[Bug target/55212] [SH] Switch to LRA

[kkojima at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212

--- Comment #59 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
Created attachment 33688
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33688&action=edit
reduced CSiBE teem-1.6.0 test (-O2 sh4-linux)

Yet another lra-assigns.c:1335 ICE when compiling nrrd/kernel.c of CSiBE/
teem-1.6.0 test.  It looks that RA fails for FPUL_REGS class.