https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
H.J. Lu changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
H.J. Lu changed:
What|Removed |Added
Host||ubizjak at gmail dot com
--- Comment #2 from H
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
--- Comment #3 from H.J. Lu ---
It is caused by r266358.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
--- Comment #4 from H.J. Lu ---
The removed insn is insn 35 in:
;; basic block 8, loop depth 0, count 114863532 (estimated locally), maybe hot
;; prev block 7, next block 1, flags: (REACHABLE, HOT_PARTITION, RTL)
;; pred: 7 [always] cou
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
--- Comment #5 from H.J. Lu ---
zveroupper pass drops:
(insn 36 37 51 8 (use (reg/i:DI 0 ax)) "x.i":8:1 -1
(nil))
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
--- Comment #6 from H.J. Lu ---
(In reply to H.J. Lu from comment #3)
> It is caused by r266358.
The nop INSN can be removed by split_all_insns later:
if (INSN_P (insn))
{
rtx set = single_set (insn);
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90178
--- Comment #7 from Paolo Carlini ---
The Component field is wrong, right?
