Bug 133820

Summary: new gcc miscompile
Product: [openSUSE] SUSE Linux 10.1 Reporter: Dirk Mueller <dmueller>
Component: DevelopmentAssignee: Michael Matz <matz>
Status: RESOLVED INVALID QA Contact: E-mail List <qa-bugs>
Severity: Normal    
Priority: P5 - None CC: rguenther
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
Whiteboard:
Found By: Other Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---
Attachments: testcase

Description Dirk Mueller 2005-11-15 12:33:17 UTC 
superlu hangs during build in an endless loop. attaching testcase.
Comment 1 Dirk Mueller 2005-11-15 12:34:00 UTC 
Created attachment 57361 [details]
testcase

compile with -O1 or -O2 to get the assertion, with -O0 to make it pass.
Comment 2 Richard Biener 2005-11-15 12:42:28 UTC 
This is caused by excess precision aka famous gcc PR323.  Compile with -mfpmath=sse -msse2 to get a working testcase.