diff options
| author | Avi Kivity <avi@redhat.com> | 2010-08-01 14:42:51 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:50:34 +0200 |
| commit | 1e87e3efe764285133866a14ddc71cf211f022c2 (patch) | |
| tree | 9e514242f2b0802863f8c77f755a90ed47960494 /arch/x86/kvm/emulate.c | |
| parent | d4709c78eeff2b272e0b9727748b72371b0e71ab (diff) | |
KVM: x86 emulator: simplify REX.W check
(x && (x & y)) == (x & y)
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 7d2c715f1a2a..a832019138f3 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2358,9 +2358,8 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt) done_prefixes: /* REX prefix. */ - if (c->rex_prefix) - if (c->rex_prefix & 8) - c->op_bytes = 8; /* REX.W */ + if (c->rex_prefix & 8) + c->op_bytes = 8; /* REX.W */ /* Opcode byte(s). */ opcode = opcode_table[c->b]; |