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Re: Designs for better debug info in GCC


On Nov  8, 2007, Robert Dewar <dewar@adacore.com> wrote:

> Alexandre Oliva wrote:

>>> 1. I don't think we should care much about the ability to
>>> *SET* values of variables in optimized code.
>> 
>> Indeed.  We should care about correctness of debug information, and
>> then this ability will come naturally ;-)

> Not really, there are optimizations that will still allow
> reading the value of a variable, but not setting it,

Indeed.  I was thinking implementation-level variables, rather than
source-level variables.

-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}


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