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* - Recognize __builtin_fabs as an operator, not just a builtin,Gravatar xleroy2013-11-06
| | | | | | | | | enabling more aggressive optimizations. - Less aggressive CSE for EF_builtin builtins, causes problems for __builtin_write{16,32}_reversed. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2363 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* MAJ release 2.1Gravatar xleroy2013-10-28
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2355 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the "alignas" branch.Gravatar xleroy2013-10-05
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2342 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Small improvements in compilation times for the register allocation pass.Gravatar xleroy2013-09-20
| | | | | | | Maps.v: add a PTree.fold1 operation that doesn't maintain the key. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2329 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Floats.v, Nan.v: hard-wire the general shape of binop_pl, so that no axioms Gravatar xleroy2013-09-14
| | | | | | | | | are necessary, only two parameters (default_pl and choose_binop_pl). SelectDiv: optimize FP division by a power of 2. ConstpropOp: optimize 2.0 * x and x * 2.0 into x + x. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2326 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Change interface of Kildall solvers to avoid precomputing the map pc -> list ↵Gravatar xleroy2013-08-12
| | | | | | of successors. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2305 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
* Treat casts int64 -> float32 as primitive operations instead of twoGravatar xleroy2013-07-03
| | | | | | | | casts int64 -> float64 -> float32. The latter causes double rounding errors. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2290 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Version 2.00 -> version 2.0Gravatar xleroy2013-06-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2286 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updates in preparation for release 2.00Gravatar xleroy2013-06-19
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2283 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated for release 2.00Gravatar xleroy2013-06-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2277 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Watch out for behaviors exponential in the nesting of struct/union types. Gravatar xleroy2013-03-23
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2158 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More aggressive CSE across Ibuiltin.Gravatar xleroy2013-03-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2152 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
* More updates for 1.13Gravatar xleroy2013-03-11
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2145 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated for version 1.13Gravatar xleroy2013-03-11
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2143 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Glasnost: making transparent a number of definitions that were opaqueGravatar xleroy2013-03-10
| | | | | | | | for no good reason. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2140 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Finished backtracking (cf previous commit) for ARM and PowerPC.Gravatar xleroy2013-03-04
| | | | | | | ARM: slightly shorter code generated for indirect memory accesses. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2137 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Partial backtracking on previous commit: the "hole in Mach stack frame" Gravatar xleroy2013-03-03
| | | | | | | | trick prevents a future mapping of the Mach/Asm call stack as a single block. IA32 is fixed, PowerPC and ARM remains to be done. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2136 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
* Constant propagation within __builtin_annot.Gravatar xleroy2013-02-24
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2126 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Pointers one pastGravatar xleroy2013-02-15
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2118 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* lib/Integers.v: revised and extended, faster implementation based onGravatar xleroy2013-02-10
| | | | | | | | bit-level operations provided by ZArith in Coq 8.4. Other modules: adapted accordingly. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2110 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Ported to Coq 8.4pl1. Merge of branches/coq-8.4.Gravatar xleroy2013-01-29
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2101 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Update for release 1.12Gravatar xleroy2013-01-09
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2097 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Support for inline assembly (asm statements).Gravatar xleroy2012-12-18
| | | | | | | 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
* Globalenvs: allocate one-byte block with permissions Nonempty for eachGravatar xleroy2012-11-12
| | | | | | | | | | | function definition, so that comparisons between function pointers are correctly defined. AST, Globalenvs, and many other files: represent programs as a list of (function or variable) definitions instead of two lists, one for functions and the other for variables. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2067 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Flocq-based parsing of floating-point literals (Jacques-Henri Jourdan)Gravatar xleroy2012-11-03
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2065 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Generate output files in current directory; can be overriden with -o optionGravatar xleroy2012-10-08
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2061 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch seq-and-or. See Changelog for details.Gravatar xleroy2012-10-06
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2059 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More aggressive elimination of conditional branches during constantGravatar xleroy2012-08-01
| | | | | | | | | propagation, taking better advantage of inferred constants. Helps with the compilation of && and || operators. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1987 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
* Preparation for release 1.11Gravatar xleroy2012-07-13
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1975 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added option -falign-functionsGravatar xleroy2012-07-01
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1945 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Changelog: updatedGravatar xleroy2012-06-28
| | | | | | | | | | driver/Interp.ml: clean up dead code lib/Integers.v: add shifted_or_is_add lib/Floats.v: add from_words_eq .depend: updated git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1940 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Make min_int / -1 and min_int % -1 semantically undefinedGravatar xleroy2012-06-09
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1919 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* MAJ docGravatar xleroy2012-03-12
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1850 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of Andrew Tolmach's HASP-related changesGravatar xleroy2012-03-09
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1838 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* PowerPC: remove the fmadd and fmsub operators/Asm instructionsGravatar xleroy2012-03-07
| | | | | | | | (definitely not semantics-preserving; hard to justify). CPragmas: make sure SDAs are not recognized on MacOSX. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1836 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Added command-line options -Wp,<opt> -Wa,<opt> -Wl,<opt>Gravatar xleroy2012-02-29
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1832 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
* Translate CompCert C's "a ? b : c" to the equivalent simple Clight expr ifGravatar xleroy2012-02-25
| | | | | | | b and c are simple. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1826 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* 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
* UpdateGravatar xleroy2011-11-27
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1742 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
* 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
* MAJGravatar xleroy2011-08-16
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1714 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* ARM: added reversed load/store builtins + bswap builtin (to be tested)Gravatar xleroy2011-07-30
| | | | | | | | IA32: added bswap builtin Updated Changelog git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1693 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e