re PR rtl-optimization/45966 (Incorrect combiner transformation.)
PR rtl-optimization/45966 * combine.c (try_combine): If added_sets_2, deal with the case where i0 feeds i1 and i1 feeds i2. From-SVN: r165674
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@ -1,3 +1,9 @@
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2010-10-18 Bernd Schmidt <bernds@codesourcery.com>
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PR rtl-optimization/45966
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* combine.c (try_combine): If added_sets_2, deal with the case
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where i0 feeds i1 and i1 feeds i2.
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2010-10-18 Jan Hubicka <jh@suse.cz>
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* ipa.c (cgraph_externally_visible_p): Handle externally visible and
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@ -3192,6 +3192,8 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p)
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t = subst (t, i0dest, i0src, 0, 0);
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if (i1_feeds_i2_n)
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t = subst (t, i1dest, i1src, 0, 0);
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if (i0_feeds_i1_n && i1_feeds_i2_n)
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t = subst (t, i0dest, i0src, 0, 0);
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XVECEXP (newpat, 0, --total_sets) = t;
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}
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