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76 lines
2.4 KiB
76 lines
2.4 KiB
3 years ago
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/* BEGIN_LEGAL
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Copyright (c) 2021 Intel Corporation
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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END_LEGAL */
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#if !defined(XED_GET_TIME_H)
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# define XED_GET_TIME_H
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# include "xed-portability.h"
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# include "xed-types.h"
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# if defined(__INTEL_COMPILER) && __INTEL_COMPILER > 810 && !defined(_M_IA64)
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# include <ia32intrin.h>
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# endif
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# if defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 810 && !defined(_M_IA64)
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# if __INTEL_COMPILER < 1000
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# pragma intrinsic(__rdtsc)
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# endif
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# endif
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# if !defined(__INTEL_COMPILER)
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/* MSVS8 and later */
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# if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(_M_IA64)
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# include <intrin.h>
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# pragma intrinsic(__rdtsc)
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# endif
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# if defined(__GNUC__)
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# if defined(__i386__) || defined(i386) || defined(i686) || defined(__x86_64__)
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# include <x86intrin.h>
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# endif
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# endif
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# endif
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static XED_INLINE xed_uint64_t xed_get_time(void) {
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xed_union64_t ticks;
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# if defined(__GNUC__)
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# if defined(__i386__) || defined(i386) || defined(i686) || defined(__x86_64__)
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# if __GNUC__ >= 5 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 9 && __GNUC_PATCHLEVEL__ >= 3)
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ticks.u64 = __rdtsc();
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# else
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__asm__ volatile ("rdtsc":"=a" (ticks.s.lo32), "=d"(ticks.s.hi32));
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# endif
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# define XED_FOUND_RDTSC
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# endif
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# endif
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# if defined(__INTEL_COMPILER) && __INTEL_COMPILER>=810 && !defined(_M_IA64)
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ticks.u64 = __rdtsc();
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# define XED_FOUND_RDTSC
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# endif
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# if !defined(__INTEL_COMPILER)
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# if !defined(XED_FOUND_RDTSC) && defined(_MSC_VER) && _MSC_VER >= 1400 && \
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!defined(_M_IA64) && !defined(_MANAGED) /* MSVS7, 8 */
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ticks.u64 = __rdtsc();
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# define XED_FOUND_RDTSC
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# endif
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# endif
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# if !defined(XED_FOUND_RDTSC)
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ticks.u64 = 0;
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# endif
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return ticks.u64;
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}
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#undef XED_FOUND_RDTSC
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#endif
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