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* Re: optimization/2903: Optimization bug with long long arithmetic
@ 2002-01-27 16:16 Craig Rodrigues
0 siblings, 0 replies; 4+ messages in thread
From: Craig Rodrigues @ 2002-01-27 16:16 UTC (permalink / raw)
To: rearnsha; +Cc: gcc-prs
The following reply was made to PR optimization/2903; it has been noted by GNATS.
From: Craig Rodrigues <rodrigc@mediaone.net>
To: gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org, sean@mcneil.com,
gcc-bugs@gcc.gnu.org, rearnsha@gcc.gnu.org
Cc:
Subject: Re: optimization/2903: Optimization bug with long long arithmetic
Date: Sun, 27 Jan 2002 19:14:37 -0500
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Was the patch submitted in this PR applied to gcc or not?
Can we close this PR?
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=2903
--
Craig Rodrigues
http://www.gis.net/~craigr
rodrigc@mediaone.net
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Was the patch submitted in this PR applied to gcc or not?
<br>Can we close this PR?
<p><A HREF="http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&amp;pr=2903">http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&amp;pr=2903</A>
<pre>--
Craig Rodrigues
<A HREF="http://www.gis.net/~craigr">http://www.gis.net/~craigr</A>
rodrigc@mediaone.net</pre>
</html>
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: optimization/2903: Optimization bug with long long arithmetic
@ 2001-07-16 2:36 Richard Earnshaw
0 siblings, 0 replies; 4+ messages in thread
From: Richard Earnshaw @ 2001-07-16 2:36 UTC (permalink / raw)
To: rearnsha; +Cc: gcc-prs
The following reply was made to PR optimization/2903; it has been noted by GNATS.
From: Richard Earnshaw <rearnsha@arm.com>
To: Sean McNeil <sean@mcneil.com>
Cc: rearnsha@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org,
nobody@gcc.gnu.org
Subject: Re: optimization/2903: Optimization bug with long long arithmetic
Date: Mon, 16 Jul 2001 10:29:00 +0100
> The tail end portion of the patch causes a build error. I am building
> the compiler now without it and will let you know if it works.
>
> ***************
> *** 9236,9243 ****
>
> ;; V5E instructions.
>
> ! (define_insn "prefetch"
> ! [(unspec_volatile
> [(match_operand:SI 0 "offsettable_memory_operand" "o")]
> VUNSPEC_PREFETCH)] "TARGET_ARM && arm_arch5e"
> "pld\\t%0")
> --- 9236,9242 ----
>
> ;; V5E instructions.
>
> ! (define_insn "ppec_volatile
> [(match_operand:SI 0 "offsettable_memory_operand" "o")]
> VUNSPEC_PREFETCH)] "TARGET_ARM && arm_arch5e"
> "pld\\t%0")
>
I've no idea where that came from. It certainly isn't a change I remember
making, and it is definitely wrong anyway.
Thanks for pointing out the problem.
R
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: optimization/2903: Optimization bug with long long arithmetic
@ 2001-07-11 10:53 rearnsha
0 siblings, 0 replies; 4+ messages in thread
From: rearnsha @ 2001-07-11 10:53 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, nobody, rearnsha, sean
Synopsis: Optimization bug with long long arithmetic
Responsible-Changed-From-To: unassigned->rearnsha
Responsible-Changed-By: rearnsha
Responsible-Changed-When: Wed Jul 11 10:53:40 2001
Responsible-Changed-Why:
Mine
State-Changed-From-To: open->feedback
State-Changed-By: rearnsha
State-Changed-When: Wed Jul 11 10:53:40 2001
State-Changed-Why:
Please try the attached patch
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view&pr=2903&database=gcc
^ permalink raw reply [flat|nested] 4+ messages in thread
* optimization/2903: Optimization bug with long long arithmetic
@ 2001-05-22 11:56 sean
0 siblings, 0 replies; 4+ messages in thread
From: sean @ 2001-05-22 11:56 UTC (permalink / raw)
To: gcc-gnats
>Number: 2903
>Category: optimization
>Synopsis: Optimization bug with long long arithmetic
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue May 22 11:56:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: Sean McNeil
>Release: 3.1 20010522 (experimental)
>Organization:
>Environment:
Linux 2.4.3 host cross compile to arm-wrs-vxworks
>Description:
The attached code produces incorrect results when compiled at -O2 yet is correct without the -On option.
>How-To-Repeat:
compiled with
arm-wrs-vxworks-gcc -c -O2 bad_result.c
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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^ permalink raw reply [flat|nested] 4+ messages in thread
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2002-01-27 16:16 optimization/2903: Optimization bug with long long arithmetic Craig Rodrigues
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2001-07-16 2:36 Richard Earnshaw
2001-07-11 10:53 rearnsha
2001-05-22 11:56 sean
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