[Bug rtl-optimization/31360] [4.2 Regression] rtl loop invariant is broken

[rearnsha at gcc dot gnu dot org]

------- Comment #21 from rearnsha at gcc dot gnu dot org  2007-05-06 15:34 -------
(In reply to comment #20)
> Re. comment #19: What "code size regression"?  Your comment is too unspecific.
> 

The code size regression that shows up on CSiBE between r123918 and r123919 on
ARM, mips and PPC (at least).  Just build CSiBE at -Os with and without this
patch.  On ARM this is approx 0.3%, which is a significant move (given that a
good improvement is normally about 0.01%).


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31360