

@2690

7 years 
campbell 
Most of the measurable subtrace preservation proof done.



@2685

7 years 
campbell 
Progress on measurable trace preservation: prefix preserves observable …



@2682

7 years 
campbell 
Don't apply inv in after_n_steps to last state.



@2678

7 years 
campbell 
Switch to single source step simulations for frontend measurable …



@2673

7 years 
tranquil 
corrected some compilation errors (that might depend on some matita update)



@2670

7 years 
campbell 
Clean up from recent commits.



@2669

7 years 
campbell 
Tweak exec_steps output; show that simulations extend to measurable …



@2668

7 years 
campbell 
Intermediate measurable proof checkin before I change its traces again.



@2646

7 years 
sacerdot 
A tag was classified as an error message. Fixed.



@2645

7 years 
sacerdot 
1. some broken backend files repaires, several still to go
2. the …



@2644

7 years 
campbell 
Commit some work on FEMeasurable before trying to do something nicer …



@2641

7 years 
piccolo 
defined dummy block code equals to 0



@2624

7 years 
campbell 
Properly evict unused and axiomatised Floats.



@2618

7 years 
campbell 
Tidy up measurable a little.



@2617

7 years 
campbell 
Trivial simplification on split_trace.



@2608

7 years 
garnier 
Regions are no more stored in blocks. block_region now tests the id, …



@2604

7 years 
piccolo 
ERTLtoERTLptr in place.



@2603

7 years 
piccolo 
Dead code commented out.



@2601

7 years 
sacerdot 
Extraction to ocaml is now working, with a couple of bugs left.
One …



@2599

7 years 
tranquil 
* map_opt and map on positive maps are now clean (erase empty …



@2597

7 years 
campbell 
Some work in progress on measurable subtrace preservation.



@2596

7 years 
campbell 
Use a simpler stack cost map, and then specialise to each semantics.



@2590

7 years 
piccolo 
added monad machineary for ERTL to ERTLptr translation
eval_seq_no_pc …



@2582

7 years 
garnier 
Some progress on CL to CM.



@2570

7 years 
piccolo 
ERTLtoERTLptr in place



@2569

7 years 
campbell 
Fix Clight semantics for ptr + char. (Compiler works anyway.)



@2553

7 years 
tranquil 
as_classify changed to a partial function
added a status for tailcalls



@2548

7 years 
tranquil 
in BackEndOps?, cleaner def of be_op2
new statement of …



@2541

7 years 
tranquil 
adapted size notation to last matita lib update (01/12/2012)
that …



@2540

7 years 
tranquil 
cl_jump case now provides a proof of costedness of the following state



@2539

7 years 
tranquil 
added cl_jump case to trace_any_any_free



@2534

7 years 
campbell 
Tweak measurable definition to stop at the return from a function.



@2533

7 years 
campbell 
Some fall out from removing floats.



@2531

7 years 
mckinna 
Trivial tweaks.



@2530

7 years 
tranquil 
temporary switch to cl_jump treated as cl_other
fixed script for new …



@2511

7 years 
campbell 
Conjecture main Cminor/RTLabs simulation results.
Add a few notes …



@2508

7 years 
mckinna 
more tweaks. compiler and correctness still build.



@2503

7 years 
mckinna 
tidied up, with new auxiliary defns, some refactoring, some code …



@2502

7 years 
campbell 
Sketch a little about how measurable traces might work with RTLabs and …



@2500

7 years 
garnier 
Continuing work on simulation in Clight/Cminor?



@2496

7 years 
garnier 
Some tentative work on the simulation proof for expressions, in order …



@2487

7 years 
campbell 
Set up "after_n_steps" to enforce an invariant on states.



@2486

7 years 
campbell 
First go at a generalised version of measurable.



@2478

7 years 
tranquil 
unified is_internal_function_of_program and is_internal_function



@2477

7 years 
tranquil 
status_simulation reformulated
definition of joint_classify split up …



@2476

7 years 
piccolo 
fixed commutation lemmas in lineariseProof
started proof of main …



@2474

7 years 
tranquil 
changed form of a statement



@2473

7 years 
tranquil 
put some generic stuff we need in the back end in extraGlobalenvs …



@2471

7 years 
campbell 
Tame global environments a little.



@2470

7 years 
tranquil 
completely separated program counters from code pointers in joint …



@2468

7 years 
garnier 
Floats are gone from the frontend. Some trace amount might remain in …



@2463

7 years 
tranquil 
swapped back call_rel and ret_rel…



@2462

7 years 
tranquil 
separated in back end values program counters from code pointers …



@2459

7 years 
campbell 
Syntax update



@2457

7 years 
tranquil 
rewritten function handling in joint
swapped call_rel with ret_rel in …



@2453

7 years 
tranquil 
come changes in monad notation to
* avoid pretty printed monsters
* …



@2444

7 years 
campbell 
Some inversion lemmas for after_n_steps for dealing with >1 source …



@2443

7 years 
tranquil 
changed joint's stack pointer and internal stack



@2439

7 years 
campbell 
Get a proper reverse mapping of function blocks to identifiers by …



@2436

7 years 
tranquil 
small changes



@2435

7 years 
tranquil 
new back end operations



@2432

7 years 
campbell 
Remove offtheend pointers from front end ops.



@2429

7 years 
garnier 
Restrict semantics of pointer comparison to what CompCert? does  i.e. …



@2428

7 years 
campbell 
Tighten requirements on switch statements in Clight to only give …



@2426

7 years 
boender 
 updated stacksize to reflect new developments, completed proof
 …



@2423

7 years 
tranquil 
as_classifier predicate → as_classify function
as_call predicate from …



@2421

7 years 
tranquil 
added simulation of flat prefix, and comments to explain the code



@2420

7 years 
campbell 
Tidy away generic results about folds on positive/identifier maps.



@2418

7 years 
campbell 
Add a checking function for the uniqueness of cost labels in RTLabs …



@2417

7 years 
boender 
 reverted changes to StructuredTraces? (shouldn't have been committed …



@2415

7 years 
campbell 
Add the ability to map blocks to symbols in preparation for stack space.



@2413

7 years 
tranquil 
* tal_rel corrected to include cases where tal_base_call \approx …



@2398

7 years 
boender 
 committed start of stacksize



@2395

7 years 
campbell 
Proper handling of comparison of pointers offtheend of an object.
We …



@2338

7 years 
campbell 
Use much nicer definition for making several steps in the labelling …



@2335

7 years 
campbell 
Deal with goto labels in RTLabs to Cminor by fixing up goto statements …



@2332

7 years 
garnier 
Some progress on switch removal. Small fix in the definition of free, …



@2319

7 years 
campbell 
Generate perprogram cost labels rather than perfunction ones, and …



@2314

7 years 
campbell 
Move generic definitions from recent commit to appropriate places.



@2307

7 years 
campbell 
Half the proofs for sound cost labelling check.



@2305

7 years 
campbell 
RTLabs cost spec checking function implemented (lacks proof, or much …



@2303

7 years 
campbell 
Some preliminary checking of cost labelling properties in RTLabs.



@2299

7 years 
campbell 
Soundly labelled RTLabs structured traces are "unrepeating".



@2296

7 years 
campbell 
Tidy up some illplaced definitions.



@2286

7 years 
tranquil 
Big update!
* merge of all _paolo variants
* reorganised some depends …



@2277

8 years 
tranquil 
* replaced incorrect use of subvector_with



@2275

8 years 
tranquil 
* moved around some code (I8051.ma does not depend on ByteValues?.ma …



@2226

8 years 
campbell 
Whole program proof.



@2222

8 years 
sacerdot 
More robust to possible future changes to the "in match" semantics …



@2218

8 years 
campbell 
Separate out cost properties required of RTLabs programs from the …



@2206

8 years 
campbell 
Add note about cost maps to simulation definition.



@2203

8 years 
campbell 
A general result about simulations of executions.



@2202

8 years 
campbell 
Start defining equivalent executions.



@2186

8 years 
tranquil 
updated joint semantics



@2185

8 years 
campbell 
Use bitvectors for offsets.



@2182

8 years 
tranquil 
updated linearisation pass



@2180

8 years 
campbell 
Fix offbyone error in GenMem?.ma.



@2177

8 years 
campbell 
Tidy up multiplication.



@2176

8 years 
campbell 
Remove memory spaces other than XData and Code; simplify pointers as a …



@2155

8 years 
tranquil 
updates to blocks and RTLabs to RTL translation (which sidesteps …


