korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-20 01:24:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

KVM: x86 emulator: simplify REX.W check

Browse Source 
(x && (x & y)) == (x & y)

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2010-08-01 14:42:51 +03:00
parent d4709c78ee
commit 1e87e3efe7
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/x86/kvm/emulate.c
View File

@ -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];