/* AArch64 assembler/disassembler support.
- Copyright (C) 2009-2017 Free Software Foundation, Inc.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GNU Binutils.
#define AARCH64_FEATURE_RCPC 0x20000000 /* RCPC instructions. */
#define AARCH64_FEATURE_COMPNUM 0x40000000 /* Complex # instructions. */
#define AARCH64_FEATURE_DOTPROD 0x080000000 /* Dot Product instructions. */
+#define AARCH64_FEATURE_F16_FML 0x1000000000ULL /* v8.2 FP16FML ins. */
/* Architectures are the sum of the base and extensions. */
#define AARCH64_ARCH_V8 AARCH64_FEATURE (AARCH64_FEATURE_V8, \
| AARCH64_FEATURE_RCPC \
| AARCH64_FEATURE_COMPNUM)
#define AARCH64_ARCH_V8_4 AARCH64_FEATURE (AARCH64_ARCH_V8_3, \
- AARCH64_FEATURE_V8_4)
+ AARCH64_FEATURE_V8_4 \
+ | AARCH64_FEATURE_DOTPROD \
+ | AARCH64_FEATURE_F16_FML)
#define AARCH64_ARCH_NONE AARCH64_FEATURE (0, 0)
#define AARCH64_ANY AARCH64_FEATURE (-1, 0) /* Any basic core. */
AARCH64_OPND_Ed, /* AdvSIMD Vector Element Vd. */
AARCH64_OPND_En, /* AdvSIMD Vector Element Vn. */
AARCH64_OPND_Em, /* AdvSIMD Vector Element Vm. */
+ AARCH64_OPND_Em16, /* AdvSIMD Vector Element Vm restricted to V0 - V15 when
+ qualifier is S_H. */
AARCH64_OPND_LVn, /* AdvSIMD Vector register list used in e.g. TBL. */
AARCH64_OPND_LVt, /* AdvSIMD Vector register list used in ld/st. */
AARCH64_OPND_LVt_AL, /* AdvSIMD Vector register list for loading single
AARCH64_OPND_SVE_ADDR_RI_U6x2, /* SVE [<Xn|SP>, #<uimm6>*2]. */
AARCH64_OPND_SVE_ADDR_RI_U6x4, /* SVE [<Xn|SP>, #<uimm6>*4]. */
AARCH64_OPND_SVE_ADDR_RI_U6x8, /* SVE [<Xn|SP>, #<uimm6>*8]. */
+ AARCH64_OPND_SVE_ADDR_R, /* SVE [<Xn|SP>]. */
AARCH64_OPND_SVE_ADDR_RR, /* SVE [<Xn|SP>, <Xm|XZR>]. */
AARCH64_OPND_SVE_ADDR_RR_LSL1, /* SVE [<Xn|SP>, <Xm|XZR>, LSL #1]. */
AARCH64_OPND_SVE_ADDR_RR_LSL2, /* SVE [<Xn|SP>, <Xm|XZR>, LSL #2]. */
AARCH64_OPND_QLF_S_S,
AARCH64_OPND_QLF_S_D,
AARCH64_OPND_QLF_S_Q,
+ /* This type qualifier has a special meaning in that it means that 4 x 1 byte
+ are selected by the instruction. Other than that it has no difference
+ with AARCH64_OPND_QLF_S_B in encoding. It is here purely for syntactical
+ reasons and is an exception from normal AArch64 disassembly scheme. */
+ AARCH64_OPND_QLF_S_4B,
/* Qualifying an operand which is a SIMD vector register or a SIMD vector
register list; indicating register shape.
a use is only for the ease of operand encoding/decoding and qualifier
sequence matching; such a use should not be applied widely; use the value
constraint qualifiers for immediate operands wherever possible. */
+ AARCH64_OPND_QLF_V_4B,
AARCH64_OPND_QLF_V_8B,
AARCH64_OPND_QLF_V_16B,
AARCH64_OPND_QLF_V_2H,
aarch64_opnd_qualifier_seq_t qualifiers_list[AARCH64_MAX_QLF_SEQ_NUM];
/* Flags providing information about this instruction */
- uint32_t flags;
+ uint64_t flags;
+
+ /* Extra constraints on the instruction that the verifier checks. */
+ uint32_t constraints;
/* If nonzero, this operand and operand 0 are both registers and
are required to have the same register number. */
#define F_LSE_SZ (1 << 27)
/* Require an exact qualifier match, even for NIL qualifiers. */
#define F_STRICT (1ULL << 28)
-/* Next bit is 29. */
+/* This system instruction is used to read system registers. */
+#define F_SYS_READ (1ULL << 29)
+/* This system instruction is used to write system registers. */
+#define F_SYS_WRITE (1ULL << 30)
+/* This instruction has an extra constraint on it that imposes a requirement on
+ subsequent instructions. */
+#define F_SCAN (1ULL << 31)
+/* Next bit is 32. */
+
+/* Instruction constraints. */
+/* This instruction has a predication constraint on the instruction at PC+4. */
+#define C_SCAN_MOVPRFX (1U << 0)
+/* This instruction's operation width is determined by the operand with the
+ largest element size. */
+#define C_MAX_ELEM (1U << 1)
+/* Next bit is 2. */
static inline bfd_boolean
alias_opcode_p (const aarch64_opcode *opcode)
unsigned preind : 1; /* Pre-indexed. */
unsigned postind : 1; /* Post-indexed. */
} addr;
+
+ struct
+ {
+ /* The encoding of the system register. */
+ aarch64_insn value;
+
+ /* The system register flags. */
+ uint32_t flags;
+ } sysreg;
+
const aarch64_cond *cond;
- /* The encoding of the system register. */
- aarch64_insn sysreg;
/* The encoding of the PSTATE field. */
aarch64_insn pstatefield;
const aarch64_sys_ins_reg *sysins_op;
int index;
const char *error;
int data[3]; /* Some data for extra information. */
+ bfd_boolean non_fatal;
};
typedef struct aarch64_operand_error aarch64_operand_error;
/* Generate the string representation of an operand. */
extern void
aarch64_print_operand (char *, size_t, bfd_vma, const aarch64_opcode *,
- const aarch64_opnd_info *, int, int *, bfd_vma *);
+ const aarch64_opnd_info *, int, int *, bfd_vma *,
+ char **);
/* Miscellaneous interface. */
aarch64_zero_register_p (const aarch64_opnd_info *);
extern int
-aarch64_decode_insn (aarch64_insn, aarch64_inst *, bfd_boolean);
+aarch64_decode_insn (aarch64_insn, aarch64_inst *, bfd_boolean,
+ aarch64_operand_error *errors);
/* Given an operand qualifier, return the expected data element size
of a qualified operand. */
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