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| author | Ben Gamari <ben@smart-cactus.org> | 2022-06-22 13:27:35 -0400 |
|---|---|---|
| committer | Matthew Pickering <matthewtpickering@gmail.com> | 2022-07-05 11:13:09 +0100 |
| commit | 32ce86fe10614c4fa93d39199b52848e97c6c40f (patch) | |
| tree | 8d577b4f17c5e1e68cea4dff1806c28081cd5ad5 | |
| parent | b2a1f15153182c206c3358c944a58596ec223e63 (diff) | |
| download | haskell-32ce86fe10614c4fa93d39199b52848e97c6c40f.tar.gz | |
Mark AArch64/Darwin as requiring sign-extension
Apple's AArch64 ABI requires that the caller sign-extend small integer
arguments. Set platformCConvNeedsExtension to reflect this fact.
Fixes #21773.
(cherry picked from commit 57a5f88cf70ec6dd65ff4a2df0c11805ec1db018)
| -rw-r--r-- | compiler/GHC/Platform.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/GHC/Platform.hs b/compiler/GHC/Platform.hs index 831418dd61..39294c9a9a 100644 --- a/compiler/GHC/Platform.hs +++ b/compiler/GHC/Platform.hs @@ -262,6 +262,11 @@ platformCConvNeedsExtension platform = case platformArch platform of ArchPPC_64 _ -> True ArchS390X -> True ArchRISCV64 -> True + ArchAArch64 + -- Apple's AArch64 ABI requires that the caller sign-extend + -- small integer arguments. See + -- https://developer.apple.com/documentation/xcode/writing-arm64-code-for-apple-platforms + | OSDarwin <- platformOS platform -> True _ -> False |