Mask from next_instruction_pointer instead of the instruction

o1-labs · Dec 6, 2023 · d24bbc6 · d24bbc6
1 parent dd989db
commit d24bbc6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/optimism/src/mips/interpreter.rs b/optimism/src/mips/interpreter.rs
@@ -702,7 +702,7 @@ pub fn interpret_jtype<Env: InterpreterEnv>(env: &mut Env, instr: JTypeInstructi
     let instruction_pointer_high_bits = {
         // FIXME: Requires a range check
         let pos = env.alloc_scratch();
-        unsafe { env.bitmask(&instruction, 32, 28, pos) }
+        unsafe { env.bitmask(&next_instruction_pointer, 32, 28, pos) }
     };
     let target_addr =
         (instruction_pointer_high_bits * Env::constant(1 << 28)) + (addr * Env::constant(1 << 2));