https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
PeteVine changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #7 from PeteVine ---
Thanks for pointing that out! I was using my bash history to change the CFLAGS
and when I was flipping the crc switch I didn't notice I'd picked a version
without -frename-registers, hence this wrong conclusion :)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #6 from Andrew Pinski ---
(In reply to PeteVine from comment #5)
> Turns out the GCC 8 regression is caused by the +crc switch in
> -march=armv8-a+crc. Interesting, eh?
+crc should not cause any code generation difference ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #5 from PeteVine ---
Turns out the GCC 8 regression is caused by the +crc switch in
-march=armv8-a+crc. Interesting, eh?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #4 from PeteVine ---
> I'm not sure what you're trying to measure here - it's very confusing with
> multiple overlapping options (O3/Ofast/tree-vectorize), -mcpu/-march. Is it
> related to -fipa-pta or is that not relevant?
All the
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #3 from wilco at gcc dot gnu.org ---
(In reply to PeteVine from comment #2)
> I can confirm the first part of the issue gets fixed with this patch:
>
> https://gcc.gnu.org/ml/gcc-patches/2017-04/msg01415.html
There are a few more div
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
--- Comment #2 from PeteVine ---
I can confirm the first part of the issue gets fixed with this patch:
https://gcc.gnu.org/ml/gcc-patches/2017-04/msg01415.html
but there's a regression in gcc8 concerning the second part. (or rather the
workarou
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79964
PeteVine changed:
What|Removed |Added
CC||wilco at gcc dot gnu.org
--- Comment #1 from
