Useful C++ flags (gcc and clang)

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Some flags that you might find useful for gcc and clang

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License ID: 4vNW6m5XnVK
  1. Nathan Baggs
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Комментарии
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For all that is holy please do NOT use `-ffast-math`.

It should really be called `-fwrong-math`, because it usually doesn't make anything faster and almost always causes wrong numerical results.

I personally know people who spent hours debugging their software only to realize the use of that flag enabled an "optimization" that just gave wrong results for some real world inputs.

(It is extra bad because adding a printf can cause the bug to disappear)

KyleMoffettKNUQ
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-Os for optimizing for size. Useful in niche applicatione

MechMK
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Keep grinding mate. Want to see you succeed. You're really great creator

flightman
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Today I learned compiler flags are a thing.

SameAsAnyOtherStranger
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-O3 can make code run slower and make biger binary as gentoo user i prefer -O2 with full lto clang

I-use-Archbtw
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Why bro sound like a medieval merchant tryna sell me some useful Compiler flags 🚩😭

Lovely video keep it up!

halladba
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-Wextra with -Wall and -Werror for error galore

LeaoMartelo
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Get, please create a tutorial on assembly language ❤

viddeshk
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i had to remove werror from my makefile it was making me go crazy 💀

thereborne