From 1805e311b886abbc1dfa6bba59a6e3a2c453e328 Mon Sep 17 00:00:00 2001
From: drmortalwombat <90205530+drmortalwombat@users.noreply.github.com>
Date: Mon, 15 Aug 2022 22:08:00 +0200
Subject: [PATCH] Add data flow calculation before moving const op ups to fix
 change of used dst temps in other branch

---
 oscar64/InterCode.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/oscar64/InterCode.cpp b/oscar64/InterCode.cpp
index fe5ec6b..b50ee3d 100644
--- a/oscar64/InterCode.cpp
+++ b/oscar64/InterCode.cpp
@@ -6246,7 +6246,13 @@ bool InterCodeBasicBlock::PropagateConstOperationsUp(void)
 							}
 
 							eb->mInstructions.Insert(di, nins);
+							if (ins->mDst.mTemp >= 0)
+								eb->mExitRequiredTemps += ins->mDst.mTemp;
 						}
+
+						if (ins->mDst.mTemp >= 0)
+							mEntryRequiredTemps += ins->mDst.mTemp;
+
 						mInstructions.Remove(i);
 						changed = true;
 					}
@@ -12409,6 +12415,8 @@ void InterCodeProcedure::PropagateConstOperationsUp(void)
 	ResetVisited();
 	mEntryBlock->CollectEntryBlocks(nullptr);
 
+	BuildDataFlowSets();
+
 	bool	changed;
 	do {
 		changed = false;