Changes between Version 8 and Version 9 of Commentary/Compiler/NewCodeGenStupidity


Ignore:
Timestamp:
Mar 23, 2011 3:12:12 PM (4 years ago)
Author:
ezyang
Comment:

incidence

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  • Commentary/Compiler/NewCodeGenStupidity

    v8 v9  
    7171 
    7272We see `Hp - 4` being allocated to a temp, and then consequently being spilled to the stack even though `newCAF` definitely will not change `Hp`, so we could have floated the expression down. 
     73 
     74This seems to happen whenever there's a `newCAF` ccall. 
    7375 
    7476== Up and Down ==