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 16a3a3b3..2296611e 100644 --- a/src/emu/x64run.c +++ b/src/emu/x64run.c @@ -721,7 +721,13 @@ x64emurun: } } else { if(rex.w) { - GD->q[0] = native_lock_xchg_dd(ED, GD->q[0]); + if((uintptr_t)ED&7) { + // not aligned, dont't try to "LOCK" + tmp64u = ED->q[0]; + ED->q[0] = GD->q[0]; + GD->q[0] = tmp64u; + } else + GD->q[0] = native_lock_xchg_dd(ED, GD->q[0]); } else { if((uintptr_t)ED&3) { // not aligned, dont't try to "LOCK" |