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re PR rtl-optimization/12508 (weak optimization for some constants < 2^16)
authorKazu Hirata <kazu@cs.umass.edu>
Mon, 12 Jan 2004 19:42:42 +0000 (19:42 +0000)
committerAndrew Pinski <pinskia@gcc.gnu.org>
Mon, 12 Jan 2004 19:42:42 +0000 (11:42 -0800)
commit5c88165592ad1864b5c6cb832d6616407e031b85
tree140d59418d5ede550da2b6aae172861824d0999btree | snapshot
parent74c0b320be063136b9fd12d6cd9e80ae1d26bdd4commit | diff
re PR rtl-optimization/12508 (weak optimization for some constants < 2^16)

2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/12508.
        * combine.c (try_combine): Remove a dead set in a parallel
        even if its destination is a subreg.

        Revert:
        2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
        * combine.c (simplify_set): Don't move a subreg in SET_SRC to
        SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

From-SVN: r75747
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