mei-ye commented on code in PR #14817:
URL: https://github.com/apache/tvm/pull/14817#discussion_r1199561708
##########
src/target/spirv/codegen_spirv.cc:
##########
@@ -394,6 +395,120 @@ spirv::Value CodeGenSPIRV::VisitExpr_(const CallNode* op)
{
LOG(FATAL) << "SPIR-V shader cannot make extern calls. Graph contains
extern \""
<< Downcast<StringImm>(op->args[0]) << "\"";
return spirv::Value();
+ } else if (op->op.same_as(builtin::tvm_fill_fragment())) {
+ ICHECK_EQ(op->args.size(), 6U);
+ const VarNode* buffer_node = op->args[0].as<VarNode>();
+ ICHECK(buffer_node && fragment_info_.count(buffer_node));
+ DataType ele_dtype = GetElementDataType(buffer_node);
+ ICHECK(ele_dtype.is_float()) << "Only floating point fragment accumulator
is supported";
+ spirv::SType ele_stype = builder_->GetSType(ele_dtype);
+ spirv::SType& fragment_type = fragment_info_[buffer_node].stype;
+ double init =
static_cast<uint64_t>(Downcast<FloatImm>(op->args[5])->value);
Review Comment:
I can't recall a good reason. Removing this cast works fine. Should I
reset and re-patch?
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