imxyy1soope1/nixjit
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feat: lookup at downgrade time

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works, but leaks memory
This commit is contained in:
imxyy_soope_
2025-06-01 09:20:04 +08:00
parent 7d6168fdae
commit 20b2b6f1ef
20 changed files with 762 additions and 651 deletions
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45
src/jit/mod.rs
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@@ -199,7 +199,7 @@ impl<'gc> JITContext<'gc> {
pub fn compile_seq(
&self,
opcodes: impl ExactSizeIterator<Item = OpCode> + DoubleEndedIterator,
mut opcodes: impl ExactSizeIterator<Item = OpCode>,
vm: &'gc VM<'gc>,
) -> Result<JITFunc<'gc>> {
let mut stack = Stack::<_, STACK_SIZE>::new();
@@ -211,7 +211,7 @@ impl<'gc> JITContext<'gc> {
let entry = self.context.append_basic_block(func_, "entry");
self.builder.position_at_end(entry);
let len = opcodes.len();
self.build_expr(&mut opcodes.rev(), vm, env, mc, &mut stack, func_, len)?;
self.build_expr(&mut opcodes, vm, env, mc, &mut stack, func_, len)?;
assert_eq!(stack.len(), 1);
let value = stack.pop();
@@ -437,6 +437,47 @@ impl<'gc> JITContext<'gc> {
_ => todo!("BinOp::{:?} not implemented in JIT", op),
}
}
OpCode::Arg { level } => stack.push(
self.builder
.build_direct_call(
self.helpers.arg,
&[
self.helpers
.ptr_int_type
.const_int(level as u64, false)
.into(),
env.into(),
],
"call_arg",
)
.unwrap()
.try_as_basic_value()
.left()
.unwrap(),
)?,
OpCode::LookUpLet { level, idx } => stack.push(
self.builder
.build_direct_call(
self.helpers.lookup_let,
&[
self.helpers
.ptr_int_type
.const_int(level as u64, false)
.into(),
self.helpers
.ptr_int_type
.const_int(idx as u64, false)
.into(),
env.into(),
],
"call_lookup_let",
)
.unwrap()
.try_as_basic_value()
.left()
.unwrap(),
)?,
OpCode::LookUp { sym } => stack.push(
self.builder
.build_direct_call(