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#compiler
1 articles
01
2026-08-26
·
Compilers & Runtimes
·
FREE
·
11 min read
Compilers From Scratch — How Source Becomes Machine Code
One line of source code, followed all the way down through lexing, parsing, semantic analysis, intermediate representation, optimization, and code generation, until it comes out as a single machine instruction. Along the way: why bugs surface at -O2, and why your benchmark loop disappears.