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Re: bct_p *is* used in loop.c:strength_reduction
- To: dje at watson dot ibm dot com (David Edelsohn)
- Subject: Re: bct_p *is* used in loop.c:strength_reduction
- From: Joe Buck <jbuck at Synopsys dot COM>
- Date: Thu, 15 Oct 98 19:19:18 PDT
- Cc: law at cygnus dot com, ghazi at caip dot rutgers dot edu, egcs at cygnus dot com, egcs-patches at cygnus dot com
> `unused'
> This attribute, attached to a variable, means that the variable is
> meant to be possibly unused. GNU CC will not produce a warning
> for this variable.
>
> I do not know what "meant to be possibly" is intended to convey. This is
> intended for cases where some compilations will not use the variable?
In practice, it just says "don't warn if this variable is unused" and
the description should say so.