This isn't used since 2018. (It's a remnant of paired single support). Committing to trunk.
Segher 2019-09-06 Segher Boessenkool <seg...@kernel.crashing.org> * config/rs6000/rs6000.md (unspec): Delete UNSPEC_MV_CR_OV. --- gcc/config/rs6000/rs6000.md | 1 - 1 file changed, 1 deletion(-) diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md index d408e44..48ccb02 100644 --- a/gcc/config/rs6000/rs6000.md +++ b/gcc/config/rs6000/rs6000.md @@ -63,7 +63,6 @@ (define_c_enum "unspec" UNSPEC_TOC ; address of the TOC (more-or-less) UNSPEC_TOCSLOT ; offset from r1 of toc pointer save slot UNSPEC_MOVSI_GOT - UNSPEC_MV_CR_OV ; move_from_CR_ov_bit UNSPEC_FCTIWZ UNSPEC_FRIM UNSPEC_FRIN -- 1.8.3.1