1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/util.cpp b/arch/powerpc/util.cpp
index 50c3eb5b..5e37f735 100644
--- a/arch/powerpc/util.cpp
+++ b/arch/powerpc/util.cpp
@@ -85,4 +85,17 @@ void printInstructionVerbose(decomp_result *res)
 	}
 }
 
+uint64_t sign_extend(size_t addressSize_local, uint64_t target, int signBit)
+{
+	if ((target >> signBit) & 1)
+	{
+		target = target | (~((1 << signBit) - 1));
+	}
+
+	if (addressSize_local == 4)
+	{
+		target = target & 0xffffffff;
+	}
+	return target;
+}