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(parent: abd535b) | patch
gcse.c (find_avail_set): Follow chains of register-register copies.
authorBernd Schmidt <bernds@cygnus.co.uk>
Wed, 25 Aug 1999 04:24:36 +0000 (04:24 +0000)
committerJeff Law <law@gcc.gnu.org>
Wed, 25 Aug 1999 04:24:36 +0000 (22:24 -0600)
commitcafba4956be9da85d61c193a9e8227156f010565
treed1cae3dd4e961e5e5ac25a4a3a9447688cb7687btree
parentabd535b681d7bba79c3f8bc85451822fe7e4f8d0commit | diff
gcse.c (find_avail_set): Follow chains of register-register copies.

        * gcse.c (find_avail_set): Follow chains of register-register copies.
        Use oprs_not_set_p to guarantee that the returned value can be
        substituted.
        (cprop_insn): Don't verify the return value of find_avail_set with
        oprs_not_set_p.

From-SVN: r28835
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