[Bug rtl-optimization/19580] [3.4/4.0 Regression] missed load/store motion

[belyshev at depni dot sinp dot msu dot ru]

------- Additional Comments From belyshev at depni dot sinp dot msu dot ru  2005-01-23 18:31 -------
(In reply to comment #13)
> What exactly are you expecting to be coalesced in this case, if I may ask? 

I am expecting all of D.1129 and D.1131 to be coalesced so this:

    D.1129 = r[0] + r[2]; 
    r[0] = D.1129; 
    D.1131 = D.1129 + r[1]; 
    r[1] = D.1131; 
    r[2] = D.1131 + r[2]; 

...is turned into what it was (like in second example):

    r[0] = r[0] + r[2];
    r[1] = r[0] + r[1];
    r[2] = r[1] + r[2];


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19580