================
@@ -701,7 +766,31 @@ mlir::Value CIRGenFunction::emitX86BuiltinExpr(unsigned
builtinID,
case X86::BI__builtin_ia32_extractf64x2_256_mask:
case X86::BI__builtin_ia32_extracti64x2_256_mask:
case X86::BI__builtin_ia32_extractf64x2_512_mask:
- case X86::BI__builtin_ia32_extracti64x2_512_mask:
+ case X86::BI__builtin_ia32_extracti64x2_512_mask: {
+ mlir::Location loc = getLoc(expr->getExprLoc());
+ cir::VectorType dstTy =
cast<cir::VectorType>(convertType(expr->getType()));
+ unsigned numElts = dstTy.getSize();
+ unsigned srcNumElts = cast<cir::VectorType>(ops[0].getType()).getSize();
+ unsigned subVectors = srcNumElts / numElts;
+ unsigned index =
+ ops[1].getDefiningOp<cir::ConstantOp>().getIntValue().getZExtValue();
+
+ index &= subVectors - 1; // Remove any extra bits.
+ index *= numElts;
+
+ int64_t indices[16];
+ for (unsigned i = 0; i != numElts; ++i)
+ indices[i] = i + index;
----------------
xlauko wrote:
std::iota(indices, indices + numElts, index);
```suggestion
int64_t indices[16];
std::iota(indices, indices + numElts, index);
```
https://github.com/llvm/llvm-project/pull/170427
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