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* Address most deprecation warnings from Coq 8.16Xavier Leroy2023-03-101-4/+4
| | | | | | | | | | | | | | | * Define our own `Z_div_mod_eq` lemma The one in the Coq standard library is deprecated since 8.14, but its replacement changed type between 8.13 and 8.14. So the only way to remain compatible from 8.12 to 8.16 is to define our own lemma. Phew. * Do not use `Arith.Max`, deprecated. * Do not use `plus_lt_compat_r`, deprecated. * Do not use `beq_nat_refl` and `beq_nat_true`, deprecated.
* Update comment re: compile_switch functionXavier Leroy2022-06-251-1/+1
| | | | Fixes: #435
* Use the LGPL instead of the GPL for dual-licensed filesXavier Leroy2021-05-081-4/+5
| | | | | | The GPL makes sense for whole applications, but the dual-licensed Coq and OCaml files are more like libraries to be combined with other code, so the LGPL is more appropriate.
* Replace `omega` tactic with `lia`Xavier Leroy2020-12-291-19/+19
| | | | | | | | | | | Since Coq 8.12, `omega` is flagged as deprecated and scheduled for removal. Also replace CompCert's homemade tactics `omegaContradiction`, `xomega`, and `xomegaContradiction` with `lia` and `extlia`. Turn back on the deprecation warning for uses of `omega`. Make the proof of `Ctypes.sizeof_pos` more robust to variations in `lia`.
* lib/Coqlib.v: remove defns about multiplication, division, modulusXavier Leroy2019-04-231-3/+3
| | | | | Instead, use definitions and lemmas from the Coq standard library (ZArith, Znumtheory).
* Remove coq warnings (#28)Bernhard Schommer2017-09-221-5/+5
| | | | Replace deprecated functions and theorems from the Coq standard library (version 8.6) by their non-deprecated counterparts.
* Updated PR by removing whitespaces. Bug 17450.Bernhard Schommer2015-10-201-26/+26
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* Excessively strict validation: ofs + sz < modulus should have beenxleroy2014-08-201-4/+5
| | | | | | | ofs + sz <= modulus. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2607 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* - Support "switch" statements over 64-bit integersxleroy2014-08-171-171/+165
| | | | | | | | | | | | | (in CompCert C to Cminor, included) - Translation of "switch" to decision trees or jumptables made generic over the sizes of integers and moved to the Cminor->CminorSel pass instead of CminorSel->RTL as before. - CminorSel: add "exitexpr" to support the above. - ValueDomain: more precise analysis of comparisons against an integer literal. E.g. "x >=u 0" is always true. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2565 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Assorted cleanups, esp. to avoid generating _rec and _rect recursors in xleroy2013-03-091-39/+58
| | | | | | | | submodules. (Extraction does not remove them, then.) common/Switch: replaced use of FMaps by our own Maps. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2139 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated PowerPC port to new integers.xleroy2013-02-121-1/+1
| | | | | | | Added options -falign-branch-targets and -falign-cond-branches (experimental). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2113 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch "unsigned-offsets":xleroy2011-04-091-17/+16
| | | | | | | | | | | | | | - In pointer values "Vptr b ofs", interpret "ofs" as an unsigned int. (Fixes issue with wrong comparison of pointers across 0x8000_0000) - Revised Stacking pass to not use negative SP offsets. - Add pointer validity checks to Cminor ... Mach to support the use of memory injections in Stacking. - Cleaned up Stacklayout modules. - IA32: improved code generation for Mgetparam. - ARM: improved code generation for op-immediate instructions. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1632 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added support for jump tables in back end.xleroy2009-11-101-12/+131
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1171 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Adapted to work with Coq 8.2-1v1.4.1xleroy2009-06-051-2/+2
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1076 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Amelioration compilation des switchxleroy2008-04-171-30/+70
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@616 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
* Fusion des modifications faites sur les branches "tailcalls" et "smallstep".xleroy2007-08-041-0/+165
En particulier: - Semantiques small-step depuis RTL jusqu'a PPC - Cminor independant du processeur - Ajout passes Selection et Reload - Ajout des langages intermediaires CminorSel et LTLin correspondants - Ajout des tailcalls depuis Cminor jusqu'a PPC git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@384 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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