Hello Filip Kastl,

Sorry for the delay in responding to your message.

Filip Kastl <fka...@suse.cz> writes:

> I got an automated mail about this GCC regression related to one of my 
> commits.
>
> https://linaro.atlassian.net/browse/GNU-1578
>
> The mail itself mentioned only a testsuite regression.  I fixed that.  
> However,
> this was also linked in the mail:
>
> https://ci.linaro.org/job/tcwg_bootstrap_build--master-arm-bootstrap_profiled-build/817/artifact/artifacts/notify/mail-body.txt/*view*/
>
> That looks like a different regression.  As far as I can tell, `make
> profiledbootstrap` is failing on arm.  I have only very limited access to arm
> machines.  I tried to reproduce this on an Aarch64 machine and didn't succeed.

I've been trying to reproduce this problem, but it's not so simple.
I wasn't able to reproduce it on a Graviton 3 machine with armv8l
userspace, but succeeded on a Mt Jade machine with armv8l. But then only
using our CI's scripts not when building manually (even if I'm using the
same configure and make commands). I'm still digging into it.

> Could you check that this regression is still present on current trunk and/or
> help me reproduce it?

I can't say whether trunk has this regression because I'm hitting
another issue when building this compiler configuration on trunk
gimple-match-6.cc:

/path/to/gcc.git/./prev-gcc/xg++ <tons of options> -o gimple-match-6.o 
gimple-match-6.cc
/tmp/ccR6Swju.s: Assembler messages:
/tmp/ccR6Swju.s:241032: Error: conditional branch out of range
/tmp/ccR6Swju.s:241115: Error: conditional branch out of range
/tmp/ccR6Swju.s:254075: Error: conditional branch out of range
/tmp/ccR6Swju.s:254339: Error: conditional branch out of range
/tmp/ccR6Swju.s:254459: Error: conditional branch out of range

I'll see if I can find a recent commit without this problem.

> Btw the "Instructions to reproduce the build" link doesn't work for me.  I get
> "Request is not authorized".
> https://git-us.linaro.org/toolchain/ci/interesting-commits.git/plain/gcc/sha1/1381a5114788a2e9234ff54e0cd7a3c810f0d02d/tcwg_gcc_check/master-aarch64/reproduction_instructions.txt

We're in the middle of migrating our CI's git repos to GitLab. Maybe
that is related to your problem, but I have to check.

-- 
Thiago
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