Abseil Common Libraries (C++) (grcp 依赖)
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49 lines
1.3 KiB
49 lines
1.3 KiB
// Copyright 2018 The Abseil Authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// https://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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// |
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// Shared config probing for SSE instructions used in Swiss tables. |
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#ifndef ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_ |
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#define ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_ |
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#ifndef SWISSTABLE_HAVE_SSE2 |
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#if defined(__SSE2__) || \ |
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(defined(_MSC_VER) && \ |
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(defined(_M_X64) || (defined(_M_IX86) && _M_IX86_FP >= 2))) |
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#define SWISSTABLE_HAVE_SSE2 1 |
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#else |
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#define SWISSTABLE_HAVE_SSE2 0 |
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#endif |
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#endif |
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#ifndef SWISSTABLE_HAVE_SSSE3 |
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#ifdef __SSSE3__ |
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#define SWISSTABLE_HAVE_SSSE3 1 |
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#else |
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#define SWISSTABLE_HAVE_SSSE3 0 |
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#endif |
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#endif |
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#if SWISSTABLE_HAVE_SSSE3 && !SWISSTABLE_HAVE_SSE2 |
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#error "Bad configuration!" |
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#endif |
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#if SWISSTABLE_HAVE_SSE2 |
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#include <emmintrin.h> |
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#endif |
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#if SWISSTABLE_HAVE_SSSE3 |
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#include <tmmintrin.h> |
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#endif |
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#endif // ABSL_CONTAINER_INTERNAL_HAVE_SSE_H_
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