[Bug target/39423] [SH] performance regression: lost mov @(disp,Rn)

[chrbr at gcc dot gnu dot org]

------- Comment #10 from chrbr at gcc dot gnu dot org  2009-03-12 15:10 -------
Created an attachment (id=17447)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=17447&action=view)
SH illustrative patch

for feedback only. win on SH. lost on ARM

2009-03-12  Christian Bruel  <christian.bruel@st.com>

        * fold-const.c (fold_plusminus_mult_expr): Move canonicalization of
         index+cst...
        * expr.c (expand_expr_real_1): ... here.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39423