Changes between Version 2 and Version 3 of Commentary/Compiler/IntegratedCodeGen


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Timestamp:
Jun 4, 2008 3:48:53 PM (6 years ago)
Author:
dias
Comment:

--

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  • Commentary/Compiler/IntegratedCodeGen

    v2 v3  
    991. Stg -> Cmm: Converts to a flat representation of C--. 
    10102. Cmm -> ZGraphCmm: 
    11 * Converts the flat representation to a control-flow graph, with Cmm statements representing instructions in the basic blocks. 
    12 * Implements calling conventions for call, jump, and return instructions: all parameter passing is turned into data-movement instructions (register-to-register move, load, or store), and stack-pointer adjustments are inserted. 
    13 * How do we refer to locations on the stack when we haven't laid it out yet? The compiler names a stack slot using the idea of a "late compile-time constant," which is just a symbolic constant that will be replaced with an actual stack offset when the stack layout is chosen. 
     11 * Converts the flat representation to a control-flow graph, with Cmm statements representing instructions in the basic blocks. 
     12 * Implements calling conventions for call, jump, and return instructions: all parameter passing is turned into data-movement instructions (register-to-register move, load, or store), and stack-pointer adjustments are inserted. 
     13 * How do we refer to locations on the stack when we haven't laid it out yet? The compiler names a stack slot using the idea of a "late compile-time constant," which is just a symbolic constant that will be replaced with an actual stack offset when the stack layout is chosen. 
     14