Richard Kenner 71923da7f3 (simplify_rtx, case MULT): Don't convert MULT to shift here. ... (simplify_logical, case IOR): Convert back to PLUS if valid and it will combine with another PLUS. (extract_left_shift): New function. (make_compound_operation, case ASHIFTRT): Simplify by calling it. (force_to_mode): Don't ignore if X is a SUBREG. (force_to_mode, case AND): Try to turn unchecked bits on instead of just off and see which is cheaper. From-SVN: r7224		1994-05-06 12:42:40 -04:00
gcc	(simplify_rtx, case MULT): Don't convert MULT to shift here.	1994-05-06 12:42:40 -04:00