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| | | | | benediktmeurer.de | |
| | | | | Personal website of Benedikt Meurer, JavaScript Engine Hacker and Programming Language Enthusiast. | |
| | | | | coredumped.dev | |
| | | | | In this post, we are going to take a deep dive into pointer tagging, where metadata is encoded into a word-sized pointer. Doing so allows us to keep a compact representation that can be passed around in machine registers. This is very common in implementing dynamic programming languages, but can really be used anywhere that additional runtime information is needed about a pointer. We will look at a handful of different ways these pointers can be encoded and see how the compiler can optimize them for diff... | |
| | | | | www.bitsnbites.eu | |
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| | | | | 2ality.com | |
| | | This blog post shows how you can conditionally add elements inside Array literals and properties inside object literals. | ||