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llvm-mirror/utils/benchmark/README.LLVM
Jessica Clarke 310b95be5f [benchmark] Replace references to M680x0 with M68k
The former was the old unusual name of the out-of-tree backend but it
was renamed to M68k during the code review process to conform with how
almost everything refers to the Motorola 68000 family of processors.
Thus, update the comments to avoid confusion when the backend lands.
2021-03-06 01:04:36 +00:00

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LLVM notes
----------
This directory contains the Google Benchmark source code. Currently, the checked
Benchmark library version is v1.4.1.
This directory is under a different license than LLVM.
Changes:
* Bazel BUILD files are removed from the library
* https://github.com/google/benchmark/commit/f85304e4e3a0e4e1bf15b91720df4a19e90b589f
is applied on top of the v1.4.1 to silence compiler warnings
* https://github.com/google/benchmark/commit/505be96ab23056580a3a2315abba048f4428b04e
is applied to comply with the LLVM's required CMake version
* https://github.com/google/benchmark/commit/f0901417c89d123474e6b91365029cfe32cf89dc
is applied to fix 32-bit build failure on macOS
* https://github.com/google/benchmark/commit/52613079824ac58d06c070aa9fbbb186a5859e2c
is applied to fix cross compilation with MinGW headers
* https://github.com/google/benchmark/commit/439d6b1c2a6da5cb6adc4c4dfc555af235722396
is applied to fix building with MinGW headers for ARM
* https://github.com/google/benchmark/commit/a9b31c51b1ee7ec7b31438c647123c2cbac5d956
is applied to disable exceptions in Microsoft STL when exceptions are disabled
* Disabled CMake get_git_version as it is meaningless for this in-tree build,
and hardcoded a null version
* https://github.com/google/benchmark/commit/4abdfbb802d1b514703223f5f852ce4a507d32d2
is applied on top of v1.4.1 to add RISC-V timer support.
* https://github.com/google/benchmark/commit/8e48105d465c586068dd8e248fe75a8971c6ba3a
is applied on top of v1.4.1 to fix cross-build from linux to windows via MinGW.
* https://github.com/google/benchmark/commit/a77d5f70efaebe2b7e8c10134526a23a7ce7ef35
and
https://github.com/google/benchmark/commit/ecc1685340f58f7fe6b707036bc0bb1fccabb0c1
are applied on top of the previous cherrypick to fix timestamp-related inline
asm issues and 32-bit RISC-V build failures. The second cherrypicked commit
fixes formatting issues introduced by the preceding change.
* https://github.com/google/benchmark/commit/ffe1342eb2faa7d2e7c35b4db2ccf99fab81ec20
is applied to add the CycleTimer implementation for M68k
* https://github.com/google/benchmark/commit/d9abf017632be4a00b92cf4289539b353fcea5d2
is applied to rename 'mftbl' to 'mftb'.