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| author | Thomas Lively <tlively@google.com> | 2019-02-05 00:49:55 +0000 |
|---|---|---|
| committer | Thomas Lively <tlively@google.com> | 2019-02-05 00:49:55 +0000 |
| commit | d99af23765a99ef2461d06b74448d6e54dd7e573 (patch) | |
| tree | 26fb976effaad88da2b766088d6b32ee0bb10686 /llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | |
| parent | 1a17032b788016299ea4e3c4b53670c6dcd94b4f (diff) | |
| download | bcm5719-llvm-d99af23765a99ef2461d06b74448d6e54dd7e573.tar.gz bcm5719-llvm-d99af23765a99ef2461d06b74448d6e54dd7e573.zip | |
[WebAssembly] memory.copy
Summary: Depends on D57495.
Reviewers: aheejin, dschuff
Subscribers: sbc100, jgravelle-google, hiraditya, sunfish
Differential Revision: https://reviews.llvm.org/D57498
llvm-svn: 353127
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp index d0543925a83..b17c7fae043 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp @@ -243,6 +243,12 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering( setOperationAction(ISD::INTRINSIC_VOID, MVT::Other, Custom); setMaxAtomicSizeInBitsSupported(64); + + if (Subtarget->hasBulkMemory()) { + // Using memory.copy is always better than using multiple loads and stores + MaxStoresPerMemcpy = 1; + MaxStoresPerMemcpyOptSize = 1; + } } TargetLowering::AtomicExpansionKind |
