[Bug target/54061] New: [4.8 Regression] gcc.c-torture/compile/mipscop-1.c ICEs with -g

[Bug target/54061] New: [4.8 Regression] gcc.c-torture/compile/mipscop-1.c ICEs with -g

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

             Bug #: 54061
           Summary: [4.8 Regression] gcc.c-torture/compile/mipscop-1.c
                    ICEs with -g
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: pinskia@gcc.gnu.org


After http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52857#c6, this testcase
started to ICE.  

/home/apinski/src/gcc-fsf/local/gcc/gcc/testsuite/gcc.c-torture/compile/mipscop-1.c:12:1:
internal compiler error: in dbx_reg_number, at dwarf2out.c:9734

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-1.c ICEs with -g

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
             Target|                            |mips*-linux-gnu
      Known to work|                            |4.7.1
   Target Milestone|---                         |4.8.0

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-*.c ICEs with -g

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[4.8 Regression]            |[4.8 Regression]
                   |gcc.c-torture/compile/mipsc |gcc.c-torture/compile/mipsc
                   |op-1.c ICEs with -g         |op-*.c ICEs with -g

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-07-21 07:03:19 UTC ---
FAIL: gcc.c-torture/compile/mipscop-1.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/mipscop-1.c  -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/compile/mipscop-2.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/mipscop-2.c  -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/compile/mipscop-3.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/mipscop-3.c  -O3 -g  (test for excess errors)
FAIL: gcc.c-torture/compile/mipscop-4.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/mipscop-4.c  -O3 -g  (test for excess errors)

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-*.c ICEs with -g

[sje at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

Steve Ellcey <sje at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-08-31
                 CC|                            |sje at gcc dot gnu.org
     Ever Confirmed|0                           |1

--- Comment #2 from Steve Ellcey <sje at gcc dot gnu.org> 2012-08-31 21:27:26 UTC ---
I sent a question to gcc@gcc.gnu.org to see if I could get some idea of how to
fix this bug.

http://gcc.gnu.org/ml/gcc/2012-08/msg00359.html

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-*.c ICEs with -g

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-*.c ICEs with -g

[sje at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

--- Comment #3 from Steve Ellcey <sje at gcc dot gnu.org> 2012-12-10 22:19:22 UTC ---
Author: sje
Date: Mon Dec 10 22:19:16 2012
New Revision: 194372

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194372
Log:
2012-12-10  Steve Ellcey  <sellcey@mips.com>

    PR target/54061
    rtl.h (IGNORED_DWARF_REGNUM): New.
    * dwarf2out.c (reg_loc_descriptor): Check for IGNORED_DWARF_REGNUM.
    (mem_loc_descriptor): Ditto.
    * config/mips/mips.h (ALL_COP_REG_FIRST): New.
    (ALL_COP_REG_LAST): New.
    (ALL_COP_REG_NUM): Redefine using above macros.
    * config/mips/mips.c (mips_option_override): Set mips_dbx_regno
    coprocessor entries to IGNORED_DWARF_REGNUM.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/mips/mips.c
    trunk/gcc/config/mips/mips.h
    trunk/gcc/dwarf2out.c
    trunk/gcc/rtl.h

[Bug target/54061] [4.8 Regression] gcc.c-torture/compile/mipscop-*.c ICEs with -g

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54061

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|                            |FIXED

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-11 16:01:10 UTC ---
Fixed then.