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| author | Henry Jiang <henry.jiang1@ibm.com> | 2024-10-01 16:06:24 -0400 |
|---|---|---|
| committer | Henry Jiang <henry.jiang1@ibm.com> | 2024-10-01 16:06:24 -0400 |
| commit | 9be9141730ce8f78d5ffa9f72541f2eca13ab1d1 (patch) | |
| tree | f9ed7047e6cefb93f36f734e354d4af1e96617a7 /compiler/rustc_data_structures/src/stack.rs | |
| parent | c817d5dc2050ec443516f9700c19b1419593a83d (diff) | |
| download | rust-9be9141730ce8f78d5ffa9f72541f2eca13ab1d1.tar.gz rust-9be9141730ce8f78d5ffa9f72541f2eca13ab1d1.zip | |
increase stack size for aix
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..72add175091 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 |