[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[astrange at ithinksw dot com]

------- Comment #1 from astrange at ithinksw dot com  2008-06-29 07:14 -------
Created an attachment (id=15828)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15828&action=view)
testcase


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663

[Bug rtl-optimization/36663] New: IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[astrange at ithinksw dot com]

> gcc -v
Using built-in specs.
Target: i386-apple-darwin9.3.0
Configured with: ../gcc/configure --prefix=/usr/local/gcc44-ira
--enable-threads=posix --with-arch=core2 --with-tune=core2 --with-gmp=/sw
--with-mpfr=/sw --disable-nls --disable-bootstrap --enable-checking=yes,rtl
CFLAGS=-g LDFLAGS=/usr/lib/libiconv.dylib --enable-languages=c,c++,objc
Thread model: posix
gcc version 4.4.0 20080530 (experimental) (GCC)

> gcc -O3 -fira -S ira-ice.i
ira-ice.i: In function 'avf_sdp_create':
ira-ice.i:59: internal compiler error: in save_call_clobbered_regs, at
caller-save.c:1949
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

This only happens at -O3, not anything below.


-- 
           Summary: IRA ICE in save_call_clobbered_regs at caller-
                    save.c:1949
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: astrange at ithinksw dot com
GCC target triplet: i?86-*-*


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663

[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[vmakarov at gcc dot gnu dot org]

------- Comment #2 from vmakarov at gcc dot gnu dot org  2008-07-07 18:29 -------
Subject: Bug 36663

Author: vmakarov
Date: Mon Jul  7 18:28:37 2008
New Revision: 137586

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=137586
Log:
2008-07-07  Vladimir Makarov  <vmakarov@redhat.com>
        PR target/36663

        * caller-saves.c (free_con_fun_n): Use liveness info.


Modified:
    branches/ira/gcc/ChangeLog
    branches/ira/gcc/caller-save.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663

[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[vmakarov at redhat dot com]

------- Comment #3 from vmakarov at redhat dot com  2008-07-07 18:30 -------
Liveness info was missed in data-flow equation calculation for set free when
the save/restore placement optimization was written. 
Fortunately, the case was catched by an assertion.


The patch solving the problem has been submitted (please see above).


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663

[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[astrange at ithinksw dot com]

------- Comment #4 from astrange at ithinksw dot com  2008-08-27 04:28 -------
Fixed.


-- 

astrange at ithinksw dot com changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663

[Bug rtl-optimization/36663] IRA ICE in save_call_clobbered_regs at caller-save.c:1949

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pinskia at gcc dot gnu dot
                   |                            |org
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36663