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| code logs -> 2020 -> Fri, 06 Mar 2020 | < code.20200305.log - code.20200307.log > |
| --- Log opened Fri Mar 06 00:00:53 2020 |
| 00:15 | | Kindamoody is now known as Kindamoody[zZz] |
| 00:20 | <&McMartin> | Functions that are tails of other functions can be transformed such that the "prefix" function ends with a call to the "suffix" one |
| 00:20 | <&McMartin> | That one even falls out of a peephole optimizer |
| 00:23 | <~Vornicus> | fair |
| 00:26 | <&McMartin> | The kinds of stuff that fall out of peephole optimizers are frankly pretty nuts |
| 00:27 | <&McMartin> | It's one of those "unreasonably effective" things, though often it doesn't become unreasonably effective on naive compiler-generated code until you've done some mightier transforms first. |
| 00:27 | <&McMartin> | There's a reason the gap between -O0 and -O1 is so vast and also why half of the warnings in C don't show up without at least -O1 >_> |
| 00:28 | <&McMartin> | (You don't make an optimization just for that, though; instead you turn JSR $XXXX; RTS into JMP $XXXX and then you notice that you have a JMP <instruction right after this one> and delete it) |
| 00:37 | <~Vornicus> | also wow I can't read |
| 00:39 | <~Vornicus> | Misread "peephole optimizer" as "pedophile optimizer" which is quite terrible |
| 00:40 | <&McMartin> | Very bad |
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| --- Log closed Sat Mar 07 00:00:55 2020 |
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| code logs -> 2020 -> Fri, 06 Mar 2020 | < code.20200305.log - code.20200307.log > |
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