mirror of
https://github.com/lifting-bits/remill
synced 2026-06-21 13:56:07 +00:00
Peter Goodman
99df2e19d4
* Running clang-format on files with some additional custom scripts for my style * Fix missing unique_ptr in remill/BC/Optimizer.h * Fixes and selective disabling of clang-format
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
/*
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* Copyright (c) 2017 Trail of Bits, Inc.
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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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* http://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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#if HAS_FEATURE_AVX
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namespace {
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DEF_SEM(DoVZEROUPPER) {
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_Pragma("unroll") for (unsigned i = 0; i < IF_64BIT_ELSE(16, 8); ++i) {
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auto &vec = state.vec[i];
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vec.ymm.dqwords.elems[1] = 0;
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IF_AVX512(vec.zmm.dqwords.elems[2] = 0;)
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IF_AVX512(vec.zmm.dqwords.elems[3] = 0;)
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}
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return memory;
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}
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} // namespace
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namespace {
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template <typename D, typename S1, size_t KL, size_t VL>
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DEF_SEM(VPBROADCASTB, D dst, S1 src1) {
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auto src_vec = UReadV8(src1);
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auto dst_vec = UClearV8(UReadV8(dst));
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auto num_groups = NumVectorElems(dst_vec);
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auto src_byte = UExtractV8(src_vec, 0);
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for (std::size_t i = 0; i < num_groups; ++i) {
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dst_vec = UInsertV8(dst_vec, i, src_byte);
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}
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UWriteV8(dst, dst_vec);
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return memory;
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}
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} // namespace
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DEF_ISEL(VZEROUPPER) = DoVZEROUPPER;
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DEF_ISEL(VPBROADCASTB_YMMqq_XMMb) = VPBROADCASTB<VV256W, V128, 32, 256>;
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#endif // HAS_FEATURE_AVX
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