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CMP, CMPU, CMPI, CMPUI

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Erin 2023-06-09 18:25:37 +02:00 committed by ondra05
parent d32b9e7fba
commit e1499fd5a1
4 changed files with 83 additions and 57 deletions
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11
hbasm/src/lib.rs
View file

@ -1,7 +1,4 @@
use std::collections::{HashMap, HashSet};
use lasso::Key;
use std::collections::HashMap;
use {
lasso::{Rodeo, Spur},
logos::{Lexer, Logos, Span},
@ -56,8 +53,8 @@ macro_rules! tokendef {
#[rustfmt::skip]
tokendef![
"nop", "add", "sub", "mul", "rem", "and", "or", "xor", "sl", "sr", "srs",
"not", "addf", "subf", "mulf", "divf", "addi", "muli", "remi", "andi",
"ori", "xori", "sli", "sri", "srsi", "addfi", "mulfi", "cp", "li", "lb",
"cmp", "cmpu", "not", "addf", "subf", "mulf", "divf", "addi", "muli", "remi", "andi",
"ori", "xori", "sli", "sri", "srsi", "cmpi", "cmpui", "addfi", "mulfi", "cp", "li", "lb",
"ld", "lq", "lo", "sb", "sd", "sq", "so", "jmp", "jeq", "jne", "jlt", "jgt",
"jltu", "jgtu", "ret", "ecall",
];
@ -116,7 +113,7 @@ pub fn assembly(code: &str, buf: &mut Vec<u8>) -> Result<(), Error> {
self.buf.push(op);
match op {
NOP | RET | ECALL => Ok(()),
ADD..=SRS | ADDF..=DIVF => self.rrr(),
ADD..=CMPU | ADDF..=DIVF => self.rrr(),
NOT | CP => self.rr(),
LI | JMP => self.ri(),
ADDI..=MULFI | LB..=SO | JEQ..=JGTU => self.rri(),

76
hbbytecode/src/lib.rs
View file

@ -22,47 +22,49 @@ constmod!(pub opcode(u8) {
SL = 9, // RRR; #0 ← #1 « #2
SR = 10, // RRR; #0 ← #1 » #2
SRS = 11, // RRR; #0 ← #1 » #2 (signed)
NOT = 12, // RR; #0 ← !#1
CMP = 12, // RRR; #0 ← #1 <=> #2
CMPU = 13, // RRR; #0 ← #1 <=> #2 (unsigned)
NOT = 14, // RR; #0 ← !#1
ADDF = 13, // RRR; #0 ← #1 +. #2
SUBF = 14, // RRR; #0 ← #1 +. #2
MULF = 15, // RRR; #0 ← #1 +. #2
DIVF = 16, // RRR; #0 ← #1 +. #2
ADDF = 15, // RRR; #0 ← #1 +. #2
SUBF = 16, // RRR; #0 ← #1 +. #2
MULF = 17, // RRR; #0 ← #1 +. #2
DIVF = 18, // RRR; #0 ← #1 +. #2
ADDI = 19, // RRI; #0 ← #1 + imm #2
MULI = 20, // RRI; #0 ← #1 × imm #2
REMI = 21, // RRI; #0 ← #1 % imm #2
ANDI = 22, // RRI; #0 ← #1 & imm #2
ORI = 23, // RRI; #0 ← #1 | imm #2
XORI = 24, // RRI; #0 ← #1 ^ imm #2
SLI = 25, // RRI; #0 ← #1 « imm #2
SRI = 26, // RRI; #0 ← #1 » imm #2
SRSI = 27, // RRI; #0 ← #1 » imm #2 (signed)
CMPI = 28, // RRI; #0 ← #1 <=> imm #2
CMPUI = 29, // RRI; #0 ← #1 <=> imm #2 (unsigned)
ADDI = 17, // RRI; #0 ← #1 + imm #2
MULI = 18, // RRI; #0 ← #1 × imm #2
REMI = 19, // RRI; #0 ← #1 % imm #2
ANDI = 20, // RRI; #0 ← #1 & imm #2
ORI = 21, // RRI; #0 ← #1 | imm #2
XORI = 22, // RRI; #0 ← #1 ^ imm #2
ADDFI = 30, // RRI; #0 ← #1 +. imm #2
MULFI = 31, // RRI; #0 ← #1 *. imm #2
SLI = 23, // RRI; #0 ← #1 « imm #2
SRI = 24, // RRI; #0 ← #1 » imm #2
SRSI = 25, // RRI; #0 ← #1 » imm #2 (signed)
CP = 32, // RR; Copy #0 ← #1
LI = 33, // RI; Load immediate, #0 ← imm #1
LB = 34, // RRI; Load byte (8 bits), #0 ← [#1 + imm #2]
LD = 35, // RRI; Load doublet (16 bits)
LQ = 36, // RRI; Load quadlet (32 bits)
LO = 37, // RRI; Load octlet (64 bits)
SB = 38, // RRI; Store byte, [#1 + imm #2] ← #0
SD = 39, // RRI; Store doublet
SQ = 40, // RRI; Store quadlet
SO = 41, // RRI; Store octlet
ADDFI = 26, // RRI; #0 ← #1 +. imm #2
MULFI = 27, // RRI; #0 ← #1 *. imm #2
CP = 28, // RR; Copy #0 ← #1
LI = 29, // RI; Load immediate, #0 ← imm #1
LB = 30, // RRI; Load byte (8 bits), #0 ← [#1 + imm #2]
LD = 31, // RRI; Load doublet (16 bits)
LQ = 32, // RRI; Load quadlet (32 bits)
LO = 33, // RRI; Load octlet (64 bits)
SB = 34, // RRI; Store byte, [#1 + imm #2] ← #0
SD = 35, // RRI; Store doublet
SQ = 36, // RRI; Store quadlet
SO = 37, // RRI; Store octlet
JMP = 38, // RI; Unconditional jump [#0 + imm #1]
JEQ = 39, // RRI; if #0 = #1 → jump imm #2
JNE = 40, // RRI; if #0 ≠ #1 → jump imm #2
JLT = 41, // RRI; if #0 < #1 → jump imm #2
JGT = 52, // RRI; if #0 > #1 → jump imm #2
JLTU = 53, // RRI; if #0 < #1 → jump imm #2 (unsigned)
JGTU = 54, // RRI; if #0 > #1 → jump imm #2 (unsigned)
RET = 55, // N; Return
ECALL = 56, // N; Issue system call
JMP = 42, // RI; Unconditional jump [#0 + imm #1]
JEQ = 43, // RRI; if #0 = #1 → jump imm #2
JNE = 44, // RRI; if #0 ≠ #1 → jump imm #2
JLT = 45, // RRI; if #0 < #1 → jump imm #2
JGT = 46, // RRI; if #0 > #1 → jump imm #2
JLTU = 47, // RRI; if #0 < #1 → jump imm #2 (unsigned)
JGTU = 48, // RRI; if #0 > #1 → jump imm #2 (unsigned)
RET = 49, // N; Return
ECALL = 50, // N; Issue system call
});
#[repr(packed)]

2
hbvm/src/validate.rs
View file

@ -41,7 +41,7 @@ pub fn validate(mut program: &[u8]) -> Result<(), Error> {
// N
[NOP | RET | ECALL, rest @ ..] => rest,
// RRR
[ADD..=SRS | ADDF..=DIVF, _, _, _, rest @ ..] => {
[ADD..=CMPU | ADDF..=DIVF, _, _, _, rest @ ..] => {
if let Some(n) = reg(&program[1..=3]) {
bail!(InvalidRegister, start, program, n + 1);
}

29
hbvm/src/vm/mod.rs
View file

@ -14,7 +14,9 @@ mod value;
macro_rules! param {
($self:expr, $ty:ty) => {{
assert_impl_one!($ty: OpParam);
let data = $self.program.as_ptr()
let data = $self
.program
.as_ptr()
.add($self.pc + 1)
.cast::<$ty>()
.read();
@ -130,6 +132,20 @@ impl<'a> Vm<'a> {
SL => binary_op!(self, int, ops::Shl::shl),
SR => binary_op!(self, int, ops::Shr::shr),
SRS => binary_op!(self, sint, ops::Shr::shr),
CMP => {
let ParamRRR(tg, a0, a1) = param!(self, ParamRRR);
self.write_reg(
tg,
(self.read_reg(a0).sint().cmp(&self.read_reg(a1).sint()) as i64).into(),
);
}
CMPU => {
let ParamRRR(tg, a0, a1) = param!(self, ParamRRR);
self.write_reg(
tg,
(self.read_reg(a0).int().cmp(&self.read_reg(a1).int()) as i64).into(),
);
}
NOT => {
let param = param!(self, ParamRR);
self.write_reg(param.0, (!self.read_reg(param.1).int()).into());
@ -149,6 +165,17 @@ impl<'a> Vm<'a> {
SRSI => binary_op_imm!(self, sint, ops::Shr::shr),
ADDFI => binary_op_imm!(self, float, ops::Add::add),
MULFI => binary_op_imm!(self, float, ops::Mul::mul),
CMPI => {
let ParamRRI(tg, a0, imm) = param!(self, ParamRRI);
self.write_reg(
tg,
(self.read_reg(a0).sint().cmp(&Value::from(imm).sint()) as i64).into(),
);
}
CMPUI => {
let ParamRRI(tg, a0, imm) = param!(self, ParamRRI);
self.write_reg(tg, (self.read_reg(a0).int().cmp(&imm) as i64).into());
}
CP => {
let param = param!(self, ParamRR);
self.write_reg(param.0, self.read_reg(param.1));