[Bug tree-optimization/105618] [11/12/13 Regression] Missed loop body simplification by -O3 (trunk v.s. 10.3)
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue May 17 06:57:08 GMT 2022
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105618
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Summary|Missed loop body |[11/12/13 Regression]
|simplification by -O3 |Missed loop body
|(trunk v.s. 10.3) |simplification by -O3
| |(trunk v.s. 10.3)
Target Milestone|--- |11.4
Last reconfirmed| |2022-05-17
Keywords| |missed-optimization,
| |needs-bisection
Known to fail| |11.3.1, 12.1.1
Ever confirmed|0 |1
Known to work| |10.3.1
Status|UNCONFIRMED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. GCC 10 manages to sink the load from e out of the loop while GCC 12
fails to do that.
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