From 163d8bda5963fb33a0f97cde92dc1a33c49b1bb4 Mon Sep 17 00:00:00 2001
From: Michel Heily <michelheily@gmail.com>
Date: Mon, 8 Jul 2019 00:58:09 +0300
Subject: [PATCH] Fix not flushing the pipeline for "mov pc, reg" instructions

Former-commit-id: 66136ef70b8f48d5e9f4c10b65f1e2fbd3dd3ea1
---
 src/arm7tdmi/thumb/exec.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/arm7tdmi/thumb/exec.rs b/src/arm7tdmi/thumb/exec.rs
index c26f50a..bec4dbb 100644
--- a/src/arm7tdmi/thumb/exec.rs
+++ b/src/arm7tdmi/thumb/exec.rs
@@ -137,6 +137,9 @@ impl Core {
             let result = self.alu(arm_alu_op, op1, op2, true);
             if let Some(result) = result {
                 self.set_reg(dst_reg, result as u32);
+                if dst_reg == REG_PC {
+                    return Ok(CpuPipelineAction::Flush);
+                }
             }
             Ok(CpuPipelineAction::IncPC)
         }