diff options
| author | Richard Henderson <rth@twiddle.net> | 2013-02-25 11:41:39 -0800 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-02-25 14:32:36 -0600 |
| commit | e77f083292916ba43b940fdacd2fc1001b750d1d (patch) | |
| tree | ac7fd7f25acb15e0f1d182130d8df59ff417dfd9 /fsdev/qemu-fsdev-opts.c | |
| parent | 8c3ac601bdaf8d4d81823a79f2a166b586db7dab (diff) | |
target-arm: Fix sbc_CC carry
While T0+~T1+CF = T0-T1+CF-1 is true for the low 32-bits,
it does not produce the correct carry-out to bit 33. Do
exactly what the manual says.
Using the ~T1 makes the add and subtract code paths nearly
identical, so have sbc_CC use adc_CC.
Cc: Peter Maydell <peter.maydell@linaro.org>
Reported-by: Laurent Desnogues <laurent.desnogues@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'fsdev/qemu-fsdev-opts.c')
0 files changed, 0 insertions, 0 deletions