[Bug bootstrap/51974] New: GCC fails to bootstrap with --enable-checking=release on opensuse

[Bug bootstrap/51974] New: GCC fails to bootstrap with --enable-checking=release on opensuse

[nenad at intrepid dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

             Bug #: 51974
           Summary: GCC fails to bootstrap with --enable-checking=release
                    on opensuse
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: nenad@intrepid.com
              Host: Opensuse 12.1 x86_64
            Target: x86_64-unknown-linux-gnu


I tried to build the latest trunk (183442) with --enable-checking=release on
the Opensuse 12.1 x86_64 host. Checking between stage2 and stage3 fails. 

Bootstrap comparison failure!
gcc/tree-ssa-dom.o differs
gcc/tree-ssa-structalias.o differs
gcc/final.o differs
gcc/combine.o differs
gcc/reload1.o differs
gcc/tree-ssa-ccp.o differs
gcc/tree-ssa.o differs

This version passes on Fedora Core 15 x86_64. Anyone seen this? I am seeing the
following differences:

reload1.o:stage2

    30b4:    0f 1f 40 00              nopl   0x0(%rax)
    30b8:    41 8b 57 08              mov    0x8(%r15),%edx
    30bc:    83 c2 7d                 add    $0x7d,%edx
    30bf:    e9 7c fe ff ff           jmpq   2f40
<_ZL16free_for_value_pi12machine_modei11reload_typeP7rtx_defS2_ii+0x1c0>

    b0d4:    0f 1f 40 00              nopl   0x0(%rax)
    b0d8:    48 63 f6                 movslq %esi,%rsi
    b0db:    48 29 70 18              sub    %rsi,0x18(%rax)
    b0df:    e9 3c fe ff ff           jmpq   af20
<_ZL19elimination_effectsP7rtx_def12machine_mode+0xe0>


reload1.o:stage3
    30c8:    41 8b 57 08              mov    0x8(%r15),%edx
    30cc:    83 c2 7d                 add    $0x7d,%edx
    30cf:    e9 7c fe ff ff           jmpq   2f50
<_ZL16free_for_value_pi12machine_modei11reload_typeP7rtx_defS2_ii+0x1c0>
    30d4:    0f 1f 40 00              nopl   0x0(%rax)

    b0e8:    48 63 f6                 movslq %esi,%rsi
    b0eb:    48 29 70 18              sub    %rsi,0x18(%rax)
    b0ef:    e9 3c fe ff ff           jmpq   af30
<_ZL19elimination_effectsP7rtx_def12machine_mode+0xe0>
    b0f4:    0f 1f 40 00              nopl   0x0(%rax)

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |build, wrong-code
          Component|bootstrap                   |target
   Target Milestone|---                         |4.7.0
            Summary|GCC fails to bootstrap with |[4.7 Regression] GCC fails
                   |--enable-checking=release   |to bootstrap with
                   |on opensuse                 |--enable-checking=release
                   |                            |on opensuse

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

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

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

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-25 21:15:38 UTC ---
Bootstraps just fine with --enable-checking=release for me on Fedora.
Richard, can you reproduce on OpenSUSE?

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-26 15:14:23 UTC ---
I can reproduce random comparison failures as well, even with checking enabled,
on openSUSE Factory x86_64.  I wasn't yet able to reproduce them locally
though.
I'm trying again.

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-30 22:15:25 UTC ---
Please try
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041#c17
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041#c18
patches.

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[nenad at intrepid dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

--- Comment #4 from Nenad Vukicevic <nenad at intrepid dot com> 2012-01-31 05:34:54 UTC ---
(In reply to comment #3)
> Please try
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041#c17
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041#c18
> patches.

I applied both patches and I was able to rebuild the trunk on 
opensuse 12.1. Thank you.

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-31 08:41:53 UTC ---
Author: jakub
Date: Tue Jan 31 08:41:46 2012
New Revision: 183751

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183751
Log:
    PR bootstrap/52041
    PR bootstrap/52039
    PR target/51974
    * ree.c (add_removable_extension): Change def_map argument
    to unsigned *, store in def_map 1 + offset into *insn_list vector
    instead of pointers into the vector.
    (find_removable_extensions): Adjust caller.

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

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-31 10:06:57 UTC ---
Author: jakub
Date: Tue Jan 31 10:06:50 2012
New Revision: 183753

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183753
Log:
    PR bootstrap/52041
    PR bootstrap/52039
    PR target/51974
    * ipa-prop.c (detect_type_change_1): Call ao_ref_init.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-prop.c

[Bug target/51974] [4.7 Regression] GCC fails to bootstrap with --enable-checking=release on opensuse

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51974

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-31 10:07:50 UTC ---
Fixed.