21 Aug
2007
21 Aug
'07
2:02 p.m.
| > GHC does some constant folding, but little by way of strength | reduction, or using shifts instead of multiplication. It's pretty easy | to add more: it's all done in a single module. Look at primOpRules in | the module PrelRules. | > | > Patches welcome! But please also supply test-suite tests that check | the correctness of the rules. | > | | So... you mean it's source-level transformation rules? (Rather than | wired into the compiler itself somewhere.) No, constant folding is part of the compiler, I'm afraid, in the module PrelRules. Simon