>>>>> "JP" == Joerg Plate <[EMAIL PROTECTED]> writes:
>> const int slot = (reg_alloc + 7) >> 3; reg_alloc = slot << 3; >> This is where I start not to understand. Why reg_alloc + 7? Why >> shift left and right by 3? JP> That's just a rounding up (if necessary) to a multiple of 8 (2<<3). and those sort of things should be macros as they are confusing otherwise and annoying to change. and named something like ROUND_UP_TO_BOUNDARY. as others have said it is a common idiom. and i agree that there should be comments on WHY the rounding is used/needed. uri, an expired c hacker recalling painful issues :) -- Uri Guttman ------ [EMAIL PROTECTED] -------- http://www.stemsystems.com --Perl Consulting, Stem Development, Systems Architecture, Design and Coding- Search or Offer Perl Jobs ---------------------------- http://jobs.perl.org
