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* Extraction: map Coq pairs to Caml pairs and Coq chars (type ascii) to Caml charsxleroy2011-10-181-5/+5
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1732 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised emulation of packed structsxleroy2011-10-162-8/+8
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1729 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Watch out for min_int / -1xleroy2011-08-271-1/+11
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1727 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Cleaned up old commented-out partsxleroy2011-08-193-51/+0
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1719 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More careful treatment of 'load immediate 0' as 'xor self'xleroy2011-08-185-36/+24
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1718 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Forgot to update: adding xchg instructionxleroy2011-08-161-0/+2
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1712 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Locations.v: add Loc.diff_dec.xleroy2011-08-145-141/+133
| | | | | | | | ia32: lift restriction that 1st arg of ops cannot be ECX (could be useful for a future, better reloading strategy) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1711 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* IA32 PrintAsm.ml: wrong moves generated in print_builtin_memcpy_bigxleroy2011-08-101-8/+20
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1706 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* IA32 port: more faithful treatment of pseudoregister ST0.xleroy2011-08-084-21/+63
| | | | | | | Related general change: support for destroyed_at_moves. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1700 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Cleaned up handling of composite conditionsxleroy2011-08-056-99/+311
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1699 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* ARM: added reversed load/store builtins + bswap builtin (to be tested)xleroy2011-07-302-0/+8
| | | | | | | | IA32: added bswap builtin Updated Changelog git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1693 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added animation of the CompCert C semantics (ccomp -interp)xleroy2011-07-281-64/+45
| | | | | | | | 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
* Merge of branch new-semantics: revised and strengthened top-level statements ↵xleroy2011-07-152-6/+68
| | | | | | of semantic preservation. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1683 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised handling of annotation statements, and more generally built-in ↵xleroy2011-06-135-54/+195
| | | | | | functions, and more generally external functions git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1672 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Nicer printing of annotations.xleroy2011-05-232-5/+39
| | | | | | | ia32: support builtins for reversed reads and writes (facilitates testing). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1655 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* cparser/StructAssign: always use __builtin_memcpy + alignment indicationxleroy2011-05-112-49/+102
| | | | | | | | | | (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
* Added pass CleanupLabels to remove unreferenced labels in a proved way.xleroy2011-05-082-23/+19
| | | | | | | | | | 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
* cparser/Elab: __attribute, not attributexleroy2011-04-161-2/+2
| | | | | | | | 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
* Preliminary support for 'aligned' and 'section' attributes, gcc-style. ↵xleroy2011-04-161-23/+47
| | | | | | New-style handling of sections for IA32 and ARM. Work in progress, to be tested. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1635 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Renamed Machconcr into Machsem.xleroy2011-04-093-59/+59
| | | | | | | | Removed Machabstr and Machabstr2concr, now useless following the reengineering of Stacking. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1633 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch "unsigned-offsets":xleroy2011-04-0912-341/+626
| | | | | | | | | | | | | | - 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
* Use movapd instead of movsd for xmm reg-reg move: it avoids partial register ↵xleroy2010-11-281-1/+1
| | | | | | stalls, resulting in tiny speedups. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1556 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* float->int conversions, continued: weaker axiomatization.xleroy2010-10-291-2/+2
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1545 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Float.intoffloat and Float.intuoffloat are now partial functions.xleroy2010-10-284-12/+25
| | | | | | | (May fail if float is too big to be converted.) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1544 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Commentsxleroy2010-09-101-8/+10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1508 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Improvements for int8 and int16 storesxleroy2010-09-104-11/+53
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1507 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updates for IA32-Cygwin.xleroy2010-09-081-9/+9
| | | | | | | | 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
* Update: adding __builtin_annotationxleroy2010-09-041-1/+36
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1503 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support for __builtin_fmax and __builtin_fminxleroy2010-09-042-1/+22
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1501 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the reuse-temps branch:xleroy2010-09-0221-0/+9905
- Reload temporaries are marked as destroyed (set to Vundef) across operations in the semantics of LTL, LTLin, Linear and Mach, allowing Asmgen to reuse them. - Added IA32 port. - Cleaned up float conversions and axiomatization of floats. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1499 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e