Displaying 2 results from an estimated 2 matches for "norrish".
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norris
2008 Mar 27
0
[LLVMdev] Checked arithmetic
> Except that some aspects of the host platform leak through
> to .bc files. This may or may not be a problem.
I know a bit about how Michael Norrish dealt with this sort of thing in
his formal semantics for C. For example, integer width is modeled as a
constant, but one with an unspecified value. Other C level choices such
as order of evaluation of function arguments are modeled using
nondeterministic choice. My understanding is that the...
2008 Mar 27
4
[LLVMdev] Checked arithmetic
John Regehr wrote:
> Say on that note here's something that I want to see: a formal semantics
> for LLVM in for example higher order logic. This would probably not be
> that difficult.
Except that some aspects of the host platform leak through
to .bc files. This may or may not be a problem.
> Once the semantics exists, you can either prove once and for all the that
> each