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//! # SMADDL
//!
//! This instruction multiplies two 32-bit register values, adds a 64-bit register value, and writes the result to the 64-bit destination register.
#![allow(non_snake_case)]
#![allow(unused)]
use crate::error::Result;
use crate::utils::*;
use super::super::formatter::*;
use super::super::instruction::*;
use super::super::operand::*;
use super::super::consts::*;
use super::super::config::*;
use super::super::decoder::*;
// ---------------------------------------------------------------------------
// Iclass IclassSmaddl64waDp3src
// ---------------------------------------------------------------------------
/// Type that represents the IclassSmaddl64waDp3src instruction class.
pub(crate) struct IclassSmaddl64waDp3src;
impl IclassSmaddl64waDp3src {
/// Tries to decode the instruction in `data`.
pub(crate) fn decode(data: u32, decoder: &mut Decoder) -> Result<Instruction> {
let U = (data >> 23) & 1;
let U_post = U;
let Rm = (data >> 16) & 31;
let Rm_post = Rm;
let field_27 = (data >> 25) & 7;
let field_27_post = field_27;
let field_22 = (data >> 21) & 3;
let field_22_post = field_22;
let op54 = (data >> 29) & 3;
let op54_post = op54;
let o0 = (data >> 15) & 1;
let o0_post = o0;
let Ra = (data >> 10) & 31;
let Ra_post = Ra;
let Rn = (data >> 5) & 31;
let Rn_post = Rn;
let sf = (data >> 31) & 1;
let sf_post = sf;
let Rd = (data >> 0) & 31;
let Rd_post = Rd;
let field_28 = (data >> 28) & 1;
let field_28_post = field_28;
let field_24 = (data >> 24) & 1;
let field_24_post = field_24;
return Smaddl64waDp3src::decode(data as u32, decoder);
unreachable!()
}
}
/// 64-bit encoding.
///
/// # Encoding
///
/// <table style="font-family: courier, monospace">
/// <tr>
/// <td style="border: none">31</td>
/// <td style="border: none">30</td>
/// <td style="border: none">29</td>
/// <td style="border: none">28</td>
/// <td style="border: none">27</td>
/// <td style="border: none">26</td>
/// <td style="border: none">25</td>
/// <td style="border: none">24</td>
/// <td style="border: none">23</td>
/// <td style="border: none">22</td>
/// <td style="border: none">21</td>
/// <td style="border: none">20</td>
/// <td style="border: none">19</td>
/// <td style="border: none">18</td>
/// <td style="border: none">17</td>
/// <td style="border: none">16</td>
/// <td style="border: none">15</td>
/// <td style="border: none">14</td>
/// <td style="border: none">13</td>
/// <td style="border: none">12</td>
/// <td style="border: none">11</td>
/// <td style="border: none">10</td>
/// <td style="border: none">9</td>
/// <td style="border: none">8</td>
/// <td style="border: none">7</td>
/// <td style="border: none">6</td>
/// <td style="border: none">5</td>
/// <td style="border: none">4</td>
/// <td style="border: none">3</td>
/// <td style="border: none">2</td>
/// <td style="border: none">1</td>
/// <td style="border: none">0</td>
/// </tr>
/// <tr>
/// <td style="text-align: center; border-right: none" colspan="1">1</td>
/// <td style="text-align: center; border-right: none" colspan="1">0</td>
/// <td style="text-align: center; border-left: none" colspan="1">0</td>
/// <td style="text-align: center; border-right: none" colspan="1">1</td>
/// <td style="text-align: center; border-right: none" colspan="1">1</td>
/// <td style="text-align: center; border-left: none; border-right: none" colspan="1">0</td>
/// <td style="text-align: center; border-left: none" colspan="1">1</td>
/// <td style="text-align: center; border-right: none" colspan="1">1</td>
/// <td style="text-align: center; border-right: none" colspan="1">0</td>
/// <td style="text-align: center; border-right: none" colspan="1">0</td>
/// <td style="text-align: center; border-left: none" colspan="1">1</td>
/// <td style="text-align: center" colspan="5">Rm</td>
/// <td style="text-align: center; border-right: none" colspan="1">0</td>
/// <td style="text-align: center" colspan="5">Ra</td>
/// <td style="text-align: center" colspan="5">Rn</td>
/// <td style="text-align: center" colspan="5">Rd</td>
/// </tr>
/// <tr>
/// <td style="text-align: center; border: none" colspan="1">sf</td>
/// <td style="text-align: center; border: none" colspan="2">op54</td>
/// <td style="text-align: center; border: none" colspan="1"></td>
/// <td style="text-align: center; border: none" colspan="3"></td>
/// <td style="text-align: center; border: none" colspan="1"></td>
/// <td style="text-align: center; border: none" colspan="1">U</td>
/// <td style="text-align: center; border: none" colspan="2"></td>
/// <td style="text-align: center; border: none" colspan="5"></td>
/// <td style="text-align: center; border: none" colspan="1">o0</td>
/// <td style="text-align: center; border: none" colspan="5"></td>
/// <td style="text-align: center; border: none" colspan="5"></td>
/// <td style="text-align: center; border: none" colspan="5"></td>
/// </tr>
/// </table>
pub struct Smaddl64waDp3src;
impl Smaddl64waDp3src {
/// Returns the instruction mnemonic.
pub fn mnemonic(_instr: &Instruction) -> Mnemonic {
Mnemonic::SMADDL
}
/// Returns the instruction size.
pub fn size(_instr: &Instruction) -> usize {
4
}
/// Decodes the instruction in `data`.
pub fn decode(data: u32, decoder: &mut Decoder) -> Result<Instruction> {
// Fields are extracted from the input value.
let Rm = (data >> 16) & 31;
let Rm_post = Rm;
let Ra = (data >> 10) & 31;
let Ra_post = Ra;
let Rn = (data >> 5) & 31;
let Rn_post = Rn;
let Rd = (data >> 0) & 31;
let Rd_post = Rd;
/// Checks are performed in case an alias should be used instead of the current encoding.
match decoder.config.instructions.smaddl_64wa_dp_3src.aliases {
// No alias configuration for this instruction, we default to the global one.
None => match decoder.config.global.aliases {
// We skip the alias checks and use the base encoding.
FormatAliasGlobal::Never => {},
// We go through each alias and their conditions, returning the first
// one that matches.
FormatAliasGlobal::Recommended => {
if (Ra_post == 31) {
return super::SmullSmaddl64waDp3src::decode(data, decoder);
}
},
// We always use the alias, regardless of its condition.
FormatAliasGlobal::Always => {
return super::SmullSmaddl64waDp3src::decode(data, decoder);
}
}
Some(pref) => match pref {
FormatAliasInstruction::Never => {},
FormatAliasInstruction::Recommended => {
if (Ra_post == 31) {
return super::SmullSmaddl64waDp3src::decode(data, decoder);
}
},
FormatAliasInstruction::Preferred(alias) => {
match alias {
Smaddl64waDp3srcAliases::SmullSmaddl64waDp3src => {
if (Ra_post == 31) {
return super::SmullSmaddl64waDp3src::decode(data, decoder);
}
}
};
if (Ra_post == 31) {
return super::SmullSmaddl64waDp3src::decode(data, decoder);
}
},
FormatAliasInstruction::Always(alias) => {
match alias {
Smaddl64waDp3srcAliases::SmullSmaddl64waDp3src => return super::SmullSmaddl64waDp3src::decode(data, decoder),
}
},
}
}
// Operand values are computed from the base fields.
let Rd_post = Rd;
let op_0 = Register::aarch64(Rd_post, false)?;
let Rn_post = Rn;
let op_1 = Register::aarch32(Rn_post, false)?;
let Rm_post = Rm;
let op_2 = Register::aarch32(Rm_post, false)?;
let Ra_post = Ra;
let op_3 = Register::aarch64(Ra_post, false)?;
// Instruction creation from the operands.
let mut instr = Instruction::builder(Code::SMADDL_64WA_dp_3src)
.operand(0, op_0)?
.operand(1, op_1)?
.operand(2, op_2)?
.operand(3, op_3)?
.build();
Ok(instr)
}
/// Encodes the instruction into `buf`.
pub fn encode(instr: &Instruction, buf: &mut Vec<u8>) -> Result<usize> {
// Retrieve all operand values.
let Rd_pre = instr.op0().as_register()?.encode();
let Rn_pre = instr.op1().as_register()?.encode();
let Rm_pre = instr.op2().as_register()?.encode();
let Ra_pre = instr.op3().as_register()?.encode();
// Compute all instruction fields from the operand values.
let Rd = (Rd_pre & 31);
let Rn = (Rn_pre & 31);
let Rm = (Rm_pre & 31);
let Ra = (Ra_pre & 31);
// Add all fields to the base instruction encoding.
let mut instr: u32 = 0b10011011001000000000000000000000;
instr |= (Rd & 31) << 0;
instr |= (Rn & 31) << 5;
instr |= (Rm & 31) << 16;
instr |= (Ra & 31) << 10;
let bytes = instr.to_le_bytes();
let len = bytes.len();
buf.extend(bytes);
Ok(len)
}
/// Encode an instruction part of an instruction block into `buf`.
pub fn encode_block(instr: &mut Instruction, buf: &mut Vec<u8>, labels: &std::collections::HashMap<u64, u64>) -> Result<usize> {
Self::encode(instr, buf)
}
/// Verifies that operand #0 is valid.
pub fn check_op0(instr: &Instruction, op: &Operand) -> Result<()> {
if let Operand::Register(r) = op {
if !r.is_aarch64() {
todo!()
}
if *r == Register::SP {
todo!()
}
return Ok(())
}
todo!()
}
/// Verifies that operand #1 is valid.
pub fn check_op1(instr: &Instruction, op: &Operand) -> Result<()> {
if let Operand::Register(r) = op {
if !r.is_aarch32() {
todo!()
}
if *r == Register::WSP {
todo!()
}
return Ok(())
}
todo!()
}
/// Verifies that operand #2 is valid.
pub fn check_op2(instr: &Instruction, op: &Operand) -> Result<()> {
if let Operand::Register(r) = op {
if !r.is_aarch32() {
todo!()
}
if *r == Register::WSP {
todo!()
}
return Ok(())
}
todo!()
}
/// Verifies that operand #3 is valid.
pub fn check_op3(instr: &Instruction, op: &Operand) -> Result<()> {
if let Operand::Register(r) = op {
if !r.is_aarch64() {
todo!()
}
if *r == Register::SP {
todo!()
}
return Ok(())
}
todo!()
}
/// Verifies that operand #4 is valid.
pub fn check_op4(instr: &Instruction, op: &Operand) -> Result<()> {
todo!()
}
/// Verifies that operand #5 is valid.
pub fn check_op5(instr: &Instruction, op: &Operand) -> Result<()> {
todo!()
}
/// Verifies that operand #6 is valid.
pub fn check_op6(instr: &Instruction, op: &Operand) -> Result<()> {
todo!()
}
/// Formats the instruction.
pub fn format(instr: &Instruction, fmt: &mut impl Formatter, output: &mut impl FormatterOutput, config: &Config) -> Result<()> {
fmt.format_mnemonic(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr)?;
fmt.format_punctuation(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, FormatterTextKind::Space)?;
fmt.format_operand(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, 0)?;
fmt.format_punctuation(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, FormatterTextKind::Comma)?;
fmt.format_operand(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, 1)?;
fmt.format_punctuation(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, FormatterTextKind::Comma)?;
fmt.format_operand(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, 2)?;
fmt.format_punctuation(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, FormatterTextKind::Comma)?;
fmt.format_operand(output, &config.global, &config.instructions.smaddl_64wa_dp_3src, instr, 3)?;
Ok(())
}
}
/// Type that represents alias identifiers for [`Smaddl64waDp3src`].
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Debug, Hash)]
pub enum Smaddl64waDp3srcAliases {
SmullSmaddl64waDp3src,
}