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Make it possible to check that an implementation is supported at runtime (#1197)

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* Make it possible to check that an implementation is supported at runtime.

* add CI fuzzing on arm 64 bit

This adds fuzzing on drone.io arm64

For some reason, leak detection had to be disabled. If it is enabled, the fuzzer falsely reports a crash at the end of fuzzing.

Closes: #1188

* Guarding the implementation accesses.

* Better doc.

* Updating cxxopts.

* Make it possible to check that an implementation is supported at runtime.

* Guarding the implementation accesses.

* Better doc.

* Updating cxxopts.

* We need to accomodate cxxopts

Co-authored-by: Paul Dreik <github@pauldreik.se>
This commit is contained in:
Daniel Lemire
2020-10-02 11:04:51 -04:00
committed by GitHub
parent e06ddea784
commit 9865bb6904
19 changed files with 159 additions and 25 deletions
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src/implementation.cpp
+7
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@@ -30,6 +30,13 @@ namespace simdjson { namespace internal { const fallback::implementation fallbac
#endif // SIMDJSON_IMPLEMENTATION_FALLBACK
namespace simdjson {
bool implementation::supported_by_runtime_system() const {
uint32_t required_instruction_sets = this->required_instruction_sets();
uint32_t supported_instruction_sets = detect_supported_architectures();
return ((supported_instruction_sets & required_instruction_sets) == required_instruction_sets);
}
namespace internal {
/**