Tag: x86 x86 230 Questions Ask question Search Order By: ActiveTagClear Filter 1 Votes 1 Ans Drawing pixels in VESA graphic mode 1.06M viewsassembly nasm vesa x86 x86-16 0 Votes 1 Ans Primary chart of opcodes to bytes 291.60K viewsassembly intel machine-language opcode x86 0 Votes 1 Ans x86 Assembly Language: Shift multiplication with 64 bit answer 330.32K viewsassembly bit-shift linux multiplication x86 9 Votes 1 Ans How to force NASM to encode [1 + rax*2] as disp32 + index*2 instead of disp8 + base + index? 1.25M viewsassembly machine-code micro-optimization nasm x86 11 Votes 1 Ans How to access the control registers cr0,cr2,cr3 from a program? Getting segmentation fault 603.23K viewscpu-registers inline-assembly x86 48 Votes 4 Ans Getting started with Intel x86 SSE SIMD instructions 1.06M viewsC# gcc simd sse x86 0 Votes 0 Ans Where do assembly instruction “Intel group” categories originate? 1.11M viewsassembly intel machine-code x86 x86-16 110 Votes 11 Ans Floating point vs integer calculations on modern hardware 990.04K viewsC# floating-point x86 x86-64 2 Votes 1 Ans how to access and change char array in c x86 AT&T inline assembly 1.26M viewsassembly C# cpu-registers inline-assembly x86 6 Votes 3 Ans Stack / base pointers in assembly 560.33K viewsassembly backtrace callstack stack-frame x86 10 Votes 10 Ans How can I multiply two 64-bit numbers using x86 assembly language? 15.61K viewsassembly bigint extended-precision x86 2 Votes 1 Ans Why in xv6 there’s sizeof(gdt)-1 in gdtdesc 1.50M viewsassembly gdt operating-system x86 xv6 1 Votes 1 Ans What does ‘escape opcode’ mean? 422.89K viewsassembly encoding machine-code opcode x86 5 Votes 1 Ans Referencing registers in machine code 1.38M viewsassembly machine-code x86 188 Votes 10 Ans What is the difference between Trap and Interrupt? 1.36M viewscpu-architecture interrupt kernel operating-system x86 5 Votes 1 Ans Why does the ia32/x64 opcode map document 0x66 and 0xF2 as a double mandatory prefix for opcode 0x0F38F1 (CRC32)? 1.18M viewsassembly machine-code opcode x86 x86-64 65 Votes 2 Ans What is the purpose of the “PAUSE” instruction in x86? 866.16K viewscritical-section intel parallel-processing x86 x86-64 37 Votes 7 Ans Intel x86 Opcode Reference? 280.61K viewsassembly intel opcode x86 9 Votes 2 Ans x86 find out operand size of instruction given only the hex machine code? 631.44K viewsdisassembly instruction-encoding x86 1 Votes 1 Ans How can i multiply two registers and store them in a different register? 1.35M viewsassembly multiplication x86 3 Votes 1 Ans What’s the difference between SIMD and SSE? 1.22M viewssimd x86 1 Votes 1 Ans Encoding x86-16 instruction with immediate operand 696.92K viewsassembly instruction-encoding machine-code x86 43 Votes 2 Ans How are x86 uops scheduled, exactly? 672.12K viewscpu-architecture intel optimization performance x86 9 Votes 3 Ans What does alignment to 16-byte boundary mean in x86 441.50K viewsmemory-alignment optimization x86 0 Votes 1 Ans assembly – Issue with permutations generation 1.42M viewsassembly C# inline-assembly permutation x86 0 Votes 1 Ans VC++ Inline assembly errors 1.40M viewsassembly inline-assembly visual-c++ visual-studio x86 2 Votes 1 Ans Read 16 bits from memory in Assembly x86 NASM 98.93K views32-bit assembly nasm sum x86 37 Votes 1 Ans Difference between MOVDQA and MOVAPS x86 instructions? 1.08M viewsassembly mov simd sse x86 1 Votes 1 Ans How does x86 handle byte vs word addressing when executing instructions and reading/writing data? 1.10M viewsassembly cpu-architecture instruction-encoding instruction-set x86 1 Votes 2 Ans Visual Studio 2019 – MASM – 32bit Assembly – Hello World 464.83K viewsassembly masm visual-studio-2019 x86 1 2 3 … 7 8 Next »