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| -rw-r--r-- | changelog.md | 2 | ||||
| -rw-r--r-- | doc/manual.rst | 19 |
2 files changed, 2 insertions, 19 deletions
diff --git a/changelog.md b/changelog.md index 3f3a2f9b2..9ab6ebfda 100644 --- a/changelog.md +++ b/changelog.md @@ -176,6 +176,8 @@ proc mydiv(a, b): int {.raises: [].} = with `--panics:on` `Defects` become unrecoverable errors. - Added `thiscall` calling convention as specified by Microsoft, mostly for hooking purpose +- Deprecated `{.unroll.}` pragma, was ignored by the compiler anyways, was a nop. + ## Compiler changes diff --git a/doc/manual.rst b/doc/manual.rst index 75cc507a4..a7bca7616 100644 --- a/doc/manual.rst +++ b/doc/manual.rst @@ -6210,25 +6210,6 @@ the underlying backend (C compiler) does not support the computed goto extension the pragma is simply ignored. -unroll pragma -------------- -The ``unroll`` pragma can be used to tell the compiler that it should unroll -a `for`:idx: or `while`:idx: loop for execution efficiency: - -.. code-block:: nim - proc searchChar(s: string, c: char): int = - for i in 0 .. s.high: - {.unroll: 4.} - if s[i] == c: return i - result = -1 - -In the above example, the search loop is unrolled by a factor 4. The unroll -factor can be left out too; the compiler then chooses an appropriate unroll -factor. - -**Note**: Currently the compiler recognizes but ignores this pragma. - - immediate pragma ---------------- |