site stats

Lock xadd dword ptr rax ecx

Witryna2 maj 2013 · lock xadd dword ptr [ecx],eax ;80486以上的机器支持的指令 lock，锁定操作数的内存地址，防止其他程序操作,xadd，2边操作数交换后，相加0x7c809823， … Witryna6 cze 2010 · The dword ptr part is called a size directive. This page explains them, but it wasn't possible to direct-link to the correct section. Basically, it means "the size of the target operand is 32 bits", so this will bitwise-AND the 32-bit value at the address …

Ternary operator is twice as slow as an if-else block?

Witryna00021 b9 01 00 00 00 mov ecx, 1: 00026 f0 0f c1 08 lock xadd DWORD PTR [rax], ecx: 0002a ff c1 inc ecx: 0002c 8b c1 mov eax, ecx: 0002e 89 44 24 20 mov DWORD … WitrynaFrom mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: ([email protected]) by vger.kernel.org via listexpand id … multi battery and charger sets https://qtproductsdirect.com

leaf/benchmark.md at develop · boostorg/leaf · GitHub

Witryna23 mar 2024 · If this strategy of double-width load had any merit, it would be better implemented with pure integer on a 64-bit machine like x86-64, where you can operate on just the low 32 bits with garbage (or valuable data) in the upper half. E.g., ## What GCC should have done, ## if it was going to use this 64-bit load strategy at all movsx … Witrynag(): # @g() push rbx mov rbx, rdi call rand test al, 1 jne .LBB1_2 mov eax, 4 lock xadd dword ptr [rip + boost::leaf::leaf_detail::id_factory::counter], eax add eax, 4 … Witryna15 lut 2024 · Install Cheat Engine. Double-click the .CT file in order to open it. Click the PC icon in Cheat Engine in order to select the game process. Keep the list. Activate … multi battery led hybrid baustrahler 6050 mh

Applied Reverse Engineering: Accelerated Assembly [P1]

Category:STL smart pointers vs. Boost smart pointers

Tags:Lock xadd dword ptr rax ecx

Lock xadd dword ptr rax ecx

Производительность shared_ptr и C++11: почему я не верю …

WitrynaA tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Witryna10 kwi 2012 · 由上可见，在单处理器系统下，LOCK_PREFIX 宏为空，因为此时并不需要 LOCK 指令前缀，处理器只要有可能，原子操作就会被编译成单个机器指令。 在一些 …

Lock xadd dword ptr rax ecx

Did you know?

Witryna29 mar 2024 · 在其他语言中也有类似 Span 与 Memory 的概念，例如 go 中的 slice，c 中指针与长度的结合 (例如 `struct char_view { char* ptr, size_t size; }`)，与 c++ 中的 `string_view` 和 `span` 类型。 Witryna7 mar 2024 · この記事の内容. 次の非常に単純な関数は、x64 呼び出し規則を示しています。. これにより、次のようなコードにコンパイルされます。. i パラメーターと j …

WitrynaThe addition sets the zero flag if the result was zero (then ZF=1). A possible subsequent compare reads the zero flag and acts accordingly. The jne jumps to its target in case … Witryna18 cze 2024 · main: # @main push r14 push rbx sub rsp, 56 movabs rax, 4611686019492741120 # Константы будут в [rsp, rsp+12). Это переменная p. mov qword ptr [rsp], rax mov dword ptr [rsp + 8], 1077936128 # Копируем константы в [rsp+24, rsp+36), это временная переменная pTmp.

Witrynaguaranteed to be locked against access by a processor executing a locked instruction on exactly the same memory area, i.e., an operand with identical starting address and … Witrynalock xadd DWORD PTR [rax], edx: mov eax, edx.L8: cmp eax, 1: jne.L3: mov rax, QWORD PTR [rbx] mov rdi, rbx: call [QWORD PTR [rax + 24]] jmp.L3.L11: mov eax, …

Witryna21 lut 2012 · Здравствуйте! Оптимизировал я однажды критический участок кода, и был там boost::shared_ptr… И понял я: не верю я библиотекам, хоть и пишут их дядьки умные. Детали под катом. Так вот, оптимизировал я...

WitrynaGo 系列文章 10: sync. 内容简介：原文和后续更新：从原理上来讲，atomic 操作和非 atomic 操作之间不满足线性一致性模型。. 这和现代计算机的 CPU 乱序执行，以及 … multi battery charger for dewalt toolsWitrynaВ связи с моим другим вопросом, пожалуйста, помогите me debug «Необработанное исключение типа 'System.AccessViolationException' произошло в неизвестном модуле. Дополнительная информация: попытка чтения или записи в защищенную память. how to measure bimini top for boatWitryna28 mar 2024 · 0x7ffa6f68fe4a <+ 2890> mov qword ptr [r14+80h],rax 0x7ffa6f68fe51 <+ 2897> mov rax,qword ptr [rsp+90h] 0x7ffa6f68fe59 <+ 2905> mov ecx,dword ptr [rax] how to measure blackhorn 209 powderWitryna27 sie 2012 · Введение В настоящий момент сложно себе представить программное обеспечение, работающее в одном потоке. Конечно, существует ряд простых задач, для которых один поток более, чем достаточен. multi battery charger 12 voltWitryna27 mar 2024 · mov eax, [rsp+70h] mov edx, [rsp+70h] add eax, 2 mov [rsp+rdx*8+20h], rax inc dword ptr [rsp+70h] <--- mov ecx, [rsp+70h] cmp ecx, 0Ah jb short loc_140001067. The inc instruction is the unary increment instruction that takes the operand and adds 1 to it. Now we know that our loop is incrementing our counter! ... multi battery led hybrid baustrahler 10050 mhWitryna5 kwi 2024 · The last strong ref does one weak // downcount, that means strong refs don't have to upcount both // counts and only downcount twice rarely. 0111C mov eax,edi // … multi battle pokemon swordWitryna5 kwi 2024 · The last strong ref does one weak // downcount, that means strong refs don't have to upcount both // counts and only downcount twice rarely. 0111C mov eax,edi // -1 0111E lock xadd dword ptr [rbx+0Ch],eax 01123 cmp eax,1 01126 jne sharedPtrFunction+0B1h (01131h) // if the weak count was 1, it's now zero and it's … multi battery chargers 12 volt