unsigned isvec : 1; /* Is a single, double or quad VFP/Neon reg. */
unsigned isquad : 1; /* Operand is SIMD quad register. */
unsigned issingle : 1; /* Operand is VFP single-precision register. */
+ unsigned iszr : 1; /* Operand is ZR register. */
unsigned hasreloc : 1; /* Operand has relocation suffix. */
unsigned writeback : 1; /* Operand has trailing ! */
unsigned preind : 1; /* Preindexed address. */
REG_TYPE_MMXWCG,
REG_TYPE_XSCALE,
REG_TYPE_RNB,
+ REG_TYPE_ZR
};
/* Structure for a hash table entry for a register.
#define BAD_MVE_SRCDEST _("Warning: 32-bit element size and same destination "\
"and source operands makes instruction UNPREDICTABLE")
#define BAD_EL_TYPE _("bad element type for instruction")
+#define MVE_BAD_QREG _("MVE vector register Q[0..7] expected")
static struct hash_control * arm_ops_hsh;
static struct hash_control * arm_cond_hsh;
OP_RNQ, /* Neon quad precision register */
OP_RNQMQ, /* Neon quad or MVE vector register. */
OP_RVSD, /* VFP single or double precision register */
+ OP_RVSD_COND, /* VFP single, double precision register or condition code. */
OP_RVSDMQ, /* VFP single, double precision or MVE vector register. */
OP_RNSD, /* Neon single or double precision register */
OP_RNDQ, /* Neon double or quad precision register */
OP_RNSDQMQR, /* Neon single, double or quad register, MVE vector register or
GPR (no SP/SP) */
OP_RMQ, /* MVE vector register. */
+ OP_RMQRZ, /* MVE vector or ARM register including ZR. */
/* New operands for Armv8.1-M Mainline. */
OP_LR, /* ARM LR register */
OP_RNDQ_I0, /* Neon D or Q reg, or immediate zero. */
OP_RVSD_I0, /* VFP S or D reg, or immediate zero. */
OP_RSVD_FI0, /* VFP S or D reg, or floating point immediate zero. */
+ OP_RSVDMQ_FI0, /* VFP S, D, MVE vector register or floating point immediate
+ zero. */
OP_RR_RNSC, /* ARM reg or Neon scalar. */
OP_RNSD_RNSC, /* Neon S or D reg, or Neon scalar. */
OP_RNSDQ_RNSC, /* Vector S, D or Q reg, or Neon scalar. */
OP_oROR, /* ROR 0/8/16/24 */
OP_oBARRIER_I15, /* Option argument for a barrier instruction. */
+ OP_oRMQRZ, /* optional MVE vector or ARM register including ZR. */
+
/* Some pre-defined mixed (ARM/THUMB) operands. */
OP_RR_npcsp = MIX_ARM_THUMB_OPERANDS (OP_RR, OP_RRnpcsp),
OP_RRnpc_npcsp = MIX_ARM_THUMB_OPERANDS (OP_RRnpc, OP_RRnpcsp),
inst.operands[i].isvec = (rtype == REG_TYPE_VFS \
|| rtype == REG_TYPE_VFD \
|| rtype == REG_TYPE_NQ); \
+ inst.operands[i].iszr = (rtype == REG_TYPE_ZR); \
} \
while (0)
inst.operands[i].isvec = (rtype == REG_TYPE_VFS \
|| rtype == REG_TYPE_VFD \
|| rtype == REG_TYPE_NQ); \
+ inst.operands[i].iszr = (rtype == REG_TYPE_ZR); \
} \
while (0)
break;
try_rvsd:
case OP_RVSD: po_reg_or_fail (REG_TYPE_VFSD); break;
+ case OP_RVSD_COND:
+ po_reg_or_goto (REG_TYPE_VFSD, try_cond);
+ break;
case OP_oRNSDQ:
case OP_RNSDQ: po_reg_or_fail (REG_TYPE_NSDQ); break;
case OP_RNSDQMQR:
po_reg_or_goto (REG_TYPE_VFSD, try_imm0);
break;
+ case OP_RSVDMQ_FI0:
+ po_reg_or_goto (REG_TYPE_MQ, try_rsvd_fi0);
+ break;
+ try_rsvd_fi0:
case OP_RSVD_FI0:
{
po_reg_or_goto (REG_TYPE_VFSD, try_ifimm0);
case OP_CPSF: val = parse_cps_flags (&str); break;
case OP_ENDI: val = parse_endian_specifier (&str); break;
case OP_oROR: val = parse_ror (&str); break;
+ try_cond:
case OP_COND: val = parse_cond (&str); break;
case OP_oBARRIER_I15:
po_barrier_or_imm (str); break;
po_misc_or_fail (parse_shift (&str, i, SHIFT_LSL_OR_ASR_IMMEDIATE));
break;
+ case OP_RMQRZ:
+ case OP_oRMQRZ:
+ po_reg_or_goto (REG_TYPE_MQ, try_rr_zr);
+ break;
+ try_rr_zr:
+ po_reg_or_goto (REG_TYPE_RN, ZR);
+ break;
+ ZR:
+ po_reg_or_fail (REG_TYPE_ZR);
+ break;
+
default:
as_fatal (_("unhandled operand code %d"), op_parse_code);
}
inst.error = BAD_PC;
break;
+ case OP_RVSD_COND:
case OP_VLDR:
if (inst.operands[i].isreg)
break;
/* fall through. */
+
case OP_CPSF:
case OP_ENDI:
case OP_oROR:
inst.error = _("operand must be LR register");
break;
+ case OP_RMQRZ:
+ case OP_oRMQRZ:
+ if (!inst.operands[i].iszr && inst.operands[i].reg == REG_PC)
+ inst.error = BAD_PC;
+ break;
+
case OP_RRe:
if (inst.operands[i].isreg
&& (inst.operands[i].reg & 0x00000001) != 0)
inst.instruction |= cond << 4;
}
-static void
-do_mve_vpt (void)
-{
- /* We are dealing with a vector predicated block. */
- set_pred_insn_type (VPT_INSN);
- now_pred.cc = 0;
- now_pred.mask = ((inst.instruction & 0x00400000) >> 19)
- | ((inst.instruction & 0xe000) >> 13);
- now_pred.warn_deprecated = FALSE;
- now_pred.type = VECTOR_PRED;
-}
-
/* Helper function used for both push/pop and ldm/stm. */
static void
encode_thumb2_multi (bfd_boolean do_io, int base, unsigned mask,
#define NEON_SHAPE_DEF \
X(4, (R, R, S, S), QUAD), \
X(4, (S, S, R, R), QUAD), \
+ X(3, (I, Q, Q), QUAD), \
+ X(3, (I, Q, R), QUAD), \
X(3, (R, Q, Q), QUAD), \
X(3, (D, D, D), DOUBLE), \
X(3, (Q, Q, Q), QUAD), \
}
+/* Turn a size (8, 16, 32, 64) into the respective bit number minus 3
+ (0, 1, 2, 3). */
+
+static unsigned
+neon_logbits (unsigned x)
+{
+ return ffs (x) - 4;
+}
+
+#define LOW4(R) ((R) & 0xf)
+#define HI1(R) (((R) >> 4) & 1)
+
+static unsigned
+mve_get_vcmp_vpt_cond (struct neon_type_el et)
+{
+ switch (et.type)
+ {
+ default:
+ first_error (BAD_EL_TYPE);
+ return 0;
+ case NT_float:
+ switch (inst.operands[0].imm)
+ {
+ default:
+ first_error (_("invalid condition"));
+ return 0;
+ case 0x0:
+ /* eq. */
+ return 0;
+ case 0x1:
+ /* ne. */
+ return 1;
+ case 0xa:
+ /* ge/ */
+ return 4;
+ case 0xb:
+ /* lt. */
+ return 5;
+ case 0xc:
+ /* gt. */
+ return 6;
+ case 0xd:
+ /* le. */
+ return 7;
+ }
+ case NT_integer:
+ /* only accept eq and ne. */
+ if (inst.operands[0].imm > 1)
+ {
+ first_error (_("invalid condition"));
+ return 0;
+ }
+ return inst.operands[0].imm;
+ case NT_unsigned:
+ if (inst.operands[0].imm == 0x2)
+ return 2;
+ else if (inst.operands[0].imm == 0x8)
+ return 3;
+ else
+ {
+ first_error (_("invalid condition"));
+ return 0;
+ }
+ case NT_signed:
+ switch (inst.operands[0].imm)
+ {
+ default:
+ first_error (_("invalid condition"));
+ return 0;
+ case 0xa:
+ /* ge. */
+ return 4;
+ case 0xb:
+ /* lt. */
+ return 5;
+ case 0xc:
+ /* gt. */
+ return 6;
+ case 0xd:
+ /* le. */
+ return 7;
+ }
+ }
+ /* Should be unreachable. */
+ abort ();
+}
+
+static void
+do_mve_vpt (void)
+{
+ /* We are dealing with a vector predicated block. */
+ if (inst.operands[0].present)
+ {
+ enum neon_shape rs = neon_select_shape (NS_IQQ, NS_IQR, NS_NULL);
+ struct neon_type_el et
+ = neon_check_type (3, rs, N_EQK, N_KEY | N_F_MVE | N_I_MVE | N_SU_32,
+ N_EQK);
+
+ unsigned fcond = mve_get_vcmp_vpt_cond (et);
+
+ constraint (inst.operands[1].reg > 14, MVE_BAD_QREG);
+
+ if (et.type == NT_invtype)
+ return;
+
+ if (et.type == NT_float)
+ {
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, mve_fp_ext),
+ BAD_FPU);
+ constraint (et.size != 16 && et.size != 32, BAD_EL_TYPE);
+ inst.instruction |= (et.size == 16) << 28;
+ inst.instruction |= 0x3 << 20;
+ }
+ else
+ {
+ constraint (et.size != 8 && et.size != 16 && et.size != 32,
+ BAD_EL_TYPE);
+ inst.instruction |= 1 << 28;
+ inst.instruction |= neon_logbits (et.size) << 20;
+ }
+
+ if (inst.operands[2].isquad)
+ {
+ inst.instruction |= HI1 (inst.operands[2].reg) << 5;
+ inst.instruction |= LOW4 (inst.operands[2].reg);
+ inst.instruction |= (fcond & 0x2) >> 1;
+ }
+ else
+ {
+ if (inst.operands[2].reg == REG_SP)
+ as_tsktsk (MVE_BAD_SP);
+ inst.instruction |= 1 << 6;
+ inst.instruction |= (fcond & 0x2) << 4;
+ inst.instruction |= inst.operands[2].reg;
+ }
+ inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
+ inst.instruction |= (fcond & 0x4) << 10;
+ inst.instruction |= (fcond & 0x1) << 7;
+
+ }
+ set_pred_insn_type (VPT_INSN);
+ now_pred.cc = 0;
+ now_pred.mask = ((inst.instruction & 0x00400000) >> 19)
+ | ((inst.instruction & 0xe000) >> 13);
+ now_pred.warn_deprecated = FALSE;
+ now_pred.type = VECTOR_PRED;
+ inst.is_neon = 1;
+}
+
+static void
+do_mve_vcmp (void)
+{
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, mve_ext), BAD_FPU);
+ if (!inst.operands[1].isreg || !inst.operands[1].isquad)
+ first_error (_(reg_expected_msgs[REG_TYPE_MQ]));
+ if (!inst.operands[2].present)
+ first_error (_("MVE vector or ARM register expected"));
+ constraint (inst.operands[1].reg > 14, MVE_BAD_QREG);
+
+ /* Deal with 'else' conditional MVE's vcmp, it will be parsed as vcmpe. */
+ if ((inst.instruction & 0xffffffff) == N_MNEM_vcmpe
+ && inst.operands[1].isquad)
+ {
+ inst.instruction = N_MNEM_vcmp;
+ inst.cond = 0x10;
+ }
+
+ if (inst.cond > COND_ALWAYS)
+ inst.pred_insn_type = INSIDE_VPT_INSN;
+ else
+ inst.pred_insn_type = MVE_OUTSIDE_PRED_INSN;
+
+ enum neon_shape rs = neon_select_shape (NS_IQQ, NS_IQR, NS_NULL);
+ struct neon_type_el et
+ = neon_check_type (3, rs, N_EQK, N_KEY | N_F_MVE | N_I_MVE | N_SU_32,
+ N_EQK);
+
+ constraint (rs == NS_IQR && inst.operands[2].reg == REG_PC
+ && !inst.operands[2].iszr, BAD_PC);
+
+ unsigned fcond = mve_get_vcmp_vpt_cond (et);
+
+ inst.instruction = 0xee010f00;
+ inst.instruction |= LOW4 (inst.operands[1].reg) << 16;
+ inst.instruction |= (fcond & 0x4) << 10;
+ inst.instruction |= (fcond & 0x1) << 7;
+ if (et.type == NT_float)
+ {
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, mve_fp_ext),
+ BAD_FPU);
+ inst.instruction |= (et.size == 16) << 28;
+ inst.instruction |= 0x3 << 20;
+ }
+ else
+ {
+ inst.instruction |= 1 << 28;
+ inst.instruction |= neon_logbits (et.size) << 20;
+ }
+ if (inst.operands[2].isquad)
+ {
+ inst.instruction |= HI1 (inst.operands[2].reg) << 5;
+ inst.instruction |= (fcond & 0x2) >> 1;
+ inst.instruction |= LOW4 (inst.operands[2].reg);
+ }
+ else
+ {
+ if (inst.operands[2].reg == REG_SP)
+ as_tsktsk (MVE_BAD_SP);
+ inst.instruction |= 1 << 6;
+ inst.instruction |= (fcond & 0x2) << 4;
+ inst.instruction |= inst.operands[2].reg;
+ }
+
+ inst.is_neon = 1;
+ return;
+}
+
static void
do_vfp_nsyn_cmp (void)
{
enum neon_shape rs;
+ if (!inst.operands[0].isreg)
+ {
+ do_mve_vcmp ();
+ return;
+ }
+ else
+ {
+ constraint (inst.operands[2].present, BAD_SYNTAX);
+ constraint (!ARM_CPU_HAS_FEATURE (cpu_variant, fpu_vfp_ext_v1xd),
+ BAD_FPU);
+ }
+
if (inst.operands[1].isreg)
{
rs = neon_select_shape (NS_HH, NS_FF, NS_DD, NS_NULL);
insn->instruction = i;
}
-/* Turn a size (8, 16, 32, 64) into the respective bit number minus 3
- (0, 1, 2, 3). */
-
-static unsigned
-neon_logbits (unsigned x)
-{
- return ffs (x) - 4;
-}
-
-#define LOW4(R) ((R) & 0xf)
-#define HI1(R) (((R) >> 4) & 1)
-
static void
mve_encode_qqr (int size, int fp)
{
REGDEF(WR, 7,RN), REGDEF(SB, 9,RN), REGDEF(SL,10,RN), REGDEF(FP,11,RN),
REGDEF(IP,12,RN), REGDEF(SP,13,RN), REGDEF(LR,14,RN), REGDEF(PC,15,RN),
+ /* Defining the new Zero register from ARMv8.1-M. */
+ REGDEF(zr,15,ZR),
+ REGDEF(ZR,15,ZR),
+
/* Coprocessor numbers. */
REGSET(p, CP), REGSET(P, CP),
nCE(vnmul, _vnmul, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
nCE(vnmla, _vnmla, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
nCE(vnmls, _vnmls, 3, (RVSD, RVSD, RVSD), vfp_nsyn_nmul),
- nCE(vcmp, _vcmp, 2, (RVSD, RSVD_FI0), vfp_nsyn_cmp),
- nCE(vcmpe, _vcmpe, 2, (RVSD, RSVD_FI0), vfp_nsyn_cmp),
NCE(vpush, 0, 1, (VRSDLST), vfp_nsyn_push),
NCE(vpop, 0, 1, (VRSDLST), vfp_nsyn_pop),
NCE(vcvtz, 0, 2, (RVSD, RVSD), vfp_nsyn_cvtz),
#undef THUMB_VARIANT
#define THUMB_VARIANT & mve_ext
+
+ ToC("vpt", ee410f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptt", ee018f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpte", ee418f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpttt", ee014f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptte", ee01cf00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptet", ee41cf00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptee", ee414f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptttt", ee012f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpttte", ee016f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpttet", ee01ef00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpttee", ee01af00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptett", ee41af00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vptete", ee41ef00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpteet", ee416f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+ ToC("vpteee", ee412f00, 3, (COND, RMQ, RMQRZ), mve_vpt),
+
ToC("vpst", fe710f4d, 0, (), mve_vpt),
ToC("vpstt", fe318f4d, 0, (), mve_vpt),
ToC("vpste", fe718f4d, 0, (), mve_vpt),
mCEF(vmovlt, _vmovlt, 1, (VMOV), mve_movl),
mCEF(vmovlb, _vmovlb, 1, (VMOV), mve_movl),
+ mnCE(vcmp, _vcmp, 3, (RVSD_COND, RSVDMQ_FI0, oRMQRZ), vfp_nsyn_cmp),
+ mnCE(vcmpe, _vcmpe, 3, (RVSD_COND, RSVDMQ_FI0, oRMQRZ), vfp_nsyn_cmp),
+
#undef ARM_VARIANT
#define ARM_VARIANT & fpu_vfp_ext_v2
projects / deliverable / binutils-gdb.git / commitdiff
