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[Bug bootstrap/51860] [4.7 regression] s390 esa mode bootstrap comparison failure since transactional memory branch merge
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 16 Jan 2012 00:06:26 +0000
- Subject: [Bug bootstrap/51860] [4.7 regression] s390 esa mode bootstrap comparison failure since transactional memory branch merge
- Auto-submitted: auto-generated
- References: <bug-51860-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51860
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-16 00:06:26 UTC ---
Created attachment 26335
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26335
pr51860.ii
Partly reduced testcase.
g++ -O2 -mesa -fcompare-debug pr51860.ii
Unfortunately, delta is quite slow to reduce it even further than this (most
probably because it depends on the inter insn distances to hit the literal pool
insertion at the exact spot).