[Bug target/17959] -mpowerpc64 can cause worse code than without it

[sayle at gcc dot gnu dot org]

------- Comment #2 from sayle at gcc dot gnu dot org  2006-03-30 17:47 -------
Subject: Bug 17959

Author: sayle
Date: Thu Mar 30 17:47:48 2006
New Revision: 112543

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=112543
Log:

        PR target/17959
        * expr.c (emit_group_store):  Optimize group stores into a pseudo
        register by using a paradoxical subreg to initialize the destination
        if the first or last member of the group specifies a "low part".


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17959