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| author | Pirama Arumuga Nainar <pirama@google.com> | 2018-08-01 17:55:34 +0000 |
|---|---|---|
| committer | Pirama Arumuga Nainar <pirama@google.com> | 2018-08-01 17:55:34 +0000 |
| commit | b818347aa08d34aca5902c3a0a00ea8a25caab7c (patch) | |
| tree | 1a8671aeeb8fc383317aeead6e394bc38edd1394 /clang/lib/Basic/TargetInfo.cpp | |
| parent | 6bd4f924e738d3fc925d9d0f624f116a1ba5b210 (diff) | |
| download | bcm5719-llvm-b818347aa08d34aca5902c3a0a00ea8a25caab7c.tar.gz bcm5719-llvm-b818347aa08d34aca5902c3a0a00ea8a25caab7c.zip | |
[Android] Increase default new alignment for Android
Summary:
Android's memory allocators also guarantee 8-byte alignment for 32-bit
architectures and 16-byte alignment for 64-bit.
Reviewers: rsmith
Subscribers: cfe-commits, srhines, enh
Differential Revision: https://reviews.llvm.org/D50112
llvm-svn: 338603
Diffstat (limited to 'clang/lib/Basic/TargetInfo.cpp')
| -rw-r--r-- | clang/lib/Basic/TargetInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/clang/lib/Basic/TargetInfo.cpp b/clang/lib/Basic/TargetInfo.cpp index 3400c8721f7..7b69cb097c8 100644 --- a/clang/lib/Basic/TargetInfo.cpp +++ b/clang/lib/Basic/TargetInfo.cpp @@ -63,8 +63,9 @@ TargetInfo::TargetInfo(const llvm::Triple &T) : TargetOpts(), Triple(T) { MinGlobalAlign = 0; // From the glibc documentation, on GNU systems, malloc guarantees 16-byte // alignment on 64-bit systems and 8-byte alignment on 32-bit systems. See - // https://www.gnu.org/software/libc/manual/html_node/Malloc-Examples.html - if (T.isGNUEnvironment() || T.isWindowsMSVCEnvironment()) + // https://www.gnu.org/software/libc/manual/html_node/Malloc-Examples.html. + // This alignment guarantee also applies to Windows and Android. + if (T.isGNUEnvironment() || T.isWindowsMSVCEnvironment() || T.isAndroid()) NewAlign = Triple.isArch64Bit() ? 128 : Triple.isArch32Bit() ? 64 : 0; else NewAlign = 0; // Infer from basic type alignment. |
