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[mlir][dxsa] Add gather4 variants #203

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[mlir][dxsa] Add gather4 variants #203

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6e87580
[mlir][dxsa] Add sample instruction
asavonic Jun 15, 2026
0a8f477
[mlir][dxsa] Add gather4 variants
asavonic Jun 25, 2026
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1 change: 1 addition & 0 deletions mlir/include/mlir/Dialect/DXSA/IR/DXSAOps.td
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
include "mlir/Dialect/DXSA/IR/DXSAOpBase.td"
include "mlir/Dialect/DXSA/IR/DXSATypes.td"
include "mlir/Dialect/DXSA/IR/DXSAFPArithOps.td"
include "mlir/Dialect/DXSA/IR/DXSAResourceOps.td"
include "mlir/IR/AttrTypeBase.td"
include "mlir/IR/BuiltinAttributeInterfaces.td"
include "mlir/IR/EnumAttr.td"
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467 changes: 467 additions & 0 deletions mlir/include/mlir/Dialect/DXSA/IR/DXSAResourceOps.td
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14 changes: 14 additions & 0 deletions mlir/lib/Dialect/DXSA/IR/DXSAOperand.cpp
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Expand Up @@ -991,3 +991,17 @@ void SrcOperandAttr::print(AsmPrinter &printer) const {
printNegAndAbsModifier(printer, getModifier(),
[&] { printSrcOperandBody(printer, *this); });
}

LogicalResult
SampleOffsetAttr::verify(function_ref<InFlightDiagnostic()> emitError,
int32_t u, int32_t v, int32_t w) {
int32_t values[] = {u, v, w};
for (int32_t value : values) {
if (value < -8 || value > 7) {
return emitError()
<< "sample offsets must be 4 bit 2's complement numbers, "
"having integer range [-8,7]";
}
}
return success();
}
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