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* 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
* Cprint: export Cprint.attributesGravatar xleroy2012-03-07
| | | | | | | | PackedStructs: honor 'aligned' attribute on packed struct fields C2C: warn for ignored 'aligned' attributes git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1837 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Problems with multiple declarations of publically-visible identifiersGravatar xleroy2012-02-29
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1831 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* 'typeof' is not a keywordGravatar xleroy2012-02-29
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1829 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* - Support for _Alignof(ty) operator from ISO C 2011Gravatar xleroy2012-02-26
| | | | | | | | | | and __alignof__(ty), __alignof__(expr) from GCC. - Resurrected __builtin_memcpy_aligned, useful for files generated by Scade KCG 6. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1827 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Interp: help debug stuck expressionsGravatar xleroy2012-02-10
| | | | | | | | StructReturn: was building an ill-typed Ecomma expression Cutil: export "ecast" git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1816 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the "volatile" branch:Gravatar xleroy2012-02-04
| | | | | | | | | | | | - native treatment of volatile accesses in CompCert C's semantics - translation of volatile accesses to built-ins in SimplExpr - native treatment of struct assignment and passing struct parameter by value - only passing struct result by value remains emulated - in cparser, remove emulations that are no longer used - added C99's type _Bool and used it to express || and && more efficiently. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1814 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser/*: refactoring of the expansion of read-modify-write operatorsGravatar xleroy2011-11-26
| | | | | | | | | cparser/PackedStructs: treat r-m-w operations over byte-swapped fields cparser/PackedStructs: allow static initialization of packed structs test/regression: more packedstruct tests git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1738 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Corrected initialization of char arrays by string literals.Gravatar xleroy2011-10-17
| | | | | | | Added -flongdouble option (to turn long double into double) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1731 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More cleanups in packed struct emulation.Gravatar xleroy2011-10-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1730 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised emulation of packed structsGravatar xleroy2011-10-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1729 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* arm/PrintAsm: don't generate "vfd" directive, useless?Gravatar xleroy2011-08-22
| | | | | | | cparser: distinguish more carefully between lvalues and modifiable lvalues. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1722 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Wrong check: &e must be rejected if e has array type and is not a l-value.Gravatar xleroy2011-08-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1720 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Presimplification SimplVolatile: cleaned up and integrated.Gravatar xleroy2011-08-18
| | | | | | test/*/Makefile: normalized 'bench' target git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1717 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* SimplVolatile: new pass to eliminate read-modify-write ops over volatilesGravatar xleroy2011-08-18
| | | | | | | | Elsewhere: refactoring, moving common code into Cutil and Transform (to be continued) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1716 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Factor out bind_lvalueGravatar xleroy2011-08-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1715 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More vigorous scrubbing of r-value structsGravatar xleroy2011-08-09
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1702 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Improved treatment of structs/unions as r-valuesGravatar xleroy2011-08-08
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1701 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
* Check for duplicate label definitionsGravatar xleroy2011-07-18
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1687 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More precise typechecking of statementsGravatar xleroy2011-07-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1686 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* In conditional expressions e1 ? e2 : e3, cast the results of e2 and e3 to ↵Gravatar xleroy2011-07-16
| | | | | | | | | the type of the whole conditional expression. Replaced predicates "cast", "is_true" and "is_false" by functions "sem_cast" and "bool_val". git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1684 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised handling of annotation statements, and more generally built-in ↵Gravatar xleroy2011-06-13
| | | | | | functions, and more generally external functions git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1672 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Silence a warning that happens all too often in MacOS XGravatar xleroy2011-05-12
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1654 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser: support for attributes over struct and union.Gravatar xleroy2011-05-12
| | | | | | | | cparser: added experimental emulation of packed structs (PackedStruct.ml) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1650 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser/StructAssign: always use __builtin_memcpy + alignment indicationGravatar xleroy2011-05-11
| | | | | | | | | | (simpler and globally more efficient) cfrontend/C2C.ml: specialization of __builtin_memcpy over size */PrintAsm.ml: revised expansion of __builtin_memcpy_* ia32/Asm.ml: typo in comment git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1649 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* powerpc/PrintAsm.ml arm/PrintAsm.ml: updated (no label elimination).Gravatar xleroy2011-05-08
| | | | | | | | | | Added -dmach option and corresponding printer for Mach code. CleanupLabelsproof.v: fixed for ARM Driver.ml: -E sends output to stdout; support for .s and .S source files. cparser/Elab.ml: spurious comment deleted. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1648 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added pass CleanupLabels to remove unreferenced labels in a proved way.Gravatar xleroy2011-05-08
| | | | | | | | | | ia32/PrintAsm.ml: simplified accordingly; other PrintAsm.ml to be fixed. ia32/Asm.v: Pmov_ri can undef flags (if translated to xor) cparser/Ceval.ml: treat ~ in constant exprs git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1647 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support compile-time constant expressions as arguments to gcc-style attributesGravatar xleroy2011-04-20
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1641 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Use memcpy_word only if alignment AND size are multiples of word size.Gravatar xleroy2011-04-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1638 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser/Elab: __attribute, not attributeGravatar xleroy2011-04-16
| | | | | | | | ia32/PrintAsm: wrong section name regression: added test attribs1 git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1636 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised handling of GCC attributes. Preliminary, untested support for ↵Gravatar xleroy2011-04-14
| | | | | | __aligned__ attribute git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1634 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised handling of sizeof(string-literal)Gravatar xleroy2011-03-15
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1611 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Bitfields: MSB-to-LSB in addition to LSB-to-MSBGravatar xleroy2011-03-10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1600 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* In StructAssign: be careful not to duplicate accesses to a volatile variable.Gravatar xleroy2010-11-10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1551 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Inconsistent treatment of "lone" zero-width bit fieldsGravatar xleroy2010-09-24
| | | | | | | (i.e. not preceded by another bit field). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1516 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updates for IA32-Cygwin.Gravatar xleroy2010-09-08
| | | | | | | | cparser/Elab.ml: tolerate changes in qualifiers in ?: cfrontend/C2C.ml: revise info attached to atoms; treat inline functions as static. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1506 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Adding __builtin_annotationGravatar xleroy2010-09-01
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1497 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Bugs with 1- empty bitfields, 2- anonymous bitfields, 3- result type of ↵Gravatar xleroy2010-09-01
| | | | | | reading a small unsigned bitfield git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1496 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branches/full-expr-4:Gravatar xleroy2010-08-18
| | | | | | | | | | | | | | | | | | | | | | - 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
* Wrong cast in constant_exprGravatar xleroy2010-08-04
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1449 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Preliminary support for gcc-style __attribute__ over typesGravatar xleroy2010-07-08
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1377 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Bug in cparser/AddCasts.ml.Gravatar xleroy2010-07-08
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1376 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* __builtin_memcpy, continued.Gravatar xleroy2010-04-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1320 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support __builtin_memcpy; use it for struct assignmentGravatar xleroy2010-04-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1319 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Bug fix: infinite loop in cparser/ on bit field of size 32 bits.Gravatar xleroy2010-04-09
| | | | | | | | Algorithmic efficiency: in cparser/, precompute sizeof and alignof of composites. Code cleanup: introduced Cutil.composite_info_{def,decl} git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1312 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Static initialization of structs with bitfieldsGravatar xleroy2010-04-07
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1311 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* In cparser/SimplExpr.ml:Gravatar xleroy2010-04-02
| | | | | | | | - wrong simplification of && and || in the Set case - generated nicer code for && and || in the Eval case git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1308 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser/AddCasts.ml: forgot to materialize cast at return statement.Gravatar xleroy2010-04-01
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1307 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Handling of builtins, continued.Gravatar xleroy2010-03-07
| | | | | | | PrintCsyntax, PrintAsm: improve printing of float literals. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1284 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e