diff options
Diffstat (limited to 'third_party/highway/BUILD')
| -rw-r--r-- | third_party/highway/BUILD | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/third_party/highway/BUILD b/third_party/highway/BUILD new file mode 100644 index 0000000000..8156de3847 --- /dev/null +++ b/third_party/highway/BUILD @@ -0,0 +1,437 @@ +load("@rules_license//rules:license.bzl", "license") +load("@bazel_skylib//lib:selects.bzl", "selects") + +load("@rules_cc//cc:defs.bzl", "cc_test") +package( + default_applicable_licenses = ["//:license"], + default_visibility = ["//visibility:public"], +) + +license( + name = "license", + package_name = "highway", +) + +licenses(["notice"]) + +exports_files(["LICENSE"]) + +# Detect compiler: +config_setting( + name = "compiler_clang", + flag_values = {"@bazel_tools//tools/cpp:compiler": "clang"}, +) + +config_setting( + name = "compiler_clangcl", + flag_values = {"@bazel_tools//tools/cpp:compiler": "lexan"}, +) + +config_setting( + name = "compiler_msvc_actual", + flag_values = {"@bazel_tools//tools/cpp:compiler": "msvc"}, +) + +# The above is insufficient for Bazel on Windows, which does not seem to +# detect/set a compiler flag. This workaround prevents compile errors due to +# passing clang-only warning flags to MSVC. +config_setting( + name = "compiler_msvc_cpu", + values = { + "cpu": "x64_windows", + }, +) + +selects.config_setting_group( + name = "compiler_msvc", + match_any = [ + ":compiler_msvc_actual", + ":compiler_msvc_cpu", + ], +) + +config_setting( + name = "compiler_emscripten", + values = {"cpu": "wasm32"}, +) + +# See https://github.com/bazelbuild/bazel/issues/12707 +config_setting( + name = "compiler_gcc_bug", + flag_values = { + "@bazel_tools//tools/cpp:compiler": "compiler", + }, +) + +config_setting( + name = "compiler_gcc_actual", + flag_values = { + "@bazel_tools//tools/cpp:compiler": "gcc", + }, +) + +selects.config_setting_group( + name = "compiler_gcc", + match_any = [ + ":compiler_gcc_bug", + ":compiler_gcc_actual", + ], +) + +# Additional warnings for Clang OR GCC (skip for MSVC) +CLANG_GCC_COPTS = [ + "-Wunused-parameter", + "-Wunused-variable", + "-Wextra-semi", + "-Wunreachable-code", +] + +# Warnings supported by Clang and Clang-cl +CLANG_OR_CLANGCL_OPTS = CLANG_GCC_COPTS + [ + "-Wfloat-overflow-conversion", + "-Wfloat-zero-conversion", + "-Wfor-loop-analysis", + "-Wgnu-redeclared-enum", + "-Winfinite-recursion", + "-Wliteral-conversion", + "-Wno-c++98-compat", + "-Wno-unused-command-line-argument", + "-Wprivate-header", + "-Wself-assign", + "-Wstring-conversion", + "-Wtautological-overlap-compare", + "-Wthread-safety-analysis", + "-Wundefined-func-template", + "-Wunused-comparison", +] + +# Warnings only supported by Clang, but not Clang-cl +CLANG_ONLY_COPTS = CLANG_OR_CLANGCL_OPTS + [ + # Do not treat the third_party headers as system headers when building + # highway - the errors are pertinent. + "--no-system-header-prefix=third_party/highway", +] + +COPTS = select({ + ":compiler_msvc": [], + ":compiler_gcc": CLANG_GCC_COPTS, + ":compiler_clangcl": CLANG_OR_CLANGCL_OPTS, + # Default to clang because compiler detection only works in Bazel + "//conditions:default": CLANG_ONLY_COPTS, +}) + select({ + "@platforms//cpu:riscv64": [ + "-march=rv64gcv1p0", + "-menable-experimental-extensions", + ], + "//conditions:default": [ + ], +}) + +DEFINES = select({ + ":compiler_msvc": ["HWY_SHARED_DEFINE"], + ":compiler_clangcl": ["HWY_SHARED_DEFINE"], + "//conditions:default": [], +}) + +# Unused on Bazel builds, where this is not defined/known; Copybara replaces +# usages with an empty list. +COMPAT = [ + "//buildenv/target:non_prod", # includes mobile/vendor. +] + +# WARNING: changing flags such as HWY_DISABLED_TARGETS may break users without +# failing integration tests, if the machine running tests does not support the +# newly enabled instruction set, or the failure is only caught by sanitizers +# which do not run in CI. + +cc_library( + name = "hwy", + srcs = [ + "hwy/aligned_allocator.cc", + "hwy/per_target.cc", + "hwy/print.cc", + "hwy/targets.cc", + ], + # Normal headers with include guards + hdrs = [ + "hwy/aligned_allocator.h", + "hwy/base.h", + "hwy/cache_control.h", + "hwy/detect_compiler_arch.h", # private + "hwy/print.h", + ], + compatible_with = [], + copts = COPTS, + defines = DEFINES, + local_defines = ["hwy_EXPORTS"], + textual_hdrs = [ + # These are textual because config macros influence them: + "hwy/detect_targets.h", # private + "hwy/targets.h", + # This .cc file #includes itself through foreach_target.h + "hwy/per_target.cc", + # End of list + "hwy/highway.h", # public + "hwy/foreach_target.h", # public + "hwy/per_target.h", # public + "hwy/print-inl.h", # public + "hwy/highway_export.h", # public + "hwy/ops/arm_neon-inl.h", + "hwy/ops/arm_sve-inl.h", + "hwy/ops/emu128-inl.h", + "hwy/ops/generic_ops-inl.h", + "hwy/ops/scalar-inl.h", + "hwy/ops/set_macros-inl.h", + "hwy/ops/shared-inl.h", + "hwy/ops/x86_128-inl.h", + "hwy/ops/x86_256-inl.h", + "hwy/ops/x86_512-inl.h", + # Select avoids recompiling native arch if only non-native changed + ] + select({ + ":compiler_emscripten": [ + "hwy/ops/wasm_128-inl.h", + "hwy/ops/wasm_256-inl.h", + ], + "//conditions:default": [], + }) + select({ + "@platforms//cpu:riscv64": ["hwy/ops/rvv-inl.h"], + "//conditions:default": [], + }), +) + +cc_library( + name = "algo", + compatible_with = [], + copts = COPTS, + textual_hdrs = [ + "hwy/contrib/algo/copy-inl.h", + "hwy/contrib/algo/find-inl.h", + "hwy/contrib/algo/transform-inl.h", + ], + deps = [ + ":hwy", + ], +) + +cc_library( + name = "bit_pack", + compatible_with = [], + copts = COPTS, + textual_hdrs = [ + "hwy/contrib/bit_pack/bit_pack-inl.h", + ], + deps = [ + ":hwy", + ], +) + +cc_library( + name = "dot", + compatible_with = [], + copts = COPTS, + textual_hdrs = [ + "hwy/contrib/dot/dot-inl.h", + ], + deps = [ + ":hwy", + ], +) + +cc_library( + name = "image", + srcs = [ + "hwy/contrib/image/image.cc", + ], + hdrs = [ + "hwy/contrib/image/image.h", + ], + compatible_with = [], + copts = COPTS, + local_defines = ["hwy_contrib_EXPORTS"], + deps = [ + ":hwy", + ], +) + +cc_library( + name = "math", + compatible_with = [], + copts = COPTS, + textual_hdrs = [ + "hwy/contrib/math/math-inl.h", + ], + deps = [ + ":hwy", + ], +) + +# Everything required for tests that use Highway. +cc_library( + name = "hwy_test_util", + srcs = ["hwy/tests/test_util.cc"], + hdrs = ["hwy/tests/test_util.h"], + compatible_with = [], + copts = COPTS, + local_defines = ["hwy_test_EXPORTS"], + textual_hdrs = [ + "hwy/tests/test_util-inl.h", + "hwy/tests/hwy_gtest.h", + ], + # Must not depend on a gtest variant, which can conflict with the + # GUNIT_INTERNAL_BUILD_MODE defined by the test. + deps = [ + ":hwy", + ], +) + +cc_library( + name = "nanobenchmark", + srcs = ["hwy/nanobenchmark.cc"], + hdrs = ["hwy/nanobenchmark.h"], + compatible_with = [], + copts = COPTS, + local_defines = ["hwy_EXPORTS"], + deps = [":hwy"], +) + +cc_binary( + name = "benchmark", + srcs = ["hwy/examples/benchmark.cc"], + copts = COPTS, + deps = [ + ":hwy", + ":nanobenchmark", + ], +) + +cc_library( + name = "skeleton", + srcs = ["hwy/examples/skeleton.cc"], + hdrs = ["hwy/examples/skeleton.h"], + copts = COPTS, + local_defines = ["hwy_EXPORTS"], + textual_hdrs = ["hwy/examples/skeleton-inl.h"], + deps = [ + ":hwy", + ], +) + +cc_binary( + name = "list_targets", + srcs = ["hwy/tests/list_targets.cc"], + deps = [":hwy"], +) + +# path, name +HWY_TESTS = [ + ("hwy/contrib/algo/", "copy_test"), + ("hwy/contrib/algo/", "find_test"), + ("hwy/contrib/algo/", "transform_test"), + ("hwy/contrib/bit_pack/", "bit_pack_test"), + ("hwy/contrib/dot/", "dot_test"), + ("hwy/contrib/image/", "image_test"), + ("hwy/contrib/math/", "math_test"), + # contrib/sort has its own BUILD, we add it to GUITAR_TESTS. + ("hwy/examples/", "skeleton_test"), + ("hwy/", "nanobenchmark_test"), + ("hwy/", "aligned_allocator_test"), + ("hwy/", "base_test"), + ("hwy/", "highway_test"), + ("hwy/", "targets_test"), + ("hwy/tests/", "arithmetic_test"), + ("hwy/tests/", "blockwise_test"), + ("hwy/tests/", "blockwise_shift_test"), + ("hwy/tests/", "combine_test"), + ("hwy/tests/", "compare_test"), + ("hwy/tests/", "compress_test"), + ("hwy/tests/", "convert_test"), + ("hwy/tests/", "crypto_test"), + ("hwy/tests/", "demote_test"), + ("hwy/tests/", "float_test"), + ("hwy/tests/", "if_test"), + ("hwy/tests/", "interleaved_test"), + ("hwy/tests/", "logical_test"), + ("hwy/tests/", "mask_test"), + ("hwy/tests/", "mask_mem_test"), + ("hwy/tests/", "memory_test"), + ("hwy/tests/", "mul_test"), + ("hwy/tests/", "reduction_test"), + ("hwy/tests/", "reverse_test"), + ("hwy/tests/", "shift_test"), + ("hwy/tests/", "swizzle_test"), + ("hwy/tests/", "test_util_test"), +] + +HWY_TEST_COPTS = select({ + ":compiler_msvc": [], + "//conditions:default": [ + # gTest triggers this warning (which is enabled by the + # extra-semi in COPTS), so we need to disable it here, + # but it's still enabled for :hwy. + "-Wno-c++98-compat-extra-semi", + ], +}) + +HWY_TEST_DEPS = [ + ":algo", + ":bit_pack", + ":dot", + ":hwy", + ":hwy_test_util", + ":image", + ":math", + ":nanobenchmark", + ":skeleton", + "//hwy/contrib/sort:vqsort", + "@com_google_googletest//:gtest_main", +] + +[ + [ + cc_test( + name = test, + size = "medium", + timeout = "long", # default moderate is not enough for math_test + srcs = [ + subdir + test + ".cc", + ], + copts = COPTS + HWY_TEST_COPTS, + features = select({ + "@platforms//cpu:riscv64": ["fully_static_link"], + "//conditions:default": [], + }), + linkopts = select({ + ":compiler_emscripten": [ + "-s ASSERTIONS=2", + "-s ENVIRONMENT=node,shell,web", + "-s ERROR_ON_UNDEFINED_SYMBOLS=1", + "-s DEMANGLE_SUPPORT=1", + "-s EXIT_RUNTIME=1", + "-s ALLOW_MEMORY_GROWTH=1", + "--pre-js $(location :preamble.js.lds)", + ], + "//conditions:default": [], + }), + linkstatic = select({ + "@platforms//cpu:riscv64": True, + "//conditions:default": False, + }), + local_defines = ["HWY_IS_TEST"], + # for test_suite. + tags = ["hwy_ops_test"], + deps = HWY_TEST_DEPS + select({ + ":compiler_emscripten": [":preamble.js.lds"], + "//conditions:default": [], + }), + ), + ] + for subdir, test in HWY_TESTS +] + +# For manually building the tests we define here (:all does not work in --config=msvc) +test_suite( + name = "hwy_ops_tests", + tags = ["hwy_ops_test"], +) + +# Placeholder for integration test, do not remove |