[WebAssembly] Initial SIMD128 support.
Kicks off the implementation of wasm SIMD128 support (spec:
https://github.com/stoklund/portable-simd/blob/master/portable-simd.md),
adding support for add, sub, mul for i8x16, i16x8, i32x4, and f32x4.
The spec is WIP, and might change in the near future.
Patch by João Porto
Differential Revision: https://reviews.llvm.org/D22686
llvm-svn: 277543
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
index 3e29906..e403534 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrSIMD.td
@@ -12,5 +12,8 @@
///
//===----------------------------------------------------------------------===//
-// TODO: Implement SIMD instructions.
-// Note: use Requires<[HasSIMD128]>.
+let isCommutable = 1 in {
+defm ADD : SIMDBinary<add, fadd, "add ">;
+defm MUL: SIMDBinary<mul, fmul, "mul ">;
+} // isCommutable = 1
+defm SUB: SIMDBinary<sub, fsub, "sub ">;