Bug 113661 - [14 Regression] xalancbmk miscompiled on aarch64 since r14-7194-g6cb155a6cf3142
Summary: [14 Regression] xalancbmk miscompiled on aarch64 since r14-7194-g6cb155a6cf3142
Status: RESOLVED DUPLICATE of bug 113588
Alias: None
Product: gcc
Classification: Unclassified
Component: tree-optimization (show other bugs)
Version: 14.0
: P3 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL:
Keywords: wrong-code
Depends on:
Blocks:
 
Reported: 2024-01-29 17:23 UTC by Alex Coplan
Modified: 2024-01-30 08:06 UTC (History)
2 users (show)

See Also:
Host:
Target: aarch64-*-*
Build:
Known to work:
Known to fail:
Last reconfirmed:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Alex Coplan 2024-01-29 17:23:57 UTC 
xalancbmk (both from SPEC 2006 and SPEC 2017) seems to be miscompiled on aarch64 since r14-7194-g6cb155a6cf314232248a12bdd395ed4151ae5a28 i.e.

commit 6cb155a6cf314232248a12bdd395ed4151ae5a28 (refs/bisect/bad)
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Fri Jan 12 15:24:49 2024 +0000

    middle-end: make memory analysis for early break more deterministic [PR113135]

I see:

*** Miscompare of ref-t5.out

with the options -Ofast -fomit-frame-pointer -mcpu=neoverse-v1 -flto=auto .
Comment 1 Tamar Christina 2024-01-29 17:26:57 UTC 
duplicate

*** This bug has been marked as a duplicate of bug 112644 ***
Comment 2 Tamar Christina 2024-01-29 17:28:01 UTC 

*** This bug has been marked as a duplicate of bug 113576 ***
Comment 3 Tamar Christina 2024-01-29 17:29:36 UTC 
arg wrong one again. anyway, this is a duplicate

*** This bug has been marked as a duplicate of bug 113588 ***