[Bug middle-end/54862] New: [4.8 Regression] error: comparison between signed and unsigned integer expressions in simplify-rtx.c

["danglin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54862

             Bug #: 54862
           Summary: [4.8 Regression] error: comparison between signed and
                    unsigned integer expressions in simplify-rtx.c
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
                CC: rsandifo@gcc.gnu.org


/xxx/gnu/gcc/objdir/./prev-gcc/g++ -B/xxx/gnu/gcc/objdir/./prev-gcc/
-B/opt/gnu/
gcc/gcc-4.8/hppa2.0w-hp-hpux11.00/bin/ -nostdinc++
-B/xxx/gnu/gcc/objdir/prev-hp
pa2.0w-hp-hpux11.00/libstdc++-v3/src/.libs
-B/xxx/gnu/gcc/objdir/prev-hppa2.0w-h
p-hpux11.00/libstdc++-v3/libsupc++/.libs
-I/xxx/gnu/gcc/objdir/prev-hppa2.0w-hp-
hpux11.00/libstdc++-v3/include/hppa2.0w-hp-hpux11.00
-I/xxx/gnu/gcc/objdir/prev-
hppa2.0w-hp-hpux11.00/libstdc++-v3/include
-I/xxx/gnu/gcc/gcc/libstdc++-v3/libsu
pc++ -L/xxx/gnu/gcc/objdir/prev-hppa2.0w-hp-hpux11.00/libstdc++-v3/src/.libs
-L/
xxx/gnu/gcc/objdir/prev-hppa2.0w-hp-hpux11.00/libstdc++-v3/libsupc++/.libs -c   
-g -O2 -DIN_GCC   -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W
-Wal
l -Wno-narrowing -Wwrite-strings -Wcast-qual -Wmissing-format-attribute
-pedanti
c -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror  
-DHAVE_C
ONFIG_H -I. -I. -I../../gcc/gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I.
./../gcc/gcc/../libcpp/include -I/opt/gnu/gcc/gmp/include 
-I../../gcc/gcc/../li
bdecnumber -I../../gcc/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../gcc/gcc
/../libbacktrace    ../../gcc/gcc/simplify-rtx.c -o simplify-rtx.o
../../gcc/gcc/simplify-rtx.c: In function 'rtx_def*
simplify_truncation(machine_
mode, rtx, machine_mode)':
../../gcc/gcc/simplify-rtx.c:671:34: error: comparison between signed and
unsign
ed integer expressions [-Werror=sign-compare]
       && INTVAL (XEXP (op, 1)) < precision)
                                  ^
../../gcc/gcc/simplify-rtx.c:683:34: error: comparison between signed and
unsign
ed integer expressions [-Werror=sign-compare]
       && INTVAL (XEXP (op, 1)) < precision)
                                  ^
../../gcc/gcc/simplify-rtx.c:695:34: error: comparison between signed and
unsign
ed integer expressions [-Werror=sign-compare]
       && INTVAL (XEXP (op, 1)) < precision)
                                  ^
../../gcc/gcc/simplify-rtx.c:709:34: error: comparison between signed and
unsign
ed integer expressions [-Werror=sign-compare]
       && INTVAL (XEXP (op, 1)) < op_precision)
                                  ^
cc1plus: all warnings being treated as errors
make[3]: *** [simplify-rtx.o] Error 1