https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92155
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92155
--- Comment #4 from Martin Sebor ---
Author: msebor
Date: Fri Oct 18 22:26:39 2019
New Revision: 277194
URL: https://gcc.gnu.org/viewcvs?rev=277194&root=gcc&view=rev
Log:
PR tree-optimization/92157 - incorrect strcmp() == 0 result for unknown st
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92155
--- Comment #3 from Martin Sebor ---
Actually, the memcpy is transformed to MEM_REF and the strlen pass knows how to
deal with a subset of those (small powers of 2). What it doesn't know how to
do yet is deal with other sizes like in the test ca
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92155
--- Comment #2 from Martin Sebor ---
The inequality (__builtin_strlen (a4) != 0) is folded into (a4[0] != 0) very
early on during Gimplification so the strlen pass never sees it.
What the strlen pass should be able to do is fold strlen(a4) below
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92155
prathamesh3492 at gcc dot gnu.org changed:
What|Removed |Added
CC||prathamesh3492 at gcc
