[Bug tree-optimization/53098] New: [4.8 Regression] tree-vect-loop.c:1414:19: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]

[Bug tree-optimization/53098] New: [4.8 Regression] tree-vect-loop.c:1414:19: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53098

             Bug #: 53098
           Summary: [4.8 Regression] tree-vect-loop.c:1414:19: error:
                    comparison between signed and unsigned integer
                    expressions [-Werror=sign-compare]
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa-unknown-linux-gnu
            Target: hppa-unknown-linux-gnu
             Build: hppa-unknown-linux-gnu


/home/dave/gnu/gcc/objdir/./prev-gcc/g++
-B/home/dave/gnu/gcc/objdir/./prev-gcc/
-B/home/dave/opt/gnu/gcc/gcc-4.7.0/hppa-linux-gnu/bin/ -nostdinc++
-B/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/src/.libs
-B/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/include/hppa-linux-gnu
-I/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/include
-I/home/dave/gnu/gcc/gcc/libstdc++-v3/libsupc++
-L/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/src/.libs
-L/home/dave/gnu/gcc/objdir/prev-hppa-linux-gnu/libstdc++-v3/libsupc++/.libs -c
  -g -O2 -DIN_GCC   -fno-exceptions -fno-rtti -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -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/../libdecnumber/dpd
-I../libdecnumber    ../../gcc/gcc/tree-vect-loop.c -o tree-vect-loop.o
../../gcc/gcc/tree-vect-loop.c: In function ‘bool
vect_analyze_loop_operations(loop_vec_info, bool)’:
../../gcc/gcc/tree-vect-loop.c:1414:19: error: comparison between signed and
unsigned integer expressions [-Werror=sign-compare]
    && max_niter < vectorization_factor))
                   ^
cc1plus: all warnings being treated as errors
make[3]: *** [tree-vect-loop.o] Error 1

[Bug tree-optimization/53098] [4.8 Regression] tree-vect-loop.c:1414:19: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53098

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.8.0

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-24 08:06:31 UTC ---
Bah.  Fixed.

[Bug tree-optimization/53098] [4.8 Regression] tree-vect-loop.c:1414:19: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53098

--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-04-24 08:06:33 UTC ---
Author: rguenth
Date: Tue Apr 24 08:06:20 2012
New Revision: 186754

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186754
Log:
2012-04-24  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/53098
    * tree-vect-loop.c (vect_analyze_loop_operations): Fixup
    comparison sign.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-vect-loop.c