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The ARC version of as
supports the following additional
machine directives:
.2byte expressions
.3byte expressions
.4byte expressions
.extAuxRegister name,address,mode
.extAuxRegister mulhi,0x12,w |
.extCondCode suffix,value
.extCondCode is_busy,0x14 |
.extCoreRegister name,regnum,mode,shortcut
.extCoreRegister mlo,57,r,can_shortcut |
.extInstruction name,opcode,subopcode,suffixclass,syntaxclass
.extInstruction mul64,0x14,0x0,SUFFIX_COND,SYNTAX_3OP|OP1_MUST_BE_IMM |
.half expressions
.long expressions
.option arc|arc5|arc6|arc7|arc8
.option
directive must be followed by the desired core
version. Again arc
is an alias for
arc6
.
Note: the .option
directive overrides the command line option
-marc
; a warning is emitted when the version is not consistent
between the two - even for the implicit default core version
(arc6).
.short expressions
.word expressions