On Sun, Aug 14, 2022 at 2:31 AM Takayuki 'January June' Suwa <jjsuwa_sys3...@yahoo.co.jp> wrote: > > Since GCC10, the "subreg2" optimization pass was no longer tied to enabling > "subreg1" unless -fsplit-wide-types-early was turned on (PR88233). However > on the Xtensa port, the lack of "subreg2" can degrade the quality of the > output code, especially for those that produce many D[FC]mode pseudos. > > This patch turns on -fsplit-wide-types-early by default in order to restore > the previous behavior. > > gcc/ChangeLog: > > * common/config/xtensa/xtensa-common.cc > (xtensa_option_optimization_table): Add OPT_fsplit_wide_types_early > for OPT_LEVELS_ALL in order to restore pre-GCC10 behavior. > --- > gcc/common/config/xtensa/xtensa-common.cc | 2 ++ > 1 file changed, 2 insertions(+)
Regtested for target=xtensa-linux-uclibc, no new regressions. Committed to master. -- Thanks. -- Max
