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authorBenjamin Kramer <benny.kra@googlemail.com>2013-04-01 10:23:49 +0000
committerBenjamin Kramer <benny.kra@googlemail.com>2013-04-01 10:23:49 +0000
commit13497b3aa7589fc4f9e924f850a7e5151e9ddd2f (patch)
treeb1bab1d7d8b1b55e5e1e0bb59ef37875447bab28 /lib/Target/X86
parentef7964c1b78f57e277e74bda4f38e1143d1363fe (diff)
X86TTI: Add accurate costs for itofp operations, based on the actual instruction counts.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178459 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86')
-rw-r--r--lib/Target/X86/X86TargetTransformInfo.cpp31
1 files changed, 27 insertions, 4 deletions
diff --git a/lib/Target/X86/X86TargetTransformInfo.cpp b/lib/Target/X86/X86TargetTransformInfo.cpp
index 3e3b86edbb..2336035bea 100644
--- a/lib/Target/X86/X86TargetTransformInfo.cpp
+++ b/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -271,10 +271,33 @@ unsigned X86TTI::getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src) const {
{ ISD::ZERO_EXTEND, MVT::v4i64, MVT::v4i32, 1 },
{ ISD::TRUNCATE, MVT::v4i32, MVT::v4i64, 1 },
{ ISD::TRUNCATE, MVT::v8i16, MVT::v8i32, 1 },
- { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i8, 1 },
- { ISD::SINT_TO_FP, MVT::v4f32, MVT::v4i8, 1 },
- { ISD::UINT_TO_FP, MVT::v8f32, MVT::v8i8, 1 },
- { ISD::UINT_TO_FP, MVT::v4f32, MVT::v4i8, 1 },
+
+ { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i1, 8 },
+ { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i8, 8 },
+ { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i16, 5 },
+ { ISD::SINT_TO_FP, MVT::v8f32, MVT::v8i32, 1 },
+ { ISD::SINT_TO_FP, MVT::v4f32, MVT::v4i1, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f32, MVT::v4i8, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f32, MVT::v4i16, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f32, MVT::v4i32, 1 },
+ { ISD::SINT_TO_FP, MVT::v4f64, MVT::v4i1, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f64, MVT::v4i8, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f64, MVT::v4i16, 3 },
+ { ISD::SINT_TO_FP, MVT::v4f64, MVT::v4i32, 1 },
+
+ { ISD::UINT_TO_FP, MVT::v8f32, MVT::v8i1, 6 },
+ { ISD::UINT_TO_FP, MVT::v8f32, MVT::v8i8, 5 },
+ { ISD::UINT_TO_FP, MVT::v8f32, MVT::v8i16, 5 },
+ { ISD::UINT_TO_FP, MVT::v8f32, MVT::v8i32, 9 },
+ { ISD::UINT_TO_FP, MVT::v4f32, MVT::v4i1, 7 },
+ { ISD::UINT_TO_FP, MVT::v4f32, MVT::v4i8, 2 },
+ { ISD::UINT_TO_FP, MVT::v4f32, MVT::v4i16, 2 },
+ { ISD::UINT_TO_FP, MVT::v4f32, MVT::v4i32, 6 },
+ { ISD::UINT_TO_FP, MVT::v4f64, MVT::v4i1, 7 },
+ { ISD::UINT_TO_FP, MVT::v4f64, MVT::v4i8, 2 },
+ { ISD::UINT_TO_FP, MVT::v4f64, MVT::v4i16, 2 },
+ { ISD::UINT_TO_FP, MVT::v4f64, MVT::v4i32, 6 },
+
{ ISD::FP_TO_SINT, MVT::v8i8, MVT::v8f32, 1 },
{ ISD::FP_TO_SINT, MVT::v4i8, MVT::v4f32, 1 },
{ ISD::ZERO_EXTEND, MVT::v8i32, MVT::v8i1, 6 },