java/1123: optimization bug

java/1123: optimization bug

[gback]

>Number:         1123
>Category:       java
>Synopsis:       optimization bug with -fexpensive-optimizations
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    apbianco
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Dec 20 12:06:17 PST 2000
>Closed-Date:    Sun Mar 05 16:42:17 PST 2000
>Last-Modified:  Sun Mar  5 21:00:00 PST 2000
>Originator:     what is an originator again? What's being originated? The bug or the report?
>Release:        unknown-1.0
>Organization:
>Environment:
Linux/x86 current CVS
>Description:
Please refer to this mail
http://sourceware.cygnus.com/ml/java-discuss/1999-q4/msg00452.html
>How-To-Repeat:
See URL above
>Fix:
I do not know
>Release-Note:
I am unable to reproduce this with the current compiler from cvs.
Presumably this was a generic ia32 backend bug which has since
been fixed.
>Audit-Trail:

Formerly PR gcj/116


From: Bryce McKinlay <bryce@albatross.co.nz>
To: gback@cs.utah.edu
Cc: java-gnats@sourceware.cygnus.com
Subject: Re: gcj/116: optimization bug
Date: Mon, 06 Dec 1999 19:52:40 +1300

 FWIW, I can reproduce this in the current cvs gcc, but not in 2.95.2.
 
 regards
 
   [ bryce ]
 
 
State-Changed-From-To: open->closed
State-Changed-By: bryce
State-Changed-When: Sun Mar  5 16:42:17 2000
State-Changed-Why:
    Not reproducable with current build (20000305)

From: bryce@albatross.co.nz
To: apbianco@cygnus.com, gback@cs.utah.edu, java-gnats@sourceware.cygnus.com
Cc:  
Subject: Re: gcj/116
Date: 6 Mar 2000 00:42:17 -0000

 Old Synopsis: optimization bug
 New Synopsis: optimization bug with -fexpensive-optimizations
 
 State-Changed-From-To: open->closed
 State-Changed-By: bryce
 State-Changed-When: Sun Mar  5 16:42:17 2000
 State-Changed-Why:
     Not reproducable with current build (20000305)
 
 http://sourceware.cygnus.com/cgi-bin/gnatsweb.pl?cmd=view&pr=116&database=java

From: Godmar Back <gback@cs.utah.edu>
To: bryce@albatross.co.nz
Cc: apbianco@cygnus.com, gback@cs.utah.edu, java-gnats@sourceware.cygnus.com
Subject: Re: gcj/116
Date: Sun, 5 Mar 2000 21:55:16 -0700 (MST)

 I assume this was the bug with wrong sign extension code on the x86
 for some boolean operations?
 Why don't you add this test (or an equivalent test) to the regression
 test suite? 
 
 	- Godmar
 
 > 
 > Old Synopsis: optimization bug
 > New Synopsis: optimization bug with -fexpensive-optimizations
 > 
 > State-Changed-From-To: open->closed
 > State-Changed-By: bryce
 > State-Changed-When: Sun Mar  5 16:42:17 2000
 > State-Changed-Why:
 >     Not reproducable with current build (20000305)
 > 
 > http://sourceware.cygnus.com/cgi-bin/gnatsweb.pl?cmd=view&pr=116&database=java
 > 
 
>Unformatted: