From 61f14ffbbc5573ca9a3007c1bfe6e5b03cecfd26 Mon Sep 17 00:00:00 2001
From: Yang Liu <numbksco@gmail.com>
Date: Fri, 12 May 2023 14:13:22 +0800
Subject: [RV64_DYNAREC] Forget mmx float reg only needed (#782)

---
 src/dynarec/rv64/dynarec_rv64_helper.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/dynarec/rv64/dynarec_rv64_helper.c b/src/dynarec/rv64/dynarec_rv64_helper.c
index d61c8001..2743ec71 100644
--- a/src/dynarec/rv64/dynarec_rv64_helper.c
+++ b/src/dynarec/rv64/dynarec_rv64_helper.c
@@ -1230,6 +1230,8 @@ static int isx87Empty(dynarec_rv64_t* dyn)
 // forget ext register for a MMX reg, does nothing if the regs is not loaded
 void mmx_forget_reg(dynarec_rv64_t* dyn, int ninst, int a)
 {
+    if (dyn->e.mmxcache[a] == -1)
+        return;
     FSD(dyn->e.mmxcache[a], xEmu, offsetof(x64emu_t, mmx[a]));
     fpu_free_reg(dyn, dyn->e.mmxcache[a]);
     return;
-- 
cgit 1.4.1