================
@@ -1366,6 +1383,67 @@ bool SPIRVInstructionSelector::selectRsqrt(Register
ResVReg,
.constrainAllUses(TII, TRI, RBI);
}
+// Since there is no integer dot implementation, expand by piecewise
multiplying
----------------
farzonl wrote:
actually I see a `OpSDot`, `OpUDot`, and `OpSUDot` (for mixes signedness) in
the [spec](https://registry.khronos.org/SPIR-V/specs/unified1/SPIRV.html).
Maybe we just don't use these in DXC's spirv generation. I'm fine with sticking
with what DXC does we should at least mark the comment accordingly.
https://github.com/llvm/llvm-project/pull/102872
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