COND_EXPRs in GIMPLE code and vectorizer

Roberto COSTA roberto.costa@st.com
Thu Sep 28 13:12:00 GMT 2006


Diego Novillo wrote:
> Roberto COSTA wrote on 09/28/06 05:51:
> 
> 
>>If time allows me, I'd like to try to see what happens if COND_EXPRs are 
>>kept throughout the GIMPLE passes (I confess I'm curious). Logically, I 
>>see them as richer constructs (they carry more information than the 
>>equivalent control-flow code), like MIN_EXPRs and MAX_EXPRs.
>>
> 
> Be wary of VRP and thread jumping if you do this.  Both rely on the
> current COND_EXPR format quite heavily.

Before committing into anything, I will study the implications on these 
in order to evaluate the effort needed.

Roberto



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