================
@@ -782,6 +782,16 @@ def FMad : DXILOp<46, tertiary> {
let attributes = [Attributes<DXIL1_0, [ReadNone]>];
}
+def Fma : DXILOp<47, tertiary> {
+ let Doc = "Double-precision fused multiply-add. fma(a,b,c) = a * b + c.";
+ let intrinsics = [IntrinSelect<int_fma>];
----------------
farzonl wrote:
See llvm/test/CodeGen/DirectX/imad.ll you will want to make sure that scalar
and vector intrinsic signatures both work. ie llvm ir `@llvm.fma.f64` converts
to `f64 @dx.op.tertiary.f64(i32 47,...)`
https://github.com/llvm/llvm-project/pull/185304
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