/* aarch64-opc.c -- AArch64 opcode support.
- Copyright (C) 2009-2018 Free Software Foundation, Inc.
+ Copyright (C) 2009-2020 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of the GNU opcodes library.
{ 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */
{ 5, 14 }, /* imm14: in test bit and branch instructions. */
{ 5, 16 }, /* imm16: in exception instructions. */
+ { 0, 16 }, /* imm16_2: in udf instruction. */
{ 0, 26 }, /* imm26: in unconditional branch instructions. */
{ 10, 6 }, /* imms: in bitfield and logical immediate instructions. */
{ 16, 6 }, /* immr: in bitfield and logical immediate instructions. */
{ 0, 5 }, /* SVE_Zt: SVE vector register, bits [4,0]. */
{ 5, 1 }, /* SVE_i1: single-bit immediate. */
{ 22, 1 }, /* SVE_i3h: high bit of 3-bit immediate. */
+ { 11, 1 }, /* SVE_i3l: low bit of 3-bit immediate. */
+ { 19, 2 }, /* SVE_i3h2: two high bits of 3bit immediate, bits [20,19]. */
+ { 20, 1 }, /* SVE_i2h: high bit of 2bit immediate, bits. */
{ 16, 3 }, /* SVE_imm3: 3-bit immediate field. */
{ 16, 4 }, /* SVE_imm4: 4-bit immediate field. */
{ 5, 5 }, /* SVE_imm5: 5-bit immediate field. */
{ 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */
{ 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */
{ 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */
+ { 10, 1 }, /* SVE_rot3: 1-bit rotation amount at bit 10. */
{ 22, 1 }, /* SVE_sz: 1-bit element size select. */
+ { 17, 2 }, /* SVE_size: 2-bit element size, bits [18,17]. */
+ { 30, 1 }, /* SVE_sz2: 1-bit element size select. */
{ 16, 4 }, /* SVE_tsz: triangular size select. */
{ 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */
{ 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */
{ 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */
{ 12, 1 }, /* rotate3: FCADD immediate rotate. */
{ 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */
+ { 22, 1 }, /* sz: 1-bit element size select. */
};
enum aarch64_operand_class
assert (width < 32);
if (width < sizeof (value) * 8)
{
- int64_t lim = (int64_t)1 << (width - 1);
+ int64_t lim = (uint64_t) 1 << (width - 1);
if (value >= -lim && value < lim)
return 1;
}
assert (width < 32);
if (width < sizeof (value) * 8)
{
- int64_t lim = (int64_t)1 << width;
+ int64_t lim = (uint64_t) 1 << width;
if (value >= 0 && value < lim)
return 1;
}
{8, 1, 0x3, "d", OQK_OPD_VARIANT},
{16, 1, 0x4, "q", OQK_OPD_VARIANT},
{4, 1, 0x0, "4b", OQK_OPD_VARIANT},
+ {4, 1, 0x0, "2h", OQK_OPD_VARIANT},
{1, 4, 0x0, "4b", OQK_OPD_VARIANT},
{1, 8, 0x0, "8b", OQK_OPD_VARIANT},
amount will be returned in *SHIFT_AMOUNT. */
bfd_boolean
-aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
+aarch64_wide_constant_p (uint64_t value, int is32, unsigned int *shift_amount)
{
int amount;
/* Allow all zeros or all ones in top 32-bits, so that
32-bit constant expressions like ~0x80000000 are
permitted. */
- uint64_t ext = value;
- if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
+ if (value >> 32 != 0 && value >> 32 != 0xffffffff)
/* Immediate out of range. */
return FALSE;
- value &= (int64_t) 0xffffffff;
+ value &= 0xffffffff;
}
/* first, try movz then movn */
amount = -1;
- if ((value & ((int64_t) 0xffff << 0)) == value)
+ if ((value & ((uint64_t) 0xffff << 0)) == value)
amount = 0;
- else if ((value & ((int64_t) 0xffff << 16)) == value)
+ else if ((value & ((uint64_t) 0xffff << 16)) == value)
amount = 16;
- else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
+ else if (!is32 && (value & ((uint64_t) 0xffff << 32)) == value)
amount = 32;
- else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
+ else if (!is32 && (value & ((uint64_t) 0xffff << 48)) == value)
amount = 48;
if (amount == -1)
{
case AARCH64_OPND_SVE_Zm3_INDEX:
case AARCH64_OPND_SVE_Zm3_22_INDEX:
+ case AARCH64_OPND_SVE_Zm3_11_INDEX:
+ case AARCH64_OPND_SVE_Zm4_11_INDEX:
case AARCH64_OPND_SVE_Zm4_INDEX:
size = get_operand_fields_width (get_operand_from_code (type));
shift = get_operand_specific_data (&aarch64_operands[type]);
: _("z0-z7 expected"));
return 0;
}
- mask = (1 << (size - shift)) - 1;
+ mask = (1u << (size - shift)) - 1;
if (!value_in_range_p (opnd->reglane.index, 0, mask))
{
set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask);
break;
case ldst_imm9:
case ldstpair_indexed:
- case ldstgv_indexed:
case asisdlsep:
case asisdlsop:
if (opnd->addr.writeback == 0)
break;
case AARCH64_OPND_SVE_ADDR_RI_S4x16:
+ case AARCH64_OPND_SVE_ADDR_RI_S4x32:
min_value = -8;
max_value = 7;
goto sve_imm_offset;
+ case AARCH64_OPND_SVE_ADDR_ZX:
+ /* Everything is already ensured by parse_operands or
+ aarch64_ext_sve_addr_rr_lsl (because this is a very specific
+ argument type). */
+ assert (opnd->addr.offset.is_reg);
+ assert (opnd->addr.preind);
+ assert ((aarch64_operands[type].flags & OPD_F_NO_ZR) == 0);
+ assert (opnd->shifter.kind == AARCH64_MOD_LSL);
+ assert (opnd->shifter.operator_present == 0);
+ break;
+
case AARCH64_OPND_SVE_ADDR_R:
case AARCH64_OPND_SVE_ADDR_RR:
case AARCH64_OPND_SVE_ADDR_RR_LSL1:
case AARCH64_OPND_NZCV:
case AARCH64_OPND_CCMP_IMM:
case AARCH64_OPND_EXCEPTION:
+ case AARCH64_OPND_UNDEFINED:
+ case AARCH64_OPND_TME_UIMM16:
case AARCH64_OPND_UIMM4:
case AARCH64_OPND_UIMM4_ADDG:
case AARCH64_OPND_UIMM7:
if (!value_fit_unsigned_field_p (opnd->imm.value, size))
{
set_imm_out_of_range_error (mismatch_detail, idx, 0,
- (1 << size) - 1);
+ (1u << size) - 1);
return 0;
}
break;
case AARCH64_OPND_IMM_ROT3:
case AARCH64_OPND_SVE_IMM_ROT1:
+ case AARCH64_OPND_SVE_IMM_ROT3:
if (opnd->imm.value != 90 && opnd->imm.value != 270)
{
set_other_error (mismatch_detail, idx,
case AARCH64_OPND_SVE_SHLIMM_PRED:
case AARCH64_OPND_SVE_SHLIMM_UNPRED:
+ case AARCH64_OPND_SVE_SHLIMM_UNPRED_22:
size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1))
{
case AARCH64_OPND_SVE_SHRIMM_PRED:
case AARCH64_OPND_SVE_SHRIMM_UNPRED:
- size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
+ case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
+ num = (type == AARCH64_OPND_SVE_SHRIMM_UNPRED_22) ? 2 : 1;
+ size = aarch64_get_qualifier_esize (opnds[idx - num].qualifier);
if (!value_in_range_p (opnd->imm.value, 1, 8 * size))
{
- set_imm_out_of_range_error (mismatch_detail, idx, 1, 8 * size);
+ set_imm_out_of_range_error (mismatch_detail, idx, 1, 8*size);
return 0;
}
break;
if (opnd->addr.writeback)
{
if (opnd->addr.preind)
- snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
+ {
+ if (opnd->type == AARCH64_OPND_ADDR_SIMM10 && !opnd->addr.offset.imm)
+ snprintf (buf, size, "[%s]!", base);
+ else
+ snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
+ }
else
snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm);
}
case AARCH64_OPND_Rd_SP:
case AARCH64_OPND_Rn_SP:
+ case AARCH64_OPND_Rt_SP:
case AARCH64_OPND_SVE_Rn_SP:
case AARCH64_OPND_Rm_SP:
assert (opnd->qualifier == AARCH64_OPND_QLF_W
case AARCH64_OPND_SVE_Zm3_INDEX:
case AARCH64_OPND_SVE_Zm3_22_INDEX:
+ case AARCH64_OPND_SVE_Zm3_11_INDEX:
+ case AARCH64_OPND_SVE_Zm4_11_INDEX:
case AARCH64_OPND_SVE_Zm4_INDEX:
case AARCH64_OPND_SVE_Zn_INDEX:
snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno,
case AARCH64_OPND_IMM0:
case AARCH64_OPND_IMMR:
case AARCH64_OPND_IMMS:
+ case AARCH64_OPND_UNDEFINED:
case AARCH64_OPND_FBITS:
+ case AARCH64_OPND_TME_UIMM16:
case AARCH64_OPND_SIMM5:
case AARCH64_OPND_SVE_SHLIMM_PRED:
case AARCH64_OPND_SVE_SHLIMM_UNPRED:
+ case AARCH64_OPND_SVE_SHLIMM_UNPRED_22:
case AARCH64_OPND_SVE_SHRIMM_PRED:
case AARCH64_OPND_SVE_SHRIMM_UNPRED:
+ case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
case AARCH64_OPND_SVE_SIMM5:
case AARCH64_OPND_SVE_SIMM5B:
case AARCH64_OPND_SVE_SIMM6:
case AARCH64_OPND_IMM_ROT3:
case AARCH64_OPND_SVE_IMM_ROT1:
case AARCH64_OPND_SVE_IMM_ROT2:
+ case AARCH64_OPND_SVE_IMM_ROT3:
snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
break;
snprintf (buf, size, "[%s]", name);
break;
- case AARCH64_OPND_ADDR_SIMPLE_2:
- name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
- snprintf (buf, size, "[%s]!", name);
- break;
-
case AARCH64_OPND_ADDR_REGOFF:
case AARCH64_OPND_SVE_ADDR_R:
case AARCH64_OPND_SVE_ADDR_RR:
get_offset_int_reg_name (opnd));
break;
+ case AARCH64_OPND_SVE_ADDR_ZX:
+ print_register_offset_address
+ (buf, size, opnd,
+ get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
+ get_64bit_int_reg_name (opnd->addr.offset.regno, 0));
+ break;
+
case AARCH64_OPND_SVE_ADDR_RZ:
case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
case AARCH64_OPND_ADDR_SIMM13:
case AARCH64_OPND_ADDR_OFFSET:
case AARCH64_OPND_SVE_ADDR_RI_S4x16:
+ case AARCH64_OPND_SVE_ADDR_RI_S4x32:
case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
break;
case AARCH64_OPND_BARRIER_PSB:
+ snprintf (buf, size, "csync");
+ break;
+
case AARCH64_OPND_BTI_TARGET:
if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0)
snprintf (buf, size, "%s", opnd->hint_option->name);
{ "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */
{ "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */
{ "tco", CPENC(3,3,C4,C2,7), F_ARCHEXT },
- { "tfsre0_el1", CPENC(3,0,C6,C6,1), F_ARCHEXT },
- { "tfsr_el1", CPENC(3,0,C6,C5,0), F_ARCHEXT },
- { "tfsr_el2", CPENC(3,4,C6,C5,0), F_ARCHEXT },
- { "tfsr_el3", CPENC(3,6,C6,C6,0), F_ARCHEXT },
- { "tfsr_el12", CPENC(3,5,C6,C6,0), F_ARCHEXT },
+ { "tfsre0_el1", CPENC(3,0,C5,C6,1), F_ARCHEXT },
+ { "tfsr_el1", CPENC(3,0,C5,C6,0), F_ARCHEXT },
+ { "tfsr_el2", CPENC(3,4,C5,C6,0), F_ARCHEXT },
+ { "tfsr_el3", CPENC(3,6,C5,C6,0), F_ARCHEXT },
+ { "tfsr_el12", CPENC(3,5,C5,C6,0), F_ARCHEXT },
{ "rgsr_el1", CPENC(3,0,C1,C0,5), F_ARCHEXT },
{ "gcr_el1", CPENC(3,0,C1,C0,6), F_ARCHEXT },
+ { "gmid_el1", CPENC(3,1,C0,C0,4), F_ARCHEXT | F_REG_READ }, /* RO */
{ "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
{ "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */
{ "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
/* System Registers in ARMv8.5-A with AARCH64_FEATURE_MEMTAG. */
if ((reg->value == CPENC (3, 3, C4, C2, 7)
- || reg->value == CPENC (3, 0, C6, C6, 1)
- || reg->value == CPENC (3, 0, C6, C5, 0)
- || reg->value == CPENC (3, 4, C6, C5, 0)
- || reg->value == CPENC (3, 6, C6, C6, 0)
- || reg->value == CPENC (3, 5, C6, C6, 0)
+ || reg->value == CPENC (3, 0, C5, C6, 1)
+ || reg->value == CPENC (3, 0, C5, C6, 0)
+ || reg->value == CPENC (3, 4, C5, C6, 0)
+ || reg->value == CPENC (3, 6, C5, C6, 0)
+ || reg->value == CPENC (3, 5, C5, C6, 0)
|| reg->value == CPENC (3, 0, C1, C0, 5)
- || reg->value == CPENC (3, 0, C1, C0, 6))
+ || reg->value == CPENC (3, 0, C1, C0, 6)
+ || reg->value == CPENC (3, 1, C0, C0, 4))
&& !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)))
return FALSE;
return ERR_OK;
}
+/* Verifier for vector by element 3 operands functions where the
+ conditions `if sz:L == 11 then UNDEFINED` holds. */
+
+static enum err_type
+verify_elem_sd (const struct aarch64_inst *inst, const aarch64_insn insn,
+ bfd_vma pc ATTRIBUTE_UNUSED, bfd_boolean encoding,
+ aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
+ aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
+{
+ const aarch64_insn undef_pattern = 0x3;
+ aarch64_insn value;
+
+ assert (inst->opcode);
+ assert (inst->opcode->operands[2] == AARCH64_OPND_Em);
+ value = encoding ? inst->value : insn;
+ assert (value);
+
+ if (undef_pattern == extract_fields (value, 0, 2, FLD_sz, FLD_L))
+ return ERR_UND;
+
+ return ERR_OK;
+}
+
/* Initialize an instruction sequence insn_sequence with the instruction INST.
If INST is NULL the given insn_sequence is cleared and the sequence is left
uninitialized. */
{
/* Check to see if the MOVPRFX SVE instruction is followed by an SVE
instruction for better error messages. */
- if (!opcode->avariant || !(*opcode->avariant & AARCH64_FEATURE_SVE))
+ if (!opcode->avariant
+ || !(*opcode->avariant &
+ (AARCH64_FEATURE_SVE | AARCH64_FEATURE_SVE2)))
{
mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
mismatch_detail->error = _("SVE instruction expected after "
case AARCH64_OPND_Vm:
case AARCH64_OPND_Sn:
case AARCH64_OPND_Sm:
- case AARCH64_OPND_Rn:
- case AARCH64_OPND_Rm:
- case AARCH64_OPND_Rn_SP:
- case AARCH64_OPND_Rm_SP:
if (inst_op.reg.regno == blk_dest.reg.regno)
{
num_op_used++;
}
}
-done:
+ done:
/* Add the new instruction to the sequence. */
memcpy (insn_sequence->current_insns + insn_sequence->next_insn++,
inst, sizeof (aarch64_inst));