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Optimize some stdlib calls

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Karol Stasiak
2018-12-21 22:33:27 +01:00
parent 673727b973
commit e43fb39781
9 changed files with 107 additions and 7 deletions
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docs/api/command-line.md
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@@ -148,6 +148,11 @@ See the [documentation about inlining](../abi/inlining.md). Computationally easy
It enables certain optimization similar to what inlining would enable, but without actual inlining.
`.ini` equivalent: `ipo`.
* `-foptimize-stdlib`, `-fno-optimize-stdlib` –
Whether should replace some standard library calls with constant parameters with more efficient variants.
Currently affects `putstrz` and `strzlen`, but may affect more functions in the future.
`.ini` equivalent: `optimize_stdlib`.
* `-Os`, `--size` – Optimize for size, sacrificing some speed (experimental).
* `-Of`, `--fast` – Optimize for speed, even if it increases the size a bit (experimental).