On Sun, Nov 10, 2013 at 5:45 PM, Eric Botcazou <ebotca...@adacore.com> wrote:
>> Attached patch fixes an oversight in mode-switching. For blocks
>> without ANY mode requirements, we have to consider instructions with
>> MODE_AFTER mode changes. If the exiting mode from the block is
>> different that no_mode (the mode we start), we have to mark the block
>> as nontransparent.
>>
>> 2013-11-08 Uros Bizjak <ubiz...@gmail.com>
>>
>> * mode-switching.c (optimize_mode_switching): Mark block as
>> nontransparent, if last_mode at block exit is different from no_mode.
>>
>> Bootstrapped and regression tested on x86_64-pc-linux-gnu {,-m32}
>> core-avx-i configured bootstrap.
>>
>> OK for mainline and branches?
>
> OK for mainline and 4.8 branch, if you complete the comment just above, for
> example "from no_mode, in which case we need to..."
Thanks, I have committed attached patch. I will wait a couple of days
to see if the patch causes any problems with other mode-switching
targets before backporting it to 4.8.
Uros.
