[Bug target/78633] [7 Regression] [SH] libgcc/fp-bit.c:944:1: error: invalid rtl sharing found in the insn

[kkojima at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78633

--- Comment #12 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Hmm...  From
https://gcc.gnu.org/onlinedocs/gccint/Sharing.html#Sharing
the above patch looks wrong.  Perhaps the splitter in problem
might have to take care of subreg case even when referencing
a reg rtx in the input operands.