SIMPLE: A language-independent tree IR

[Florian Weimer]

"Joseph S. Myers" <jsm28@cam.ac.uk> writes:

> There may be other C assumptions in the current tree forms to consider and
> maybe change - for example, are the C rules that overflow of signed
> integer arithmetic is undefined appropriate for all languages,

I thought that in the GCC context, integer overflow has a defined
meaning (which is not documented in the ISO standard, though).  In
fact, I'm quite sure that tons of code will break if GCC behavior in
this regard changes only slightly.