On Sat, Aug 27, 2011 at 11:02:25AM -0400, Jean Delvare wrote: > Hi Guenter, > > On Fri, 26 Aug 2011 11:28:10 -0700, Guenter Roeck wrote: > > I also tried the same configuration with gcc 4.5.2. lm90 and smsc47b397 > > warnings are still reported, others are gone. > > Yes, I see them too using your configuration file with: > > $ gcc -v > Using built-in specs. > COLLECT_GCC=gcc > COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/4.5/lto-wrapper > Target: x86_64-suse-linux > Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.5 --enable-ssp --disable-libssp --disable-plugin --with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --disable-libgcj --disable-libmudflap --with-slibdir=/lib64 --with-system-zlib --enable-__cxa_atexit --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-version-specific-runtime-libs --program-suffix=-4.5 --enable-linux-futex --without-system-libunwind --enable-gold --with-plugin-ld=/usr/bin/gold --with-arch-32=i586 --with-tune=generic --build=x86_64-suse-linux > Thread model: posix > gcc version 4.5.0 20100604 [gcc-4_5-branch revision 160292] (SUSE Linux) > > I did not see the ones in adm1031 and pmbus though. > > > Specifically the code in smsc47b397.c leads me to believe that this is > > just a compiler glitch, but I still would like to understand why it is > > only seen with some configurations ... > > Apparently this is a combination of CONFIG_CC_OPTIMIZE_FOR_SIZE and at > least one other option. The warnings disappear if I turn off > CONFIG_CC_OPTIMIZE_FOR_SIZE on your configuration file, but they don't > show up if I turn it on on my own configuration. > Hi Jean, Good catch. Guess I'll disable that flag in my automatic builds. Thanks! Guenter _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
