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luaur_code_gen/methods/
assembly_builder_x_64_movsx.rs

1use crate::enums::category_x_64::CategoryX64;
2use crate::enums::size_x_64::SizeX64;
3use crate::macros::codegen_assert::CODEGEN_ASSERT;
4use crate::records::assembly_builder_x_64::AssemblyBuilderX64;
5use crate::records::operand_x_64::OperandX64;
6use crate::records::register_x_64::RegisterX64;
7
8impl AssemblyBuilderX64 {
9    pub fn movsx(&mut self, lhs: RegisterX64, rhs: OperandX64) {
10        if self.log_text {
11            self.log_c_char_operand_x_64_operand_x_64(c"movsx".as_ptr(), OperandX64::reg(lhs), rhs);
12        }
13
14        let size = if rhs.cat == CategoryX64::reg {
15            rhs.base.size()
16        } else {
17            rhs.memSize
18        };
19
20        if !(size == SizeX64::byte || size == SizeX64::word) {
21            luaur_common::LUAU_DEBUGBREAK!();
22        }
23
24        self.place_rex_register_x_64_operand_x_64(lhs, rhs);
25        self.place(0x0f);
26        self.place(if size == SizeX64::byte { 0xbe } else { 0xbf });
27        self.place_reg_and_mod_reg_mem(OperandX64::reg(lhs), rhs, 0);
28        self.commit();
29    }
30}