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Add change log entry for ^^ operator handling changes #22838

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thewilsonator merged 1 commit into from
Mar 30, 2026
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Add change log entry for ^^ operator handling changes #22838

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9 changes: 9 additions & 0 deletions changelog/druntime.pow.dd
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
Translate ^^ operator to druntime hook

The exponentiation operator (^^) is now lowered to a druntime hook call instead of being expanded inline by the compiler.
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@ibuclaw ibuclaw Mar 30, 2026

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It was never expanded inline by the compiler. Previously it was forwarding to std.math in phobos.

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@xoxorwr xoxorwr Mar 30, 2026 •
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Another reason to enforce change log entries to be written with the PR by its author, I remembered wrong, I should have checked the diff properly.

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@dkorpel dkorpel Mar 30, 2026

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I was going to add one, but I'm still working on this but was away on Sunday so I didn't respond immediately. Thanks for adding one in the mean time though!

This change moves the implementation logic into the runtime library, allowing for easier maintenance and platform-specific optimizations without requiring compiler modifications.

```d
auto _d_pow(Base, Exp)(Base base, Exp exp);
auto _d_sqrt(T)(T x);
```
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