Unpacking nibbles to bytes - Direct instructions/ Efficient Way to implement and keep sign...

Why does 2's complement sign extension work by adding copies of the sign bit?...

What do the `uxtx` and `sxtx` extensions mean for 32-bit AArch64 `adds` instruction?...

Signed extension from 24 bit to 32 bit in C++...

where does the sign extention happen in lh/lb ( Load Half / Load Byte )?...

RISC-V: Do 12-bit immediate logical operations operate on the whole register?...

Sign extend a register to 64-bit (set all bits = sign bit) in Thumb mode...

assembly cltq and movslq difference...

A compilation problems in VS2015...

Confusion about MIPS I-type instruction sign extend...

Zero/Sign extension in assembly without using MOVZX/MOVSX...

needs to understand the meaning behind 0x7fffffff and 0xffffffff80000000 in terms of memory address ...

what is most efficient code to sign-extend large integers?...

What is happening in this Assembly code?...

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

What is the effect of the displacement value on the Mod field of the ModRegRm byte?...

andi vs. addi instruction in MIPS with negative immediate constant...

When and why do we sign extend and use cdq with mul/div?...

_mm256_movemask_epi8 to uint64_t...

Casting signed to unsigned and vise versa while widening the byte count...

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

How to safely extract a signed field from a uint32_t into a signed number (int or uint32_t)...

why _mm_extract_epi16 doesn't get expected result?...

Is a sign or zero extension required when adding a 32bit offset to a pointer for the x86-64 ABI?...

What does movslq do?...

How is MOVSX instruction sign extending input in this case?...

How to perform bit extension in system verilog?...

Assembly Language: cbw...

load byte instruction in MIPS...

What is the most efficient way in Java to sign extend an arbitrary length pattern of bits?...