[Bug target/54639] New: mn10300_expand_epilogue: signed / unsigned comparison

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54639

             Bug #: 54639
           Summary: mn10300_expand_epilogue: signed / unsigned comparison
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: amylaar@gcc.gnu.org
            Blocks: 44756
            Target: am33_2.0-linux


g++ -c   -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -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/config/mn10300/mn10300.c -o mn10300.o
../../../gcc/gcc/config/mn10300/mn10300.c: In function ‘void
mn10300_expand_epilogue()’:
../../../gcc/gcc/config/mn10300/mn10300.c:783:64: error: comparison between
signed and unsigned integer expressions [-Werror=sign-compare]
 #define SIZE_ADD_SP(S) ((((S) >= (1 << 15)) || ((S) < -(1 << 15))) ? 6 \
                                                                ^
../../../gcc/gcc/config/mn10300/mn10300.c:1080:29: note: in expansion of macro
'SIZE_ADD_SP'
        this_strategy_size = SIZE_ADD_SP (size + 4 * num_regs_to_save
                             ^
cc1plus: all warnings being treated as errors
make[2]: *** [mn10300.o] Error 1