slackbuilds/games/mupen64plus-rsp-parallel/9586367.patch

23 lines
754 B
Diff

From 95863671a332886c01e60a148821c7b9bf94dea7 Mon Sep 17 00:00:00 2001
From: Logan McNaughton <848146+loganmc10@users.noreply.github.com>
Date: Sun, 24 Jul 2022 09:00:25 -0600
Subject: [PATCH] Fix undefined behavior in LUI
---
rsp_jit.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/rsp_jit.cpp b/rsp_jit.cpp
index 372319c..a0e1c36 100644
--- a/rsp_jit.cpp
+++ b/rsp_jit.cpp
@@ -1422,7 +1422,7 @@ void CPU::jit_instruction(jit_state_t *_jit, uint32_t pc, uint32_t instr,
unsigned rt = (instr >> 16) & 31;
NOP_IF_RT_ZERO();
int16_t imm = int16_t(instr);
- regs.immediate_mips_register(_jit, rt, imm << 16);
+ regs.immediate_mips_register(_jit, rt, uint16_t(imm) << 16);
regs.unlock_mips_register(rt);
break;
}