Enable log2*, log10* intrinsics #3001
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Requires support in CBMC.
celinval
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Aug 1, 2024
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## 0.54.0 ### Major Changes * We added support for slices in the `#[kani::modifies(...)]` clauses when using function contracts. * We introduce an `#[safety_constraint(...)]` attribute helper for the `Arbitrary` and `Invariant` macros. * We enabled support for concrete playback for harness that contains stubs or function contracts. * We added support for log2*, log10*, powif*, fma*, and sqrt* intrisincs. ### Breaking Changes * The `-Z ptr-to-ref-cast-checks` option has been removed, and pointer validity checks when casting raw pointers to references are now run by default. ## What's Changed * Make Kani reject mutable pointer casts if padding is incompatible and memory initialization is checked by @artemagvanian in #3332 * Fix visibility of some Kani intrinsics by @artemagvanian in #3323 * Function Contracts: Modify Slices by @pi314mm in #3295 * Support for disabling automatically generated pointer checks to avoid reinstrumentation by @artemagvanian in #3344 * Add support for global transformations by @artemagvanian in #3348 * Enable an `#[safety_constraint(...)]` attribute helper for the `Arbitrary` and `Invariant` macros by @adpaco-aws in #3283 * Fix contract handling of promoted constants and constant static by @celinval in #3305 * Bump CBMC Viewer to 3.9 by @tautschnig in #3373 * Update to CBMC version 6.1.1 by @tautschnig in #2995 * Define a struct-level `#[safety_constraint(...)]` attribute by @adpaco-aws in #3270 * Enable concrete playback for contract and stubs by @celinval in #3389 * Add code scanner tool by @celinval in #3120 * Enable contracts in associated functions by @celinval in #3363 * Enable log2*, log10* intrinsics by @tautschnig in #3001 * Enable powif* intrinsics by @tautschnig in #2999 * Enable fma* intrinsics by @tautschnig in #3002 * Enable sqrt* intrinsics by @tautschnig in #3000 * Remove assigns clause for ZST pointers by @carolynzech in #3417 * Instrumentation for delayed UB stemming from uninitialized memory by @artemagvanian in #3374 * Unify kani library and kani core logic by @jaisnan in #3333 * Stabilize pointer-to-reference cast validity checks by @artemagvanian in #3426 * Rust toolchain upgraded to `nightly-2024-08-07` by @jaisnan @qinheping @tautschnig @feliperodri ## New Contributors * @carolynzech made their first contribution in #3387 **Full Changelog**: kani-0.53.0...kani-0.54.0 By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses. Signed-off-by: Felipe R. Monteiro <felisous@amazon.com>
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Implemented in CBMC in diffblue/cbmc#8195.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.