[Bug rtl-optimization/39110] New: [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[Bug rtl-optimization/39110] New: [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

Revision 143939:

http://gcc.gnu.org/ml/gcc-cvs/2009-02/msg00105.html

caused miscompilation of the fortran compiler on ia64.


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           Summary: [4.4 Regression] Revision 143939  breaks bootstrap on
                    Linux/ia64
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com
GCC target triplet: ia64-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

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hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[bonzini at gnu dot org]

------- Comment #1 from bonzini at gnu dot org  2009-02-05 16:28 -------
Can you please attach .i files for the fortran compiler? thanks


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bonzini at gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-02-05 16:28:00
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

------- Comment #2 from hjl dot tools at gmail dot com  2009-02-05 17:49 -------
Program received signal SIGSEGV, Segmentation fault.
0x400000000006ac11 in gfc_check_interfaces (ns=0x60000000002b05c0)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/interface.c:1301
1301              switch (i)
(gdb) bt
#0  0x400000000006ac11 in gfc_check_interfaces (ns=0x60000000002b05c0)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/interface.c:1301
#1  0x4000000000109330 in resolve_types (ns=0x60000000002b05c0)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/resolve.c:10409
#2  0x4000000000111a00 in gfc_resolve (ns=0x60000000002b05c0)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/resolve.c:10475
#3  0x40000000000e31b0 in gfc_parse_file ()
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/parse.c:3844
#4  0x4000000000161160 in gfc_be_parse_file (set_yydebug=0)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/fortran/f95-lang.c:236
#5  0x40000000006c29a0 in toplev_main (argc=<value optimized out>, 
    argv=<value optimized out>)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/toplev.c:970
#6  0x40000000001f2f70 in main (argc=12, argv=0x60000fffffffb718)
    at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/main.c:36
(gdb) 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

------- Comment #3 from hjl dot tools at gmail dot com  2009-02-05 17:54 -------
Created an attachment (id=17249)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17249&action=view)
Processed gcc/fortran/interface.c 

This file is miscompiled with

-DUSE_LIBUNWIND_EXCEPTIONS -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings
-Wstrict-prototypes -Wmissing-prototypes -Wcast-qual -Wold-style-definition
-Wc++-compat -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror   -DHAVE_CONFIG_H 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[bonzini at gnu dot org]

------- Comment #4 from bonzini at gnu dot org  2009-02-05 18:14 -------
*** Bug 39101 has been marked as a duplicate of this bug. ***


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bonzini at gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |danglin at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

------- Comment #5 from hjl dot tools at gmail dot com  2009-02-05 18:25 -------
Every strict alignment platform is broken.


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hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
 GCC target triplet|ia64-linux-gnu              |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[bonzini at gcc dot gnu dot org]

------- Comment #6 from bonzini at gnu dot org  2009-02-05 18:29 -------
Subject: Bug 39110

Author: bonzini
Date: Thu Feb  5 18:29:11 2009
New Revision: 143971

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143971
Log:
2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/39110
        * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
        addresses, not aligned ones.


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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[bonzini at gnu dot org]

------- Comment #7 from bonzini at gnu dot org  2009-02-05 18:30 -------
patch committed, please close it as soon as you can confirm it is fixed.


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bonzini at gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|critical                    |major
             Status|NEW                         |WAITING
           Priority|P1                          |P3


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[sje at cup dot hp dot com]

------- Comment #8 from sje at cup dot hp dot com  2009-02-05 20:41 -------
My IA64 HP-UX bootstrap worked but my IA64 Linux bootstrap failed.  When
building libgfortran the configure script tried to compile:

|       program foo
|       real, parameter :: bar = sin (12.34 / 2.5)
|       end program foo

and the Fortran compiler gave a seg fault.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[sje at cup dot hp dot com]

------- Comment #9 from sje at cup dot hp dot com  2009-02-05 20:45 -------
Ack, my HP-UX and Linux builds were from two different source trees.  The HP-UX
build that worked had the patch, the Linux build that failed did not have the
patch applied.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[hjl dot tools at gmail dot com]

------- Comment #10 from hjl dot tools at gmail dot com  2009-02-05 20:50 -------
Linux/ia64 is OK now:

http://gcc.gnu.org/ml/gcc-testresults/2009-02/msg00543.html


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hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical
             Status|WAITING                     |RESOLVED
           Priority|P3                          |P1
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110

[Bug rtl-optimization/39110] [4.4 Regression] Revision 143939 breaks bootstrap on Linux/ia64

[rguenth at gcc dot gnu dot org]

------- Comment #11 from rguenth at gcc dot gnu dot org  2009-07-14 09:33 -------
Subject: Bug 39110

Author: rguenth
Date: Tue Jul 14 09:32:55 2009
New Revision: 149620

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=149620
Log:
2009-07-14  Richard Guenther  <rguenther@suse.de>

        Backport from mainline
        2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/39110
        * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
        addresses, not aligned ones.

        2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
            Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/37889
        * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
        Move offset handling from PLUS to before the switch.  Use new
        arguments when considering SYMBOL_REFs too.
        (rtx_addr_can_trap_p): Pass dummy offset and size.
        (enum may_trap_p_flags): Remove.
        (may_trap_p_1): Pass size from MEM_SIZE.

        PR rtl-optimization/38921
        * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
        * rtl.h (may_trap_after_code_motion_p): Delete prototype.
        * rtlanal.c (may_trap_after_code_motion_p): Delete.
        (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

Modified:
    branches/gcc-4_3-branch/gcc/ChangeLog
    branches/gcc-4_3-branch/gcc/loop-invariant.c
    branches/gcc-4_3-branch/gcc/rtl.h
    branches/gcc-4_3-branch/gcc/rtlanal.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39110