Kyrill Tkachov <kyrylo.tkac...@arm.com> writes:
> On 10/09/15 12:43, Rainer Orth wrote:
>> Hi Kyrill,
>>
>>> Rainer, could you please check that this patch still fixes the SPARC
>>> regressions?
>> unfortunately, it breaks sparc-sun-solaris2.10 bootstrap: compiling
>> stage2 libiberty/regex.c FAILs:
>>
>>
>
> Thanks for providing the preprocessed file.
> I've reproduced and fixed the ICE in this version of the patch.
> The problem was that I was taking the mode of x before the check
> of whether a and b are MEMs, after which we would change x to an
> address_mode reg,
> thus confusing emit_move_insn.
>
> The fix is to take the mode of x and perform the can_conditionally_move_p
> check
> after that transformation.
>
> Bootstrapped and tested on aarch64 and x86_64.
> The preprocessed regex.i that Rainer provided now compiles successfully for me
> on a sparc-sun-solaris2.10 stage-1 cross-compiler.
>
> Rainer, thanks for your help so far, could you please try out this patch?
While bootstrap succeeds again, the testsuite regression in
gcc.c-torture/execute/20071216-1.c reoccured.
Rainer
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
