diff options
| author | Boris Figovsky <boris.figovsky@ravellosystems.com> | 2011-08-30 10:00:55 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> | 2011-09-02 11:08:44 +0100 |
| commit | c6bfc164e8f929e1e6a79f7b5a3cf096b22ef5f3 (patch) | |
| tree | cdef47e029336ea1cd56178c2e9ce192404352a9 /target-i386 | |
| parent | 6f9faa91f5fb3a866f5bf592207c9498a017740d (diff) | |
| download | qemu-c6bfc164e8f929e1e6a79f7b5a3cf096b22ef5f3.tar.gz | |
x86: fix daa opcode for al register values higher than 0xf9
The second if statement should consider the original al register value,
and not the new one.
Signed-off-by: Boris Figovsky <boris.figovksy@ravellosystems.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/op_helper.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/target-i386/op_helper.c b/target-i386/op_helper.c index 1bbc3b56dc..1fc248fa17 100644 --- a/target-i386/op_helper.c +++ b/target-i386/op_helper.c @@ -1970,20 +1970,20 @@ void helper_aas(void) void helper_daa(void) { - int al, af, cf; + int old_al, al, af, cf; int eflags; eflags = helper_cc_compute_all(CC_OP); cf = eflags & CC_C; af = eflags & CC_A; - al = EAX & 0xff; + old_al = al = EAX & 0xff; eflags = 0; if (((al & 0x0f) > 9 ) || af) { al = (al + 6) & 0xff; eflags |= CC_A; } - if ((al > 0x9f) || cf) { + if ((old_al > 0x99) || cf) { al = (al + 0x60) & 0xff; eflags |= CC_C; } |