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* configure: distinguish between ABI and processor model.Gravatar xleroy2014-07-29
| | | | | | | | ARM: various tweaks, incl. support for SDIV and UDIV insns when available. test/regression/funptr2.c: Thumb does weird things with <function ptr>+1. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2555 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Simplify COQINCLUDESGravatar xleroy2014-07-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2541 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge the various $(ARCH)/$(VARIANT)/xxx.v files into $(ARCH)/xxx.v.Gravatar xleroy2014-07-23
| | | | | | | | | The only platform where we have two variants is ARM, and it's easier to share the callling convention code between the two than to maintain both variants separately. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2540 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Redundant -I in CAMLINCLUDESGravatar xleroy2014-07-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2539 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of "newspilling" branch:Gravatar xleroy2014-07-23
| | | | | | | | | | | | | | | - Support single-precision floats as first-class values - Introduce chunks Many32, Many64 and types Tany32, Tany64 to support saving and restoring registers without knowing the exact types (int/single/float) of their contents, just their sizes. - Memory model: generalize the opaque encoding of pointers to apply to any value, not just pointers, if chunks Many32/Many64 are selected. - More properties of FP arithmetic proved. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2537 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Update Coq documentationGravatar xleroy2014-05-05
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2483 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Integration of Jacques-Henri Jourdan's verified parser.Gravatar xleroy2014-04-29
| | | | | | | (Merge of branch newparser.) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2469 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* ia32/Select*: complete the modifications to shifts.Gravatar xleroy2014-04-11
| | | | | | | | | Makefile: missing "clean" actions. Makefile/pg/coq: honor $COQBIN if set (as suggested by P. Boutillier) to facilitate testing with different Coq versions. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2453 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch linear-typing:Gravatar xleroy2014-04-06
| | | | | | | | | | | | | | | | | | | | | | | 1) Revised division of labor between RTLtyping and Lineartyping: - RTLtyping no longer keeps track of single-precision floats, switches from subtype-based inference to unification-based inference. - Unityping: new library for unification-based inference. - Locations: don't normalize at assignment in a stack slot - Allocation, Allocproof: simplify accordingly. - Lineartyping: add inference of locations that contain a single-precision float. - Stackingproof: adapted accordingly. This addresses a defect report whereas RTLtyping was rejecting code that used a RTL pseudoreg to hold both double- and single-precision floats (see test/regression/singlefloats.c). This corresponds to commits 2435+2436 plus improvements in Lineartyping. 2) Add -dtimings option to measure compilation times. Moved call to C parser from Elab to Parse, to make it easier to measure parsing time independently of elaboration time. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2449 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revert commits r2435 and r2436 (coarser RTLtyping / finer Lineartyping):Gravatar xleroy2014-03-28
| | | | | | | the new Lineartyping can't keep track of single floats that were spilled. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2438 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Move wt_instr_inv where it belongs.Gravatar xleroy2014-03-27
| | | | | | | Update Makefile and dependencies. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2436 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Add option -Os to optimize for code size rather than for execution speed.Gravatar xleroy2014-02-19
| | | | | | | | Refactored compilation flags that affect the Coq part (module Compopts). Added support for C99 for loops with declarations. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2410 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Introduce and use the platform-specific Archi module giving:Gravatar xleroy2014-01-03
| | | | | | | | | | - endianness - alignment constraints for 8-byte types (which is 4 for x86 ABI and 8 for other ABIs) - NaN handling options (superceding the Nan module, removed). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2402 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch value-analysis.Gravatar xleroy2013-12-20
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2381 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* powerpc/: new unary operation "addsymbol"Gravatar xleroy2013-11-17
| | | | | | | | Support far-data addressing in sections. (Currently ignored in checklink.) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2368 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of Flocq version 2.2.0.Gravatar xleroy2013-08-02
| | | | | | | More precise modeling of NaNs. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2303 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Optimize integer divisions by positive constants, turning them intoGravatar xleroy2013-07-29
| | | | | | | multiply-high and shifts. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2300 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updating LICENSE and license headers, continued.Gravatar xleroy2013-06-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2281 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Fix compilation of runtime system.Gravatar xleroy2013-05-29
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2263 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the float32 branch: Gravatar xleroy2013-05-19
| | | | | | | | - added RTL type "Tsingle" - ABI-compatible passing of single-precision floats on ARM and x86 git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2260 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Preliminary support for debugging info (-g).Gravatar xleroy2013-05-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2253 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Clean up 'make clean'Gravatar xleroy2013-05-01
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2229 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Use "-as" to put CompCert modules in a compcert.xxx namespace.Gravatar xleroy2013-05-01
| | | | | | | | Simplified the scripts "coq" and "pg". Updated deps. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2228 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Big merge of the newregalloc-int64 branch. Lots of changes in two directions:Gravatar xleroy2013-04-20
| | | | | | | | | 1- new register allocator (+ live range splitting, spilling&reloading, etc) based on a posteriori validation using the Rideau-Leroy algorithm 2- support for 64-bit integer arithmetic (type "long long"). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2200 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated issues with coqchk. See PR#3026 on the Coq bug tracker.Gravatar xleroy2013-04-14
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2189 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Assorted changes to reduce stack and heap requirements when compiling very ↵Gravatar xleroy2013-03-16
| | | | | | big functions. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2151 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised Stacking and Asmgen passes and Mach semantics: Gravatar xleroy2013-03-01
| | | | | | | | | | - no more prediction of return addresses (Asmgenretaddr is gone) - instead, punch a hole for the retaddr in Mach stack frame and fill this hole with the return address in the Asmgen proof. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2129 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More correct exportclight/ dependenciesGravatar xleroy2013-01-08
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2094 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Put clighgen files in exportclight/Gravatar xleroy2013-01-05
| | | | | | | | Short doc in exportclight/README git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2089 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* RTLgenaux: heuristic to orient if-then-else statements based on sizes.Gravatar xleroy2012-12-31
| | | | | | | Makefile: coqchk notes git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2086 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Make "all" the defaut target.Gravatar xleroy2012-12-29
| | | | | | | Avoid re-doing extraction if .vo files unchanged. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2084 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the clightgen branch:Gravatar xleroy2012-12-29
| | | | | | | | | | | | | | | | | | - Alternate semantics for Clight where function parameters are temporaries, not variables - New pass SimplLocals that turns non-addressed local variables into temporaries - Simplified Csharpminor, Cshmgen and Cminorgen accordingly - SimplExpr starts its temporaries above variable names, therefoe Cminorgen no longer needs to encode variable names and temps names. - Simplified Cminor parser & printer, as well as Errors, accordingly. - New tool clightgen to produce Clight AST in Coq-parsable .v files. - Removed side condition "return type is void" on rules skip_seq in the semantics of CompCert C, Clight, C#minor, Cminor. - Adapted RTLgenproof accordingly (now uses a memory extension). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2083 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Clight: split off the big step semantics in ClightBigstep.Gravatar xleroy2012-10-14
| | | | | | | Cstrategy: updated the big-step semantics with Eseqand and Eseqor. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2062 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Make Clight independent of CompCert C.Gravatar xleroy2012-10-08
| | | | | | | Common parts are factored out in cfrontend/Ctypes.v and cfrontend/Cop.v git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2060 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support for indirect symbols under MacOS X (final).Gravatar xleroy2012-07-14
| | | | | | | Remove stdio hack in runtime/ git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1979 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revert unintentional commit #1955Gravatar xleroy2012-07-06
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1957 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Ajout trunk CompCertGravatar blazy2012-07-04
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1955 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Use Flocq for floatsGravatar xleroy2012-06-28
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1939 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* CSE: add recognition of some combined operators, conditions, and addressing ↵Gravatar xleroy2012-05-26
| | | | | | | | | | modes (cf. CombineOp.v) Memory model: cleaning up Memdata Inlining and new Constprop: updated for ARM. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1902 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the newmem branch:Gravatar xleroy2012-05-21
| | | | | | | | | | - Revised memory model with Max and Cur permissions, but without bounds - Constant propagation of 'const' globals - Function inlining at RTL level - (Unprovable) elimination of unreferenced static definitions git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1899 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Configuration, build and install for cchecklink. Clean-ups in myocamlbuild.ml.Gravatar xleroy2012-04-04
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1874 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* checklink: first import of Valentin Robert's validator for asm and linkGravatar xleroy2012-03-28
| | | | | | | cparser: renamed Errors to Cerrors; removed packing into Cparser. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1856 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* make clean must erase tools/ndfunGravatar xleroy2012-03-13
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1852 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Cosmetic cleanups.Gravatar xleroy2012-01-15
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1793 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the nonstrict-ops branch:Gravatar xleroy2012-01-14
| | | | | | | | | | | - Most RTL operators now evaluate to Some Vundef instead of None when undefined behavior occurs. - More aggressive instruction selection. - "Bertotization" of pattern-matchings now implemented by a proper preprocessor. - Cast optimization moved to cfrontend/Cminorgen; removed backend/CastOptim. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1790 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Changelog, doc: updated for release 1.9Gravatar xleroy2011-08-22
| | | | | | | lib/Integers, Makefile: unsuccessful experiments with coqchk git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1723 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* New backend pass "RRE": optimize (somewhat) redundant reloads introduced by ↵Gravatar xleroy2011-08-16
| | | | | | the Reload pass. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1713 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* ARM codegen ported to new ABI + VFD floatsGravatar xleroy2011-07-30
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1692 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated Makefile and dependencies. Typo in powerpc/PrintAsm.ml.Gravatar xleroy2011-07-28
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1689 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added animation of the CompCert C semantics (ccomp -interp)Gravatar xleroy2011-07-28
| | | | | | | | 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
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