Chapter 12.

ARC Dependent Features

12.1. Options

 marc[5|6|7|8]

This option selects the core processor variant. Using

 marc

is the same as

 marc6

, which is also

the default.

arc5

Base instruction set.

arc6

Jump and link (jl) instruction. No requirement of an instruction between setting flags and

conditional jump. For example:

mov.f r0,r1

beq

foo

arc7

Break (brk) and sleep (sleep) instructions.

arc8

Software interrupt (swi) instruction.

Note: the

.option

directive can to be used to select a core variant from within assembly code.

 EB

This option specifies that the output generated by the assembler should be marked as being

encoded for a big endian processor.

 EL

This option specifies that the output generated by the assembler should be marked as being

encoded for a little endian processor   this is the default.

12.2. Syntax

12.2.1. Special Characters

*TODO*