From 44a4945e5c3532dfaccbad3f23622464f0173691 Mon Sep 17 00:00:00 2001
From: "Rong \"Mantle\" Bao" <webmaster@csmantle.top>
Date: Sat, 6 Sep 2025 14:29:28 +0800
Subject: [MIPS] Mark `jalr[.hb] $zero, $ra` as a return instruction

---
 arch/mips/arch_mips.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'arch/mips/arch_mips.cpp')

diff --git a/arch/mips/arch_mips.cpp b/arch/mips/arch_mips.cpp
index 6150e578..51a5d411 100644
--- a/arch/mips/arch_mips.cpp
+++ b/arch/mips/arch_mips.cpp
@@ -332,10 +332,12 @@ protected:
 			result.AddBranch(CallDestination, instr.operands[0].immediate, nullptr, hasBranchDelay);
 			break;
 
-		//Jmp to register register value is unknown
 		case MIPS_JALR:
 		case MIPS_JALR_HB:
-			result.delaySlots = 1;
+			if (instr.operands[0].reg == REG_ZERO && instr.operands[1].reg == REG_RA)
+				result.AddBranch(FunctionReturn, 0, nullptr, hasBranchDelay);
+			else
+				result.AddBranch(UnresolvedBranch, 0, nullptr, hasBranchDelay);
 			break;
 
 		case MIPS_BGEZAL:
-- 
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