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miniruby --zjit -e nil runs through iseq_to_ssa

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Alan Wu 2025-02-06 12:10:43 -05:00 • committed by Takashi Kokubun
parent 0f9557e9a7
commit 1d95139bf6
Notes: git 2025-04-18 13:49:48 +00:00
4 changed files with 37 additions and 5 deletions
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7
zjit/src/ir.rs
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@ -158,7 +158,7 @@ fn to_ssa(opcodes: &Vec<RubyOpcode>) -> Function {
result
}
fn iseq_to_ssa(iseq: *const rb_iseq_t) -> Function {
pub fn iseq_to_ssa(iseq: *const rb_iseq_t) {
let mut result = Function::new();
let mut state = FrameState::new();
let block = result.entry_block;
@ -206,13 +206,14 @@ fn iseq_to_ssa(iseq: *const rb_iseq_t) -> Function {
YARVINSN_leave => {
result.push_insn(block, Insn::Return { val: state.pop() });
}
_ => todo!(),
_ => eprintln!("zjit: unknown opcode {opcode}"),
}
// Move to the next instruction to compile
insn_idx += insn_len(opcode as usize);
}
return result;
dbg!(result);
return;
fn get_arg(pc: *const VALUE, arg_idx: isize) -> VALUE {
unsafe { *(pc.offset(arg_idx + 1)) }

4
zjit/src/lib.rs
View file

@ -25,7 +25,7 @@ pub extern "C" fn rb_zjit_parse_option() -> bool {
}
#[no_mangle]
pub extern "C" fn rb_zjit_iseq_gen_entry_point(_iseq: IseqPtr, _ec: EcPtr) -> *const u8 {
println!("compiling zjit");
pub extern "C" fn rb_zjit_iseq_gen_entry_point(iseq: IseqPtr, _ec: EcPtr) -> *const u8 {
ir::iseq_to_ssa(iseq);
std::ptr::null()
}