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[Bug target/69857] gcc/config/arm/arm.c:15949: return in strange place ?
- From: "dcb314 at hotmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 18 May 2016 15:19:27 +0000
- Subject: [Bug target/69857] gcc/config/arm/arm.c:15949: return in strange place ?
- Auto-submitted: auto-generated
- References: <bug-69857-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69857
--- Comment #8 from David Binderman <dcb314 at hotmail dot com> ---
(In reply to ktkachov from comment #7)
> Yes, that's an approach that can be taken. Once such a case is found, you
> could also try using a reducer program like creduce to create a small
> testcase appropriate for the testsuite.
>
> Removing the return there would probably be an optimisation, which is why I
> recommended it for GCC 7. GCC 6 is now in a regression fixing stage, so for
> it to go in now we would need to find a testcase where we were performing an
> optimisation before r197530 and after r197530 (with the bogus return) we
> stopped doing. Considering that r197530 was supposed to introduce that
> optimisation, it's unlikely that such a case can be found.
GCC 6 has been produced. Time to remove this return ?