diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
--- a/llvm/lib/Target/RISCV/RISCVFeatures.td
+++ b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -795,6 +795,10 @@
                       "false", "Hasn't optimized (perform fewer memory operations)"
                       "zero-stride vector load">;
 
+def TuneDLenFactor2
+   : SubtargetFeature<"dlen-factor-2", "DLenFactor2", "true",
+                      "Vector unit DLEN(data path width) is half of VLEN">;
+
 def TuneLUIADDIFusion
     : SubtargetFeature<"lui-addi-fusion", "HasLUIADDIFusion",
                        "true", "Enable LUI+ADDI macrofusion">;
@@ -814,7 +818,8 @@
 def TuneSiFive7 : SubtargetFeature<"sifive7", "RISCVProcFamily", "SiFive7",
                                    "SiFive 7-Series processors",
                                    [TuneNoDefaultUnroll,
-                                    TuneShortForwardBranchOpt]>;
+                                    TuneShortForwardBranchOpt,
+                                    TuneDLenFactor2]>;
 
 // Assume that lock-free native-width atomics are available, even if the target
 // and operating system combination would not usually provide them. The user
diff --git a/llvm/lib/Target/RISCV/RISCVSubtarget.h b/llvm/lib/Target/RISCV/RISCVSubtarget.h
--- a/llvm/lib/Target/RISCV/RISCVSubtarget.h
+++ b/llvm/lib/Target/RISCV/RISCVSubtarget.h
@@ -179,6 +179,12 @@
     return hasVInstructions() ? MaxInterleaveFactor : 1;
   }
 
+  unsigned getDLenFactor() const {
+    if (DLenFactor2)
+      return 2;
+    return 1;
+  }
+
 protected:
   // GlobalISel related APIs.
   std::unique_ptr<CallLowering> CallLoweringInfo;
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
--- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
+++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
@@ -39,15 +39,19 @@
   // implementation-defined.
   if (!VT.isVector())
     return InstructionCost::getInvalid();
+  unsigned DLenFactor = ST->getDLenFactor();
   unsigned Cost;
   if (VT.isScalableVector()) {
     unsigned LMul;
     bool Fractional;
     std::tie(LMul, Fractional) =
         RISCVVType::decodeVLMUL(RISCVTargetLowering::getLMUL(VT));
-    Cost = Fractional ? 1 : LMul;
+    if (Fractional)
+      Cost = LMul <= DLenFactor ? (DLenFactor / LMul) : 1;
+    else
+      Cost = (LMul * DLenFactor);
   } else {
-    Cost = divideCeil(VT.getSizeInBits(), ST->getRealMinVLen());
+    Cost = divideCeil(VT.getSizeInBits(), ST->getRealMinVLen() / DLenFactor);
   }
   return Cost;
 }
diff --git a/llvm/test/Analysis/CostModel/RISCV/arith-int.ll b/llvm/test/Analysis/CostModel/RISCV/arith-int.ll
--- a/llvm/test/Analysis/CostModel/RISCV/arith-int.ll
+++ b/llvm/test/Analysis/CostModel/RISCV/arith-int.ll
@@ -1,5 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
-; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+experimental-zvfh -riscv-v-vector-bits-min=128 -riscv-v-fixed-length-vector-lmul-max=1 < %s | FileCheck %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mattr=+v,+f,+d,+zfh,+experimental-zvfh -riscv-v-fixed-length-vector-lmul-max=1 < %s | FileCheck %s
+; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64 -mcpu=sifive-x280 -riscv-v-fixed-length-vector-lmul-max=1 < %s | FileCheck %s --check-prefix=SIFIVE-X280
 ; Check that we don't crash querying costs when vectors are not enabled.
 ; RUN: opt -passes="print<cost-model>" 2>&1 -disable-output -mtriple=riscv64
 
@@ -39,6 +40,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = add <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = add <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'add'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = add i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = add i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = add i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = add <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = add <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = add <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = add <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = add <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = add <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = add <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = add <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = add <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = add <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = add <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = add <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = add <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = add <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = add <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = add <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = add <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = add <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = add <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = add <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = add <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = add <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = add <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = add <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = add <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = add <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = add <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = add <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = add <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = add <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = add i16 undef, undef
   %I32 = add i32 undef, undef
@@ -119,6 +156,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = sub <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = sub <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'sub'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = sub i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = sub i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = sub i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = sub <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = sub <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = sub <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = sub <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = sub <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = sub <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = sub <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = sub <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = sub <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = sub <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = sub <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = sub <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = sub <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = sub <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = sub <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = sub <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = sub <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = sub <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = sub <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = sub <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = sub <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = sub <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = sub <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = sub <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = sub <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = sub <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = sub <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = sub <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = sub <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = sub <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = sub i16 undef, undef
   %I32 = sub i32 undef, undef
@@ -199,6 +272,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = mul <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = mul <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'mul'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = mul i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = mul i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = mul i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = mul <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = mul <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = mul <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = mul <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = mul <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = mul <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = mul <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = mul <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = mul <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = mul <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = mul <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = mul <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = mul <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = mul <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = mul <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = mul <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = mul <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = mul <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = mul <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = mul <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = mul <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = mul <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = mul <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = mul <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = mul <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = mul <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = mul <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = mul <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = mul <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = mul <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = mul i16 undef, undef
   %I32 = mul i32 undef, undef
@@ -279,6 +388,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = shl <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = shl <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'shl'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = shl i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = shl i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = shl i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = shl <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = shl <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = shl <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = shl <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = shl <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = shl <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = shl <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = shl <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = shl <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = shl <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = shl <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = shl <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = shl <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = shl <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = shl <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = shl <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = shl <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = shl <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = shl <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = shl <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = shl <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = shl <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = shl <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = shl <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = shl <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = shl <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = shl <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = shl <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = shl <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = shl <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = shl i16 undef, undef
   %I32 = shl i32 undef, undef
@@ -359,6 +504,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = lshr <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = lshr <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'lshr'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = lshr i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = lshr i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = lshr i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = lshr <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = lshr <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = lshr <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = lshr <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = lshr <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = lshr <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = lshr <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = lshr <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = lshr <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = lshr <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = lshr <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = lshr <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = lshr <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = lshr <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = lshr <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = lshr <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = lshr <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = lshr <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = lshr <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = lshr <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = lshr <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = lshr <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = lshr <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = lshr <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = lshr <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = lshr <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = lshr <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = lshr <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = lshr <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = lshr <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = lshr i16 undef, undef
   %I32 = lshr i32 undef, undef
@@ -439,6 +620,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I64 = ashr <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I64 = ashr <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'ashr'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = ashr i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = ashr i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = ashr i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I16 = ashr <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I16 = ashr <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I16 = ashr <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I16 = ashr <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V16I16 = ashr <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = ashr <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = ashr <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = ashr <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV4I16 = ashr <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV8I16 = ashr <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV16I16 = ashr <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV32I16 = ashr <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I32 = ashr <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I32 = ashr <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I32 = ashr <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V8I32 = ashr <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = ashr <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = ashr <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV2I32 = ashr <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV4I32 = ashr <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV8I32 = ashr <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV16I32 = ashr <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V1I64 = ashr <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V2I64 = ashr <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %V4I64 = ashr <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = ashr <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %NXV1I64 = ashr <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %NXV2I64 = ashr <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %NXV4I64 = ashr <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %NXV8I64 = ashr <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = ashr i16 undef, undef
   %I32 = ashr i32 undef, undef
@@ -519,6 +736,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = udiv <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = udiv <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'udiv'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = udiv i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = udiv i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = udiv i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I16 = udiv <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I16 = udiv <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I16 = udiv <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I16 = udiv <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = udiv <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = udiv <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = udiv <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = udiv <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I16 = udiv <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I16 = udiv <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I16 = udiv <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV32I16 = udiv <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I32 = udiv <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I32 = udiv <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I32 = udiv <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I32 = udiv <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = udiv <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = udiv <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I32 = udiv <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I32 = udiv <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I32 = udiv <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I32 = udiv <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I64 = udiv <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I64 = udiv <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I64 = udiv <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = udiv <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I64 = udiv <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I64 = udiv <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = udiv <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = udiv <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = udiv i16 undef, undef
   %I32 = udiv i32 undef, undef
@@ -599,6 +852,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = urem <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = urem <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'urem'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = urem i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = urem i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = urem i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I16 = urem <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I16 = urem <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I16 = urem <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I16 = urem <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = urem <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = urem <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = urem <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = urem <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I16 = urem <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I16 = urem <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I16 = urem <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV32I16 = urem <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I32 = urem <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I32 = urem <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I32 = urem <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I32 = urem <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = urem <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = urem <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I32 = urem <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I32 = urem <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I32 = urem <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I32 = urem <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I64 = urem <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I64 = urem <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I64 = urem <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = urem <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I64 = urem <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I64 = urem <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = urem <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = urem <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = urem i16 undef, undef
   %I32 = urem i32 undef, undef
@@ -679,6 +968,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = sdiv <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = sdiv <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'sdiv'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = sdiv i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = sdiv i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = sdiv i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I16 = sdiv <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I16 = sdiv <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I16 = sdiv <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I16 = sdiv <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = sdiv <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = sdiv <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = sdiv <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = sdiv <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I16 = sdiv <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I16 = sdiv <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I16 = sdiv <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV32I16 = sdiv <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I32 = sdiv <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I32 = sdiv <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I32 = sdiv <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I32 = sdiv <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = sdiv <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = sdiv <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I32 = sdiv <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I32 = sdiv <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I32 = sdiv <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I32 = sdiv <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I64 = sdiv <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I64 = sdiv <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I64 = sdiv <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = sdiv <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I64 = sdiv <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I64 = sdiv <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = sdiv <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = sdiv <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = sdiv i16 undef, undef
   %I32 = sdiv i32 undef, undef
@@ -759,6 +1084,42 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = srem <vscale x 4 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = srem <vscale x 8 x i64> undef, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
+;
+; SIFIVE-X280-LABEL: 'srem'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I16 = srem i16 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I32 = srem i32 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %I64 = srem i64 undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I16 = srem <1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I16 = srem <2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I16 = srem <4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I16 = srem <8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I16 = srem <16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V32I16 = srem <32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I16 = srem <vscale x 1 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I16 = srem <vscale x 2 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I16 = srem <vscale x 4 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I16 = srem <vscale x 8 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I16 = srem <vscale x 16 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV32I16 = srem <vscale x 32 x i16> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I32 = srem <1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I32 = srem <2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I32 = srem <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I32 = srem <8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V16I32 = srem <16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I32 = srem <vscale x 1 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I32 = srem <vscale x 2 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I32 = srem <vscale x 4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I32 = srem <vscale x 8 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV16I32 = srem <vscale x 16 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V1I64 = srem <1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V2I64 = srem <2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V4I64 = srem <4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %V8I64 = srem <8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV1I64 = srem <vscale x 1 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV2I64 = srem <vscale x 2 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV4I64 = srem <vscale x 4 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %NXV8I64 = srem <vscale x 8 x i64> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 undef
 ;
   %I16 = srem i16 undef, undef
   %I32 = srem i32 undef, undef
@@ -824,6 +1185,24 @@
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %14 = add <4 x i32> <i32 -1, i32 0, i32 2, i32 1>, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %15 = add <4 x i32> <i32 256, i32 4096, i32 57, i32 1>, undef
 ; CHECK-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
+;
+; SIFIVE-X280-LABEL: 'add_of_constant'
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %1 = add <4 x i32> poison, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %2 = add <4 x i32> undef, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %3 = add <4 x i32> zeroinitializer, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %4 = add <2 x i64> zeroinitializer, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %5 = add <4 x i32> <i32 1, i32 1, i32 1, i32 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %6 = add <2 x i64> <i64 1, i64 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %7 = add <4 x i32> <i32 4096, i32 4096, i32 4096, i32 4096>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %8 = add <4 x i32> <i32 1, i32 1, i32 2, i32 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %9 = add <4 x i32> <i32 2, i32 1, i32 1, i32 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %10 = add <4 x i32> <i32 0, i32 1, i32 2, i32 3>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %11 = add <4 x i32> <i32 1, i32 2, i32 3, i32 4>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %12 = add <4 x i32> <i32 -1, i32 -2, i32 -3, i32 -4>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %13 = add <4 x i32> <i32 2, i32 4, i32 6, i32 8>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %14 = add <4 x i32> <i32 -1, i32 0, i32 2, i32 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %15 = add <4 x i32> <i32 256, i32 4096, i32 57, i32 1>, undef
+; SIFIVE-X280-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret void
 ;
 
   ; poison and undef