Richard Kenner d9983d6c52 (optimize_reg_copy_1): Tighten up code to properly handle the case when... ... (optimize_reg_copy_1): Tighten up code to properly handle the case when SRC or DEST is a multi-word hard register and only some parts of the register are set or used. Also, avoid updating register status for DEST if we can't do the optimization. From-SVN: r2380		1992-10-09 07:28:53 -04:00
gcc	(optimize_reg_copy_1): Tighten up code to properly handle the case when...	1992-10-09 07:28:53 -04:00