diff options
Diffstat (limited to 'opcodes/aarch64-dis.c')
| -rw-r--r-- | opcodes/aarch64-dis.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c index d3f38c3..6e94570 100644 --- a/opcodes/aarch64-dis.c +++ b/opcodes/aarch64-dis.c @@ -1956,6 +1956,55 @@ aarch64_ext_sve_float_zero_one (const aarch64_operand *self, return true; } +/* Decode SME instruction such as MOVZA ZA tile slice to vector. */ +bool +aarch64_ext_sme_za_tile_to_vec (const aarch64_operand *self, + aarch64_opnd_info *info, aarch64_insn code, + const aarch64_inst *inst ATTRIBUTE_UNUSED, + aarch64_operand_error *errors ATTRIBUTE_UNUSED) +{ + aarch64_insn Qsize; /* fields Q:S:size. */ + int fld_v = extract_field (self->fields[0], code, 0); + int fld_rv = extract_field (self->fields[1], code, 0); + int fld_zan_imm = extract_field (FLD_imm4_5, code, 0); + + Qsize = extract_fields (inst->value, 0, 2, FLD_SME_size_22, FLD_SME_Q); + switch (Qsize) + { + case 0x0: + info->qualifier = AARCH64_OPND_QLF_S_B; + info->indexed_za.regno = 0; + info->indexed_za.index.imm = fld_zan_imm; + break; + case 0x2: + info->qualifier = AARCH64_OPND_QLF_S_H; + info->indexed_za.regno = fld_zan_imm >> 3; + info->indexed_za.index.imm = fld_zan_imm & 0x07; + break; + case 0x4: + info->qualifier = AARCH64_OPND_QLF_S_S; + info->indexed_za.regno = fld_zan_imm >> 2; + info->indexed_za.index.imm = fld_zan_imm & 0x03; + break; + case 0x6: + info->qualifier = AARCH64_OPND_QLF_S_D; + info->indexed_za.regno = fld_zan_imm >> 1; + info->indexed_za.index.imm = fld_zan_imm & 0x01; + break; + case 0x7: + info->qualifier = AARCH64_OPND_QLF_S_Q; + info->indexed_za.regno = fld_zan_imm; + break; + default: + return false; + } + + info->indexed_za.index.regno = fld_rv + 12; + info->indexed_za.v = fld_v; + + return true; +} + /* Decode ZA tile vector, vector indicator, vector selector, qualifier and immediate on numerous SME instruction fields such as MOVA. */ bool @@ -3397,6 +3446,12 @@ aarch64_decode_variant_using_iclass (aarch64_inst *inst) i = extract_field (FLD_SVE_tszh, inst->value, 0); goto sve_shift; + case sme_size_12_bh: + variant = extract_field (FLD_S, inst->value, 0); + if (variant > 1) + return false; + break; + case sme_size_12_bhs: variant = extract_field (FLD_SME_size_12, inst->value, 0); if (variant >= 3) |