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Diffstat (limited to 'content/zettel/2b1e.md')
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diff --git a/content/zettel/2b1e.md b/content/zettel/2b1e.md new file mode 100644 index 0000000..401d1ea --- /dev/null +++ b/content/zettel/2b1e.md @@ -0,0 +1,21 @@ ++++ +title = "Reverse if-conversion" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["3c3f", "2b1d"] +forwardlinks = ["1c8", "1b8", "3c3f"] +zettelid = "2b1e" ++++ + +To be able to target standard processors, reverse if-conversion can be +used to create if-statements and branches based on the predicated +instructions. Scheduling over multiple blocks can then be performed by +adding predicates, doing if-conversion ([\#1c8]) and hyperblock +scheduling ([\#1b8]). Then, to convert back to a basic-block view of the +code, reverse if-conversion can be used. This therefore has a similar +effect to scheduling instructions using trace scheduling ([\#3c3f]). + + [\#1c8]: /zettel/1c8 + [\#1b8]: /zettel/1b8 + [\#3c3f]: /zettel/3c3f |