diff options
author | Heejin Ahn <aheejin@gmail.com> | 2018-08-22 00:20:02 +0000 |
---|---|---|
committer | Heejin Ahn <aheejin@gmail.com> | 2018-08-22 00:20:02 +0000 |
commit | c4df1d182c13c0665868e39aa7ee1e967368db40 (patch) | |
tree | 7aa17cf0ddcefa85c2d8ed5da0aaa0b3d027273b /llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h | |
parent | 1e8a2c963c804770bb58fbbd0103da2a86217c15 (diff) | |
download | bcm5719-llvm-c4df1d182c13c0665868e39aa7ee1e967368db40.tar.gz bcm5719-llvm-c4df1d182c13c0665868e39aa7ee1e967368db40.zip |
[WebAssembly] Change comments on SP writing back (NFC)
Summary: We now write back not to memory but to __stack_pointer global.
Reviewers: dschuff
Subscribers: sbc100, jgravelle-google, sunfish, llvm-commits
Differential Revision: https://reviews.llvm.org/D51074
llvm-svn: 340372
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h')
-rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h index e888aaf3aef..5e744ad498b 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h +++ b/llvm/lib/Target/WebAssembly/WebAssemblyFrameLowering.h @@ -24,7 +24,8 @@ class MachineFrameInfo; class WebAssemblyFrameLowering final : public TargetFrameLowering { public: /// Size of the red zone for the user stack (leaf functions can use this much - /// space below the stack pointer without writing it back to memory). + /// space below the stack pointer without writing it back to __stack_pointer + /// global). // TODO: (ABI) Revisit and decide how large it should be. static const size_t RedZoneSize = 128; |