https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109285
Bug ID: 109285
Summary: Unused variable in function __fixunssfdi
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: internal-improvement
Severity: normal
Priority: P3
Component: libgcc
Assignee: unassigned at gcc dot gnu.org
Reporter: jdx at o2 dot pl
Target Milestone: ---
Host: x86_64-w64-mingw32
Target: h8300-elf
Created attachment 54756
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54756&action=edit
Proposed patch
I get the following warning when I build master (but it also applies to 12.2):
[...]
/d/Works/xcomp/gcc-build/./gcc/xgcc -B/d/Works/xcomp/gcc-build/./gcc/
-B/usr/local/h8300-elf/bin/ -B/usr/local/h8300-elf/lib/ -isystem
/usr/local/h8300-elf/include -isystem /usr/local/h8300-elf/sys-include
-isystem /d/Works/xcomp/sysroot/h8300-elf/include -ms -O2 -isystem
/d/Works/xcomp/sysroot/h8300-elf/include -DIN_GCC -fPIC
-DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-isystem ./include -DDF=SF -g -DIN_LIBGCC2 -fbuilding-libgcc
-fno-stack-protector -Dinhibit_libc -DDF=SF -I. -I. -I../../.././gcc
-I../../../../../gcc/libgcc -I../../../../../gcc/libgcc/.
-I../../../../../gcc/libgcc/../gcc -I../../../../../gcc/libgcc/../include
-o _fixunssfdi.o -MT _fixunssfdi.o -MD -MP -MF _fixunssfdi.dep -DL_fixunssfdi
-c ../../../../../gcc/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS
d:\works\gcc\libgcc\libgcc2.c: In function '__fixunssfdi':
d:\works\gcc\libgcc\libgcc2.c:1459:14: warning: unused variable 'msb'
[-Wunused-variable]
1459 | SFtype msb;
| ^~~
