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implementing global variables

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This commit is contained in:
Jakub Doka 2024-10-20 10:37:48 +02:00
parent 15e4762d4a
commit 00949c4ea8
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GPG key ID: C6E9A89936B8C143
4 changed files with 248 additions and 141 deletions
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85
lang/src/codegen.rs
View file

@ -1,4 +1,3 @@
pub use self::reg::{RET_ADDR, STACK_PTR, ZERO};
use {
crate::{
ident::{self, Ident},
@ -7,13 +6,13 @@ use {
parser::{
self, find_symbol, idfl, CommentOr, CtorField, Expr, ExprRef, FileId, Pos, StructField,
},
reg,
ty::{self, TyCheck},
Field, Func, Global, LoggedMem, OffsetIter, ParamAlloc, Reloc, Sig, Struct, SymKey,
TypedReloc, Types, HEADER_SIZE,
Comptime, Field, Func, Global, OffsetIter, ParamAlloc, Reloc, Sig, Struct, SymKey,
TypedReloc, Types,
},
alloc::{boxed::Box, string::String, vec::Vec},
core::fmt::Display,
std::assert_matches::debug_assert_matches,
alloc::{string::String, vec::Vec},
core::{assert_matches::debug_assert_matches, fmt::Display},
};
type Offset = u32;
@ -163,13 +162,8 @@ mod stack {
}
}
mod reg {
use alloc::vec::Vec;
pub const STACK_PTR: Reg = 254;
pub const ZERO: Reg = 0;
pub const RET: Reg = 1;
pub const RET_ADDR: Reg = 31;
mod rall {
use {crate::reg::*, alloc::vec::Vec};
type Reg = u8;
@ -323,7 +317,7 @@ struct CtValue(u64);
#[derive(Debug, PartialEq, Eq)]
enum Loc {
Rt { derefed: bool, reg: reg::Id, stack: Option<stack::Id>, offset: Offset },
Rt { derefed: bool, reg: rall::Id, stack: Option<stack::Id>, offset: Offset },
Ct { derefed: bool, value: CtValue },
}
@ -332,7 +326,7 @@ impl Loc {
Self::Rt { stack: Some(stack), reg: reg::STACK_PTR.into(), derefed: true, offset: 0 }
}
fn reg(reg: impl Into<reg::Id>) -> Self {
fn reg(reg: impl Into<rall::Id>) -> Self {
let reg = reg.into();
assert!(reg.get() != 0);
Self::Rt { derefed: false, reg, stack: None, offset: 0 }
@ -406,7 +400,7 @@ impl Loc {
}
fn is_stack(&self) -> bool {
matches!(self, Self::Rt { derefed: true, reg, stack: Some(_), offset: 0 } if reg.get() == STACK_PTR)
matches!(self, Self::Rt { derefed: true, reg, stack: Some(_), offset: 0 } if reg.get() == reg::STACK_PTR)
}
fn is_reg(&self) -> bool {
@ -414,8 +408,8 @@ impl Loc {
}
}
impl From<reg::Id> for Loc {
fn from(reg: reg::Id) -> Self {
impl From<rall::Id> for Loc {
fn from(reg: rall::Id) -> Self {
Loc::reg(reg)
}
}
@ -451,13 +445,13 @@ struct ItemCtx {
file: FileId,
id: ty::Kind,
ret: Option<ty::Id>,
ret_reg: reg::Id,
ret_reg: rall::Id,
inline_ret_loc: Loc,
task_base: usize,
stack: stack::Alloc,
regs: reg::Alloc,
regs: rall::Alloc,
loops: Vec<Loop>,
vars: Vec<Variable>,
@ -510,12 +504,12 @@ impl ItemCtx {
}
fn emit_prelude(&mut self) {
self.emit(instrs::addi64(STACK_PTR, STACK_PTR, 0));
self.emit(instrs::st(RET_ADDR, STACK_PTR, 0, 0));
self.emit(instrs::addi64(reg::STACK_PTR, reg::STACK_PTR, 0));
self.emit(instrs::st(reg::RET_ADDR, reg::STACK_PTR, 0, 0));
}
fn emit_entry_prelude(&mut self) {
self.emit(jal(RET_ADDR, reg::ZERO, 0));
self.emit(jal(reg::RET_ADDR, reg::ZERO, 0));
self.emit(tx());
}
@ -642,32 +636,6 @@ struct Pool {
arg_locs: Vec<Loc>,
}
const VM_STACK_SIZE: usize = 1024 * 64;
pub struct Comptime {
pub vm: hbvm::Vm<LoggedMem, { 1024 * 10 }>,
stack: Box<[u8; VM_STACK_SIZE]>,
code: Vec<u8>,
}
impl Comptime {
fn reset(&mut self) {
let ptr = unsafe { self.stack.as_mut_ptr().cast::<u8>().add(VM_STACK_SIZE) as u64 };
self.vm.registers.fill(hbvm::value::Value(0));
self.vm.write_reg(STACK_PTR, ptr);
self.vm.pc = hbvm::mem::Address::new(self.code.as_ptr() as u64 + HEADER_SIZE as u64);
}
}
impl Default for Comptime {
fn default() -> Self {
let mut stack = Box::<[u8; VM_STACK_SIZE]>::new_uninit();
let mut vm = hbvm::Vm::default();
let ptr = unsafe { stack.as_mut_ptr().cast::<u8>().add(VM_STACK_SIZE) as u64 };
vm.write_reg(STACK_PTR, ptr);
Self { vm, stack: unsafe { stack.assume_init() }, code: Default::default() }
}
}
mod trap {
use {
super::ty,
@ -834,7 +802,7 @@ impl Codegen {
ptr = ptr.offset(size);
}
self.stack_offset(2, STACK_PTR, Some(&stack), 0);
self.stack_offset(2, reg::STACK_PTR, Some(&stack), 0);
let val = self.eca(
trap::Trap::MakeStruct(trap::MakeStruct {
file: self.ci.file,
@ -1427,7 +1395,7 @@ impl Codegen {
let reloc = Reloc::new(self.ci.code.len(), 3, 4);
self.ci.relocs.push(TypedReloc { target: ty::Kind::Func(func).compress(), reloc });
self.ci.emit(jal(RET_ADDR, ZERO, 0));
self.ci.emit(jal(reg::RET_ADDR, reg::ZERO, 0));
self.make_func_reachable(func);
if should_momize {
@ -2194,7 +2162,7 @@ impl Codegen {
self.ci.emit(instrs::cp(reg.get(), 1));
self.ci.ret_reg = reg;
} else {
self.ci.ret_reg = reg::Id::RET;
self.ci.ret_reg = rall::Id::RET;
}
if self.expr(body).is_some() {
@ -2208,7 +2176,7 @@ impl Codegen {
self.ci.vars = vars;
self.ci.finalize();
self.ci.emit(jala(ZERO, RET_ADDR, 0));
self.ci.emit(jala(reg::ZERO, reg::RET_ADDR, 0));
self.ci.regs.free(core::mem::take(&mut self.ci.ret_reg));
self.tys.ins.funcs[id as usize].code.append(&mut self.ci.code);
self.tys.ins.funcs[id as usize].relocs = self.ci.relocs.drain(..).collect();
@ -2273,7 +2241,7 @@ impl Codegen {
}
}
fn loc_to_reg(&mut self, loc: impl Into<LocCow>, size: Size) -> reg::Id {
fn loc_to_reg(&mut self, loc: impl Into<LocCow>, size: Size) -> rall::Id {
match loc.into() {
LocCow::Owned(Loc::Rt { derefed: false, mut reg, offset, stack }) => {
debug_assert!(stack.is_none(), "TODO");
@ -2711,10 +2679,7 @@ impl Codegen {
}
self.tys.dump_reachable(last_fn as _, &mut self.ct.code);
let entry =
&mut self.ct.code[self.tys.ins.funcs[last_fn].offset as usize] as *mut _ as _;
let prev_pc = core::mem::replace(&mut self.ct.vm.pc, hbvm::mem::Address::new(entry))
- self.ct.code.as_ptr() as usize;
let prev_pc = self.ct.push_pc(self.tys.ins.funcs[last_fn].offset);
#[cfg(debug_assertions)]
{
@ -2731,7 +2696,7 @@ impl Codegen {
}
self.run_vm();
self.ct.vm.pc = prev_pc + self.ct.code.as_ptr() as usize;
self.ct.pop_pc(prev_pc);
let func = self.tys.ins.funcs.pop().unwrap();
self.ci.code = func.code;
@ -2815,7 +2780,7 @@ impl Codegen {
&self.files[self.ci.file as usize]
}
fn cow_reg(&mut self, rhs: reg::Id) -> reg::Id {
fn cow_reg(&mut self, rhs: rall::Id) -> rall::Id {
if rhs.is_ref() {
let reg = self.ci.regs.allocate();
self.ci.emit(cp(reg.get(), rhs.get()));

47
lang/src/lib.rs
View file

@ -37,7 +37,7 @@ use {
parser::{CommentOr, Expr, ExprRef, FileId, Pos},
ty::ArrayLen,
},
alloc::{collections::BTreeMap, string::String, vec::Vec},
alloc::{boxed::Box, collections::BTreeMap, string::String, vec::Vec},
core::{cell::Cell, ops::Range},
hashbrown::hash_map,
hbbytecode as instrs,
@ -531,11 +531,11 @@ mod ty {
}
impl<'a> Display<'a> {
pub(super) fn new(tys: &'a super::Types, files: &'a [parser::Ast], ty: Id) -> Self {
pub fn new(tys: &'a super::Types, files: &'a [parser::Ast], ty: Id) -> Self {
Self { tys, files, ty }
}
fn rety(&self, ty: Id) -> Self {
pub fn rety(&self, ty: Id) -> Self {
Self::new(self.tys, self.files, ty)
}
}
@ -1039,7 +1039,7 @@ impl Types {
AbleOsExecutableHeader {
magic_number: [0x15, 0x91, 0xD2],
executable_version: 0,
code_length: (code_length - HEADER_SIZE) as _,
code_length: code_length.saturating_sub(HEADER_SIZE) as _,
data_length: data_length as _,
debug_length: 0,
config_length: 0,
@ -1294,6 +1294,43 @@ impl Default for FnvHasher {
}
}
const VM_STACK_SIZE: usize = 1024 * 64;
pub struct Comptime {
pub vm: hbvm::Vm<LoggedMem, { 1024 * 10 }>,
stack: Box<[u8; VM_STACK_SIZE]>,
code: Vec<u8>,
}
impl Comptime {
fn reset(&mut self) {
let ptr = unsafe { self.stack.as_mut_ptr().cast::<u8>().add(VM_STACK_SIZE) as u64 };
self.vm.registers.fill(hbvm::value::Value(0));
self.vm.write_reg(reg::STACK_PTR, ptr);
self.vm.pc = hbvm::mem::Address::new(self.code.as_ptr() as u64 + HEADER_SIZE as u64);
}
fn push_pc(&mut self, offset: Offset) -> hbvm::mem::Address {
let entry = &mut self.code[offset as usize] as *mut _ as _;
core::mem::replace(&mut self.vm.pc, hbvm::mem::Address::new(entry))
- self.code.as_ptr() as usize
}
fn pop_pc(&mut self, prev_pc: hbvm::mem::Address) {
self.vm.pc = prev_pc + self.code.as_ptr() as usize;
}
}
impl Default for Comptime {
fn default() -> Self {
let mut stack = Box::<[u8; VM_STACK_SIZE]>::new_uninit();
let mut vm = hbvm::Vm::default();
let ptr = unsafe { stack.as_mut_ptr().cast::<u8>().add(VM_STACK_SIZE) as u64 };
vm.write_reg(reg::STACK_PTR, ptr);
Self { vm, stack: unsafe { stack.assume_init() }, code: Default::default() }
}
}
#[cfg(test)]
pub fn run_test(
name: &'static str,
@ -1455,7 +1492,7 @@ fn test_run_vm(out: &[u8], output: &mut String) {
)
};
vm.write_reg(codegen::STACK_PTR, unsafe { stack.as_mut_ptr().add(stack.len()) } as u64);
vm.write_reg(reg::STACK_PTR, unsafe { stack.as_mut_ptr().add(stack.len()) } as u64);
let stat = loop {
match vm.run() {

248
lang/src/son.rs
View file

@ -10,9 +10,9 @@ use {
Expr, ExprRef, FileId, Pos,
},
reg, task,
ty::{self, ArrayLen},
ty::{self, ArrayLen, Tuple},
vc::{BitSet, Vc},
Func, HashMap, Offset, OffsetIter, Reloc, Sig, SymKey, TypedReloc, Types,
Comptime, Func, Global, HashMap, Offset, OffsetIter, Reloc, Sig, SymKey, TypedReloc, Types,
},
alloc::{string::String, vec::Vec},
core::{
@ -73,6 +73,43 @@ impl Default for Nodes {
}
impl Nodes {
fn graphviz_low(
&self,
tys: &Types,
files: &[parser::Ast],
out: &mut String,
) -> core::fmt::Result {
use core::fmt::Write;
for (i, node) in self.iter() {
let color = if self.is_cfg(i) { "yellow" } else { "white" };
writeln!(
out,
"node{i}[label=\"{} {}\" color={color}]",
node.kind,
ty::Display::new(tys, files, node.ty)
)?;
for (j, &o) in node.outputs.iter().enumerate() {
let color = if self.is_cfg(i) && self.is_cfg(o) { "red" } else { "lightgray" };
let index = self[o].inputs.iter().position(|&inp| i == inp).unwrap();
let style = if index == 0 && !self.is_cfg(o) { "style=dotted" } else { "" };
writeln!(
out,
"node{o} -> node{i}[color={color} taillabel={index} headlabel={j} {style}]",
)?;
}
}
Ok(())
}
#[allow(dead_code)]
fn graphviz(&self, tys: &Types, files: &[parser::Ast]) {
let out = &mut String::new();
_ = self.graphviz_low(tys, files, out);
log::info!("{out}");
}
fn gcm(&mut self) {
self.visited.clear(self.values.len());
push_up(self);
@ -436,6 +473,7 @@ impl Nodes {
Kind::Call { func } => {
write!(out, "call: {func} {} ", self[node].depth)
}
Kind::Global { global } => write!(out, "glob: {global:<5}"),
Kind::Entry => write!(out, "ctrl: {:<5}", "entry"),
Kind::Then => write!(out, "ctrl: {:<5}", "then"),
Kind::Else => write!(out, "ctrl: {:<5}", "else"),
@ -808,6 +846,10 @@ pub enum Kind {
BinOp {
op: lexer::TokenKind,
},
// [ctrl]
Global {
global: ty::Global,
},
// [ctrl, ...args]
Call {
func: ty::Func,
@ -931,7 +973,6 @@ impl Scope {
#[derive(Default)]
struct ItemCtx {
file: FileId,
id: ty::Id,
ret: Option<ty::Id>,
task_base: usize,
nodes: Nodes,
@ -946,7 +987,7 @@ struct ItemCtx {
}
impl ItemCtx {
fn init(&mut self, file: FileId, id: ty::Id, ret: Option<ty::Id>, task_base: usize) {
fn init(&mut self, file: FileId, ret: Option<ty::Id>, task_base: usize) {
debug_assert_eq!(self.loops.len(), 0);
debug_assert_eq!(self.scope.vars.len(), 0);
debug_assert_eq!(self.ret_relocs.len(), 0);
@ -955,7 +996,6 @@ impl ItemCtx {
debug_assert_eq!(self.code.len(), 0);
self.file = file;
self.id = id;
self.ret = ret;
self.task_base = task_base;
@ -1109,6 +1149,14 @@ impl ItemCtx {
});
self.emit(instrs::jal(reg::RET_ADDR, reg::ZERO, 0));
}
Kind::Global { global } => {
let reloc = Reloc::new(self.code.len(), 3, 4);
self.relocs.push(TypedReloc {
target: ty::Kind::Global(global).compress(),
reloc,
});
self.emit(instrs::lra(atr(allocs[0]), 0, 0));
}
Kind::Stck => {
let base = reg::STACK_PTR;
let offset = func.nodes[nid].offset;
@ -1166,7 +1214,13 @@ impl ItemCtx {
saved_regs.len()
}
fn emit_body(&mut self, tys: &mut Types, sig: Sig) {
fn emit_body(&mut self, tys: &mut Types, files: &[parser::Ast], sig: Sig) {
self.nodes.graphviz(tys, files);
self.nodes.gcm();
self.nodes.check_final_integrity();
self.nodes.basic_blocks();
self.nodes.graphviz(tys, files);
'_open_function: {
self.emit(instrs::addi64(reg::STACK_PTR, reg::STACK_PTR, 0));
self.emit(instrs::st(reg::RET_ADDR, reg::STACK_PTR, 0, 0));
@ -1236,10 +1290,6 @@ impl ItemCtx {
}
self.relocs.iter_mut().for_each(|r| r.reloc.offset -= stripped_prelude_size as u32);
self.emit(instrs::jala(reg::ZERO, reg::RET_ADDR, 0));
let ty::Kind::Func(id) = self.id.expand() else { unreachable!() };
tys.ins.funcs[id as usize].code.append(&mut self.code);
tys.ins.funcs[id as usize].relocs.append(&mut self.relocs);
}
}
@ -1273,11 +1323,10 @@ struct Pool {
impl Pool {
pub fn push_ci(
&mut self,
target: &mut ItemCtx,
file: FileId,
id: ty::Id,
ret: Option<ty::Id>,
task_base: usize,
target: &mut ItemCtx,
) {
if let Some(slot) = self.cis.get_mut(self.used_cis) {
core::mem::swap(slot, target);
@ -1285,7 +1334,7 @@ impl Pool {
self.cis.push(ItemCtx::default());
core::mem::swap(self.cis.last_mut().unwrap(), target);
}
target.init(file, id, ret, task_base);
target.init(file, ret, task_base);
self.used_cis += 1;
}
@ -1363,47 +1412,11 @@ pub struct Codegen<'a> {
pool: Pool,
#[expect(dead_code)]
ralloc: Regalloc,
ct: Comptime,
errors: RefCell<String>,
}
impl<'a> Codegen<'a> {
fn graphviz_low(&self, out: &mut String) -> core::fmt::Result {
use core::fmt::Write;
for (i, node) in self.ci.nodes.iter() {
let color = if self.ci.nodes.is_cfg(i) { "yellow" } else { "white" };
writeln!(
out,
"node{i}[label=\"{} {}\" color={color}]",
node.kind,
self.ty_display(node.ty)
)?;
for (j, &o) in node.outputs.iter().enumerate() {
let color = if self.ci.nodes.is_cfg(i) && self.ci.nodes.is_cfg(o) {
"red"
} else {
"lightgray"
};
let index = self.ci.nodes[o].inputs.iter().position(|&inp| i == inp).unwrap();
let style =
if index == 0 && !self.ci.nodes.is_cfg(o) { "style=dotted" } else { "" };
writeln!(
out,
"node{o} -> node{i}[color={color} taillabel={index} headlabel={j} {style}]",
)?;
}
}
Ok(())
}
#[allow(dead_code)]
fn graphviz(&self) {
let out = &mut String::new();
_ = self.graphviz_low(out);
log::info!("{out}");
}
fn store_mem(&mut self, region: Nid, value: Nid) -> Nid {
if value == NEVER {
return NEVER;
@ -1475,8 +1488,20 @@ impl<'a> Codegen<'a> {
}
Expr::Ident { id, pos, .. } => {
let decl = self.find_or_declare(pos, self.ci.file, Ok(id));
todo!()
match decl {
ty::Kind::Global(g) => {
let gl = &self.tys.ins.globals[g as usize];
Some(
Value::ptr(self.ci.nodes.new_node(
gl.ty,
Kind::Global { global: g },
[VOID],
))
.ty(gl.ty),
)
}
_ => todo!("{decl:?}"),
}
}
Expr::Number { value, .. } => Some(self.ci.nodes.new_node_lit(
ctx.ty.filter(|ty| ty.is_integer() || ty.is_pointer()).unwrap_or(ty::Id::INT),
@ -2260,7 +2285,7 @@ impl<'a> Codegen<'a> {
let ast = &self.files[file as usize];
let expr = func.expr.get(ast).unwrap();
self.pool.push_ci(&mut self.ci, file, ty::Kind::Func(id).compress(), Some(sig.ret), 0);
self.pool.push_ci(file, Some(sig.ret), 0, &mut self.ci);
let Expr::BinOp { right: &Expr::Closure { body, args, .. }, .. } = expr else {
unreachable!("{}", self.ast_display(expr))
@ -2276,26 +2301,20 @@ impl<'a> Codegen<'a> {
self.ci.scope.vars.push(Variable { id: arg.id, value, ty, ptr: false });
}
if self.expr(body).is_some() && self.tys.size_of(sig.ret) != 0 {
if self.expr(body).is_some() && sig.ret == ty::Id::VOID {
self.report(
body.pos(),
"expected all paths in the fucntion to return \
or the return type to be zero sized",
or the return type to be 'void'",
);
}
self.ci.finalize();
if self.errors.borrow().is_empty() {
self.graphviz();
self.ci.nodes.gcm();
self.ci.nodes.check_final_integrity();
self.ci.nodes.basic_blocks();
self.graphviz();
self.ci.emit_body(&mut self.tys, sig);
self.ci.emit_body(&mut self.tys, self.files, sig);
self.tys.ins.funcs[id as usize].code.append(&mut self.ci.code);
self.tys.ins.funcs[id as usize].relocs.append(&mut self.ci.relocs);
}
self.pool.pop_ci(&mut self.ci);
@ -2334,7 +2353,7 @@ impl<'a> Codegen<'a> {
),
Err(name) => self.report(pos, fa!("idk indentifier: {name}")),
}
return ty::Kind::Builtin(ty::NEVER);
return ty::Id::NEVER.expand();
};
let key = SymKey::Decl(file, ident);
@ -2398,8 +2417,81 @@ impl<'a> Codegen<'a> {
op: TokenKind::Decl,
right: right @ (Expr::Struct { .. } | Expr::Mod { .. }),
} => self.ty(right).expand(),
Expr::BinOp { left: Expr::Ident { .. }, op: TokenKind::Decl, right } => {
todo!("{right:#?}");
Expr::BinOp { left: &Expr::Ident { id: name, .. }, op: TokenKind::Decl, right } => {
let gid = self.tys.ins.globals.len() as ty::Global;
self.tys.ins.globals.push(Global { file, name, ..Default::default() });
let ty = ty::Kind::Global(gid);
self.pool.push_ci(file, None, self.tasks.len(), &mut self.ci);
let ret = Expr::Return { pos: right.pos(), val: Some(right) };
self.expr(&ret);
self.ci.finalize();
let ret = self.ci.ret.expect("for return type to be infered");
if self.errors.borrow().is_empty() {
self.ci.emit_body(&mut self.tys, self.files, Sig { args: Tuple::empty(), ret });
self.ci.code.truncate(self.ci.code.len() - instrs::jala(0, 0, 0).0);
self.ci.emit(instrs::tx());
let func = Func {
file,
name,
expr: ExprRef::new(expr),
relocs: core::mem::take(&mut self.ci.relocs),
code: core::mem::take(&mut self.ci.code),
..Default::default()
};
self.pool.pop_ci(&mut self.ci);
self.complete_call_graph();
let mut mem = vec![0u8; self.tys.size_of(ret) as usize];
// TODO: return them back
let fuc = self.tys.ins.funcs.len() as ty::Func;
self.tys.ins.funcs.push(func);
self.tys.dump_reachable(fuc, &mut self.ct.code);
#[cfg(debug_assertions)]
{
let mut vc = String::new();
if let Err(e) = self.tys.disasm(&self.ct.code, self.files, &mut vc, |_| {})
{
panic!("{e} {}", vc);
} else {
log::trace!("{}", vc);
}
}
self.ct.vm.write_reg(reg::RET, mem.as_mut_ptr() as u64);
let prev_pc = self.ct.push_pc(self.tys.ins.funcs[fuc as usize].offset);
loop {
match self.ct.vm.run().expect("TODO") {
hbvm::VmRunOk::End => break,
hbvm::VmRunOk::Timer => todo!(),
hbvm::VmRunOk::Ecall => todo!(),
hbvm::VmRunOk::Breakpoint => todo!(),
}
}
self.ct.pop_pc(prev_pc);
match mem.len() {
0 => unreachable!(),
len @ 1..=8 => mem
.copy_from_slice(&self.ct.vm.read_reg(reg::RET).0.to_ne_bytes()[..len]),
9..=16 => todo!(),
_ => {}
}
self.tys.ins.globals[gid as usize].data = mem;
} else {
self.pool.pop_ci(&mut self.ci);
}
self.tys.ins.globals[gid as usize].ty = ret;
ty
}
e => unimplemented!("{e:#?}"),
};
@ -2755,14 +2847,6 @@ impl<'a> Function<'a> {
let mut parama = self.tys.parama(fuc.ret);
for (&(mut i), ti) in node.inputs[1..].iter().zip(fuc.args.range()) {
let ty = self.tys.ins.args[ti];
loop {
match self.nodes[i].kind {
Kind::Stre { .. } => i = self.nodes[i].inputs[2],
Kind::Load { .. } => i = self.nodes[i].inputs[1],
_ => break,
}
debug_assert_ne!(i, 0);
}
match self.tys.size_of(ty) {
0 => continue,
1..=8 => {
@ -2773,6 +2857,14 @@ impl<'a> Function<'a> {
}
9..=16 => todo!("pass in two register"),
_ => {
loop {
match self.nodes[i].kind {
Kind::Stre { .. } => i = self.nodes[i].inputs[2],
Kind::Load { .. } => i = self.nodes[i].inputs[1],
_ => break,
}
debug_assert_ne!(i, 0);
}
debug_assert!(i != 0);
ops.push(regalloc2::Operand::reg_fixed_use(
self.rg(i),
@ -2790,6 +2882,10 @@ impl<'a> Function<'a> {
}
}
}
Kind::Global { .. } => {
let ops = vec![self.drg(nid)];
self.add_instr(nid, ops);
}
//Kind::Stck
// if node.outputs.iter().all(|&n| {
// matches!(self.nodes[n].kind, Kind::Stre | Kind::Load)
@ -3206,7 +3302,7 @@ mod tests {
}
let mut out = Vec::new();
codegen.tys.assemble(&mut out);
codegen.tys.reassemble(&mut out);
let err = codegen.tys.disasm(&out, codegen.files, output, |_| {});
if let Err(e) = err {

9
lang/tests/son_tests_global_variables.txt
View file

@ -0,0 +1,9 @@
main:
LRA r2, r0, :complex_global_var
LD r3, r2, 0a, 8h
ADDI64 r1, r3, 5d
ST r1, r2, 0a, 8h
JALA r0, r31, 0a
code size: 71
ret: 55
status: Ok(())