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[WebAssembly][WIP] Expand operations not supported by SIMD 

llvm-svn: 355247
This commit is contained in:
Thomas Lively 2019-03-02 00:18:07 +00:00
parent ba4538708a
commit f5a8c28e7e
1 changed files with 17 additions and 0 deletions
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17
llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
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@ -174,6 +174,23 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering(
setOperationAction(Op, T, Expand);
}
// Expand integer operations supported for scalars but not SIMD
for (auto Op : {ISD::CTLZ, ISD::CTTZ, ISD::CTPOP, ISD::SDIV, ISD::UDIV,
ISD::SREM, ISD::UREM, ISD::ROTL, ISD::ROTR}) {
for (auto T : {MVT::v16i8, MVT::v8i16, MVT::v4i32})
setOperationAction(Op, T, Expand);
if (Subtarget->hasUnimplementedSIMD128())
setOperationAction(Op, MVT::v2i64, Expand);
}
// Expand float operations supported for scalars but not SIMD
for (auto Op : {ISD::FCEIL, ISD::FFLOOR, ISD::FTRUNC, ISD::FNEARBYINT,
ISD::FCOPYSIGN}) {
setOperationAction(Op, MVT::v4f32, Expand);
if (Subtarget->hasUnimplementedSIMD128())
setOperationAction(Op, MVT::v2f32, Expand);
}
// Expand additional SIMD ops that V8 hasn't implemented yet
if (!Subtarget->hasUnimplementedSIMD128()) {
setOperationAction(ISD::FSQRT, MVT::v4f32, Expand);