ORR | NOT,
EOR = 0x40000000,
EON = EOR | NOT,
ANDS = 0x60000000,
BICS = ANDS | NOT
};
// Logical immediate.
enum LogicalImmediateOp {
LogicalImmediateFixed = 0x12000000,
LogicalImmediateFMask = 0x1F800000,
LogicalImmediateMask = 0xFF800000,
AND_w_imm = LogicalImmediateFixed | AND,
AND_x_imm = LogicalImmediateFixed | AND | SixtyFourBits,
ORR_w_imm = LogicalImmediateFixed | ORR,
ORR_x_imm = LogicalImmediateFixed | ORR | SixtyFourBits,
EOR_w_imm = LogicalImmediateFixed | EOR,
EOR_x_imm = LogicalImmediateFixed | EOR | SixtyFourBits,
ANDS_w_imm = LogicalImmediateFixed | ANDS,
ANDS_x_imm = LogicalImmediateFixed | ANDS | SixtyFourBits
};
// Logical shifted register.
enum LogicalShiftedOp {
LogicalShiftedFixed = 0x0A000000,
LogicalShiftedFMask = 0x1F000000,
LogicalShiftedMask = 0xFF200000,
AND_w = LogicalShiftedFixed | AND,
AND_x = LogicalShiftedFixed | AND | SixtyFourBits,
AND_shift = AND_w,
BIC_w = LogicalShiftedFixed | BIC,
BIC_x = LogicalShiftedFixed | BIC | SixtyFourBits,
BIC_shift = BIC_w,
ORR_w = LogicalShiftedFixed | ORR,
ORR_x = LogicalShiftedFixed | ORR | SixtyFourBits,
ORR_shift = ORR_w,
ORN_w = LogicalShiftedFixed | ORN,
ORN_x = LogicalShiftedFixed | ORN | SixtyFourBits,
ORN_shift = ORN_w,
EOR_w = LogicalShiftedFixed | EOR,
EOR_x = LogicalShiftedFixed | EOR | SixtyFourBits,
EOR_shift = EOR_w,
EON_w = LogicalShiftedFixed | EON,
EON_x = LogicalShiftedFixed | EON | SixtyFourBits,
EON_shift = EON_w,
ANDS_w = LogicalShiftedFixed | ANDS,
ANDS_x = LogicalShiftedFixed | ANDS | SixtyFourBits,
ANDS_shift = ANDS_w,
BICS_w = LogicalShiftedFixed | BICS,
BICS_x = LogicalShiftedFixed | BICS | SixtyFourBits,
BICS_shift = BICS_w
};
// Move wide immediate.
enum MoveWideImmediateOp {
MoveWideImmediateFixed = 0x12800000,
MoveWideImmediateFMask = 0x1F800000,
MoveWideImmediateMask = 0xFF800000,
MOVN = 0x00000000,
MOVZ = 0x40000000,
MOVK = 0x60000000,
MOVN_w = MoveWideImmediateFixed | MOVN,
MOVN_x = MoveWideImmediateFixed | MOVN | SixtyFourBits,
MOVZ_w = MoveWideImmediateFixed | MOVZ,
MOVZ_x = MoveWideImmediateFixed | MOVZ | SixtyFourBits,
MOVK_w = MoveWideImmediateFixed | MOVK,
MOVK_x = MoveWideImmediateFixed | MOVK | SixtyFourBits
};
// Bitfield.
const int kBitfieldNOffset = 22;
enum BitfieldOp {
BitfieldFixed = 0x13000000,
BitfieldFMask = 0x1F800000,
BitfieldMask = 0xFF800000,
SBFM_w = BitfieldFixed | 0x00000000,
SBFM_x = BitfieldFixed | 0x80000000,
SBFM = SBFM_w,
BFM_w = BitfieldFixed | 0x20000000,
BFM_x = BitfieldFixed | 0xA0000000,
BFM = BFM_w,
UBFM_w = BitfieldFixed | 0x40000000,
UBFM_x = BitfieldFixed | 0xC0000000,
UBFM = UBFM_w
// Bitfield N field.
};
// Extract.
enum ExtractOp {
ExtractFixed = 0x13800000,
ExtractFMask = 0x1F800000,
ExtractMask = 0xFFA00000,
EXTR_w = ExtractFixed | 0x00000000,
EXTR_x = ExtractFixed | 0x80000000,
EXTR = EXTR_w
};
// Unconditional branch.
enum UnconditionalBranchOp {
UnconditionalBranchFixed = 0x14000000,
UnconditionalBranchFMask = 0x7C000000,
UnconditionalBranchMask = 0xFC000000,
B = UnconditionalBranchFixed | 0x00000000,
BL = UnconditionalBranchFixed | 0x80000000
};
// Unconditional branch to register.
enum UnconditionalBranchToRegisterOp {
UnconditionalBranchToRegisterFixed = 0xD6000000,
UnconditionalBranchToRegisterFMask = 0xFE000000,
UnconditionalBranchToRegisterMask = 0xFFFFFC1F,
BR = UnconditionalBranchToRegisterFixed | 0x001F0000,
BLR = UnconditionalBranchToRegisterFixed | 0x003F0000,
RET = UnconditionalBranchToRegisterFixed | 0x005F0000
};
// Compare and branch.
enum CompareBranchOp {
CompareBranchFixed = 0x34000000,
CompareBranchFMask = 0x7E000000,
CompareBranchMask = 0xFF000000,
CBZ_w = CompareBranchFixed | 0x00000000,
CBZ_x = CompareBranchFixed | 0x80000000,
CBZ = CBZ_w,
CBNZ_w = CompareBranchFixed | 0x01000000,
CBNZ_x = CompareBranchFixed | 0x81000000,
CBNZ = CBNZ_w
};
// Test and branch.
enum TestBranchOp {
TestBranchFixed = 0x36000000,
TestBranchFMask = 0x7E000000,
TestBranchMask = 0x7F000000,
TBZ = TestBranchFixed | 0x00000000,
TBNZ = TestBranchFixed | 0x01000000
};
// Conditional branch.
enum ConditionalBranchOp {
ConditionalBranchFixed = 0x54000000,
ConditionalBranchFMask = 0xFE000000,
ConditionalBranchMask = 0xFF000010,
B_cond = ConditionalBranchFixed | 0x00000000
};
// System.
// System instruction encoding is complicated because some instructions use op
// and CR fields to encode parameters. To handle this cleanly, the system
// instructions are split into more than one enum.
enum SystemOp {
SystemFixed = 0xD5000000,
SystemFMask = 0xFFC00000
};
enum SystemSysRegOp {
SystemSysRegFixed = 0xD5100000,
SystemSysRegFMask = 0xFFD00000,
SystemSysRegMask = 0xFFF00000,
MRS = SystemSysRegFixed | 0x00200000,
MSR = SystemSysRegFixed | 0x00000000
};
enum SystemHintOp {
SystemHintFixed = 0xD503201F,
SystemHintFMask = 0xFFFFF01F,
SystemHintMask = 0xFFFFF01F,
HINT = SystemHintFixed | 0x00000000
};
// Exception.
enum ExceptionOp {
ExceptionFixed = 0xD4000000,
ExceptionFMask = 0xFF000000,
ExceptionMask = 0xFFE0001F,
HLT = ExceptionFixed | 0x00400000,
BRK = ExceptionFixed | 0x00200000,
SVC = ExceptionFixed | 0x00000001,
HVC = ExceptionFixed | 0x00000002,
SMC = ExceptionFixed | 0x00000003,
DCPS1 = ExceptionFixed | 0x00A00001,
DCPS2 = ExceptionFixed | 0x00A00002,
DCPS3 = ExceptionFixed | 0x00A00003
};
// Code used to spot hlt instructions that should not be hit.
const int kHltBadCode = 0xbad;
enum MemBarrierOp {
MemBarrierFixed = 0xD503309F,
MemBarrierFMask = 0xFFFFF09F,
MemBarrierMask = 0xFFFFF0FF,
DSB = MemBarrierFixed | 0x00000000,
DMB = MemBarrierFixed | 0x00000020,
ISB = MemBarrierFixed | 0x00000040
};
// Any load or store (including pair).
enum LoadStoreAnyOp {
LoadStoreAnyFMask = 0x0a000000,
LoadStoreAnyFixed = 0x08000000
};
// Any load pair or store pair.
enum LoadStorePairAnyOp {
LoadStorePairAnyFMask = 0x3a000000,
LoadStorePairAnyFixed = 0x28000000
};
#define LOAD_STORE_PAIR_OP_LIST(V) \
V(STP, w, 0x00000000), \
V(LDP, w, 0x00400000), \
V(LDPSW, x, 0x40400000), \
V(STP, x, 0x80000000), \
V(LDP, x, 0x80400000), \
V(STP, s, 0x04000000), \
V(LDP, s, 0x04400000), \
V(STP, d, 0x44000000), \
V(LDP, d, 0x44400000)
// Load/store pair (post, pre and offset.)
enum LoadStorePairOp {
LoadStorePairMask = 0xC4400000,
LoadStorePairLBit = 1 << 22,
#define LOAD_STORE_PAIR(A, B, C) \
A##_##B = C
LOAD_STORE_PAIR_OP_LIST(LOAD_STORE_PAIR)
#undef LOAD_STORE_PAIR
};
enum LoadStorePairPostIndexOp {
LoadStorePairPostIndexFixed = 0x28800000,
LoadStorePairPostIndexFMask = 0x3B800000,
LoadStorePairPostIndexMask = 0xFFC00000,
#define LOAD_STORE_PAIR_POST_INDEX(A, B, C) \
A##_##B##_post = LoadStorePairPostIndexFixed | A##_##B
LOAD_STORE_PAIR_OP_LIST(LOAD_STORE_PAIR_POST_INDEX)
#undef LOAD_STORE_PAIR_POST_INDEX
};
enum LoadStorePairPreIndexOp {
LoadStorePairPreIndexFixed = 0x29800000,
LoadStorePairPreIndexFMask = 0x3B800000,
LoadStorePairPreIndexMask = 0xFFC00000,
#define LOAD_STORE_PAIR_PRE_INDEX(A, B, C) \
A##_##B##_pre = LoadStorePairPreIndexFixed | A##_##B
LOAD_STORE_PAIR_OP_LIST(LOAD_STORE_PAIR_PRE_INDEX)
#undef LOAD_STORE_PAIR_PRE_INDEX
};
enum LoadStorePairOffsetOp {
LoadStorePairOffsetFixed = 0x29000000,
LoadStorePairOffsetFMask = 0x3B800000,
LoadStorePairOffsetMask = 0xFFC00000,
#define LOAD_STORE_PAIR_OFFSET(A, B, C) \
A##_##B##_off = LoadStorePairOffsetFixed | A##_##B
LOAD_STORE_PAIR_OP_LIST(LOAD_STORE_PAIR_OFFSET)
#undef LOAD_STORE_PAIR_OFFSET
};
// Load literal.
enum LoadLiteralOp {
LoadLiteralFixed = 0x18000000,
LoadLiteralFMask = 0x3B000000,
LoadLiteralMask = 0xFF000000,
LDR_w_lit = LoadLiteralFixed | 0x00000000,
LDR_x_lit = LoadLiteralFixed | 0x40000000,
LDRSW_x_lit = LoadLiteralFixed | 0x80000000,
PRFM_lit = LoadLiteralFixed | 0xC0000000,
LDR_s_lit = LoadLiteralFixed | 0x04000000,
LDR_d_lit = LoadLiteralFixed | 0x44000000
};
#define LOAD_STORE_OP_LIST(V) \
V(ST, RB, w, 0x00000000), \
V(ST, RH, w, 0x40000000), \
V(ST, R, w, 0x80000000), \
V(ST, R, x, 0xC0000000), \
V(LD, RB, w, 0x00400000), \
V(LD, RH, w, 0x40400000), \
V(LD, R, w, 0x80400000), \
V(LD, R, x, 0xC0400000), \
V(LD, RSB, x, 0x00800000), \
V(LD, RSH, x, 0x40800000), \
V(LD, RSW, x, 0x80800000), \
V(LD, RSB, w, 0x00C00000), \
V(LD, RSH, w, 0x40C00000), \
V(ST, R, s, 0x84000000), \
V(ST, R, d, 0xC4000000), \
V(LD, R, s, 0x84400000), \
V(LD, R, d, 0xC4400000)
// Load/store unscaled offset.
enum LoadStoreUnscaledOffsetOp {
LoadStoreUnscaledOffsetFixed = 0x38000000,
LoadStoreUnscaledOffsetFMask = 0x3B200C00,
LoadStoreUnscaledOffsetMask = 0xFFE00C00,
#define LOAD_STORE_UNSCALED(A, B, C, D) \
A##U##B##_##C = LoadStoreUnscaledOffsetFixed | D
LOAD_STORE_OP_LIST(LOAD_STORE_UNSCALED)
#undef LOAD_STORE_UNSCALED
};
// Load/store (post, pre, offset and unsigned.)
enum LoadStoreOp {
LoadStoreOpMask = 0xC4C00000,
#define LOAD_STORE(A, B, C, D) \
A##B##_##C = D
LOAD_STORE_OP_LIST(LOAD_STORE),
#undef LOAD_STORE
PRFM = 0xC0800000
};
// Load/store post index.
enum LoadStorePostIndex {
LoadStorePostIndexFixed = 0x38000400,
LoadStorePostIndexFMask = 0x3B200C00,
LoadStorePostIndexMask = 0xFFE00C00,
#define LOAD_STORE_POST_INDEX(A, B, C, D) \
A##B##_##C##_post = LoadStorePostIndexFixed | D
LOAD_STORE_OP_LIST(LOAD_STORE_POST_INDEX)
#undef LOAD_STORE_POST_INDEX
};
// Load/store pre index.
enum LoadStorePreIndex {
LoadStorePreIndexFixed = 0x38000C00,
LoadStorePreIndexFMask = 0x3B200C00,
LoadStorePreIndexMask = 0xFFE00C00,
#define LOAD_STORE_PRE_INDEX(A, B, C, D) \
A##B##_##C##_pre = LoadStorePreIndexFixed | D
LOAD_STORE_OP_LIST(LOAD_STORE_PRE_INDEX)
#undef LOAD_STORE_PRE_INDEX
};
// Load/store unsigned offset.
enum LoadStoreUnsignedOffset {
LoadStoreUnsignedOffsetFixed = 0x39000000,
LoadStoreUnsignedOffsetFMask = 0x3B000000,
LoadStoreUnsignedOffsetMask = 0xFFC00000,
PRFM_unsigned = LoadStoreUnsignedOffsetFixed | PRFM,
#define LOAD_STORE_UNSIGNED_OFFSET(A, B, C, D) \
A##B##_##C##_unsigned = LoadStoreUnsignedOffsetFixed | D
LOAD_STORE_OP_LIST(LOAD_STORE_UNSIGNED_OFFSET)
#undef LOAD_STORE_UNSIGNED_OFFSET
};
// Load/store register offset.
enum LoadStoreRegisterOffset {
LoadStoreRegisterOffsetFixed = 0x38200800,
LoadStoreRegisterOffsetFMask = 0x3B200C00,
LoadStoreRegisterOffsetMask = 0xFFE00C00,
PRFM_reg = LoadStoreRegisterOffsetFixed | PRFM,
#define LOAD_STORE_REGISTER_OFFSET(A, B, C, D) \
A##B##_##C##_reg = LoadStoreRegisterOffsetFixed | D
LOAD_STORE_OP_LIST(LOAD_STORE_REGISTER_OFFSET)
#undef LOAD_STORE_REGISTER_OFFSET
};
// Load/store acquire/release
enum LoadStoreAcquireReleaseOp {
LoadStoreAcquireReleaseFixed = 0x08000000,
LoadStoreAcquireReleaseFMask = 0x3F000000,
LoadStoreAcquireReleaseMask = 0xCFC08000,
STLXR_b = LoadStoreAcquireReleaseFixed | 0x00008000,
LDAXR_b = LoadStoreAcquireReleaseFixed | 0x00408000,
STLR_b = LoadStoreAcquireReleaseFixed | 0x00808000,
LDAR_b = LoadStoreAcquireReleaseFixed | 0x00C08000,
STLXR_h = LoadStoreAcquireReleaseFixed | 0x40008000,
LDAXR_h = LoadStoreAcquireReleaseFixed | 0x40408000,
STLR_h = LoadStoreAcquireReleaseFixed | 0x40808000,
LDAR_h = LoadStoreAcquireReleaseFixed | 0x40C08000,
STLXR_w = LoadStoreAcquireReleaseFixed | 0x80008000,
LDAXR_w = LoadStoreAcquireReleaseFixed | 0x80408000,
STLR_w = LoadStoreAcquireReleaseFixed | 0x80808000,
LDAR_w = LoadStoreAcquireReleaseFixed | 0x80C08000,
STLXR_x = LoadStoreAcquireReleaseFixed | 0xC0008000,
LDAXR_x = LoadStoreAcquireReleaseFixed | 0xC0408000,
STLR_x = LoadStoreAcquireReleaseFixed | 0xC0808000,
LDAR_x = LoadStoreAcquireReleaseFixed | 0xC0C08000,
};
// Conditional compare.
enum ConditionalCompareOp {
ConditionalCompareMask = 0x60000000,
CCMN = 0x20000000,
CCMP = 0x60000000
};
// Conditional compare register.
enum ConditionalCompareRegisterOp {
ConditionalCompareRegisterFixed = 0x1A400000,
ConditionalCompareRegisterFMask = 0x1FE00800,
ConditionalCompareRegisterMask = 0xFFE00C10,
CCMN_w = ConditionalCompareRegisterFixed | CCMN,
CCMN_x = ConditionalCompareRegisterFixed | SixtyFourBits | CCMN,
CCMP_w = ConditionalCompareRegisterFixed | CCMP,
CCMP_x = ConditionalCompareRegisterFixed | SixtyFourBits | CCMP
};
// Conditional compare immediate.
enum ConditionalCompareImmediateOp {
ConditionalCompareImmediateFixed = 0x1A400800,
ConditionalCompareImmediateFMask = 0x1FE00800,
ConditionalCompareImmediateMask = 0xFFE00C10,
CCMN_w_imm = ConditionalCompareImmediateFixed | CCMN,
CCMN_x_imm = ConditionalCompareImmediateFixed | SixtyFourBits | CCMN,
CCMP_w_imm = ConditionalCompareImmediateFixed | CCMP,
CCMP_x_imm = ConditionalCompareImmediateFixed | SixtyFourBits | CCMP
};
// Conditional select.
enum ConditionalSelectOp {
ConditionalSelectFixed = 0x1A800000,
ConditionalSelectFMask = 0x1FE00000,
ConditionalSelectMask = 0xFFE00C00,
CSEL_w = ConditionalSelectFixed | 0x00000000,
CSEL_x = ConditionalSelectFixed | 0x80000000,
CSEL = CSEL_w,
CSINC_w = ConditionalSelectFixed | 0x00000400,
CSINC_x = ConditionalSelectFixed | 0x80000400,
CSINC = CSINC_w,
CSINV_w = ConditionalSelectFixed | 0x40000000,
CSINV_x = ConditionalSelectFixed | 0xC0000000,
CSINV = CSINV_w,
CSNEG_w = ConditionalSelectFixed | 0x40000400,
CSNEG_x = ConditionalSelectFixed | 0xC0000400,
CSNEG = CSNEG_w
};
// Data processing 1 source.
enum DataProcessing1SourceOp {
DataProcessing1SourceFixed = 0x5AC00000,
DataProcessing1SourceFMask = 0x5FE00000,
DataProcessing1SourceMask = 0xFFFFFC00,
RBIT = DataProcessing1SourceFixed | 0x00000000,
RBIT_w = RBIT,
RBIT_x = RBIT | SixtyFourBits,
REV16 = DataProcessing1SourceFixed | 0x00000400,
REV16_w = REV16,
REV16_x = REV16 | SixtyFourBits,
REV = DataProcessing1SourceFixed | 0x00000800,
REV_w = REV,
REV32_x = REV | SixtyFourBits,
REV_x = DataProcessing1SourceFixed | SixtyFourBits | 0x00000C00,
CLZ = DataProcessing1SourceFixed | 0x00001000,
CLZ_w = CLZ,
CLZ_x = CLZ | SixtyFourBits,
CLS = DataProcessing1SourceFixed | 0x00001400,
CLS_w = CLS,
CLS_x = CLS | SixtyFourBits
};
// Data processing 2 source.
enum DataProcessing2SourceOp {
DataProcessing2SourceFixed = 0x1AC00000,
DataProcessing2SourceFMask = 0x5FE00000,
DataProcessing2SourceMask = 0xFFE0FC00,
UDIV_w = DataProcessing2SourceFixed | 0x00000800,
UDIV_x = DataProcessing2SourceFixed | 0x80000800,
UDIV = UDIV_w,
SDIV_w = DataProcessing2SourceFixed | 0x00000C00,
SDIV_x = DataProcessing2SourceFixed | 0x80000C00,
SDIV = SDIV_w,
LSLV_w = DataProcessing2SourceFixed | 0x00002000,
LSLV_x = DataProcessing2SourceFixed | 0x80002000,
LSLV = LSLV_w,
LSRV_w = DataProcessing2SourceFixed | 0x00002400,
LSRV_x = DataProcessing2SourceFixed | 0x80002400,
LSRV = LSRV_w,
ASRV_w = DataProcessing2SourceFixed | 0x00002800,
ASRV_x = DataProcessing2SourceFixed | 0x80002800,
ASRV = ASRV_w,
RORV_w = DataProcessing2SourceFixed | 0x00002C00,
RORV_x = DataProcessing2SourceFixed | 0x80002C00,
RORV = RORV_w,
CRC32B = DataProcessing2SourceFixed | 0x00004000,
CRC32H = DataProcessing2SourceFixed | 0x00004400,
CRC32W = DataProcessing2SourceFixed | 0x00004800,
CRC32X = DataProcessing2SourceFixed | SixtyFourBits | 0x00004C00,
CRC32CB = DataProcessing2SourceFixed | 0x00005000,
CRC32CH = DataProcessing2SourceFixed | 0x00005400,
CRC32CW = DataProcessing2SourceFixed | 0x00005800,
CRC32CX = DataProcessing2SourceFixed | SixtyFourBits | 0x00005C00
};
// Data processing 3 source.
enum DataProcessing3SourceOp {
DataProcessing3SourceFixed = 0x1B000000,
DataProcessing3SourceFMask = 0x1F000000,
DataProcessing3SourceMask = 0xFFE08000,
MADD_w = DataProcessing3SourceFixed | 0x00000000,
MADD_x = DataProcessing3SourceFixed | 0x80000000,
MADD = MADD_w,
MSUB_w = DataProcessing3SourceFixed | 0x00008000,
MSUB_x = DataProcessing3SourceFixed | 0x80008000,
MSUB = MSUB_w,
SMADDL_x = DataProcessing3SourceFixed | 0x80200000,
SMSUBL_x = DataProcessing3SourceFixed | 0x80208000,
SMULH_x = DataProcessing3SourceFixed | 0x80400000,
UMADDL_x = DataProcessing3SourceFixed | 0x80A00000,
UMSUBL_x = DataProcessing3SourceFixed | 0x80A08000,
UMULH_x = DataProcessing3SourceFixed | 0x80C00000
};
// Floating point compare.
enum FPCompareOp {
FPCompareFixed = 0x1E202000,
FPCompareFMask = 0x5F203C00,
FPCompareMask = 0xFFE0FC1F,
FCMP_s = FPCompareFixed | 0x00000000,
FCMP_d = FPCompareFixed | FP64 | 0x00000000,
FCMP = FCMP_s,
FCMP_s_zero = FPCompareFixed | 0x00000008,
FCMP_d_zero = FPCompareFixed | FP64 | 0x00000008,
FCMP_zero = FCMP_s_zero,
FCMPE_s = FPCompareFixed | 0x00000010,
FCMPE_d = FPCompareFixed | FP64 | 0x00000010,
FCMPE_s_zero = FPCompareFixed | 0x00000018,
FCMPE_d_zero = FPCompareFixed | FP64 | 0x00000018
};
// Floating point conditional compare.
enum FPConditionalCompareOp {
FPConditionalCompareFixed = 0x1E200400,
FPConditionalCompareFMask = 0x5F200C00,
FPConditionalCompareMask = 0xFFE00C10,
FCCMP_s = FPConditionalCompareFixed | 0x00000000,
FCCMP_d = FPConditionalCompareFixed | FP64 | 0x00000000,
FCCMP = FCCMP_s,
FCCMPE_s = FPConditionalCompareFixed | 0x00000010,
FCCMPE_d = FPConditionalCompareFixed | FP64 | 0x00000010,
FCCMPE = FCCMPE_s
};
// Floating point conditional select.
enum FPConditionalSelectOp {
FPConditionalSelectFixed = 0x1E200C00,
FPConditionalSelectFMask = 0x5F200C00,
FPConditionalSelectMask = 0xFFE00C00,
FCSEL_s = FPConditionalSelectFixed | 0x00000000,
FCSEL_d = FPConditionalSelectFixed | FP64 | 0x00000000,
FCSEL = FCSEL_s
};
// Floating point immediate.
enum FPImmediateOp {
FPImmediateFixed = 0x1E201000,
FPImmediateFMask = 0x5F201C00,
FPImmediateMask = 0xFFE01C00,
FMOV_s_imm = FPImmediateFixed | 0x00000000,
FMOV_d_imm = FPImmediateFixed | FP64 | 0x00000000
};
// Floating point data processing 1 source.
enum FPDataProcessing1SourceOp {
FPDataProcessing1SourceFixed = 0x1E204000,
FPDataProcessing1SourceFMask = 0x5F207C00,
FPDataProcessing1SourceMask = 0xFFFFFC00,
FMOV_s = FPDataProcessing1SourceFixed | 0x00000000,
FMOV_d = FPDataProcessing1SourceFixed | FP64 | 0x00000000,
FMOV = FMOV_s,
FABS_s = FPDataProcessing1SourceFixed | 0x00008000,
FABS_d = FPDataProcessing1SourceFixed | FP64 | 0x00008000,
FABS = FABS_s,
FNEG_s = FPDataProcessing1SourceFixed | 0x00010000,
FNEG_d = FPDataProcessing1SourceFixed | FP64 | 0x00010000,
FNEG = FNEG_s,
FSQRT_s = FPDataProcessing1SourceFixed | 0x00018000,
FSQRT_d = FPDataProcessing1SourceFixed | FP64 | 0x00018000,
FSQRT = FSQRT_s,
FCVT_ds = FPDataProcessing1SourceFixed | 0x00028000,
FCVT_sd = FPDataProcessing1SourceFixed | FP64 | 0x00020000,
FRINTN_s = FPDataProcessing1SourceFixed | 0x00040000,
FRINTN_d = FPDataProcessing1SourceFixed | FP64 | 0x00040000,
FRINTN = FRINTN_s,
FRINTP_s = FPDataProcessing1SourceFixed | 0x00048000,
FRINTP_d = FPDataProcessing1SourceFixed | FP64 | 0x00048000,
FRINTP = FRINTP_s,
FRINTM_s = FPDataProcessing1SourceFixed | 0x00050000,
FRINTM_d = FPDataProcessing1SourceFixed | FP64 | 0x00050000,
FRINTM = FRINTM_s,
FRINTZ_s = FPDataProcessing1SourceFixed | 0x00058000,
FRINTZ_d = FPDataProcessing1SourceFixed | FP64 | 0x00058000,
FRINTZ = FRINTZ_s,
FRINTA_s = FPDataProcessing1SourceFixed | 0x00060000,
FRINTA_d = FPDataProcessing1SourceFixed | FP64 | 0x00060000,
FRINTA = FRINTA_s,
FRINTX_s = FPDataProcessing1SourceFixed | 0x00070000,
FRINTX_d = FPDataProcessing1SourceFixed | FP64 | 0x00070000,
FRINTX = FRINTX_s,
FRINTI_s = FPDataProcessing1SourceFixed | 0x00078000,
FRINTI_d = FPDataProcessing1SourceFixed | FP64 | 0x00078000,
FRINTI = FRINTI_s
};
// Floating point data processing 2 source.
enum FPDataProcessing2SourceOp {
FPDataProcessing2SourceFixed = 0x1E200800,
FPDataProcessing2SourceFMask = 0x5F200C00,
FPDataProcessing2SourceMask = 0xFFE0FC00,
FMUL = FPDataProcessing2SourceFixed | 0x00000000,
FMUL_s = FMUL,
FMUL_d = FMUL | FP64,
FDIV = FPDataProcessing2SourceFixed | 0x00001000,
FDIV_s = FDIV,
FDIV_d = FDIV | FP64,
FADD = FPDataProcessing2SourceFixed | 0x00002000,
FADD_s = FADD,
FADD_d = FADD | FP64,
FSUB = FPDataProcessing2SourceFixed | 0x00003000,
FSUB_s = FSUB,
FSUB_d = FSUB | FP64,
FMAX = FPDataProcessing2SourceFixed | 0x00004000,
FMAX_s = FMAX,
FMAX_d = FMAX | FP64,
FMIN = FPDataProcessing2SourceFixed | 0x00005000,
FMIN_s = FMIN,
FMIN_d = FMIN | FP64,
FMAXNM = FPDataProcessing2SourceFixed | 0x00006000,
FMAXNM_s = FMAXNM,
FMAXNM_d = FMAXNM | FP64,
FMINNM = FPDataProcessing2SourceFixed | 0x00007000,
FMINNM_s = FMINNM,
FMINNM_d = FMINNM | FP64,
FNMUL = FPDataProcessing2SourceFixed | 0x00008000,
FNMUL_s = FNMUL,
FNMUL_d = FNMUL | FP64
};
// Floating point data processing 3 source.
enum FPDataProcessing3SourceOp {
FPDataProcessing3SourceFixed = 0x1F000000,
FPDataProcessing3SourceFMask = 0x5F000000,
FPDataProcessing3SourceMask = 0xFFE08000,
FMADD_s = FPDataProcessing3SourceFixed | 0x00000000,
FMSUB_s = FPDataProcessing3SourceFixed | 0x00008000,
FNMADD_s = FPDataProcessing3SourceFixed | 0x00200000,
FNMSUB_s = FPDataProcessing3SourceFixed | 0x00208000,
FMADD_d = FPDataProcessing3SourceFixed | 0x00400000,
FMSUB_d = FPDataProcessing3SourceFixed | 0x00408000,
FNMADD_d = FPDataProcessing3SourceFixed | 0x00600000,
FNMSUB_d = FPDataProcessing3SourceFixed | 0x00608000
};
// Conversion between floating point and integer.
enum FPIntegerConvertOp {
FPIntegerConvertFixed = 0x1E200000,
FPIntegerConvertFMask = 0x5F20FC00,
FPIntegerConvertMask = 0xFFFFFC00,
FCVTNS = FPIntegerConvertFixed | 0x00000000,
FCVTNS_ws = FCVTNS,
FCVTNS_xs = FCVTNS | SixtyFourBits,
FCVTNS_wd = FCVTNS | FP64,
FCVTNS_xd = FCVTNS | SixtyFourBits | FP64,
FCVTNU = FPIntegerConvertFixed | 0x00010000,
FCVTNU_ws = FCVTNU,
FCVTNU_xs = FCVTNU | SixtyFourBits,
FCVTNU_wd = FCVTNU | FP64,
FCVTNU_xd = FCVTNU | SixtyFourBits | FP64,
FCVTPS = FPIntegerConvertFixed | 0x00080000,
FCVTPS_ws = FCVTPS,
FCVTPS_xs = FCVTPS | SixtyFourBits,
FCVTPS_wd = FCVTPS | FP64,
FCVTPS_xd = FCVTPS | SixtyFourBits | FP64,
FCVTPU = FPIntegerConvertFixed | 0x00090000,
FCVTPU_ws = FCVTPU,
FCVTPU_xs = FCVTPU | SixtyFourBits,
FCVTPU_wd = FCVTPU | FP64,
FCVTPU_xd = FCVTPU | SixtyFourBits | FP64,
FCVTMS = FPIntegerConvertFixed | 0x00100000,
FCVTMS_ws = FCVTMS,
FCVTMS_xs = FCVTMS | SixtyFourBits,
FCVTMS_wd = FCVTMS | FP64,
FCVTMS_xd = FCVTMS | SixtyFourBits | FP64,
FCVTMU = FPIntegerConvertFixed | 0x00110000,
FCVTMU_ws = FCVTMU,
FCVTMU_xs = FCVTMU | SixtyFourBits,
FCVTMU_wd = FCVTMU | FP64,
FCVTMU_xd = FCVTMU | SixtyFourBits | FP64,
FCVTZS = FPIntegerConvertFixed | 0x00180000,
FCVTZS_ws = FCVTZS,
FCVTZS_xs = FCVTZS | SixtyFourBits,
FCVTZS_wd = FCVTZS | FP64,
FCVTZS_xd = FCVTZS | SixtyFourBits | FP64,
FCVTZU = FPIntegerConvertFixed | 0x00190000,
FCVTZU_ws = FCVTZU,
FCVTZU_xs = FCVTZU | SixtyFourBits,
FCVTZU_wd = FCVTZU | FP64,
FCVTZU_xd = FCVTZU | SixtyFourBits | FP64,
SCVTF = FPIntegerConvertFixed | 0x00020000,
SCVTF_sw = SCVTF,
SCVTF_sx = SCVTF | SixtyFourBits,
SCVTF_dw = SCVTF | FP64,
SCVTF_dx = SCVTF | SixtyFourBits | FP64,
UCVTF = FPIntegerConvertFixed | 0x00030000,
UCVTF_sw = UCVTF,
UCVTF_sx = UCVTF | SixtyFourBits,
UCVTF_dw = UCVTF | FP64,
UCVTF_dx = UCVTF | SixtyFourBits | FP64,
FCVTAS = FPIntegerConvertFixed | 0x00040000,
FCVTAS_ws = FCVTAS,
FCVTAS_xs = FCVTAS | SixtyFourBits,
FCVTAS_wd = FCVTAS | FP64,
FCVTAS_xd = FCVTAS | SixtyFourBits | FP64,
FCVTAU = FPIntegerConvertFixed | 0x00050000,
FCVTAU_ws = FCVTAU,
FCVTAU_xs = FCVTAU | SixtyFourBits,
FCVTAU_wd = FCVTAU | FP64,
FCVTAU_xd = FCVTAU | SixtyFourBits | FP64,
FMOV_ws = FPIntegerConvertFixed | 0x00060000,
FMOV_sw = FPIntegerConvertFixed | 0x00070000,
FMOV_xd = FMOV_ws | SixtyFourBits | FP64,
FMOV_dx = FMOV_sw | SixtyFourBits | FP64
};
// Conversion between fixed point and floating point.
enum FPFixedPointConvertOp {
FPFixedPointConvertFixed = 0x1E000000,
FPFixedPointConvertFMask = 0x5F200000,
FPFixedPointConvertMask = 0xFFFF0000,
FCVTZS_fixed = FPFixedPointConvertFixed | 0x00180000,
FCVTZS_ws_fixed = FCVTZS_fixed,
FCVTZS_xs_fixed = FCVTZS_fixed | SixtyFourBits,
FCVTZS_wd_fixed = FCVTZS_fixed | FP64,
FCVTZS_xd_fixed = FCVTZS_fixed | SixtyFourBits | FP64,
FCVTZU_fixed = FPFixedPointConvertFixed | 0x00190000,
FCVTZU_ws_fixed = FCVTZU_fixed,
FCVTZU_xs_fixed = FCVTZU_fixed | SixtyFourBits,
FCVTZU_wd_fixed = FCVTZU_fixed | FP64,
FCVTZU_xd_fixed = FCVTZU_fixed | SixtyFourBits | FP64,
SCVTF_fixed = FPFixedPointConvertFixed | 0x00020000,
SCVTF_sw_fixed = SCVTF_fixed,
SCVTF_sx_fixed = SCVTF_fixed | SixtyFourBits,
SCVTF_dw_fixed = SCVTF_fixed | FP64,
SCVTF_dx_fixed = SCVTF_fixed | SixtyFourBits | FP64,
UCVTF_fixed = FPFixedPointConvertFixed | 0x00030000,
UCVTF_sw_fixed = UCVTF_fixed,
UCVTF_sx_fixed = UCVTF_fixed | SixtyFourBits,
UCVTF_dw_fixed = UCVTF_fixed | FP64,
UCVTF_dx_fixed = UCVTF_fixed | SixtyFourBits | FP64
};
// Unimplemented and unallocated instructions. These are defined to make fixed
// bit assertion easier.
enum UnimplementedOp {
UnimplementedFixed = 0x00000000,
UnimplementedFMask = 0x00000000
};
enum UnallocatedOp {
UnallocatedFixed = 0x00000000,
UnallocatedFMask = 0x00000000
};
} // namespace internal
} // namespace v8
#endif // V8_ARM64_CONSTANTS_ARM64_H_