target-i386: Preserve the Z bit for bt/bts/btr/btc
commitdc1823ce26f0539eab098e0209400d793ef66279
authorRichard Henderson <rth@twiddle.net>
Wed, 9 Apr 2014 20:51:41 +0000 (9 13:51 -0700)
committerRichard Henderson <rth@twiddle.net>
Mon, 12 May 2014 21:20:04 +0000 (12 14:20 -0700)
tree123f42441e2cbc900aa5a20862fb50de9e2a2b8b
parent06b4f00d53637f2c16a62c2cbaa30bffb045cf88
target-i386: Preserve the Z bit for bt/bts/btr/btc

Older Intel manuals (pre-2010) and current AMD manuals describe Z as
undefined, but newer Intel manuals describe Z as unchanged.

Cc: qemu-stable@nongnu.org
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
target-i386/translate.c