luaur-code-gen 0.1.0

Native (A64/X64) code generation for Luau (Rust).
Documentation 
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use crate::enums::builtin_impl_type::BuiltinImplType;
use crate::enums::ir_cmd::IrCmd;
use crate::enums::ir_condition::IrCondition;
use crate::functions::builtin_check_int_64::builtin_check_int_64;
use crate::functions::builtin_load_int_64::builtin_load_int_64;
use crate::records::builtin_impl_result::BuiltinImplResult;
use crate::records::ir_builder::IrBuilder;
use crate::records::ir_op::IrOp;

pub fn translate_builtin_int_64_compare(
    build: &mut IrBuilder,
    nparams: i32,
    ra: i32,
    arg: i32,
    args: IrOp,
    nresults: i32,
    pcpos: i32,
    cond: IrCondition,
) -> BuiltinImplResult {
    if nparams < 2 || nresults > 1 {
        return BuiltinImplResult {
            r#type: BuiltinImplType::None,
            actual_result_count: -1,
        };
    }

    let vm_reg_arg = build.vm_reg(arg as u8);
    builtin_check_int_64(build, vm_reg_arg, pcpos);
    builtin_check_int_64(build, args, pcpos);

    let va = builtin_load_int_64(build, vm_reg_arg);
    let vb = builtin_load_int_64(build, args);

    let cond_op = build.cond(cond);
    let result = build.inst_ir_cmd_ir_op_ir_op_ir_op(IrCmd::CMP_INT64, va, vb, cond_op);

    let vm_reg_ra = build.vm_reg(ra as u8);
    let tag_value = build.const_tag(1); // LUA_TBOOLEAN
    build.inst_ir_cmd_ir_op_ir_op(IrCmd::STORE_INT, vm_reg_ra, result);
    build.inst_ir_cmd_ir_op_ir_op(IrCmd::STORE_TAG, vm_reg_ra, tag_value);

    BuiltinImplResult {
        r#type: BuiltinImplType::Full,
        actual_result_count: 1,
    }
}