1 files changed, 0 insertions, 138 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/unscaledcycleclock.cc b/third_party/abseil_cpp/absl/base/internal/unscaledcycleclock.cc
deleted file mode 100644
index 1545288cf2de..000000000000
--- a/third_party/abseil_cpp/absl/base/internal/unscaledcycleclock.cc
+++ /dev/null
@@ -1,138 +0,0 @@
-// Copyright 2017 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "absl/base/internal/unscaledcycleclock.h"
-
-#if ABSL_USE_UNSCALED_CYCLECLOCK
-
-#if defined(_WIN32)
-#include <intrin.h>
-#endif
-
-#if defined(__powerpc__) || defined(__ppc__)
-#ifdef __GLIBC__
-#include <sys/platform/ppc.h>
-#elif defined(__FreeBSD__)
-#include <sys/sysctl.h>
-#include <sys/types.h>
-#endif
-#endif
-
-#include "absl/base/internal/sysinfo.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace base_internal {
-
-#if defined(__i386__)
-
-int64_t UnscaledCycleClock::Now() {
-  int64_t ret;
-  __asm__ volatile("rdtsc" : "=A"(ret));
-  return ret;
-}
-
-double UnscaledCycleClock::Frequency() {
-  return base_internal::NominalCPUFrequency();
-}
-
-#elif defined(__x86_64__)
-
-int64_t UnscaledCycleClock::Now() {
-  uint64_t low, high;
-  __asm__ volatile("rdtsc" : "=a"(low), "=d"(high));
-  return (high << 32) | low;
-}
-
-double UnscaledCycleClock::Frequency() {
-  return base_internal::NominalCPUFrequency();
-}
-
-#elif defined(__powerpc__) || defined(__ppc__)
-
-int64_t UnscaledCycleClock::Now() {
-#ifdef __GLIBC__
-  return __ppc_get_timebase();
-#else
-#ifdef __powerpc64__
-  int64_t tbr;
-  asm volatile("mfspr %0, 268" : "=r"(tbr));
-  return tbr;
-#else
-  int32_t tbu, tbl, tmp;
-  asm volatile(
-      "0:\n"
-      "mftbu %[hi32]\n"
-      "mftb %[lo32]\n"
-      "mftbu %[tmp]\n"
-      "cmpw %[tmp],%[hi32]\n"
-      "bne 0b\n"
-      : [ hi32 ] "=r"(tbu), [ lo32 ] "=r"(tbl), [ tmp ] "=r"(tmp));
-  return (static_cast<int64_t>(tbu) << 32) | tbl;
-#endif
-#endif
-}
-
-double UnscaledCycleClock::Frequency() {
-#ifdef __GLIBC__
-  return __ppc_get_timebase_freq();
-#elif defined(__FreeBSD__)
-  static once_flag init_timebase_frequency_once;
-  static double timebase_frequency = 0.0;
-  base_internal::LowLevelCallOnce(&init_timebase_frequency_once, [&]() {
-    size_t length = sizeof(timebase_frequency);
-    sysctlbyname("kern.timecounter.tc.timebase.frequency", &timebase_frequency,
-                 &length, nullptr, 0);
-  });
-  return timebase_frequency;
-#else
-#error Must implement UnscaledCycleClock::Frequency()
-#endif
-}
-
-#elif defined(__aarch64__)
-
-// System timer of ARMv8 runs at a different frequency than the CPU's.
-// The frequency is fixed, typically in the range 1-50MHz.  It can be
-// read at CNTFRQ special register.  We assume the OS has set up
-// the virtual timer properly.
-int64_t UnscaledCycleClock::Now() {
-  int64_t virtual_timer_value;
-  asm volatile("mrs %0, cntvct_el0" : "=r"(virtual_timer_value));
-  return virtual_timer_value;
-}
-
-double UnscaledCycleClock::Frequency() {
-  uint64_t aarch64_timer_frequency;
-  asm volatile("mrs %0, cntfrq_el0" : "=r"(aarch64_timer_frequency));
-  return aarch64_timer_frequency;
-}
-
-#elif defined(_M_IX86) || defined(_M_X64)
-
-#pragma intrinsic(__rdtsc)
-
-int64_t UnscaledCycleClock::Now() { return __rdtsc(); }
-
-double UnscaledCycleClock::Frequency() {
-  return base_internal::NominalCPUFrequency();
-}
-
-#endif
-
-}  // namespace base_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_USE_UNSCALED_CYCLECLOCK