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feat(ir): 新增 MOV/SPILL/UNSPILL opcode 登记 + 构造 API + 契约层（D-06/D-07）

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爱特每羊队
2026-08-06 16:34:25 +08:00
parent 38d6c7a60e
commit fc4924c2c9
3 changed files with 81 additions and 0 deletions
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crates/oxide_bytecode/src/opcode.rs
+9
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@@ -64,6 +64,9 @@ define_opcodes! {
COMPOUND_DIV = 0x09 => "COMPOUND_DIV",
COMPOUND_MOD = 0x0A => "COMPOUND_MOD",
COMPOUND_EXP = 0x0B => "COMPOUND_EXP",
MOV = 0x0C => "MOV", // rd=dst, a=src（寄存器复制，D-07，区间拆分搬值）
SPILL = 0x0D => "SPILL", // rd=src, ext=[slot u16]（溢出写 VM spill 栈，D-06）
UNSPILL = 0x0E => "UNSPILL", // rd=dst, ext=[slot u16]（从 VM spill 栈恢复，D-06）
// -- Comparison (0x10-0x1F) --
EQ = 0x10 => "EQ",
@@ -322,8 +325,14 @@ mod tests {
assert_eq!(OpCode::STRICT_EQ as u8, 0x1A);
assert_eq!(OpCode::JMP_IF_NULLISH as u8, 0x8F);
assert_eq!(OpCode::VOID as u8, 0xF3);
assert_eq!(OpCode::MOV as u8, 0x0C);
assert_eq!(OpCode::SPILL as u8, 0x0D);
assert_eq!(OpCode::UNSPILL as u8, 0x0E);
assert_eq!(OpCode::ADD.to_string(), "ADD");
assert_eq!(OpCode::COMPOUND_MEMBER_EXP.to_string(), "COMPOUND_MEMBER_EXP");
assert_eq!(OpCode::MOV.to_string(), "MOV");
assert_eq!(OpCode::SPILL.to_string(), "SPILL");
assert_eq!(OpCode::UNSPILL.to_string(), "UNSPILL");
assert!(OpCode::try_from(0x1B).is_err());
assert!(OpCode::try_from(0xFF).is_err());