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Questions tagged [armv8]

This tag is for questions regarding specifically version 8 of the ARM architecture - 32-bit or 64-bit. Questions about the 64-bit ARM execution state or instruction set should be tagged with [arm64].

Version 8 of the ARM architecture introduced a new 64-bit execution state (AArch64) with a new 64-bit instruction set (A64) as well as retaining and extending the existing 32-bit execution state (AArch32) and its instruction sets A32 ("ARM") and T32 ("Thumb").

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undefined reference compiling taskwarrior on arm chromebook

I tried to build task-2.5.1 on my armv81 chromebook inside a termux session. It didn't work due build dependencies so I installed them then uncompressed and started in a fresh new directory. When I ran make VERBOSE=1 I got an undefined reference to…
Grant Bowman
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ARMv8: convert decimal to binary using ARMv8 assembly language

how to convert decimal to binary using ArmV8 assembly language Example: input: 43 output: 101011 I mainly dont know how to do the conversion part from decimal to binary or how to translate it from any programming language to ARMv8 this is what I…
Nick
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How to load multiple char values in armv7 assembly program?

I am loading multiple char values in armv7 program using vldm instruction, but all four values is loading one s register, but I need to expand this values in floating point register (q0). Please help me. This is my C code: void sum(){ int sum…
jilani
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Making sense of this line of VHDL code that multiplies by 8

Why is line 2 i * 8? I got this code from a book. MOV X9,XZR // i = 0 loop1: LSL X10,X9,#3 // X10 = i * 8 ADD X11,X0,X10 // X11 = address of array[i] STUR XZR,[X11,#0] // array[i] = 0 ADDI X9,X9,#1 // i = i + 1 CMP X9,X1 // compare i to size B.LT…
Connor
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ARM Fixed Virtual Platforms (FVP) and ARMv8.4-a support

ARM offers emulators for development at Fixed Virtual Platforms (FVPs). ARM also announced ARMv8.4-a, which provides hardware acceleration for cryptographic algorithms, including SHA2-512, SHA3, SM3 and SM4. I have some C++ code I want t port to the…
jww
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