Template:Note using the .intel_syntax directive. Several opcodes will still use the AT&T name.
Template:Note While GAS normally writes only "pure" 32-bit i386 code, it has limited support for writing code to run in real mode or in 16-bit protected mode code segments.
Template:Note You have to choose the instruction set at compile time. GAS can not assemble for more than one operating mode at a time.
Template:Note 64-bit support is only available in NASM 2.x.
Template:Note Sol_Asm uses its own syntax, which looks like the Intel syntax.