The Curious Engineer

All blogs / Compilers

Krister Walfridsson’s blog

kristerw.github.io

Compilers, programming languages, etc.

CompilersCPerformance / optimization

’21’22’23’24’25’26
Posts
11 from 19 Oct 2021 to 10 Apr 2026
Posting
now and then (1 in the last year)
Kind
personal blog
Feed
https://kristerw.github.io/feed.xml

2026 1

  1. Part 6: Uninitialized memory

2023 3

  1. Part 5: Pointer alignment
  2. Part 4: Address calculations
  3. Part 3: Memory representation

2022 4

  1. Part 2: Verifying GCC optimizations using an SMT solver
  2. Part 1: Writing a GCC plugin in Python
  3. GCC Translation Validation
  4. Branch/cmove and compiler optimizations

2021 3

  1. -ffp-contract=fast
  2. Strange behavior with NaN and -ffast-math
  3. Optimizations enabled by -ffast-math