For a compiler which ostensibly has a register allocator that is wild. Why are x13 and x14 involved at all? Why is it moving the return into x13 at the end?
06.02.2026 08:02 — 👍 0 🔁 0 💬 0 📌 0For a compiler which ostensibly has a register allocator that is wild. Why are x13 and x14 involved at all? Why is it moving the return into x13 at the end?
06.02.2026 08:02 — 👍 0 🔁 0 💬 0 📌 0
Claude’s C compiler is impressive in many ways, but the inefficiency of its codegen may be a little understated. For:
unsigned long foo(unsigned long a, unsigned long b) { return a + b; }
It generates the following arm64:
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19.07.2023 14:19 — 👍 1590 🔁 313 💬 21 📌 14
My younger brother is trans. My parents have been horrendous about deadnaming and misgendering him. At Thanksgiving, I used an air horn to correct them. I fixed a 2-3 year long problem in two seconds. 10/10 would recommend this training method.
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23.11.2023 13:04 — 👍 5648 🔁 1475 💬 45 📌 55