From aa8dffb69bccbe4e41469e0023b7508dd44945f8 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Sun, 14 May 2017 17:36:07 +0000 Subject: [X86][SSE] Account for cost of extract/insert of v32i8 vector shifts llvm-svn: 303012 --- llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'llvm/lib/Target/X86/X86TargetTransformInfo.cpp') diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index bfbd33e5b9d..ba6462a0768 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -251,9 +251,9 @@ int X86TTIImpl::getArithmeticInstrCost( { ISD::SRL, MVT::v16i8, 2 }, // psrlw + pand. { ISD::SRA, MVT::v16i8, 4 }, // psrlw, pand, pxor, psubb. - { ISD::SHL, MVT::v32i8, 4 }, // 2*(psllw + pand). - { ISD::SRL, MVT::v32i8, 4 }, // 2*(psrlw + pand). - { ISD::SRA, MVT::v32i8, 8 }, // 2*(psrlw, pand, pxor, psubb). + { ISD::SHL, MVT::v32i8, 4+2 }, // 2*(psllw + pand) + split. + { ISD::SRL, MVT::v32i8, 4+2 }, // 2*(psrlw + pand) + split. + { ISD::SRA, MVT::v32i8, 8+2 }, // 2*(psrlw, pand, pxor, psubb) + split. { ISD::SDIV, MVT::v16i16, 12 }, // pmulhw sequence { ISD::SDIV, MVT::v8i16, 6 }, // pmulhw sequence -- cgit v1.2.3