[X86] Add costs for non-AVX512 single-source permutation integer shuffles
Differential Revision: https://reviews.llvm.org/D29416
llvm-svn: 293932
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
index 3ebfdd0..7629e0c 100644
--- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -819,7 +819,14 @@
{ TTI::SK_Reverse, MVT::v32i8, 2 }, // vperm2i128 + pshufb
{ TTI::SK_Alternate, MVT::v16i16, 1 }, // vpblendw
- { TTI::SK_Alternate, MVT::v32i8, 1 } // vpblendvb
+ { TTI::SK_Alternate, MVT::v32i8, 1 }, // vpblendvb
+
+ { TTI::SK_PermuteSingleSrc, MVT::v4i64, 1 }, // vpermq
+ { TTI::SK_PermuteSingleSrc, MVT::v8i32, 1 }, // vpermd
+ { TTI::SK_PermuteSingleSrc, MVT::v16i16, 4 }, // vperm2i128 + 2 * vpshufb
+ // + vpblendvb
+ { TTI::SK_PermuteSingleSrc, MVT::v32i8, 4 } // vperm2i128 + 2 * vpshufb
+ // + vpblendvb
};
if (ST->hasAVX2())
@@ -876,7 +883,10 @@
{ TTI::SK_Reverse, MVT::v16i8, 1 }, // pshufb
{ TTI::SK_Alternate, MVT::v8i16, 3 }, // pshufb + pshufb + por
- { TTI::SK_Alternate, MVT::v16i8, 3 } // pshufb + pshufb + por
+ { TTI::SK_Alternate, MVT::v16i8, 3 }, // pshufb + pshufb + por
+
+ { TTI::SK_PermuteSingleSrc, MVT::v8i16, 1 }, // pshufb
+ { TTI::SK_PermuteSingleSrc, MVT::v16i8, 1 } // pshufb
};
if (ST->hasSSSE3())
@@ -901,7 +911,10 @@
{ TTI::SK_Alternate, MVT::v2f64, 1 }, // movsd
{ TTI::SK_Alternate, MVT::v4i32, 2 }, // 2*shufps
{ TTI::SK_Alternate, MVT::v8i16, 3 }, // pand + pandn + por
- { TTI::SK_Alternate, MVT::v16i8, 3 } // pand + pandn + por
+ { TTI::SK_Alternate, MVT::v16i8, 3 }, // pand + pandn + por
+
+ { TTI::SK_PermuteSingleSrc, MVT::v2i64, 1 }, // pshufd
+ { TTI::SK_PermuteSingleSrc, MVT::v4i32, 1 } // pshufd
};
if (ST->hasSSE2())