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* More aggressive common subexpression elimination (CSE) of memory loads.Gravatar xleroy2012-02-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1823 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Simplified and cleaned up the passing of information from C2C to PrintAsm, ↵Gravatar xleroy2012-02-22
| | | | | | as well as the handling of sections. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1822 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* The C declaration associated with __stringlit_N globals now has type const ↵Gravatar xleroy2012-02-20
| | | | | | char[N] instead of const char * as before (for no good reason). In particular, it means that string literals now have alignment 1, as they should. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1821 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Don't print external declarations for builtins.Gravatar xleroy2012-02-18
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1818 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Work around limited excursion of conditional branchesGravatar xleroy2012-02-13
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1817 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
* Initializers: handle By_copy accesses (e.g. for &(glob.field))Gravatar xleroy2012-02-07
| | | | | | | | | C2C: insert the correct Evalof for structs; clean up unused memcpy stuff test/regression: run with interpreter test/regression: add test cas &(glob.field) to initializers.c git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1815 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
* Out-of-bounds error in testGravatar xleroy2012-01-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1802 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Another typo in print_builtin_vstore_commonGravatar xleroy2012-01-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1801 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Typo in print_builtin_vstore_commonGravatar xleroy2012-01-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1800 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* powerpc/SelectOp: optimize the pattern ((x >>s N) & N1) & N2 common in a ↵Gravatar xleroy2012-01-21
| | | | | | | | | certain customer's code backend/Coloringaux: avoid spilling the dummy result registers for built-ins that have no result. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1799 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
* Added volatile_read_global and volatile_store_global builtins.Gravatar xleroy2012-01-15
| | | | | | | Finished updating IA32 and ARM ports. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1792 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
* UpdateGravatar xleroy2011-11-27
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1742 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More careful updating of current location for error msgs.Gravatar xleroy2011-11-26
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1739 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
* Fixed serious bug in handling of volatile arrays.Gravatar xleroy2011-11-26
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1737 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Interp: accommodate "int main(int, char **)".Gravatar xleroy2011-10-19
| | | | | | | Driver: dead code removed. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1733 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Extraction: map Coq pairs to Caml pairs and Coq chars (type ascii) to Caml charsGravatar xleroy2011-10-18
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1732 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
* Watch out for min_int / -1Gravatar xleroy2011-08-27
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1727 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Doc fixesGravatar xleroy2011-08-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1726 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* MAJ licenceGravatar xleroy2011-08-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1725 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
* 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
* Harden proof script against empty destroyed_at_moveGravatar xleroy2011-08-22
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1721 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
* Cleaned up old commented-out partsGravatar xleroy2011-08-19
| | | | 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'Gravatar xleroy2011-08-18
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1718 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
* MAJGravatar xleroy2011-08-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1714 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
* Forgot to update: adding xchg instructionGravatar xleroy2011-08-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1712 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Locations.v: add Loc.diff_dec.Gravatar xleroy2011-08-14
| | | | | | | | 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_bigGravatar xleroy2011-08-10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1706 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* IA32: wrong moves generated in print_builtin_memcpy_big.Gravatar xleroy2011-08-10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1705 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Treatment of volatiles: offer the choice between random reads and treating ↵Gravatar xleroy2011-08-09
| | | | | | volatile accesses like regular loads and stores. (The latter is needed e.g. for Csmith testing.) git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1703 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
* IA32 port: more faithful treatment of pseudoregister ST0.Gravatar xleroy2011-08-08
| | | | | | | 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 conditionsGravatar xleroy2011-08-05
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1699 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Wrong ifdef PPCGravatar xleroy2011-08-05
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1698 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More builtins for ARM and PowerPCGravatar xleroy2011-08-05
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1697 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* arm/PrintAsm: bugs in expansion of new builtinsGravatar xleroy2011-08-05
| | | | | | | test/: testing the builtins git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1696 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e