[Bug tree-optimization/45101] New: [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[Bug tree-optimization/45101] New: [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[zsojka at seznam dot cz]

Command line:
$ gcc O[123s] -fgcse -fgcse-las testcase.c

Compiler output:
$ gcc -O -fgcse -fgcse-las testcase.c
testcase.c: In function 'foo':
testcase.c:11:1: internal compiler error: in insert_expr_in_table, at
gcse.c:1213
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://bugs.gentoo.org/> for instructions.

Tested revisions:
r162598 - crash
r162456 - OK


-- 
           Summary: [4.6 Regression] ICE: in insert_expr_in_table, at
                    gcse.c:1213 with -gcse-las
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: zsojka at seznam dot cz
  GCC host triplet: x86_64-pc-linux-gnu
GCC target triplet: x86_64-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug tree-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[zsojka at seznam dot cz]

------- Comment #1 from zsojka at seznam dot cz  2010-07-28 08:28 -------
Created an attachment (id=21330)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21330&action=view)
reduced testcase

Most of the files I tested crash with -fgcse-las.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug tree-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mkuvyrkov at gcc dot gnu dot
                   |                            |org
   Target Milestone|---                         |4.6.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug tree-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #2 from mkuvyrkov at gcc dot gnu dot org  2010-07-28 10:03 -------
This is due to a silly mistake of mine.  I got operand ordering of
insert_expr_in_table() wrong for -fgcse-las case.  Will check in an obvious
patch in several minutes.


-- 

mkuvyrkov at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |mkuvyrkov at gcc dot gnu dot
                   |dot org                     |org
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2010-07-28 10:03:06
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug rtl-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #3 from mkuvyrkov at gcc dot gnu dot org  2010-07-28 10:10 -------
Subject: Bug 45101

Author: mkuvyrkov
Date: Wed Jul 28 10:09:53 2010
New Revision: 162622

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162622
Log:
        PR rtl-optimization/45101
        * gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
        for gcse-las.

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


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug rtl-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #4 from mkuvyrkov at gcc dot gnu dot org  2010-07-28 10:14 -------
Should be fixed by the above patch.


-- 

mkuvyrkov at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug rtl-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[jakub at gcc dot gnu dot org]

------- Comment #5 from jakub at gcc dot gnu dot org  2010-07-28 10:17 -------
Could you please commit the testcase too?


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug rtl-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #6 from mkuvyrkov at gcc dot gnu dot org  2010-07-28 10:32 -------
Done.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101

[Bug rtl-optimization/45101] [4.6 Regression] ICE: in insert_expr_in_table, at gcse.c:1213 with -gcse-las

[mkuvyrkov at gcc dot gnu dot org]

------- Comment #7 from mkuvyrkov at gcc dot gnu dot org  2010-07-28 10:32 -------
Subject: Bug 45101

Author: mkuvyrkov
Date: Wed Jul 28 10:32:10 2010
New Revision: 162623

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=162623
Log:
        PR rtl-optimization/45101
        * gcc.dg/pr45101.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr45101.c
Modified:
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45101