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authorYang Liu <numbksco@gmail.com>2023-05-12 14:13:22 +0800
committerGitHub <noreply@github.com>2023-05-12 08:13:22 +0200
commit61f14ffbbc5573ca9a3007c1bfe6e5b03cecfd26 (patch)
tree2e3cb29477dea80ec28b5d5aa66a1d659d8f2abd /src
parent377a55f60f6dca906402825df3634f4ec20da217 (diff)
downloadbox64-61f14ffbbc5573ca9a3007c1bfe6e5b03cecfd26.tar.gz
box64-61f14ffbbc5573ca9a3007c1bfe6e5b03cecfd26.zip
[RV64_DYNAREC] Forget mmx float reg only needed (#782)
Diffstat (limited to 'src')
-rw-r--r--src/dynarec/rv64/dynarec_rv64_helper.c2
1 files changed, 2 insertions, 0 deletions
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;