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| author | Thomas Lively <7121787+tlively@users.noreply.github.com> | 2021-01-06 14:36:27 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-06 11:36:27 -0800 |
| commit | 3d414652d36aeb27896cc6666ef15db39f245786 (patch) | |
| tree | 695c7bc5a3c47dff0330b625f2e61cb040accc6d /src/wasm/wasm-stack.cpp | |
| parent | b79661ee03fc74b3f860bf04e6f1019f7b11c722 (diff) | |
| download | binaryen-3d414652d36aeb27896cc6666ef15db39f245786.tar.gz binaryen-3d414652d36aeb27896cc6666ef15db39f245786.tar.bz2 binaryen-3d414652d36aeb27896cc6666ef15db39f245786.zip | |
Prototype prefetch instructions (#3467)
As proposed in https://github.com/WebAssembly/simd/pull/352, using the opcodes
used in the LLVM and V8 implementations.
Diffstat (limited to 'src/wasm/wasm-stack.cpp')
| -rw-r--r-- | src/wasm/wasm-stack.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/wasm/wasm-stack.cpp b/src/wasm/wasm-stack.cpp index 776928b88..b31aaf4d4 100644 --- a/src/wasm/wasm-stack.cpp +++ b/src/wasm/wasm-stack.cpp @@ -694,6 +694,20 @@ void BinaryInstWriter::visitSIMDLoadStoreLane(SIMDLoadStoreLane* curr) { o << curr->index; } +void BinaryInstWriter::visitPrefetch(Prefetch* curr) { + o << int8_t(BinaryConsts::SIMDPrefix); + switch (curr->op) { + case PrefetchTemporal: + o << U32LEB(BinaryConsts::PrefetchT); + break; + case PrefetchNontemporal: + o << U32LEB(BinaryConsts::PrefetchNT); + break; + } + assert(curr->align); + emitMemoryAccess(curr->align, /*(unused) bytes=*/0, curr->offset); +} + void BinaryInstWriter::visitMemoryInit(MemoryInit* curr) { o << int8_t(BinaryConsts::MiscPrefix); o << U32LEB(BinaryConsts::MemoryInit); |