diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/emu/x64run.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/emu/x64run.c b/src/emu/x64run.c index f9f6e14e..16a3a3b3 100644 --- a/src/emu/x64run.c +++ b/src/emu/x64run.c @@ -723,7 +723,13 @@ x64emurun: if(rex.w) { GD->q[0] = native_lock_xchg_dd(ED, GD->q[0]); } else { - GD->q[0] = native_lock_xchg_d(ED, GD->dword[0]); + if((uintptr_t)ED&3) { + // not aligned, dont't try to "LOCK" + tmp32u = ED->dword[0]; + ED->dword[0] = GD->dword[0]; + GD->q[0] = tmp32u; + } else + GD->q[0] = native_lock_xchg_d(ED, GD->dword[0]); } } #else |