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From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: transpiling to low level C
Date: Mon, 23 Dec 2024 18:05:48 +0200
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On Mon, 23 Dec 2024 15:41:40 GMT
scott@slp53.sl.home (Scott Lurndal) wrote:

> Michael S <already5chosen@yahoo.com> writes:
> >On Sun, 22 Dec 2024 20:41:44 +0100
> >Janis Papanagnou <janis_papanagnou+ng@hotmail.com> wrote:
> >  
> 
> >> 
> >> Whether you have the test in an 'if', or in a ternary '?:', or
> >> use it through a bool-int coercion as integer index to an indexed
> >> function[-pointer] table; it's a conditional branch based on the
> >> ("Test Set") predicate i<n. You showed in your example how to get
> >> rid of the 'if' symbol, but you could - as expected - not get rid
> >> of the actual test that is the substance of a conditional branch.
> >> 
> >> I think that is what is to expect by the theory and the essence of
> >> the point I tried to make.
> >> 
> >> Janis
> >>   
> >
> >
> >You make no sense. I am starting to suspect that the reason for it
> >is ignorance rather than mere stubbornness.
> >
> >https://godbolt.org/z/EKo5rrYce
> >Show me conditional branch in the right pane.
> >  
> 
>  The 'C' in 'CSET' is short for conditional.  Because
> the branch is folded into the compare doesn't mean it
> isn't there.

No, branch is not "folded". It is absent. CSET is an ALU operation.
The logical-arithmetic nature of comparison operator is even more
pronounced in code that gcc generates for POWER
https://godbolt.org/z/8Gs9s6nEo