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* fix ci ?Léo Gourdin2021-03-022-0/+2
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* Merge remote-tracking branch 'origin/kvx-work' into kvx-better2-cse3David Monniaux2020-12-087-46/+9
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| * Merge github.com:AbsInt/CompCert into kvx-workv3.8_kvx_instructions_fixedDavid Monniaux2020-12-082-4/+6
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| | * ARM modeling of registers destroyed by pseudo-instructionsXavier Leroy2020-12-062-4/+6
| | | | | | | | | | | | | | | Pflid destroys IR14 Inlined built-in functions destroy IR14
| * | Merge branch 'kvx-work' into kvx-work-merge3.8Cyril SIX2020-12-044-3/+91
| |\ \ | | | | | | | | | | | | | | | | | | | | Conflicts: Makefile configure
| * \ \ Merge branch 'master' (Absint 3.8) into kvx-work-merge3.8David Monniaux2020-11-186-42/+3
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| | * | Support the use of already-installed MenhirLib and Flocq librariesXavier Leroy2020-09-211-2/+1
| | | | | | | | | | | | | | | | configure flags -use-external-Flocq and -use external-MenhirLib.
| | * | Add __builtin_sqrt as synonymous for __builtin_fsqrtXavier Leroy2020-07-271-1/+1
| | | | | | | | | | | | | | | | __builtin_sqrt (no "f") is the name used by GCC and Clang.
| | * | Move declarations of __builtin_clz* and __builtin_ctz* to C2C.mlXavier Leroy2020-07-271-13/+0
| | | | | | | | | | | | | | | | These functions are now available on all targets.
| | * | No need to process __builtin_fabs in $ARCH/Asmexpand.mlXavier Leroy2020-07-271-2/+0
| | | | | | | | | | | | | | | | __builtin_fabs has already been expanded in backend/Selection.v .
| | * | Added missing hint database name.Bernhard Schommer2020-06-301-1/+1
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| | * | Move shared code in new file.Bernhard Schommer2020-06-282-18/+0
| | | | | | | | | | | | | | | | | | | | The name_of_register and register_of_name function are shared between all architectures and can be moved in a common file.
| | * | Remove the `can_reserve_register` function.Bernhard Schommer2020-06-282-5/+0
| | | | | | | | | | | | | | | | | | | | The function is in fact just a call to the function`is_callee_save_register` from `Conventions1.v`.
| | * | Use Hashtbl.find_opt.Bernhard Schommer2020-06-281-1/+1
| | | | | | | | | | | | | | | | | | | | Replace the pattern `try Some (Hashtbl.find ...) with Not_found -> None` by a call to the function Hashtbl.find_opt.
* | | | cond_depends_onDavid Monniaux2020-12-021-7/+7
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* | | | Merge remote-tracking branch 'origin/kvx-work' into kvx-better2-cse3David Monniaux2020-12-021-0/+1
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| * | | 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
| * \ \ \ Merge remote-tracking branch 'origin/kvx-work' into kvx-test-prepassDavid Monniaux2020-11-242-3/+76
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| * | | | | op_valid_pointer_eq armDavid Monniaux2020-10-191-0/+15
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| * | | | | so that all architectures compileDavid Monniaux2020-10-021-0/+1
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* | | | | cond_valid_pointer_eqDavid Monniaux2020-11-251-0/+10
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* | | | pointer_eq copiedDavid Monniaux2020-11-251-0/+14
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* | | bug #223 fix for ARMDavid Monniaux2020-11-232-3/+76
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* | Adding copyrightsCyril SIX2020-05-043-0/+38
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* | Merge remote-tracking branch 'origin/mppa-licm' into mppa-featuresDavid Monniaux2020-04-202-3/+10
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| * | test whether the instructions are allowedDavid Monniaux2020-04-191-0/+2
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| * | adapting new stuff for ARM and AArch64David Monniaux2020-04-011-3/+8
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* | | Merge remote-tracking branch 'origin/mppa-profiling' into mppa-featuresDavid Monniaux2020-04-125-2/+56
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| * | | seems like the ARM profiling perhaps worksDavid Monniaux2020-04-114-2/+55
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| * | | missing cases preventing compilationDavid Monniaux2020-04-081-0/+1
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* | | Merge remote-tracking branch 'origin/mppa-work' into mppa-threadDavid Monniaux2020-04-084-209/+171
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| * | DuplicateOpcodeHeuristic for ARMDavid Monniaux2020-03-171-3/+22
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| * | ported to armDavid Monniaux2020-03-031-9/+6
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| * | fixed CSE2 for mppa_k1cDavid Monniaux2020-03-032-0/+152
| |\ \ | | | | | | | | | | | | Merge branch 'dm-cse2-naive' of https://github.com/monniaux/CompCert into mppa-cse2
| | * | CSE2 with alias analysisDavid Monniaux2020-03-031-0/+20
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| | * | CSE2 for ARMDavid Monniaux2020-03-031-0/+132
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| * | Merge branch 'mppa-cse2' of ↵David Monniaux2020-03-0311-14/+157
| |\ \ | | |/ | |/| | | | gricad-gitlab.univ-grenoble-alpes.fr:sixcy/CompCert into mppa-work
| * | Platform-independent implementation of Conventions.size_arguments (#222)Xavier Leroy2020-02-241-206/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The "size_arguments" function and its properties can be systematically derived from the "loc_arguments" function and its properties. Before, the RISC-V port used this derivation, and all other ports used hand-written "size_arguments" functions and proofs. This commit moves the definition of "size_arguments" to the platform-independent file backend/Conventions.v, using the systematic derivation, and removes the platform-specific definitions. This reduces code and proof size, and makes it easier to change the calling conventions.
* | | Merge branch 'mppa-work' into mppa-threadCyril SIX2020-02-252-15/+19
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| * | | Merge branch 'master' of https://github.com/AbsInt/CompCert into ↵David Monniaux2020-02-242-15/+19
| |\| | | | |/ | |/| | | | mppa-work-upstream-merge
| | * Support re-normalization of values returned by function callsXavier Leroy2020-02-211-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some ABIs leave more flexibility concerning function return values than CompCert expects. For example, the x86 ABI says that a function result of type "char" is returned in register AL, leaving the top 24 bits of register EAX unspecified, while CompCert expects EAX to contain 32 valid bits, namely the zero- or sign-extension of the 8-bit result. This commits adds a general mechanism to insert "re-normalization" conversions on the results of function calls. Currently, it only deals with results of small integer types, and inserts zero- or sign-extensions if so instructed by a platform-dependent function, Convention1.return_value_needs_normalization. The conversions in question are inserted early in the front-end, so that they can be optimized away in the back-end. The semantic preservation proof is still conducted against the CompCert model, where the return values of functions are already normalized. What the proof shows is that the extra conversions have no effect in this case. In future work we could relax the CompCert model, allowing functions to return values that are not normalized.
| | * Refine the type of function results in AST.signatureXavier Leroy2020-02-212-15/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* | | fixes for aarch64 arm ppc ppc64David Monniaux2020-02-241-1/+1
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* | | fix for x86+arm unsupported thread localDavid Monniaux2020-02-241-1/+3
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* | stubs to keep compiling on architectures not K1cDavid Monniaux2020-02-071-0/+3
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* | Merge branch 'dm-div2' of https://github.com/monniaux/CompCert into mppa-workDavid Monniaux2020-01-152-3/+24
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| * | ARM generation of 2-instruction signed division by 2 (as opposed to ↵David Monniaux2020-01-142-3/+24
| |/ | | | | | | 3-instruction)
| * Revert "Remove `__builtin_nop` for some architectures. (#208)"Bernhard Schommer2020-01-034-1/+8
| | | | | | | | This reverts commit 4dfcd7d4be18e8bc437ca170782212aa06635a95.
| * Remove `__builtin_nop` for some architectures. (#208)Bernhard Schommer2019-12-214-8/+1
| | | | | | | | | | | | | | The `__builtin_nop` function is documented only for PowerPC. It was added to the other architectures by copy paste, but has no known uses. So, remove `__builtin_nop` from all architectures but PowerPC.
* | add: non trapping opsDavid Monniaux2019-09-231-0/+26
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