https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83827
--- Comment #4 from Hongtao.liu ---
(In reply to Hongtao.liu from comment #2)
> For f, pass_combine failed
>
> Trying 20, 21 -> 22:
>20: clobber r83:TI
>21: r83:TI#0=r88:DI
> REG_DEAD r88:DI
>22: r83:TI#8=r89:DI
> REG_DE
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83827
--- Comment #3 from Hongtao.liu ---
(In reply to Hongtao.liu from comment #2)
> For f, pass_combine failed
>
Because pass_combine assmuber insn to be SET or parallel SET, but here is
CLOBBER.
/* Can combine only if previous insn is a SET of
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83827
--- Comment #2 from Hongtao.liu ---
For f, pass_combine failed
Trying 20, 21 -> 22:
20: clobber r83:TI
21: r83:TI#0=r88:DI
REG_DEAD r88:DI
22: r83:TI#8=r89:DI
REG_DEAD r89:DI
Can't combine i2 into i3
(insn 20 6 21 2 (clobb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83827
Andrew Pinski changed:
What|Removed |Added
Severity|normal |enhancement
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83827
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
