x86

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Reading IA32 Assembly Code pertaining to using double arrays

This is the exact question: The following Code 开发者_StackOverflowtransposes the elements of an M x M array, where M[详细]

2023-04-07 04:23 分类：问答
what is the order of source operands in AT&T syntax compared to Intel syntax?

The Intel ISA reference documentation for this instruction is clear: VPBLENDVB xmm1, xmm2, xmm3/m128, xmm4[详细]

2023-04-07 04:04 分类：问答
What is x86_thread_state64_t & thread_act_t?

I was looking into source code of StarRuntime and I came across two terms x86_thread_state64_t & thread_act_t.[详细]

2023-04-06 23:35 分类：问答
Assembly Language: difference between ja and jg?

I am having trouble understanding the difference between ja and jg for assembly language. I have a section of code:[详细]

2023-04-06 19:59 分类：问答
bt assembly instruction

I have quesetion about bt assembly instruction. I have excerpted part of book to provide context. Please see last example, bt Testme, bx. Why does that copy TestMe+8? Shouldn\'t it copy TestMe+65?[详细]

2023-04-06 18:57 分类：问答
Asking for help to fix inline assembly issue in D program

Hello I\'m trying to use ASM in a little D program : asm { mo开发者_JAVA技巧v AX,12h; int 10h; } I\'ve got this message : \"end of instruction\" from the two lines in the asm statement[详细]

2023-04-06 14:41 分类：问答
Need help understanding Assembly interaction with stack

Okay, so here\'s the deal. To my understanding you can do something like such with the stack in assembly:[详细]

2023-04-06 09:09 分类：问答
Should I build my Android app for x86?

I am developing an Android game, which I will upload to the market. I am using the NDK; the majority of the game code is C++.开发者_开发问答[详细]

2023-04-06 00:43 分类：问答
How to store consecutive bytes in the EBX register

I am trying to store an array of the the fibonacci sequence in consecutive bytes of the EBX register from lowest byte to highest byte. My code works as expected up until this point:[详细]

2023-04-05 10:09 分类：问答
x86 left shift arithmetically overflow control

Do you know any way to ef开发者_StackOverflow中文版ficient check if overflow/underflow occurs on x86 left shift arithmetically?A good option is to perform an arithmetic shift right after the shift lef[详细]

2023-04-04 23:52 分类：问答