[PATCH] D110592: [X86][Costmodel] Load/store i16 Stride=6 VF=8 interleaving costs
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 28 09:16:20 PDT 2021
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG24e42f7d28e9: [X86][Costmodel] Load/store i16 Stride=6 VF=8 interleaving costs (authored by lebedev.ri).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D110592/new/
https://reviews.llvm.org/D110592
Files:
llvm/lib/Target/X86/X86TargetTransformInfo.cpp
llvm/test/Analysis/CostModel/X86/interleaved-load-i16-stride-6.ll
llvm/test/Analysis/CostModel/X86/interleaved-store-i16-stride-6.ll
Index: llvm/test/Analysis/CostModel/X86/interleaved-store-i16-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-store-i16-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-store-i16-stride-6.ll
@@ -11,7 +11,7 @@
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: store i16 %v5, i16* %out5, align 2
; CHECK: LV: Found an estimated cost of 13 for VF 2 For instruction: store i16 %v5, i16* %out5, align 2
; CHECK: LV: Found an estimated cost of 17 for VF 4 For instruction: store i16 %v5, i16* %out5, align 2
-; CHECK: LV: Found an estimated cost of 147 for VF 8 For instruction: store i16 %v5, i16* %out5, align 2
+; CHECK: LV: Found an estimated cost of 24 for VF 8 For instruction: store i16 %v5, i16* %out5, align 2
; CHECK: LV: Found an estimated cost of 342 for VF 16 For instruction: store i16 %v5, i16* %out5, align 2
; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: store i16 %v5, i16* %out5, align 2
Index: llvm/test/Analysis/CostModel/X86/interleaved-load-i16-stride-6.ll
===================================================================
--- llvm/test/Analysis/CostModel/X86/interleaved-load-i16-stride-6.ll
+++ llvm/test/Analysis/CostModel/X86/interleaved-load-i16-stride-6.ll
@@ -11,7 +11,7 @@
; CHECK: LV: Found an estimated cost of 1 for VF 1 For instruction: %v0 = load i16, i16* %in0, align 2
; CHECK: LV: Found an estimated cost of 16 for VF 2 For instruction: %v0 = load i16, i16* %in0, align 2
; CHECK: LV: Found an estimated cost of 11 for VF 4 For instruction: %v0 = load i16, i16* %in0, align 2
-; CHECK: LV: Found an estimated cost of 123 for VF 8 For instruction: %v0 = load i16, i16* %in0, align 2
+; CHECK: LV: Found an estimated cost of 42 for VF 8 For instruction: %v0 = load i16, i16* %in0, align 2
; CHECK: LV: Found an estimated cost of 342 for VF 16 For instruction: %v0 = load i16, i16* %in0, align 2
; CHECK-NOT: LV: Found an estimated cost of {{[0-9]+}} for VF {{[0-9]+}} For instruction: %v0 = load i16, i16* %in0, align 2
Index: llvm/lib/Target/X86/X86TargetTransformInfo.cpp
===================================================================
--- llvm/lib/Target/X86/X86TargetTransformInfo.cpp
+++ llvm/lib/Target/X86/X86TargetTransformInfo.cpp
@@ -5093,6 +5093,7 @@
{6, MVT::v2i16, 13}, // (load 12i16 and) deinterleave into 6 x 2i16
{6, MVT::v4i16, 9}, // (load 24i16 and) deinterleave into 6 x 4i16
+ {6, MVT::v8i16, 39}, // (load 48i16 and) deinterleave into 6 x 8i16
{8, MVT::v8i32, 40} // (load 64i32 and) deinterleave into 8 x 8i32
};
@@ -5126,6 +5127,7 @@
{6, MVT::v2i16, 10}, // interleave 6 x 2i16 into 12i16 (and store)
{6, MVT::v4i16, 15}, // interleave 6 x 4i16 into 24i16 (and store)
+ {6, MVT::v8i16, 21}, // interleave 6 x 8i16 into 48i16 (and store)
};
if (Opcode == Instruction::Load) {
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