SIMPLE: A language-independent tree IR

[Alexandre Oliva]

On Jan  3, 2002, Florian Weimer <fw@deneb.enyo.de> wrote:

> "Joseph S. Myers" <jsm28@cam.ac.uk> writes:
>> We have this for C.  Function calls cannot be interleaved, but may happen
>> in either order.

> I hope that this requirement is applicable only to the externally
> visible efffect.  A few days ago, I looked at assembler output from
> GCC 2.8.1, and I think there were some interleaved function calls
> (without externally visible effect, of course).

If there's no externally visible effect, this is allowed by the as-if
rule.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
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