3ee4af4509
Handle the case in which neither WEBRTC_ARCH_X86_FAMILY nor WEBRTC_HAS_NEON are defined. Bug: webrtc:10480 Change-Id: I241583911d8e5645dfbd39b60337dd20b2d9f046 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/196525 Commit-Queue: Alessio Bazzica <alessiob@webrtc.org> Commit-Queue: Sam Zackrisson <saza@webrtc.org> Reviewed-by: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32786}
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/*
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* Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/agc2/cpu_features.h"
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#include "rtc_base/strings/string_builder.h"
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#include "rtc_base/system/arch.h"
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#include "system_wrappers/include/cpu_features_wrapper.h"
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namespace webrtc {
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std::string AvailableCpuFeatures::ToString() const {
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char buf[64];
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rtc::SimpleStringBuilder builder(buf);
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bool first = true;
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if (sse2) {
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builder << (first ? "SSE2" : "_SSE2");
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first = false;
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}
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if (avx2) {
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builder << (first ? "AVX2" : "_AVX2");
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first = false;
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}
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if (neon) {
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builder << (first ? "NEON" : "_NEON");
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first = false;
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}
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if (first) {
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return "none";
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}
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return builder.str();
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}
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// Detects available CPU features.
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AvailableCpuFeatures GetAvailableCpuFeatures() {
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#if defined(WEBRTC_ARCH_X86_FAMILY)
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return {/*sse2=*/GetCPUInfo(kSSE2) != 0,
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/*avx2=*/GetCPUInfo(kAVX2) != 0,
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/*neon=*/false};
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#elif defined(WEBRTC_HAS_NEON)
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return {/*sse2=*/false,
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/*avx2=*/false,
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/*neon=*/true};
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#else
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return {/*sse2=*/false,
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/*avx2=*/false,
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/*neon=*/false};
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#endif
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}
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} // namespace webrtc
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