diff options
| author | Ralf Jung <post@ralfj.de> | 2024-10-14 17:04:43 +0200 |
|---|---|---|
| committer | Ralf Jung <post@ralfj.de> | 2024-10-14 17:04:43 +0200 |
| commit | 9d579f5358d6722fa20cbf243e201defbd5d84b3 (patch) | |
| tree | 456828aefcdd5ca1414414fdb876f8c528d82dff /compiler/rustc_data_structures/src/stack.rs | |
| parent | 5e6170b97f81b83041666170ceeadefe04d00fb4 (diff) | |
| parent | 17a19e684cdf3ca088af8b4da6a6209d128913f4 (diff) | |
| download | rust-9d579f5358d6722fa20cbf243e201defbd5d84b3.tar.gz rust-9d579f5358d6722fa20cbf243e201defbd5d84b3.zip | |
Merge from rustc
Diffstat (limited to 'compiler/rustc_data_structures/src/stack.rs')
| -rw-r--r-- | compiler/rustc_data_structures/src/stack.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_data_structures/src/stack.rs b/compiler/rustc_data_structures/src/stack.rs index 7ff1339c5ab..3d6d0003483 100644 --- a/compiler/rustc_data_structures/src/stack.rs +++ b/compiler/rustc_data_structures/src/stack.rs @@ -5,7 +5,11 @@ const RED_ZONE: usize = 100 * 1024; // 100k // Only the first stack that is pushed, grows exponentially (2^n * STACK_PER_RECURSION) from then // on. This flag has performance relevant characteristics. Don't set it too high. +#[cfg(not(target_os = "aix"))] const STACK_PER_RECURSION: usize = 1024 * 1024; // 1MB +// LLVM for AIX doesn't feature TCO, increase recursion size for workaround. +#[cfg(target_os = "aix")] +const STACK_PER_RECURSION: usize = 16 * 1024 * 1024; // 16MB /// Grows the stack on demand to prevent stack overflow. Call this in strategic locations /// to "break up" recursive calls. E.g. almost any call to `visit_expr` or equivalent can benefit |