https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #13 from Jakub Jelinek ---
Other cases where that is true are operator_mult (both op1 and op2),
operator_divide, operator_trunc_mod, operator_abs, operator_absu.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #12 from Aldy Hernandez ---
Absolutely, but I didn't want to pollute the patch for this PR. Consider
the patch to do so pre-approved :-).
On Sat, Oct 2, 2021, 00:20 jakub at gcc dot gnu.org <
gcc-bugzi...@gcc.gnu.org> wrote:
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
Aldy Hernandez changed:
What|Removed |Added
Resolution|--- |FIXED
Status|NEW
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #9 from CVS Commits ---
The master branch has been updated by Aldy Hernandez :
https://gcc.gnu.org/g:5f9ccf17de7f7581412c6bffd4a37beca9a79836
commit r12-4088-g5f9ccf17de7f7581412c6bffd4a37beca9a79836
Author: Aldy Hernandez
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #8 from Andrew Macleod ---
On 10/1/21 5:18 AM, aldyh at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
>
> Aldy Hernandez changed:
>
> What|Removed |Added
>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #7 from Zhendong Su ---
(In reply to Aldy Hernandez from comment #6)
> (In reply to Richard Biener from comment #4)
> > I think it's similar to in the other PR, with old EVRP when visiting BB 8
>
> BTW, which is this other PR, so I
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #6 from Aldy Hernandez ---
(In reply to Richard Biener from comment #4)
> I think it's similar to in the other PR, with old EVRP when visiting BB 8
BTW, which is this other PR, so I may see if my work for this PR fixes that
one?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
Aldy Hernandez changed:
What|Removed |Added
Last reconfirmed||2021-10-01
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
--- Comment #4 from Richard Biener ---
(In reply to Aldy Hernandez from comment #2)
> By VRP1 we seem to be calculating the following:
>
> (f_8 << f_8) && (f_8 == 0)
>
> This would fold to false, which would elide the foo():
>
> [local
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102546
Andrew Pinski changed:
What|Removed |Added
Target Milestone|--- |12.0
Summary|Missed Dead
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