[PATCH] D111092: [X86][Costmodel] Load/store i64/f64 Stride=6 VF=2 interleaving costs

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 5 07:00:49 PDT 2021


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG3960693048a0: [X86][Costmodel] Load/store i64/f64 Stride=6 VF=2 interleaving costs (authored by lebedev.ri).

Changed prior to commit:
  https://reviews.llvm.org/D111092?vs=376998&id=377218#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111092/new/

https://reviews.llvm.org/D111092

Files:
  llvm/lib/Target/X86/X86TargetTransformInfo.cpp
  llvm/test/Analysis/CostModel/X86/interleaved-load-f64-stride-6.ll
  llvm/test/Analysis/CostModel/X86/interleaved-load-i64-stride-6.ll
  llvm/test/Analysis/CostModel/X86/interleaved-store-f64-stride-6.ll
  llvm/test/Analysis/CostModel/X86/interleaved-store-i64-stride-6.ll


Index: llvm/test/Analysis/CostModel/X86/interleaved-store-i64-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-store-i64-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-store-i64-stride-6.ll
@@ -22,7 +22,7 @@
 ; AVX1: LV: Found an estimated cost of 156 for VF 8 For instruction:   store i64 %v5, i64* %out5, align 8
 ;
 ; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction:   store i64 %v5, i64* %out5, align 8
-; AVX2: LV: Found an estimated cost of 33 for VF 2 For instruction:   store i64 %v5, i64* %out5, align 8
+; AVX2: LV: Found an estimated cost of 11 for VF 2 For instruction:   store i64 %v5, i64* %out5, align 8
 ; AVX2: LV: Found an estimated cost of 78 for VF 4 For instruction:   store i64 %v5, i64* %out5, align 8
 ; AVX2: LV: Found an estimated cost of 156 for VF 8 For instruction:   store i64 %v5, i64* %out5, align 8
 ;
Index: llvm/test/Analysis/CostModel/X86/interleaved-store-f64-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-store-f64-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-store-f64-stride-6.ll
@@ -22,7 +22,7 @@
 ; AVX1: LV: Found an estimated cost of 108 for VF 8 For instruction:   store double %v5, double* %out5, align 8
 ;
 ; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction:   store double %v5, double* %out5, align 8
-; AVX2: LV: Found an estimated cost of 21 for VF 2 For instruction:   store double %v5, double* %out5, align 8
+; AVX2: LV: Found an estimated cost of 11 for VF 2 For instruction:   store double %v5, double* %out5, align 8
 ; AVX2: LV: Found an estimated cost of 54 for VF 4 For instruction:   store double %v5, double* %out5, align 8
 ; AVX2: LV: Found an estimated cost of 108 for VF 8 For instruction:   store double %v5, double* %out5, align 8
 ;
Index: llvm/test/Analysis/CostModel/X86/interleaved-load-i64-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-load-i64-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-load-i64-stride-6.ll
@@ -22,7 +22,7 @@
 ; AVX1: LV: Found an estimated cost of 156 for VF 8 For instruction:   %v0 = load i64, i64* %in0, align 8
 ;
 ; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction:   %v0 = load i64, i64* %in0, align 8
-; AVX2: LV: Found an estimated cost of 33 for VF 2 For instruction:   %v0 = load i64, i64* %in0, align 8
+; AVX2: LV: Found an estimated cost of 9 for VF 2 For instruction:   %v0 = load i64, i64* %in0, align 8
 ; AVX2: LV: Found an estimated cost of 78 for VF 4 For instruction:   %v0 = load i64, i64* %in0, align 8
 ; AVX2: LV: Found an estimated cost of 156 for VF 8 For instruction:   %v0 = load i64, i64* %in0, align 8
 ;
Index: llvm/test/Analysis/CostModel/X86/interleaved-load-f64-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-load-f64-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-load-f64-stride-6.ll
@@ -22,7 +22,7 @@
 ; AVX1: LV: Found an estimated cost of 96 for VF 8 For instruction:   %v0 = load double, double* %in0, align 8
 ;
 ; AVX2: LV: Found an estimated cost of 1 for VF 1 For instruction:   %v0 = load double, double* %in0, align 8
-; AVX2: LV: Found an estimated cost of 21 for VF 2 For instruction:   %v0 = load double, double* %in0, align 8
+; AVX2: LV: Found an estimated cost of 9 for VF 2 For instruction:   %v0 = load double, double* %in0, align 8
 ; AVX2: LV: Found an estimated cost of 48 for VF 4 For instruction:   %v0 = load double, double* %in0, align 8
 ; AVX2: LV: Found an estimated cost of 96 for VF 8 For instruction:   %v0 = load double, double* %in0, align 8
 ;
Index: llvm/lib/Target/X86/X86TargetTransformInfo.cpp
===================================================================
--- llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -5153,6 +5153,8 @@
       {6, MVT::v8i32, 31}, // (load 48i32 and) deinterleave into 6 x 8i32
       {6, MVT::v16i32, 64}, // (load 96i32 and) deinterleave into 6 x 16i32
 
+      {6, MVT::v2i64, 6}, // (load 12i64 and) deinterleave into 6 x 2i64
+
       {8, MVT::v8i32, 40} // (load 64i32 and) deinterleave into 8 x 8i32
   };
 
@@ -5238,6 +5240,8 @@
       {6, MVT::v4i32, 12},  // interleave 6 x 4i32 into 24i32 (and store)
       {6, MVT::v8i32, 33},  // interleave 6 x 8i32 into 48i32 (and store)
       {6, MVT::v16i32, 66},  // interleave 6 x 16i32 into 96i32 (and store)
+
+      {6, MVT::v2i64, 8},  // interleave 6 x 2i64 into 12i64 (and store)
   };
 
   if (Opcode == Instruction::Load) {


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