> the new STV pass generates SSE instructions in 32-bit mode very late in the
> pipeline and doesn't bother about realigning the stack, so it wreaks havoc on
> OSes where you need to realign the stack, e.g. Windows, but I guess Solaris is
> equally affected. Therefore the attached patch disables it if -mstackrealign
> is enabled (the option is automatically enabled on Windows and Solaris when
> SSE support is enabled), as already done for -mpreferred-stack-boundary={2,3}
> and -mincoming-stack-boundary={2,3}.
>
> Tested on x86/Windows, OK for mainline and 6 branch?
>
>
> 2016-08-31 Eric Botcazou <ebotca...@adacore.com>
>
> * config/i386/i386.c (ix86_option_override_internal): Also disable the
> STV pass if -mstackrealign is enabled.
OK for mainline and gcc-6 branch.
Thanks,
Uros.
