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	Commit message (Collapse)	Author	Age	Files	Lines
*	Represent external worlds by a coinductive type rather than an inductive type.	Xavier Leroy	2015-06-07	1	-1/+1
\| \| \| \|	As noticed by R. Krebbers, an inductive type for external worlds implies that all sequences of program-world interactions are finite, which is not the case.
*	Make small-step semantics more parametric w.r.t. the type of global ↵	Xavier Leroy	2014-11-26	1	-5/+5
\| \| \| \|	environments. Use symbol environments for the part of semantics that deals with observable events.
*	Remove some useless "Require".	xleroy	2012-12-30	1	-1/+0
\| \| \| \| \| \| \|	Update ARM port. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2085 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Removed old, commented-out definitions.	xleroy	2012-08-01	1	-292/+30
\| \| \| \| \| \| \|	Removed axiom "traceinf_determ" and show uniqueness of behaviors up to similarity of infinite traces. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1988 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Cleaned up old commented-out parts	xleroy	2011-08-19	1	-19/+0
\| \| \| \|	git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1719 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Added animation of the CompCert C semantics (ccomp -interp)	xleroy	2011-07-28	1	-54/+55
\| \| \| \| \| \| \| \|	test/regression: int main() so that interpretation works Revised once more implementation of __builtin_memcpy (to check for PPC & ARM) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1688 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Merge of branch new-semantics: revised and strengthened top-level statements ↵	xleroy	2011-07-15	1	-102/+155
\| \| \| \| \| \|	of semantic preservation. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1683 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Merge of branches/full-expr-4:	xleroy	2010-08-18	1	-137/+373
\| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \| \|	- Csyntax, Csem: source C language has side-effects within expressions, performs implicit casts, and has nondeterministic reduction semantics for expressions - Cstrategy: deterministic red. sem. for the above - Clight: the previous source C language, with pure expressions. Added: temporary variables + implicit casts. - New pass SimplExpr to pull side-effects out of expressions (previously done in untrusted Caml code in cparser/) - Csharpminor: added temporary variables to match Clight. - Cminorgen: adapted, removed cast optimization (moved to back-end) - CastOptim: RTL-level optimization of casts - cparser: transformations Bitfields, StructByValue and StructAssign now work on non-simplified expressions - Added pretty-printers for several intermediate languages, and matching -dxxx command-line flags. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1467 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	- Extended traces so that pointers within globals are supported as event values.	xleroy	2010-05-10	1	-11/+23
\| \| \| \| \| \| \| \|	- Revised handling of volatile reads: the execution environment dictates the value read, via the trace of events. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1345 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Merge of the newmem and newextcalls branches:	xleroy	2010-03-07	1	-62/+80
\| \| \| \| \| \| \| \| \| \|	- Revised memory model with concrete representation of ints & floats, and per-byte access permissions - Revised Globalenvs implementation - Matching changes in all languages and proofs. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1282 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
*	Distinguish two kinds of nonterminating behaviors: silent divergence	xleroy	2009-08-16	1	-0/+508
	and reactive divergence. As a consequence: - Removed the Enilinf constructor from traceinf (values of traceinf type are always infinite traces). - Traces are now uniquely defined. - Adapted proofs big step -> small step for Clight and Cminor accordingly. - Strengthened results in driver/Complements accordingly. - Added common/Determinism to collect generic results about deterministic semantics. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1123 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e