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* Add some testsnicolas.nardino2021-06-081-2/+2
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* Merge remote-tracking branch 'origin/kvx-work' into merge_master_8.13.1Cyril SIX2021-06-011-0/+28
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| * Merge remote-tracking branch 'origin/manuscript' into kvx-worksubmission_OOPSLA2021_AARCH64_KVXCyril SIX2021-04-131-0/+28
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| | * Getting all loop bodiesCyril SIX2021-04-021-0/+14
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| | * Simple backedge detection (modified code from get_loop_headers)Cyril SIX2021-04-021-0/+14
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* | | [BROKEN] Merge with v3.9 : something broken for __builtin_expect in ↵Cyril SIX2021-06-0122-104/+131
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* | | replacing omega with lia in some fileLéo Gourdin2021-03-293-8/+11
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* | | Merge branch 'master' into merge_master_8.13.1Sylvain Boulmé2021-03-2315-428/+456
|\ \ \ | |/ / |/| | | | | | | | | | | | | | | | | | | | PARTIAL MERGE (PARTLY BROKEN). See unsolved conflicts in: aarch64/TO_MERGE and riscV/TO_MERGE WARNING: interface of va_args and assembly sections have changed
| * | Section handling: finer control of variable initializationXavier Leroy2021-02-232-25/+54
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Distinguish between: - uninitialized variables, which can go in COMM if supported - variables initialized with fixed, numeric quantities, which can go in a readonly section if "const" - variables initialized with symbol addresses which may need relocation, which cannot go in a readonly section even if "const", but can go in a special "const_data" section. Also: on macOS, use ".const" instead of ".literal8" for literals, as not all literals have size 8.
| * | Qualify `Hint` as `Global Hint` where appropriateXavier Leroy2021-01-216-12/+12
| | | | | | | | | | | | | | | | | | | | | This avoids a new warning of Coq 8.13. Eventually these `Global Hint` should become `#[export] Hint`, with a cleaner but different meaning than `Global Hint`.
| * | Replace `omega` tactic with `lia`Xavier Leroy2020-12-2912-382/+382
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since Coq 8.12, `omega` is flagged as deprecated and scheduled for removal. Also replace CompCert's homemade tactics `omegaContradiction`, `xomega`, and `xomegaContradiction` with `lia` and `extlia`. Turn back on the deprecation warning for uses of `omega`. Make the proof of `Ctypes.sizeof_pos` more robust to variations in `lia`.
| * | Changed cc_varargs to an option typeBernhard Schommer2020-12-251-5/+5
| | | | | | | | | | | | | | | | | | Instead of being a simple boolean we now use an option type to record the number of fixed (non-vararg) arguments. Hence, `None` means not vararg, and `Some n` means `n` fixed arguments followed with varargs.
* | | Merge remote-tracking branch 'origin/riscV-cmov' into riscv-workLéo Gourdin2021-03-021-0/+21
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| * | | has_type_bDavid Monniaux2021-01-301-0/+21
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* / | Expansion of Ccompimm in RTL [Admitted checker]Léo Gourdin2021-02-021-1/+1
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* | Merge branch 'kvx-work' into aarch64-peepholeSylvain Boulmé2021-01-071-0/+118
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| * | Uniformizing a couple of debug print functionsCyril SIX2020-12-171-0/+118
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* | | Val_cmp* -> Val.mxcmp*Sylvain Boulmé2021-01-071-0/+49
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* | Merge branch 'kvx-work' into kvx-work-merge3.8Cyril SIX2020-12-042-0/+33
|\ \ | | | | | | | | | | | | | | | Conflicts: Makefile configure
| * \ Merge remote-tracking branch 'origin/kvx-work' into kvx-test-prepassCyril SIX2020-12-011-1/+0
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: arm/Op.v common/Values.v kvx/Op.v
| | * | missing lemmasDavid Monniaux2020-11-251-0/+21
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| * | | proves op_valid_pointer_eq lemma for RISC-V (necessary for the pre-pass ↵Sylvain Boulmé2020-10-171-0/+22
| | | | | | | | | | | | | | | | scheduler)
| * | | Characterizing Op dependency on memorySylvain Boulmé2020-07-081-0/+12
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* | | Merge branch 'master' (Absint 3.8) into kvx-work-merge3.8David Monniaux2020-11-182-1/+7
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| * Add __builtin_sqrt as synonymous for __builtin_fsqrtXavier Leroy2020-07-271-0/+1
| | | | | | | | __builtin_sqrt (no "f") is the name used by GCC and Clang.
| * Add support for __builtin_fabsfXavier Leroy2020-07-271-0/+5
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| * Transform non-recursive Fixpoint into DefinitionXavier Leroy2020-06-211-1/+1
| | | | | | | | | | | | | | As detected by the new warning in Coq 8.12. The use of Fixpoint here is not warranted and either an oversight or a leftover from an earlier version.
* | Merge remote-tracking branch 'origin/mppa-profiling' into mppa-featuresDavid Monniaux2020-04-123-15/+75
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| * | fix reverse printing problem for hashesDavid Monniaux2020-04-111-1/+8
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| * | print hashesDavid Monniaux2020-04-082-3/+4
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| * | begin installing profilingDavid Monniaux2020-04-083-7/+8
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| * | added EF_profilingDavid Monniaux2020-04-083-14/+65
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* | | Merge remote-tracking branch 'origin/mppa-work' into mppa-threadDavid Monniaux2020-04-085-37/+108
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| * | Merge remote-tracking branch 'origin/master' into attempt-fix-mppa-workCyril SIX2020-04-012-10/+23
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| | * Explicit error messages for ill-formed section attributes (#232)Bernhard Schommer2020-03-292-10/+23
| | | | | | | | | | | | | | | | | | | | | | | | Introduce an error message for section attributes with non string arguments,and another for multiple, ambiguous section attributes. This is more consistent with the handling of other attributes, like packed, than the old behavior of silently ignoring them.
| * | fixed CSE2 for mppa_k1cDavid Monniaux2020-03-033-27/+85
| |\ \ | | | | | | | | | | | | Merge branch 'dm-cse2-naive' of https://github.com/monniaux/CompCert into mppa-cse2
| | * | CSE2 alias analysis for Risc-VDavid Monniaux2020-03-031-0/+7
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| | * | Merge branch 'master' of https://github.com/AbsInt/CompCert into dm-cse2-naiveDavid Monniaux2020-03-029-106/+249
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| | | * Define the semantics of `free(NULL)`, continuedXavier Leroy2020-03-021-1/+1
| | | | | | | | | | | | | | | | | | | | The proof script for Events.excall_free_ok was incomplete if Archi.ptr64 is unknown (as in the RISC-V case).
| | | * Define the semantics of `free(NULL)` (#226)Xavier Leroy2020-03-021-14/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to ISO C, `free(NULL)` is correct and does nothing. This commit updates accordingly the formal semantics of the `free` external function and the reference interpreter. Closes: #334
| | | * Weaker ec_readonly condition over external calls (#225)Xavier Leroy2020-03-021-15/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we require the memory to be unchanged on readonly locations. This is too strong. For example, current permissions could decrease from readonly to none. This commit weakens the ec_readonly condition to the strict minimum needed to show the correctness of value analysis for const globals.
| | * | loadv_storev_sameDavid Monniaux2020-03-021-0/+18
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| * | | Merge branch 'mppa-cse2' of ↵David Monniaux2020-03-035-2/+269
| |\ \ \ | | |_|/ | |/| | | | | | gricad-gitlab.univ-grenoble-alpes.fr:sixcy/CompCert into mppa-work
* | | | Merge branch 'mppa-work' into mppa-threadCyril SIX2020-02-259-80/+189
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| * | | | Merge branch 'master' of https://github.com/AbsInt/CompCert into ↵David Monniaux2020-02-249-80/+189
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| | * | Refine the type of function results in AST.signatureXavier Leroy2020-02-219-80/+189
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Before it was "option typ". Now it is a proper inductive type that can also express small integer types (8/16-bit unsigned/signed integers). One benefit is that external functions get more precise types that control better their return values. As a consequence, the CompCert C type preservation property now holds unconditionally, without extra typing hypotheses on external functions.
* | / thread local declarations now workDavid Monniaux2020-02-242-9/+17
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* | Merge branch 'dm-div2' of https://github.com/monniaux/CompCert into mppa-workDavid Monniaux2020-01-151-0/+106
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| * | shrxl_shrl_3David Monniaux2020-01-141-0/+52
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| * | shrx_shr_3David Monniaux2020-01-141-0/+54
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