diff options
Diffstat (limited to 'opcodes/aarch64-dis.c')
| -rw-r--r-- | opcodes/aarch64-dis.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c index ab93234e28a..1d00c0aa8c8 100644 --- a/opcodes/aarch64-dis.c +++ b/opcodes/aarch64-dis.c @@ -1219,6 +1219,26 @@ aarch64_ext_sve_reglist (const aarch64_operand *self, info->reglist.num_regs = get_opcode_dependent_value (inst->opcode); return 1; } + +/* Decode <pattern>{, MUL #<amount>}. The fields array specifies which + fields to use for <pattern>. <amount> - 1 is encoded in the SVE_imm4 + field. */ +int +aarch64_ext_sve_scale (const aarch64_operand *self, + aarch64_opnd_info *info, aarch64_insn code, + const aarch64_inst *inst) +{ + int val; + + if (!aarch64_ext_imm (self, info, code, inst)) + return 0; + val = extract_field (FLD_SVE_imm4, code, 0); + info->shifter.kind = AARCH64_MOD_MUL; + info->shifter.amount = val + 1; + info->shifter.operator_present = (val != 0); + info->shifter.amount_present = (val != 0); + return 1; +} /* Bitfields that are commonly used to encode certain operands' information may be partially used as part of the base opcode in some instructions. |