patch applied (ghc): x86_64 NCG: fix register usage for CALLs

Wed, 29 Nov 2006 17:27:08 -0800 

Tue Nov 28 17:34:29 PST 2006  [EMAIL PROTECTED]
  * x86_64 NCG: fix register usage for CALLs
  
  For varargs calls, CALL reads the %al register; record that fact for the 
benefit of the
  register allocator.
  (There was a previous attempt to do this, but it was broken.)
  

    M ./compiler/nativeGen/MachCodeGen.hs -1 +1
    M ./compiler/nativeGen/RegAllocInfo.hs -6

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