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* Revised encoding/decoding of floatsxleroy2010-05-091-1/+13
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1341 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More theorems about sign and zero extensionsxleroy2010-05-051-0/+100
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1334 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the newmem and newextcalls branches:xleroy2010-03-071-4/+11
| | | | | | | | | | - 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
* Revised lib/Integers.v to make it parametric w.r.t. word size.xleroy2009-11-191-389/+481
| | | | | | | | | Introduced Int.iwordsize and used it in place of "Int.repr 32" or "Int.repr (Z_of_nat wordsize)". git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1182 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More realistic treatment of jump tables: show the absence of overflow when ↵xleroy2009-11-101-0/+7
| | | | | | accessing the table git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1172 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added support for jump tables in back end.xleroy2009-11-101-0/+25
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1171 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Adapted to work with Coq 8.2-1v1.4.1xleroy2009-06-051-3/+3
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1076 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Reserve register GPR13 for compatibility with EABI. Optimize operations 'x ↵xleroy2009-02-261-0/+20
| | | | | | >= 0' and 'x < 0'. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@999 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* - Added alignment constraints to memory loads and stores.xleroy2009-01-111-53/+0
| | | | | | | | | | | - In Cminor and below, removed pointer validity check in semantics of comparisons, so that evaluation of expressions is independent of memory state. - In Cminor and below, removed "alloc" instruction. - Cleaned up commented-away parts. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@945 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Replace cast{8,16}{signed,unsigned} with zero_ext and sign_ext.xleroy2008-12-291-258/+638
| | | | | | | | lib/Integers.v: added more properties for ARM port. lib/Coqlib.v: added more properties for division and powers of 2. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@928 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Ajout license, README, copyright noticesxleroy2008-01-271-0/+15
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@489 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Preuve des 2 axiomes restantsxleroy2007-03-021-2/+17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@179 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Petites adaptations pour Coq 8.1gammaxleroy2006-11-111-14/+22
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@135 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Fusion de la branche "traces":xleroy2006-09-041-36/+35
| | | | | | | | | | | | | - Ajout de traces d'evenements d'E/S dans les semantiques - Ajout constructions switch et allocation dynamique - Initialisation des variables globales - Portage Coq 8.1 beta Debut d'integration du front-end C: - Traduction Clight -> Csharpminor dans cfrontend/ - Modifications de Csharpminor et Globalenvs en consequence. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@72 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Initial import of compcertxleroy2006-02-091-0/+2184
git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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