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author | Erwin Jansen <jansene@google.com> | 2021-06-30 07:29:26 +0000 |
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committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2021-06-30 07:29:26 +0000 |
commit | 059cdc5996938f5f6b5343b6c969c12098275587 (patch) | |
tree | 6eacaffe4bebf8e00c290c1e1839e084b0c52e88 /third_party/crc32c/src/src/crc32c.cc | |
parent | 97e54a7e73c7b24e464ef06ef3c3b3716f21bb15 (diff) | |
parent | 16be34ae72cdb525c88c2b31b21b976f35fe36d8 (diff) | |
download | webrtc-059cdc5996938f5f6b5343b6c969c12098275587.tar.gz |
Merge "Merge upstream-master and enable ARM64" into emu-master-devemu-31-stable-releaseemu-31-release
Diffstat (limited to 'third_party/crc32c/src/src/crc32c.cc')
-rw-r--r-- | third_party/crc32c/src/src/crc32c.cc | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/third_party/crc32c/src/src/crc32c.cc b/third_party/crc32c/src/src/crc32c.cc new file mode 100644 index 0000000000..4d3018af47 --- /dev/null +++ b/third_party/crc32c/src/src/crc32c.cc @@ -0,0 +1,39 @@ +// Copyright 2017 The CRC32C Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. See the AUTHORS file for names of contributors. + +#include "crc32c/crc32c.h" + +#include <cstddef> +#include <cstdint> + +#include "./crc32c_arm64.h" +#include "./crc32c_arm64_linux_check.h" +#include "./crc32c_internal.h" +#include "./crc32c_sse42.h" +#include "./crc32c_sse42_check.h" + +namespace crc32c { + +uint32_t Extend(uint32_t crc, const uint8_t* data, size_t count) { +#if HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__)) + static bool can_use_sse42 = CanUseSse42(); + if (can_use_sse42) return ExtendSse42(crc, data, count); +#elif HAVE_ARM64_CRC32C + static bool can_use_arm_linux = CanUseArm64Linux(); + if (can_use_arm_linux) return ExtendArm64(crc, data, count); +#endif // HAVE_SSE42 && (defined(_M_X64) || defined(__x86_64__)) + + return ExtendPortable(crc, data, count); +} + +extern "C" uint32_t crc32c_extend(uint32_t crc, const uint8_t* data, + size_t count) { + return crc32c::Extend(crc, data, count); +} + +extern "C" uint32_t crc32c_value(const uint8_t* data, size_t count) { + return crc32c::Crc32c(data, count); +} + +} // namespace crc32c |