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Question regarding converting assembly to c -- specifically what the movzbl instruction does?

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#assembly #x86 #x86-64 #instructions #zero-extension
1.9k
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What do the `uxtx` and `sxtx` extensions mean for 32-bit AArch64 `adds` instruction?

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#assembly #arm64 #sign-extension #zero-extension
3.6k
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Can "mov eax, 0x1" always be used instead of "mov rax, 0x1"?

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#assembly #nasm #x86-64 #zero-extension
1.6k
Views

x86 assembly - mov and movzx from dword to qword?

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#assembly #x86 #x86-64 #sign-extension #zero-extension
2.5k
Views

Zero/sign-extend are no-op, why then instructions for each size type?

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#assembly #riscv #sign-extension #zero-extension
384
Views

random effects test in GLMM or zero-inflated mixed model

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#r #mixed-models #longitudinal #random-effects #zero-extension
1.5k
Views

Why movzbl is used in assembly when casting unsigned char to signed data types?

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#c #assembly #casting #mov #zero-extension
901
Views

How to isolate byte and word array elements in a 64-bit register

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#assembly #x86-64 #sign-extension #zero-extension
71.9k
Views

x86_64 registers rax/eax/ax/al overwriting full register contents

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#assembly #x86-64 #cpu-registers #zero-extension
1.3k
Views

Adding a byte from memory to the AX register

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#assembly #x86-16 #masm #micro-optimization #zero-extension
1k
Views

How is MOVSX instruction sign extending input in this case?

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#assembly #x86 #disassembly #sign-extension #zero-extension
29.3k
Views

Clarifications on signed/unsigned load and store instructions (MIPS)

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#assembly #mips #sign-extension #zero-extension
7.8k
Views

Weird results with movzwl, %ax and negative values

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#assembly #x86 #sign-extension #zero-extension
742
Views

From word to byte

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#assembly #x86 #cpu-registers #zero-extension
287
Views

Assembly (AT&T) read memory to register?

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#assembly #x86-64 #att #zero-extension
111
Views

Translate assembly instructions to c++

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#c++ #assembly #x86 #zero-extension
9k
Views

In MIPS, when to use a signed-extend, when to use a zero-extend?

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#assembly #mips #system-verilog #immediate-operand #zero-extension
1.5k
Views

Problem to store value ​from register into memory, ARM 32 bit

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#assembly #raspberry-pi #arm #raspberry-pi3 #zero-extension
3.9k
Views

MOV 8 bit to 16 bit register (al to bx)

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#assembly #x86-16 #emu8086 #sign-extension #zero-extension
13.4k
Views

andi vs. addi instruction in MIPS with negative immediate constant

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#assembly #mips #sign-extension #zero-extension #immediate-operand

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