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| 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 /qemu-coroutine.c | |
| parent | 8c3ac601bdaf8d4d81823a79f2a166b586db7dab (diff) | |
| download | focaccia-qemu-e77f083292916ba43b940fdacd2fc1001b750d1d.tar.gz focaccia-qemu-e77f083292916ba43b940fdacd2fc1001b750d1d.zip | |
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 'qemu-coroutine.c')
0 files changed, 0 insertions, 0 deletions