recog.c (validate_replace_rtx_group): New function.
authorJeff Law <law@gcc.gnu.org>
Sat, 22 Aug 1998 23:21:23 +0000 (17:21 -0600)
committerJeff Law <law@gcc.gnu.org>
Sat, 22 Aug 1998 23:21:23 +0000 (17:21 -0600)
commitedfac33e828bec837550da110999793dd436a551
tree70f312d3059257dfbf517487941c65b16c1624aa
parent4cd864b2eb0b39981189653ebffcf3022531cdb8
recog.c (validate_replace_rtx_group): New function.


        * recog.c (validate_replace_rtx_group): New function.
        * recog.h (validate_replace_rtx_group): Declare it.
        * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
        the entire group of substitutions.

From-SVN: r21909
gcc/recog.c