https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Andrew Pinski changed:
What|Removed |Added
CC||b.buschinski at googlemail dot
com
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Andrew Pinski changed:
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CC||llvm at rifkin dot dev
--- Comment #11 f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
--- Comment #10 from Jakub Jelinek ---
That is just one specific special case, it can be anything else, like
case 7: p[14] = 1; break;
case 8: p[13] = 1; break;
case 9: p[12] = 1; break;
case 10: p[11] = 1; break;
etc.
I think there are advantage
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
--- Comment #9 from rguenther at suse dot de ---
On December 14, 2020 12:19:32 PM GMT+01:00, "jakub at gcc dot gnu.org"
wrote:
>https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
>
>--- Comment #7 from Jakub Jelinek ---
>Looking at godbolt and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Jakub Jelinek changed:
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CC||law at gcc dot gnu.org
--- Comment #8 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
--- Comment #7 from Jakub Jelinek ---
Looking at godbolt and LLVM release notes, this optimization appeared in LLVM 9
and looks to be a switch optimization:
LLVM can now sink similar instructions to a common successor block also when
the instruc
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Martin Liška changed:
What|Removed |Added
Status|ASSIGNED|NEW
Assignee|marxin at gcc dot
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Martin Liška changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot
gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
--- Comment #4 from Martin Sebor ---
Only (1) would be true. Like the optimization, the warning wouldn't trigger in
code that didn't follow the pattern because there's no way to tell if that's
deliberate or a bug.
I'd expect the warning to be u
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Joseph C. Sible changed:
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CC||josephcsible at gmail dot com
--- Comm
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Martin Sebor changed:
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CC||msebor at gcc dot gnu.org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96245
Richard Biener changed:
What|Removed |Added
Last reconfirmed||2020-07-20
CC|
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