From 8620de6b2030bef35360d029354f672cde8978f1 Mon Sep 17 00:00:00 2001 From: Lioncash Date: Fri, 15 Jan 2021 02:02:57 -0500 Subject: common/bit_util: Replace CLZ/CTZ operations with standardized ones Makes for less code that we need to maintain. --- src/core/hle/kernel/k_scheduler.cpp | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/core/hle/kernel/k_scheduler.cpp') diff --git a/src/core/hle/kernel/k_scheduler.cpp b/src/core/hle/kernel/k_scheduler.cpp index 42f0ea483..12b5619fb 100644 --- a/src/core/hle/kernel/k_scheduler.cpp +++ b/src/core/hle/kernel/k_scheduler.cpp @@ -5,6 +5,8 @@ // This file references various implementation details from Atmosphere, an open-source firmware for // the Nintendo Switch. Copyright 2018-2020 Atmosphere-NX. +#include + #include "common/assert.h" #include "common/bit_util.h" #include "common/fiber.h" @@ -31,12 +33,12 @@ static void IncrementScheduledCount(Kernel::Thread* thread) { void KScheduler::RescheduleCores(KernelCore& kernel, u64 cores_pending_reschedule, Core::EmuThreadHandle global_thread) { - u32 current_core = global_thread.host_handle; + const u32 current_core = global_thread.host_handle; bool must_context_switch = global_thread.guest_handle != InvalidHandle && (current_core < Core::Hardware::NUM_CPU_CORES); while (cores_pending_reschedule != 0) { - u32 core = Common::CountTrailingZeroes64(cores_pending_reschedule); + const auto core = static_cast(std::countr_zero(cores_pending_reschedule)); ASSERT(core < Core::Hardware::NUM_CPU_CORES); if (!must_context_switch || core != current_core) { auto& phys_core = kernel.PhysicalCore(core); @@ -109,7 +111,7 @@ u64 KScheduler::UpdateHighestPriorityThreadsImpl(KernelCore& kernel) { // Idle cores are bad. We're going to try to migrate threads to each idle core in turn. while (idle_cores != 0) { - u32 core_id = Common::CountTrailingZeroes64(idle_cores); + const auto core_id = static_cast(std::countr_zero(idle_cores)); if (Thread* suggested = priority_queue.GetSuggestedFront(core_id); suggested != nullptr) { s32 migration_candidates[Core::Hardware::NUM_CPU_CORES]; size_t num_candidates = 0; -- cgit v1.2.3