[Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha

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* [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
@ 2012-09-20 17:32 ubizjak at gmail dot com
  2012-09-20 17:33 ` [Bug rtl-optimization/54644] " ubizjak at gmail dot com
                   ` (7 more replies)
  0 siblings, 8 replies; 9+ messages in thread
From: ubizjak at gmail dot com @ 2012-09-20 17:32 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

             Bug #: 54644
           Summary: [4.8 Regression] r191484 causes FAIL:
                    gcc.c-torture/execute/multi-ix.c execution,  -O1 on
                    alpha
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ubizjak@gmail.com
            Target: alphaev68-unknown-linux-gnu


Release r191484 [1] causes

FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 
FAIL: gcc.c-torture/execute/multi-ix.c execution,  -Og -g 

on alphaev68-pc-linux-gnu.

[1] http://gcc.gnu.org/ml/gcc-cvs/2012-09/msg00641.html


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
@ 2012-09-20 17:33 ` ubizjak at gmail dot com
  2012-09-20 17:48 ` ubizjak at gmail dot com
                   ` (6 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ubizjak at gmail dot com @ 2012-09-20 17:33 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ebotcazou at gcc dot
                   |                            |gnu.org

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-09-20 17:33:23 UTC ---
Adding CC.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
  2012-09-20 17:33 ` [Bug rtl-optimization/54644] " ubizjak at gmail dot com
@ 2012-09-20 17:48 ` ubizjak at gmail dot com
  2012-09-20 17:51 ` ubizjak at gmail dot com
                   ` (5 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ubizjak at gmail dot com @ 2012-09-20 17:48 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-09-20 17:48:00 UTC ---
Created attachment 28232
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28232
Preprocessed source


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
  2012-09-20 17:33 ` [Bug rtl-optimization/54644] " ubizjak at gmail dot com
  2012-09-20 17:48 ` ubizjak at gmail dot com
@ 2012-09-20 17:51 ` ubizjak at gmail dot com
  2012-09-20 17:54 ` ubizjak at gmail dot com
                   ` (4 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ubizjak at gmail dot com @ 2012-09-20 17:51 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

--- Comment #3 from Uros Bizjak <ubizjak at gmail dot com> 2012-09-20 17:50:30 UTC ---
Created attachment 28233
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28233
Failing assembly, created with r191512


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
                   ` (2 preceding siblings ...)
  2012-09-20 17:51 ` ubizjak at gmail dot com
@ 2012-09-20 17:54 ` ubizjak at gmail dot com
  2012-09-20 22:43 ` ebotcazou at gcc dot gnu.org
                   ` (3 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ubizjak at gmail dot com @ 2012-09-20 17:54 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

--- Comment #4 from Uros Bizjak <ubizjak at gmail dot com> 2012-09-20 17:53:46 UTC ---
Created attachment 28235
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28235
Good assembly, created with r191512, backed-out r191484


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution,  -O1 on alpha
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
                   ` (3 preceding siblings ...)
  2012-09-20 17:54 ` ubizjak at gmail dot com
@ 2012-09-20 22:43 ` ebotcazou at gcc dot gnu.org
  2012-09-20 22:46 ` [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1 ebotcazou at gcc dot gnu.org
                   ` (2 subsequent siblings)
  7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2012-09-20 22:43 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-09-20
     Ever Confirmed|0                           |1

--- Comment #5 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-20 22:43:13 UTC ---
Confirmed, there are a couple of ldah clobbering $2.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
                   ` (4 preceding siblings ...)
  2012-09-20 22:43 ` ebotcazou at gcc dot gnu.org
@ 2012-09-20 22:46 ` ebotcazou at gcc dot gnu.org
  2012-09-21 11:07 ` ebotcazou at gcc dot gnu.org
  2012-09-21 11:09 ` ebotcazou at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2012-09-20 22:46 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|ebotcazou at gcc dot        |
                   |gnu.org                     |
         AssignedTo|unassigned at gcc dot       |ebotcazou at gcc dot
                   |gnu.org                     |gnu.org
   Target Milestone|---                         |4.8.0
            Summary|[4.8 Regression] r191484    |[4.8 Regression] failure of
                   |causes FAIL:                |gcc.c-torture/execute/multi
                   |gcc.c-torture/execute/multi |-ix.c at -O1
                   |-ix.c execution,  -O1 on    |
                   |alpha                       |

--- Comment #6 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-20 22:45:51 UTC ---
Mine I guess.


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
                   ` (5 preceding siblings ...)
  2012-09-20 22:46 ` [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1 ebotcazou at gcc dot gnu.org
@ 2012-09-21 11:07 ` ebotcazou at gcc dot gnu.org
  2012-09-21 11:09 ` ebotcazou at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2012-09-21 11:07 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

--- Comment #7 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-21 11:06:56 UTC ---
Author: ebotcazou
Date: Fri Sep 21 11:06:51 2012
New Revision: 191609

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191609
Log:
    PR rtl-optimization/54290
    PR rtl-optimization/54644
    * reload1.c (choose_reload_regs): Fix thinko in previous change.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reload1.c


^ permalink raw reply	[flat|nested] 9+ messages in thread

* [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1
  2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
                   ` (6 preceding siblings ...)
  2012-09-21 11:07 ` ebotcazou at gcc dot gnu.org
@ 2012-09-21 11:09 ` ebotcazou at gcc dot gnu.org
  7 siblings, 0 replies; 9+ messages in thread
From: ebotcazou at gcc dot gnu.org @ 2012-09-21 11:09 UTC (permalink / raw)
  To: gcc-bugs


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54644

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-09-21 11:09:02 UTC ---
Reopen if not.


^ permalink raw reply	[flat|nested] 9+ messages in thread

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2012-09-20 17:32 [Bug rtl-optimization/54644] New: [4.8 Regression] r191484 causes FAIL: gcc.c-torture/execute/multi-ix.c execution, -O1 on alpha ubizjak at gmail dot com
2012-09-20 17:33 ` [Bug rtl-optimization/54644] " ubizjak at gmail dot com
2012-09-20 17:48 ` ubizjak at gmail dot com
2012-09-20 17:51 ` ubizjak at gmail dot com
2012-09-20 17:54 ` ubizjak at gmail dot com
2012-09-20 22:43 ` ebotcazou at gcc dot gnu.org
2012-09-20 22:46 ` [Bug rtl-optimization/54644] [4.8 Regression] failure of gcc.c-torture/execute/multi-ix.c at -O1 ebotcazou at gcc dot gnu.org
2012-09-21 11:07 ` ebotcazou at gcc dot gnu.org
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