[all-commits] [llvm/llvm-project] bb83a3: Re-land: "[AArch64] Add ability to list extensions...

[Lucas Duarte Prates via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bb83a3df25a8c46dd586caf26635f5658e7b3316
      https://github.com/llvm/llvm-project/commit/bb83a3df25a8c46dd586caf26635f5658e7b3316
  Author: Lucas Duarte Prates <lucas.prates at arm.com>
  Date:   2024-06-28 (Fri, 28 Jun 2024)

  Changed paths:
    M clang/include/clang/Driver/Options.td
    M clang/include/clang/Frontend/FrontendOptions.h
    M clang/lib/Driver/Driver.cpp
    M clang/lib/Driver/ToolChain.cpp
    M clang/lib/Driver/ToolChains/Clang.cpp
    M clang/test/CodeGen/aarch64-targetattr.c
    M clang/test/Driver/aarch64-fp16.c
    M clang/test/Driver/aarch64-sve2.c
    M clang/test/Driver/aarch64-v81a.c
    M clang/test/Driver/aarch64-v82a.c
    M clang/test/Driver/aarch64-v83a.c
    M clang/test/Driver/aarch64-v84a.c
    M clang/test/Driver/aarch64-v85a.c
    M clang/test/Driver/aarch64-v86a.c
    M clang/test/Driver/aarch64-v87a.c
    M clang/test/Driver/aarch64-v88a.c
    M clang/test/Driver/aarch64-v89a.c
    A clang/test/Driver/aarch64-v8a.c
    M clang/test/Driver/aarch64-v91a.c
    M clang/test/Driver/aarch64-v92a.c
    M clang/test/Driver/aarch64-v93a.c
    M clang/test/Driver/aarch64-v94a.c
    M clang/test/Driver/aarch64-v95a.c
    A clang/test/Driver/aarch64-v9a.c
    M clang/test/Driver/print-supported-extensions.c
    M clang/test/Preprocessor/aarch64-target-features.c
    M clang/tools/driver/cc1_main.cpp
    M flang/test/Driver/target-cpu-features.f90
    M llvm/include/llvm/MC/MCSubtargetInfo.h
    M llvm/include/llvm/TargetParser/AArch64TargetParser.h
    M llvm/lib/MC/MCSubtargetInfo.cpp
    M llvm/lib/Target/AArch64/AArch64Features.td
    M llvm/lib/TargetParser/AArch64TargetParser.cpp
    M llvm/unittests/TargetParser/TargetParserTest.cpp
    M llvm/utils/TableGen/ARMTargetDefEmitter.cpp

  Log Message:
  -----------
  Re-land: "[AArch64] Add ability to list extensions enabled for a target" (#95805) (#96795)

This introduces the new `--print-enabled-extensions` command line option
to AArch64, which prints the list of extensions that are enabled for the
target specified by the combination of `--target`/`-march`/`-mcpu`
values.

The goal of the this option is both to enable the manual inspection of
the enabled extensions by users and to enhance the testability of
architecture versions and CPU targets implemented in the compiler.

As part of this change, a new field for `FEAT_*` architecture feature
names was added to the TableGen entries. The output of the existing
`--print-supported-extensions` option was updated accordingly to show
these in a separate column.



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