https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110640
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |14.0
Summary|[13/14 Regression] Wrong |[13 Regression] Wrong code
|code at -O2/3 on |at -O2/3 on
|x86_64-linux-gnu since |x86_64-linux-gnu since
|GCC-13 since |GCC-13 since
|r12-1653-gcb448ade74d |r12-1653-gcb448ade74d
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
Depends on| |111445
Status|NEW |ASSIGNED
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> This doesn't reproduce on the trunk since
> r14-4790-g9692309ed6b625f0fb358c0e230404b5603f69a6 anymore. Was that a fix
> for this or just made it latent?
It does look similar enough:
<bb 7> [local count: 118111600]:
k_11 = k_38 + 1;
- _13 = (unsigned char) j_12(D);
- _14 = _13 + 1;
- _15 = (int) _14;
+ _13 = _26;
+ _14 = _28;
+ _15 = _29;
_16 = (int) k_11;
- _17 = _15 + _16;
+ _17 = _29 + 1;
I'll add this testcase as well.
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111445
[Bug 111445] [12 Regression] Wrong code at -Os on x86_64-linux-gnu since
r12-1077-g57bf3751511
