# stage2: free up 2 ZIR tags · gitcafe/zig

[View on GitCafe](https://git.cafe/gitcafe/zig/commit/85e32043440f3f555419af2a5964618df79cfdce)

Repository: [gitcafe/zig](https://git.cafe/gitcafe/zig)

Visibility: public

Requested revision: 85e32043440f3f555419af2a5964618df79cfdce

Requested commit: 85e32043440f3f555419af2a5964618df79cfdce

Commit: 85e32043440f3f555419af2a5964618df79cfdce

Tree: 07261572d548eb2ba7afc03fb5bc7e2a9037259c

Author: Andrew Kelley

Committer: Andrew Kelley

## Message

```
stage2: free up 2 ZIR tags

cmpxchg_weak and cmpxchg_strong are not very common; demote them to
extended operations to make some headroom.

This commit does not change any behavior, only memory layout of the
compiler.

```

## Parents

- [902f6db67b2d25f238fb13e458a12e06df62dadb](https://git.cafe/gitcafe/zig/commit/902f6db67b2d25f238fb13e458a12e06df62dadb?format=markdown)

[Source at this commit](https://git.cafe/gitcafe/zig/tree/85e32043440f3f555419af2a5964618df79cfdce?format=markdown)