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[X86] Disable custom type legalization for v2i32/v4i16/v8i8->i64.

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The default legalization can take care of this.

llvm-svn: 368967
This commit is contained in:
Craig Topper 2019-08-15 05:51:58 +00:00
parent 6a8f399a91
commit a25223e2ad
1 changed files with 1 additions and 2 deletions
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3
lib/Target/X86/X86ISelLowering.cpp
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@ -26200,8 +26200,7 @@ static SDValue LowerBITCAST(SDValue Op, const X86Subtarget &Subtarget,
SrcVT == MVT::i64) && "Unexpected VT!"); SrcVT == MVT::i64) && "Unexpected VT!");
assert(Subtarget.hasSSE2() && "Requires at least SSE2!"); assert(Subtarget.hasSSE2() && "Requires at least SSE2!");
if (DstVT != MVT::i64 && if (!(DstVT == MVT::f64 && SrcVT == MVT::i64) &&
!(DstVT == MVT::f64 && SrcVT == MVT::i64) &&
!(DstVT == MVT::x86mmx && SrcVT.isVector())) !(DstVT == MVT::x86mmx && SrcVT.isVector()))
// This conversion needs to be expanded. // This conversion needs to be expanded.
return SDValue(); return SDValue();