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-rw-r--r--third_party/highway/BUILD443
1 files changed, 443 insertions, 0 deletions
diff --git a/third_party/highway/BUILD b/third_party/highway/BUILD
new file mode 100644
index 0000000000..92ca4721fc
--- /dev/null
+++ b/third_party/highway/BUILD
@@ -0,0 +1,443 @@
+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/tuple-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_test(
+ name = "list_targets",
+ size = "small",
+ 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 also add sort_test to GUITAR_TESTS.
+ # To run bench_sort, specify --test=hwy/contrib/sort:bench_sort.
+ ("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_shift_test"),
+ ("hwy/tests/", "blockwise_test"),
+ ("hwy/tests/", "combine_test"),
+ ("hwy/tests/", "compare_test"),
+ ("hwy/tests/", "compress_test"),
+ ("hwy/tests/", "convert_test"),
+ ("hwy/tests/", "count_test"),
+ ("hwy/tests/", "crypto_test"),
+ ("hwy/tests/", "demote_test"),
+ ("hwy/tests/", "expand_test"),
+ ("hwy/tests/", "float_test"),
+ ("hwy/tests/", "if_test"),
+ ("hwy/tests/", "interleaved_test"),
+ ("hwy/tests/", "logical_test"),
+ ("hwy/tests/", "mask_mem_test"),
+ ("hwy/tests/", "mask_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/tests/", "tuple_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