[X86] Add costs for SSE zext/sext to v4i64 to TTI
The costs are somewhat hand-wavy, but should be much closer to the truth
than what we get from BasicTTI.
Differential Revision: http://reviews.llvm.org/D21156
llvm-svn: 272406
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 1baa49c..c86790a 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -709,6 +709,13 @@
};
static const TypeConversionCostTblEntry SSE41ConversionTbl[] = {
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 2 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i32, 2 },
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i16, 2 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i16, 2 },
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i8, 2 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i8, 2 },
+
{ ISD::ZERO_EXTEND, MVT::v16i32, MVT::v16i16, 4 },
{ ISD::SIGN_EXTEND, MVT::v16i32, MVT::v16i16, 4 },
{ ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i16, 2 },
@@ -759,6 +766,13 @@
{ ISD::SINT_TO_FP, MVT::v4f32, MVT::v8i16, 15 },
{ ISD::SINT_TO_FP, MVT::v4f32, MVT::v16i8, 8 },
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 3 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i32, 5 },
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i16, 3 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i16, 10 },
+ { ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i8, 4 },
+ { ISD::SIGN_EXTEND, MVT::v4i64, MVT::v4i8, 8 },
+
{ ISD::ZERO_EXTEND, MVT::v16i32, MVT::v16i16, 6 },
{ ISD::SIGN_EXTEND, MVT::v16i32, MVT::v16i16, 8 },
{ ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i16, 3 },