https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90340
--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Fredrik Hederstierna from comment #5) > I use patched sources from > http://gcc.hederstierna.com/csibe I've just tried that but I see quite some compilation errors: /home/marxin/Downloads/CSiBE-v2.1.1-patched2/CSiBE/./src/./flex-2.5.31/../include/inttypes.h:12:26: error: conflicting types for ‘int64_t’ /home/marxin/Downloads/CSiBE-v2.1.1-patched2/CSiBE/./src/./libmspack/test/../../include/inttypes.h:12:26: error: conflicting types for ‘int64_t’ /home/marxin/Downloads/CSiBE-v2.1.1-patched2/CSiBE/./src/./mpeg2dec-0.3.1/libmpeg2/../../include/inttypes.h:12:26: error: conflicting types for ‘int64_t’ > > I think you could download and try it out. > Toolchain I build with > https://github.com/fredrikhederstierna/buildbuddy > > Otherwise I think there are at least two more code size regressions open for > gcc-9.1.0 on ARM against CSiBE, so maybe there are already some CSiBE test > setup running that could be quicker path forward. > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90249 > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90255 > > Code size regressions on CSiBE for gcc-9.1.0 I think is worked on. > Thanks/Fredrik I'm curious how much can save following patch: diff --git a/gcc/tree-switch-conversion.h b/gcc/tree-switch-conversion.h index b3bc4b9ddf7..904827fa040 100644 --- a/gcc/tree-switch-conversion.h +++ b/gcc/tree-switch-conversion.h @@ -271,7 +271,7 @@ struct jump_table_cluster: public group_cluster static bool is_enabled (void); /* Max growth ratio for code that is optimized for size. */ - static const unsigned HOST_WIDE_INT max_ratio_for_size = 3; + static const unsigned HOST_WIDE_INT max_ratio_for_size = 2; /* Max growth ratio for code that is optimized for speed. */ static const unsigned HOST_WIDE_INT max_ratio_for_speed = 8;
