Yes, sorry for the inconvenience, the original patch introduced several regression on power targets, it's decided to revert the patch. And there's another patch [1] to solve ICE for build HF related libgcc functions, and the patch is under review. [1] https://gcc.gnu.org/pipermail/gcc-patches/2021-September/579178.html On Mon, Sep 13, 2021 at 8:12 AM André Almeida via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Hi Hongtao Liu, > > I was trying to compile GCC, but I'm getting the following error: > > during RTL pass: expand > In file included from ../../../gcc/libgcc/soft-fp/soft-fp.h:317, > from ../../../gcc/libgcc/soft-fp/floattihf.c:29: > ../../../gcc/libgcc/soft-fp/floattihf.c: In function ‘__floattihf’: > ../../../gcc/libgcc/soft-fp/op-1.h:131:13: internal compiler error: in > gen_lowpart_general, at rtlhooks.c:57 > 131 | (val) = _FP_PACK_RAW_1_flo.flt; \ > | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ > ../../../gcc/libgcc/soft-fp/half.h:84:33: note: in expansion of macro > ‘_FP_PACK_RAW_1’ > 84 | #define FP_PACK_RAW_H(val, X) _FP_PACK_RAW_1 (H, (val), X) > | ^~~~~~~~~~~~~~ > ../../../gcc/libgcc/soft-fp/floattihf.c:41:3: note: in expansion of > macro ‘FP_PACK_RAW_H’ > 41 | FP_PACK_RAW_H (a, A); > | ^~~~~~~~~~~~~ > > I got a similar error on other files as well. I compiled with the > following configuration: > > ../gcc/configure --prefix=/tmp/gcc --enable-languages=c --disable-bootstrap > > I did a git bisect and I found the offending commit that break the build: > > 57b7c432cce893e1ba60d9b94a9606df6b419379 > > Revert "Get rid of all float-int special cases in validate_subreg." > > I was trying to fix the build myself and upstream the fix, but I didn't > manage to, so I would like to ask for help on how to proceed here. > > Thanks! > André -- BR, Hongtao
