200x-xx-xx Richard Sandiford <richard@codesourcery.com> Julian Brown <julian@codesour...

200x-xx-xx Richard Sandiford <richard@codesourcery.com> Julian Brown <julian@codesourcery.com>

gcc/
200x-xx-xx  Richard Sandiford  <richard@codesourcery.com>
	    Julian Brown  <julian@codesourcery.com>

	* config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
	* config/m68k/m68k.md (*movsi_cfv4): Fold into...
	(*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
	Add commentary.

Co-Authored-By: Julian Brown <julian@codesourcery.com>
From-SVN: r120958