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* cparser/PackedStructs: fix assertion that was wrong for 64-bit targetsXavier Leroy2016-10-241-1/+1
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* Support for 64-bit architectures: generic supportXavier Leroy2016-10-011-2/+2
| | | | | | | | | | | - Introduce Archi.ptr64 parameter. - Define module Ptrofs of integers as wide as a pointer (64 if Archi.ptr64, 32 otherwise). - Use Ptrofs.int as the offset type for Vptr values and anywhere pointer offsets are manipulated. - Modify Val operations that handle pointers (e.g. Val.add, Val.sub, Val.cmpu) so that in 64-bit pointer mode it is the "long" operation (e.g. Val.addl, Val.subl, Val.cmplu) that handles pointers. - Update the memory model accordingly. - Modify C operations that handle pointers (e.g. addition, subtraction, comparisons) accordingly. - Make it possible to turn off the splitting of 64-bit integers into pairs of 32-bit integers. - Update the compiler front-end and back-end accordingly.
* Classified all warnings and added various options.Bernhard Schommer2016-07-291-15/+13
| | | | | | | | | | Now each warning either has a name and can be turned on/off, made into an error,etc. or is a warning that always will be triggered. The message of the warnings are similar to the ones emited by gcc/clang and all fit into one line. Furthermore the diagnostics are now colored if colored output is available. Bug 18004
* Deactivate warning 27 and added back removed code.Bernhard Schommer2016-03-151-4/+4
| | | | | | The code was mostly there for documentation effort. So warning 27 is deactivated again. Bug 18349
* Code cleanup.Bernhard Schommer2016-03-101-10/+10
| | | | | | Removed some unused variables, functions etc. and resolved some problems which occur if all warnings except 3,4,9 and 29 are active. Bug 18394.
* Handle large static initializers for global arraysXavier Leroy2015-11-091-1/+1
| | | | Use tail-recursive operations to implement transformations on initializers for global arrays. This way, very large static initializers no longer cause stack overflows at compile-time.
* Updated PR by removing whitespaces. Bug 17450.Bernhard Schommer2015-10-201-4/+4
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* Extended inline asm: handle missing cases.Xavier Leroy2015-04-281-1/+1
| | | | | | Bitfields: better translation of initializers and compound literals; run this pass before unblocking. Transform.stmt: extend with ability to treat unblocked code. test/regression: more bitfield tests.
* Delay reads from !Machine.config before it is properly initialized.Xavier Leroy2015-01-221-1/+1
| | | | | | | | | | | | | Several definitions in Cutil and elsewhere were accessing the default value of !Machine.config, before it is properly initialized in Driver. Delay evaluation of these definitions, and initialize Machine.config to nonsensical values so that lack of initialization is caught early (e.g. in Cutil.find_matching_*_kind). Also, following up on commit [3b8a094], don't use "wchar_t" typedef to type wide string literals, even if this typedef is in scope. The risk here is to hide an inconsistency between "wchar_t"'s definition in standard headers and CompCert's built-in definition.
* Revised type compatibility check w.r.t. handling of attributes.Xavier Leroy2015-01-011-1/+1
| | | | | | | We now distinguish 3 modes (instead of 2 previously) for attributes: 1- strict compatibility, 2- ignore top-level attrs, 3- ignore all attrs recursively. In strict mode, const/volatile/restrict attributes must be identical, but nonstandard attributes may vary. Also: ignore top-level attrs when comparing function argument types, like GCC/Clang do. Net result is fewer warnings and type-checking that is closer to GCC/Clang.
* Support C99 compound literals (by expansion in Unblock pass).xleroy2014-08-211-0/+6
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2615 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Check in C2C that packed structs were properly emulated.xleroy2013-12-281-3/+8
| | | | | | | PackedStructs.ml: remove "packed" attribute once processed. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2388 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* PackedStructs.ml: cleanups and bug-fixesxleroy2013-10-131-14/+16
| | | | | | | Ceval.ml: tolerate non-zero integers with pointer types. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2343 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the "alignas" branch.xleroy2013-10-051-253/+133
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2342 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Bad printing of alignment on 'comm' symbols.xleroy2013-07-071-2/+2
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2291 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revert suppression of __builtin_{read,write}_reversed for x86 and ARM,xleroy2013-04-291-28/+35
| | | | | | | | for compatibility with earlier CompCert versions. But don't use them in PackedStructs. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2216 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Add __builtin_bswap16 and __builtin_bswap32 to all ports.xleroy2013-04-201-15/+35
| | | | | | | | | Remove __builtin_{read,write}_reversed from IA32 and ARM ports. Machregs: tighten destroyed_by_builtin Packedstructs: use bswap if read/write-reversed not available. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2208 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support for inline assembly (asm statements).xleroy2012-12-181-0/+4
| | | | | | | cparser: add primitive support for enum types. bitfield emulation: for bitfields with enum type, choose signed/unsigned as appropriate git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2074 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* checklink: first import of Valentin Robert's validator for asm and linkxleroy2012-03-281-1/+1
| | | | | | | 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.attributesxleroy2012-03-071-6/+24
| | | | | | | | 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
* - Support for _Alignof(ty) operator from ISO C 2011xleroy2012-02-261-0/+1
| | | | | | | | | | 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
* cparser/*: refactoring of the expansion of read-modify-write operatorsxleroy2011-11-261-40/+135
| | | | | | | | | 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
* More cleanups in packed struct emulation.xleroy2011-10-161-14/+17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1730 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised emulation of packed structsxleroy2011-10-161-55/+50
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1729 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* SimplVolatile: new pass to eliminate read-modify-write ops over volatilesxleroy2011-08-181-37/+4
| | | | | | | | 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
* cparser: support for attributes over struct and union.xleroy2011-05-121-0/+434
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
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