[Bug middle-end/46844] New: [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[Bug middle-end/46844] New: [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

           Summary: [4.6 Regression] regrename.c:312:22: error: unused
                    parameter 'reg'
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Keywords: build
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa-unknown-linux-gnu
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa-unknown-linux-gnu


/home/dave/gnu/gcc/objdir/./prev-gcc/xgcc
-B/home/dave/gnu/gcc/objdir/./prev-gcc/
-B/home/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/bin/
-B/home/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/bin/
-B/home/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/lib/ -isystem
/home/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/include -isystem
/home/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/sys-include    -c   -g -O2 -DIN_GCC
  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes
-Wmissing-forma
t-attribute -pedantic -Wno-long-long -Wno-variadic-macros
-Wno-overlength-string
s -Werror -Wold-style-definition -Wc++-compat -fno-common  -DHAVE_CONFIG_H -I.
-I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I../../gcc/gcc/
../libcpp/include  -I../../gcc/gcc/../libdecnumber
-I../../gcc/gcc/../libdecnumb
er/dpd -I../libdecnumber    ../../gcc/gcc/regrename.c -o regrename.o
../../gcc/gcc/regrename.c: In function 'check_new_reg_p':
../../gcc/gcc/regrename.c:312:22: error: unused parameter 'reg'
[-Werror=unused-
parameter]cc1: all warnings being treated as errors

dave@hiauly6:~/gnu/gcc/objdir/prev-gcc$ ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa-linux
Configured with: ../gcc/configure --with-gnu-as --with-gnu-ld --enable-shared
--prefix=/home/dave/opt/gnu/gcc/gcc-4.6.0
--with-local-prefix=/home/dave/opt/gnu --enable-threads=posix
--enable-__cxa_atexit --build=hppa-linux --enable-clocale=gnu
--enable-java-gc=boehm --enable-java-awt=xlib
--with-host-libstdcxx=/usr/lib/libstdc++.so.6
--enable-languages=c,c++,objc,fortran,obj-c++,java,ada
Thread model: posix
gcc version 4.6.0 20101207 (experimental) [trunk revision 167551] (GCC)

[Bug middle-end/46844] [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.6.0

[Bug middle-end/46844] [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2010.12.08 12:27:29
         AssignedTo|unassigned at gcc dot       |jakub at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-08 12:27:29 UTC ---
Created attachment 22684
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22684
gcc46-pr46844.patch

Obvious patch I'm going to check in soon.

[Bug middle-end/46844] [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-08 16:43:18 UTC ---
Author: jakub
Date: Wed Dec  8 16:43:14 2010
New Revision: 167596

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167596
Log:
    PR middle-end/46844
    * regrename.c (check_new_reg_p): Add ATTRIBUTE_UNUSED to reg
    parameter.

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

[Bug middle-end/46844] [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

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

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

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-12-08 16:46:42 UTC ---
Fixed.

[Bug middle-end/46844] [4.6 Regression] regrename.c:312:22: error: unused parameter 'reg'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46844

--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-12-09 17:00:32 UTC ---
Author: rguenth
Date: Thu Dec  9 17:00:19 2010
New Revision: 167649

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167649
Log:
2010-12-09  Richard Guenther  <rguenther@suse.de>

    PR middle-end/46844
    * gimple-fold.c (canonicalize_constructor_val): Canonicalize
    addresses.

    * gcc.c-torture/compile/pr46866.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr46866.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog