On Wed, May 3, 2017 at 7:17 AM, Eric Botcazou <ebotca...@adacore.com> wrote: >> 2017-04-11 Bin Cheng <bin.ch...@arm.com> >> >> * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes. > > This breaks bootstrap with RTL checking: > > /home/eric/build/gcc/native/./gcc/xgcc -B/home/eric/build/gcc/native/./gcc/ - > nostdinc -x c /dev/null -S -o /dev/null -fself- > test=/home/eric/svn/gcc/gcc/testsuite/selftests > cc1: internal compiler error: RTL check: expected code 'subreg', have > 'truncate' in rtx_cost, at rtlanal.c:4169 > 0xbae338 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int, > char const*) > /home/eric/svn/gcc/gcc/rtl.c:829 > 0xbbc9b4 rtx_cost(rtx_def*, machine_mode, rtx_code, int, bool) > /home/eric/svn/gcc/gcc/rtlanal.c:4169 > 0x8517e6 set_src_cost > /home/eric/svn/gcc/gcc/rtl.h:2685 > 0x8517e6 init_expmed_one_conv > /home/eric/svn/gcc/gcc/expmed.c:142 > 0x8517e6 init_expmed_one_mode > /home/eric/svn/gcc/gcc/expmed.c:209 > 0x853fb2 init_expmed() > /home/eric/svn/gcc/gcc/expmed.c:270 > 0xc45974 backend_init_target > /home/eric/svn/gcc/gcc/toplev.c:1665 > 0xc45974 initialize_rtl() > Sorry for disturbing, I will revert this if can't fix today.
Thanks, bin > -- > Eric Botcazou
