contemplating CGEN for VLIW architecture

Doug Evans dje@transmeta.com
Wed Feb 20 09:18:00 GMT 2002


Alan Lehotsky writes:
 > I guess I'm also wondering if I can build an assembler that looks more like an expression language,
 > viz something like
 > 
 > 
 > 	REGA = REGB + REGC,  if R7 > R8 jump FAIL, REGZ=0x100;
 > 
 > where commas separate the various micro-ops, and the expressions are from the minimal set of + - ^ | &
 > separated by white space, etc.
 > 
 > Or is gas ONLY going to work with a traditional
 > 
 > 	OPCODE	OPERANDS,....
 > 
 > style?

Maybe write a separate language that converts one to the other?
Support "if R7 > R8 jump FAIL" on top,
and pass the result to gas which recognizes the "opcode operands,..." style.



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