P1076 March 17, 2011 Meeting Minutes

Attendees:

• Charles Fulks
• David Koontz
• John Shields
• Jim Lewis
• David Bishop
• Jerry Kaczynski
• Martin Thompson

Agenda/Discussion:

Review IEEE patent policy (please read before meeting)

Approve March 3 meeting minutes: Motion: Jerry 2nd: John

Continue discussion of language change requirements.

Package of RTL Hardware Primitives / RTL Building Blocks (Mux, Decoders, FF ...)

More expressive and/or concise way of coding flip flops, Multiplexors, decoders, ...

David Bishop

• Operator Perhaps to involve clock, reset, enable, reset value, clock edge.

A <= B @ 2 ; -- Clock is implicit - default clocks and reset

Jim Lewis

• Use subprograms see posts around Feb 18th time
• Enhance subprograms with defaults similar to generics
• Need a library of parts (mux, ...)

• Alternately the following assignment does a simple FF, however some vendors may not support it

A <= B when rising_edge(Clk) ;

David Koontz

• Also likes library of gate like parts - gives much similarity to gate parts

David Bishop

• How do we drive vendor uptake on items like this?

OOP/AOP and Interfaces

Jim Lewis

• Although I did the previous interface proposal, I think a good implementation of interfaces is to incorporate them into a class.
• Then allow shared variables to be an interface object on entities as elaborated in the OO proposal

David Koontz

• Already a class like mechanism in entities and components

What is a Class

• Container + Methods + internal state (private objects), has polymorphism and dynamic dispatch.
• It may or may not public objects

John Shields - believes that sharing object classes across languages will be difficult and fraught with trouble

Martin Thompson - need generic programming - and nn need OO - for testbenches

• AI post links to generic programming topics

Need examples of things that need OO - that illustrate perhaps the advantages of OO over generics on protected types.

Next Meeting (proposed):

Thursday March 31 at 8 am