El Fri, Mar 31, 2017 at 01:03:02AM +0900 Masahiro Yamada ha dit: > 2017-03-28 10:19 GMT+09:00 Matthias Kaehlcke <mka@xxxxxxxxxxxx>: > > This generates smaller resulting object code when compiled with clang. > > > > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> > > --- > > Makefile | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/Makefile b/Makefile > > index b2faa9319372..66bcdbf58371 100644 > > --- a/Makefile > > +++ b/Makefile > > @@ -638,7 +638,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) > > endif > > > > ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE > > -KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) > > +KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) > > +KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) > > else > > ifdef CONFIG_PROFILE_ALL_BRANCHES > > KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) > > > > > > This is the same as the following commit in LLVMLinux > except Author/Signed-off-by. > > Who should the authorship really belong to? (this time without html, sorry for the noise) It should belong to Behan, I missed to add a 'From' tag, sorry about that. Should I resend with the tag or can you fix it when applying the patch? Matthias > commit 186e62808239c603bfa308d5ea994a10d67bb409 > Author: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx> > Date: Thu Oct 16 14:28:54 2014 +0200 > > LLVMLinux: use -Oz instead of -Os when using clang > > This generates smaller resulting object code when compiled with clang. > > Signed-off-by: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx> > > -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
