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* Rename "-fthumb" option into "-mthumb" for GCC compatibility.Gravatar xleroy2014-08-19
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2572 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Nicer reporting of I/O errors (e.g. "No such file").Gravatar xleroy2014-08-13
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2564 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* PowerPC port: refactored the expansion of built-in functions andGravatar xleroy2014-07-28
| | | | | | | | | | pseudo-instructions so that it does not need to be re-done in cchecklink. cchecklink: updated accordingly. testsuite: compile with -sdump and run cchecklink if supported. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2553 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* ARM port: add support for Thumb2. To be tested.Gravatar xleroy2014-07-27
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2549 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Constprop: use "not" for "xorimm(-1)"; optimize == 1 and != 0 comparisons ↵Gravatar xleroy2014-04-09
| | | | | | | | | | over booleans. Select*: more systematic constant propagation; don't CP shifts by amounts outside of [0..31]. Driver: timer for whole compilation. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2452 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch linear-typing:Gravatar xleroy2014-04-06
| | | | | | | | | | | | | | | | | | | | | | | 1) Revised division of labor between RTLtyping and Lineartyping: - RTLtyping no longer keeps track of single-precision floats, switches from subtype-based inference to unification-based inference. - Unityping: new library for unification-based inference. - Locations: don't normalize at assignment in a stack slot - Allocation, Allocproof: simplify accordingly. - Lineartyping: add inference of locations that contain a single-precision float. - Stackingproof: adapted accordingly. This addresses a defect report whereas RTLtyping was rejecting code that used a RTL pseudoreg to hold both double- and single-precision floats (see test/regression/singlefloats.c). This corresponds to commits 2435+2436 plus improvements in Lineartyping. 2) Add -dtimings option to measure compilation times. Moved call to C parser from Elab to Parse, to make it easier to measure parsing time independently of elaboration time. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2449 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Add option -Os to optimize for code size rather than for execution speed.Gravatar xleroy2014-02-19
| | | | | | | | Refactored compilation flags that affect the Coq part (module Compopts). Added support for C99 for loops with declarations. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2410 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Recognize .i and .p source files as C sources not to be preprocessed.Gravatar xleroy2014-02-05
| | | | | | | Add CompCert version number and command line as comments in generated asm. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2407 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* - Back to origins: suppress Mfloat64al32 chunk and align Mfloat64 to 4.Gravatar xleroy2014-01-12
| | | | | | | - Revised printing of intermediate RTL code. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2403 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* More tolerance for functions declared without a prototypeGravatar xleroy2013-12-28
| | | | | | | | (option -funprototyped, on by default). Error if call to vararg function and -fvararg-calls is off. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2389 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Simpler, more robust emulation of calls to variadic functions:Gravatar xleroy2013-12-28
| | | | | | | | | | | | | | - C function types and Cminor signatures annotated by calling conventions. esp. vararg / not vararg - Cshmgen: generate correct code for function call where there are more arguments than listed in the function prototype. This is still undefined behavior according to the formal semantics, but correct code is generated. - C2C, */PrintAsm.ml: remove "printf$iif" hack. - powerpc/, checklink/: don't generate stubs for variadic functions. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2386 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Revised parsing of command-line options, more GCC-like.Gravatar xleroy2013-12-21
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2384 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of branch value-analysis.Gravatar xleroy2013-12-20
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2381 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Rename "-fno-sse" into "-fno-fpu" and honor it on PowerPC as well.Gravatar xleroy2013-11-27
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2374 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Compile in debug mode and activate stack backtraces.Gravatar xleroy2013-07-07
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2292 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Add option -fno-tailcalls to turn off tailcall elimination (causes problem ↵Gravatar xleroy2013-05-17
| | | | | | | | | with some static analysis tools). */PrintAsm.ml: don't cfa_adjust at Pfreeframe, as more code from the function can appear after (in case of tailcalls). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2256 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Preliminary support for debugging info (-g).Gravatar xleroy2013-05-17
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2253 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* driver: removed option -flonglongGravatar xleroy2013-04-22
| | | | | | | | test/c: added SHA3 cfrontend: support casts between long long and pointers, and comparisons between them. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2213 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Big merge of the newregalloc-int64 branch. Lots of changes in two directions:Gravatar xleroy2013-04-20
| | | | | | | | | 1- new register allocator (+ live range splitting, spilling&reloading, etc) based on a posteriori validation using the Rideau-Leroy algorithm 2- support for 64-bit integer arithmetic (type "long long"). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2200 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Updated PowerPC port to new integers.Gravatar xleroy2013-02-12
| | | | | | | Added options -falign-branch-targets and -falign-cond-branches (experimental). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2113 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Be more like gcc in the way we display or not the usage message.Gravatar xleroy2013-02-12
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2112 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
* Better treatment of volatile accesses in the reference interpreter.Gravatar xleroy2013-01-08
| | | | | | | Suppressed option -randvol. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2092 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the clightgen branch:Gravatar xleroy2012-12-29
| | | | | | | | | | | | | | | | | | - Alternate semantics for Clight where function parameters are temporaries, not variables - New pass SimplLocals that turns non-addressed local variables into temporaries - Simplified Csharpminor, Cshmgen and Cminorgen accordingly - SimplExpr starts its temporaries above variable names, therefoe Cminorgen no longer needs to encode variable names and temps names. - Simplified Cminor parser & printer, as well as Errors, accordingly. - New tool clightgen to produce Clight AST in Coq-parsable .v files. - Removed side condition "return type is void" on rules skip_seq in the semantics of CompCert C, Clight, C#minor, Cminor. - Adapted RTLgenproof accordingly (now uses a memory extension). git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2083 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
* 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
* 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
* Added option -falign-functionsGravatar xleroy2012-07-01
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1945 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the newmem branch:Gravatar xleroy2012-05-21
| | | | | | | | | | - Revised memory model with Max and Cur permissions, but without bounds - Constant propagation of 'const' globals - Function inlining at RTL level - (Unprovable) elimination of unreferenced static definitions git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1899 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* 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
* Option -randvol to expose randomization of volatiles in Interp.mlGravatar xleroy2012-03-12
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1849 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
* 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
* 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
* 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
* 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
* 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
* 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
* 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
* Revised signed/unsigned char handling.Gravatar xleroy2011-03-10
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1599 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Treat "char" as unsigned OR signed depending on the configuration.Gravatar xleroy2011-03-09
| | | | | | | Fixed infinite expansion of some recursive struct type where recursion goes through a typeded. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1596 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Various algorithmic improvements that reduce compile times (thanks Alexandre ↵Gravatar xleroy2010-10-27
| | | | | | | | | | | | | | Pilkiewicz): - Lattice: preserve sharing in "combine" operation - Kildall: use splay heaps (lib/Heaps.v) for node sets - RTLgen: add a "nop" before loops so that natural enumeration of nodes coincides with (reverse) postorder - Maps: add PTree.map1 operation, use it in RTL and LTL. - Driver: increase minor heap size git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1543 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Simplified stdlib wrapper; use it only under MacOS XGravatar xleroy2010-09-04
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1502 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Merge of the reuse-temps branch:Gravatar xleroy2010-09-02
| | | | | | | | | | | | - 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
* Renamed C2Clight into C2CGravatar xleroy2010-08-18
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1468 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
* Cleaned up handling of linker sections.Gravatar xleroy2010-05-08
| | | | | | | Minor updates on ARM code generator. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1339 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
* Options -I -D -U with a spaceGravatar xleroy2010-03-30
| | | | git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@1302 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
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