thumb: Fix overflowing multiplication

Former-commit-id: 5dbd45f9fd3811726aad9c32444f0dcf42d0b8be
2019-07-13 23:33:37 +03:00 · 2019-07-13 23:33:37 +03:00 · f08da850c7
parent ab8c067616
commit f08da850c7
1 changed files with 1 additions and 1 deletions
--- a/src/arm7tdmi/thumb/exec.rs
+++ b/src/arm7tdmi/thumb/exec.rs
@ -82,7 +82,7 @@ impl Core {
        for _ in 0..m {
            self.add_cycle();
        }
-        self.gpr[insn.rd()] = (op1 * op2) as u32;
+        self.gpr[insn.rd()] = op1.wrapping_mul(op2) as u32;
        Ok(CpuPipelineAction::IncPC)
    }