Changes between Version 12 and Version 13 of Commentary/Compiler/NewCodeGenStupidity


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Timestamp:
Apr 11, 2011 2:24:04 PM (4 years ago)
Author:
ezyang
Comment:

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  • Commentary/Compiler/NewCodeGenStupidity

    v12 v13  
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    9292
    93 We need to not spill across certain foreign calls, but for which calls this is OK for is unclear.
     93~~We need to not spill across certain foreign calls, but for which calls this is OK for is unclear.~~ Variables stay live across all unsafe foreign calls (foreign calls in the middle), except for the obvious cases (the return registers), so no spilling should happen at all. The liveness analysis is too conservative.
    9494
    9595== Up and Down ==