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Movss xmm0 dword ptr

Nettetcommand movss destination, source Copies the data from source operand to destination operand. Used for Moving Scalar Single-Precision Floating-Point Values. The movss … Nettetmov dword ptr [rdx], 13 mov dword ptr [rcx], 42 mov eax, dword ptr [rdx] ret As can be seen it: Stores 13 into b. Stores 42 into a. Reloads the value from b to return it. It has to reload b because the compiler does not know whether a and b are backed by the same memory or not. Let's now add a [NoAlias] attribute and see what we get:

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Nettet10. mai 2024 · 000007FEEE25CF93 movss dword ptr [rax+8],xmm0. 000007FEEE25CF98 sub rsp,48h. 000007FEEE25CF9C movaps xmmword ptr [rax-18h],xmm6. 000007FEEE25CFA0 lea rcx,[rax+8] 000007FEEE25CFA4 movaps xmmword ptr [rax-28h],xmm7. 000007FEEE25CFA8 movaps xmm6,xmm0. … Nettet7. sep. 2024 · movss dword ptr ds: [ebx+0x34],xmm0. MOVSS xmm2/m32, xmm1. Move scalar single-precision floating-point value from xmm1 register to xmm2/m32. Now … in a hurricane where are the strongest winds https://stampbythelightofthemoon.com

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Nettet23. mai 2024 · example::destructuring: movss xmm0, dword ptr [rdi + 8] ret The compiler has no problem understanding what the user wants to extract and can optimize all the destructuring that is not needed. The compiler is merely shifting the pointer to where we wish to read: [rdi + 8] , if we decided to access the second element we would see : [rdi … NettetDescription. Moves a scalar single-precision floating-point value from the source operand (second operand) to the destination operand (first operand). The source and … Nettet하지만 그렇게 해도 괜찮은 이유가 있습니다. 128비트 xmm0 레지스터에 movss 명령어를 통해 4바이트 float 단정도 부동 소수점의 값을 넣고 있는데, 이런 경우 128비트 xmm0 레지스터는 4개의 32비트로 나뉘어 movss에서 지정한 … in a hurry chords

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Movss xmm0 dword ptr

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NettetCPU Disasm Command Comments MOVSS XMM0, DWORD PTR DS: [EAX+30] ; FLOAT 31.00000 orginal float MOVSS XMM1, DWORD PTR DS: [ESI+94] ; FLOAT 0.4300000 original flaot MOVSS XMM2, DWORD PTR DS: [ESI+9C] ; FLOAT 2.000000 mov multiplier from location you chose to spare register MULSS XMM1, XMM2 ; FLOAT 0.0, … Nettet11. jul. 2024 · В этом посте мы расскажем о процессе создания aimbot — программы, автоматически прицеливающейся во врагов в игре жанра «шутер от первого …

Movss xmm0 dword ptr

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NettetC++ 使用整数和无符号整数与双精度整数混合时的速度差,c++,c,performance,x86,C++,C,Performance,X86,我有一个应用程序，其中内部循环的一部分基本上是： double sum = 0; for (int i = 0; i != N; ++i, ++data, ++x) sum += *data * x; 如果x是一个无符号int，那么代码所用的时间是int的3倍 这是一个更大的代码库的一部分， … Nettet[ros-diffs] [reactos] 06/15: [LIBM] Fix up some asm files. Timo Kreuzer Thu, 01 Dec 2024 05:24:33 -0800

Nettet18. jan. 2024 · 0033d 48 8b 01 mov rax, QWORD PTR [rcx] 00340 41 b8 14 00 00 00 mov r8d, 20 // a default argument 00346 f3 44 0f 10 05 00 00 00 00 movss xmm8, DWORD PTR __real@420c3333 // this is 35.05 0034f f3 44 0f 11 44 24 28 movss DWORD PTR [rsp+40], xmm8 00356 48 c7 44 24 20 1e 00 00 00 mov QWORD PTR [rsp+32], 30 // a … Nettet24. feb. 2024 · 000000013F0AA778 movss xmm0,dword ptr [r9+rax*4] 000000013F0AA77E comiss xmm0,xmm1 000000013F0AA781 jbe Tester::run+28h (013F0AA788h) 000000013F0AA783 mov r8d,ecx 000000013F0AA786 jmp Tester::run+2Ah (013F0AA78Ah) 000000013F0AA788 mov edx,ecx ...

Nettet25. jul. 2024 · movss xmm0,dword ptr [ebp-0Ch],xmm0 其中xmm0是浮点寄存器， movss后缀带ss一般都是浮点运算符，浮点类型比较特殊，包括float及double FPU浮点寄存器一共8个，从xmm0-xmm7 NettetC++ 除非使用某些寄存器，否则函数挂钩将崩溃,c++,visual-c++,x86,inline-assembly,calling-convention,C++,Visual C++,X86,Inline Assembly,Calling Convention

NettetCPU Disasm Command Comments MOVSS XMM0, DWORD PTR DS:[EAX+30] ; FLOAT 31.00000 orginal float MOVSS XMM1, DWORD PTR DS:[ESI+94] ; FLOAT 0.4300000 …

Nettetmov rax, qword ptr [rcx + 8] mov dword ptr [rax], 42 mov ecx, dword ptr [rcx] movss xmm0, dword ptr [rax + 4*rcx] ret こうすると、p が bar へのポインターになりえない … in a hurry in spanishNettet5. apr. 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 time … dutch women\u0027s eredivisie tableNettet400fd0: f3 41 0f 7e 04 47 movq xmm0,QWORD PTR [r15+rax*2] 400fd6: 66 0f 61 c0 punpcklwd xmm0,xmm0 400fda: 66 0f 72 e0 10 psrad xmm0,0x10 400fdf: 0f 5b c0 cvtdq2ps xmm0,xmm0 400fe2: f3 0f 7e 0c 43 movq xmm1,QWORD PTR [rbx+rax*2] 400fe7: 66 0f 61 c9 punpcklwd xmm1,xmm1 400feb: 66 0f 72 e1 10 psrad xmm1,0x10 … in a hurry clip artNettetI see an instruction: MOVSS DWORD PTR DS: [ESI+8],XMM0 and as step through that instruction, the value shown in MM0 on the register window does not become the value stored at [ESI+8]. So, I suppose another question is: Are the XMM0 and MM0 registers different? ollydbg Share Improve this question Follow edited May 18, 2014 at 7:20 perror in a hurry cartoonNettet23. mar. 2012 · dword 双字 就是四个字节ptr pointer缩写 即指针[]里的数据是一个地址值，这个地址指向一个双字型数据比如mov eax, dword ptr [12345678] 把内存地 … dutch wolvesNettet23. sep. 2014 · line 7: ucomiss xmm0, dword ptr [rip+0x8] //return order.LastRemainingBudget - totalCostSpent > 0 This line of code performs unordered floating point comparison of totalCostSpent(xmm0) variable with order.LastRemainingBudget which is pointed by RIP register(RIP - relative addressing). in a hurry等于什么Nettetcomisd xmm0, QWORD PTR [rbp-8] jbe .L7 movsd xmm0, QWORD PTR [rbp-8] mulsd xmm0, QWORD PTR [rbp-16] ... mov DWORD PTR [rbp-4], edi mov DWORD PTR [rbp-8], esi cmp DWORD PTR [rbp-4], 1 jne .L10 cmp DWORD PTR ... dutch woman