[llvm] 080ef0b - [AArch64][SVE] Recognize all ones mask during fixed mask generation

Bradley Smith via llvm-commits llvm-commits at lists.llvm.org
Wed Nov 24 06:03:07 PST 2021


Author: Bradley Smith
Date: 2021-11-24T13:55:06Z
New Revision: 080ef0b6a698e41bbc356f5d96eb550f248642e2

URL: https://github.com/llvm/llvm-project/commit/080ef0b6a698e41bbc356f5d96eb550f248642e2
DIFF: https://github.com/llvm/llvm-project/commit/080ef0b6a698e41bbc356f5d96eb550f248642e2.diff

LOG: [AArch64][SVE] Recognize all ones mask during fixed mask generation

Differential Revision: https://reviews.llvm.org/D114431

Added: 
    llvm/test/CodeGen/AArch64/sve-fixed-length-mask-opt.ll

Modified: 
    llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll
    llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 94e787a165e43..eb143b3e1c2fd 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -4506,7 +4506,7 @@ SDValue AArch64TargetLowering::LowerMGATHER(SDValue Op,
     }
     InputVT = DAG.getValueType(MemVT.changeTypeToInteger());
     Mask = DAG.getNode(
-        ISD::ZERO_EXTEND, DL,
+        ISD::SIGN_EXTEND, DL,
         VT.changeVectorElementType(IndexVT.getVectorElementType()), Mask);
   }
 
@@ -4618,7 +4618,7 @@ SDValue AArch64TargetLowering::LowerMSCATTER(SDValue Op,
         VT.changeVectorElementType(IndexVT.getVectorElementType()), StoreVal);
     StoreVal = convertToScalableVector(DAG, IndexVT, StoreVal);
     Mask = DAG.getNode(
-        ISD::ZERO_EXTEND, DL,
+        ISD::SIGN_EXTEND, DL,
         VT.changeVectorElementType(IndexVT.getVectorElementType()), Mask);
   } else if (VT.isFloatingPoint()) {
     // Handle FP data by casting the data so an integer scatter can be used.
@@ -18627,12 +18627,15 @@ static SDValue convertFixedMaskToScalableVector(SDValue Mask,
   EVT InVT = Mask.getValueType();
   EVT ContainerVT = getContainerForFixedLengthVector(DAG, InVT);
 
+  auto Pg = getPredicateForFixedLengthVector(DAG, DL, InVT);
+
+  if (ISD::isBuildVectorAllOnes(Mask.getNode()))
+    return Pg;
+
   auto Op1 = convertToScalableVector(DAG, ContainerVT, Mask);
   auto Op2 = DAG.getConstant(0, DL, ContainerVT);
-  auto Pg = getPredicateForFixedLengthVector(DAG, DL, InVT);
 
-  EVT CmpVT = Pg.getValueType();
-  return DAG.getNode(AArch64ISD::SETCC_MERGE_ZERO, DL, CmpVT,
+  return DAG.getNode(AArch64ISD::SETCC_MERGE_ZERO, DL, Pg.getValueType(),
                      {Pg, Op1, Op2, DAG.getCondCode(ISD::SETNE)});
 }
 

diff  --git a/llvm/test/CodeGen/AArch64/sve-fixed-length-mask-opt.ll b/llvm/test/CodeGen/AArch64/sve-fixed-length-mask-opt.ll
new file mode 100644
index 0000000000000..6d7609d244a3c
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/sve-fixed-length-mask-opt.ll
@@ -0,0 +1,450 @@
+; RUN: llc -aarch64-sve-vector-bits-min=256  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_EQ_256
+; RUN: llc -aarch64-sve-vector-bits-min=384  < %s | FileCheck %s -check-prefixes=CHECK
+; RUN: llc -aarch64-sve-vector-bits-min=512  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=640  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=768  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=896  < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1024 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1152 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1280 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1408 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1536 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1664 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1792 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=1920 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_1024,VBITS_GE_512
+; RUN: llc -aarch64-sve-vector-bits-min=2048 < %s | FileCheck %s -check-prefixes=CHECK,VBITS_GE_2048,VBITS_GE_1024,VBITS_GE_512
+
+target triple = "aarch64-unknown-linux-gnu"
+
+;
+; LD1B
+;
+
+define void @masked_gather_v2i8(<2 x i8>* %a, <2 x i8*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v2i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x1]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    ld1sb { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    xtn v0.2s, v0.2d
+; CHECK-NEXT:    st1b { z0.s }, p0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <2 x i8*>, <2 x i8*>* %b
+  %vals = call <2 x i8> @llvm.masked.gather.v2i8(<2 x i8*> %ptrs, i32 8, <2 x i1> <i1 true, i1 true>, <2 x i8> undef)
+  store <2 x i8> %vals, <2 x i8>* %a
+  ret void
+}
+
+define void @masked_gather_v4i8(<4 x i8>* %a, <4 x i8*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v4i8:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.d, vl4
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; CHECK-NEXT:    ld1sb { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    ptrue p0.h, vl4
+; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
+; CHECK-NEXT:    uzp1 z0.h, z0.h, z0.h
+; CHECK-NEXT:    st1b { z0.h }, p0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <4 x i8*>, <4 x i8*>* %b
+  %vals = call <4 x i8> @llvm.masked.gather.v4i8(<4 x i8*> %ptrs, i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i8> undef)
+  store <4 x i8> %vals, <4 x i8>* %a
+  ret void
+}
+
+define void @masked_gather_v8i8(<8 x i8>* %a, <8 x i8*>* %b) #0 {
+; VBITS_EQ_256-LABEL: masked_gather_v8i8:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #4
+; VBITS_EQ_256-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x1, x8, lsl #3]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    ld1sb { z0.d }, p0/z, [z0.d]
+; VBITS_EQ_256-NEXT:    ld1sb { z1.d }, p0/z, [z1.d]
+; VBITS_EQ_256-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    uzp1 z1.s, z1.s, z1.s
+; VBITS_EQ_256-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_EQ_256-NEXT:    uzp1 z1.h, z1.h, z1.h
+; VBITS_EQ_256-NEXT:    uzp1 v0.8b, v1.8b, v0.8b
+; VBITS_EQ_256-NEXT:    str d0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_GE_512-LABEL: masked_gather_v8i8:
+; VBITS_GE_512:       // %bb.0:
+; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
+; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_512-NEXT:    ld1b { z0.d }, p0/z, [z0.d]
+; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_512-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_512-NEXT:    uzp1 z0.b, z0.b, z0.b
+; VBITS_GE_512-NEXT:    str d0, [x0]
+; VBITS_GE_512-NEXT:    ret
+  %ptrs = load <8 x i8*>, <8 x i8*>* %b
+  %vals = call <8 x i8> @llvm.masked.gather.v8i8(<8 x i8*> %ptrs, i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i8> undef)
+  store <8 x i8> %vals, <8 x i8>* %a
+  ret void
+}
+
+define void @masked_gather_v16i8(<16 x i8>* %a, <16 x i8*>* %b) #0 {
+; VBITS_GE_1024-LABEL: masked_gather_v16i8:
+; VBITS_GE_1024:       // %bb.0:
+; VBITS_GE_1024-NEXT:    ptrue p0.d, vl16
+; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_1024-NEXT:    ld1b { z0.d }, p0/z, [z0.d]
+; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_1024-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_1024-NEXT:    uzp1 z0.b, z0.b, z0.b
+; VBITS_GE_1024-NEXT:    str q0, [x0]
+; VBITS_GE_1024-NEXT:    ret
+  %ptrs = load <16 x i8*>, <16 x i8*>* %b
+  %vals = call <16 x i8> @llvm.masked.gather.v16i8(<16 x i8*> %ptrs, i32 8, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                       i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <16 x i8> undef)
+  store <16 x i8> %vals, <16 x i8>* %a
+  ret void
+}
+
+define void @masked_gather_v32i8(<32 x i8>* %a, <32 x i8*>* %b) #0 {
+; VBITS_GE_2048-LABEL: masked_gather_v32i8:
+; VBITS_GE_2048:       // %bb.0:
+; VBITS_GE_2048-NEXT:    ptrue p0.d, vl32
+; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_2048-NEXT:    ld1b { z0.d }, p0/z, [z0.d]
+; VBITS_GE_2048-NEXT:    ptrue p0.b, vl32
+; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_2048-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_2048-NEXT:    uzp1 z0.b, z0.b, z0.b
+; VBITS_GE_2048-NEXT:    st1b { z0.b }, p0, [x0]
+; VBITS_GE_2048-NEXT:    ret
+  %ptrs = load <32 x i8*>, <32 x i8*>* %b
+  %vals = call <32 x i8> @llvm.masked.gather.v32i8(<32 x i8*> %ptrs, i32 8, <32 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                       i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                       i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                       i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <32 x i8> undef)
+  store <32 x i8> %vals, <32 x i8>* %a
+  ret void
+}
+
+;
+; LD1H
+;
+
+define void @masked_gather_v2i16(<2 x i16>* %a, <2 x i16*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v2i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x1]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    ld1sh { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    ptrue p0.s, vl2
+; CHECK-NEXT:    xtn v0.2s, v0.2d
+; CHECK-NEXT:    st1h { z0.s }, p0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <2 x i16*>, <2 x i16*>* %b
+  %vals = call <2 x i16> @llvm.masked.gather.v2i16(<2 x i16*> %ptrs, i32 8, <2 x i1> <i1 true, i1 true>, <2 x i16> undef)
+  store <2 x i16> %vals, <2 x i16>* %a
+  ret void
+}
+
+define void @masked_gather_v4i16(<4 x i16>* %a, <4 x i16*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v4i16:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.d, vl4
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; CHECK-NEXT:    ld1h { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
+; CHECK-NEXT:    uzp1 z0.h, z0.h, z0.h
+; CHECK-NEXT:    str d0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <4 x i16*>, <4 x i16*>* %b
+  %vals = call <4 x i16> @llvm.masked.gather.v4i16(<4 x i16*> %ptrs, i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i16> undef)
+  store <4 x i16> %vals, <4 x i16>* %a
+  ret void
+}
+
+define void @masked_gather_v8i16(<8 x i16>* %a, <8 x i16*>* %b) #0 {
+; VBITS_EQ_256-LABEL: masked_gather_v8i16:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #4
+; VBITS_EQ_256-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x1, x8, lsl #3]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    ld1h { z0.d }, p0/z, [z0.d]
+; VBITS_EQ_256-NEXT:    ld1h { z1.d }, p0/z, [z1.d]
+; VBITS_EQ_256-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    uzp1 z1.s, z1.s, z1.s
+; VBITS_EQ_256-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_EQ_256-NEXT:    uzp1 z1.h, z1.h, z1.h
+; VBITS_EQ_256-NEXT:    mov v1.d[1], v0.d[0]
+; VBITS_EQ_256-NEXT:    str q1, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_GE_512-LABEL: masked_gather_v8i16:
+; VBITS_GE_512:       // %bb.0:
+; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
+; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_512-NEXT:    ld1h { z0.d }, p0/z, [z0.d]
+; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_512-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_512-NEXT:    str q0, [x0]
+; VBITS_GE_512-NEXT:    ret
+  %ptrs = load <8 x i16*>, <8 x i16*>* %b
+  %vals = call <8 x i16> @llvm.masked.gather.v8i16(<8 x i16*> %ptrs, i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i16> undef)
+  store <8 x i16> %vals, <8 x i16>* %a
+  ret void
+}
+
+define void @masked_gather_v16i16(<16 x i16>* %a, <16 x i16*>* %b) #0 {
+; VBITS_GE_1024-LABEL: masked_gather_v16i16:
+; VBITS_GE_1024:       // %bb.0:
+; VBITS_GE_1024-NEXT:    ptrue p0.d, vl16
+; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_1024-NEXT:    ld1h { z0.d }, p0/z, [z0.d]
+; VBITS_GE_1024-NEXT:    ptrue p0.h, vl16
+; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_1024-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_1024-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_GE_1024-NEXT:    ret
+  %ptrs = load <16 x i16*>, <16 x i16*>* %b
+  %vals = call <16 x i16> @llvm.masked.gather.v16i16(<16 x i16*> %ptrs, i32 8, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <16 x i16> undef)
+  store <16 x i16> %vals, <16 x i16>* %a
+  ret void
+}
+
+define void @masked_gather_v32i16(<32 x i16>* %a, <32 x i16*>* %b) #0 {
+; VBITS_GE_2048-LABEL: masked_gather_v32i16:
+; VBITS_GE_2048:       // %bb.0:
+; VBITS_GE_2048-NEXT:    ptrue p0.d, vl32
+; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p0/z, [z0.d]
+; VBITS_GE_2048-NEXT:    ptrue p0.h, vl32
+; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_2048-NEXT:    uzp1 z0.h, z0.h, z0.h
+; VBITS_GE_2048-NEXT:    st1h { z0.h }, p0, [x0]
+; VBITS_GE_2048-NEXT:    ret
+  %ptrs = load <32 x i16*>, <32 x i16*>* %b
+  %vals = call <32 x i16> @llvm.masked.gather.v32i16(<32 x i16*> %ptrs, i32 8, <32 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <32 x i16> undef)
+  store <32 x i16> %vals, <32 x i16>* %a
+  ret void
+}
+
+;
+; LD1W
+;
+
+define void @masked_gather_v2i32(<2 x i32>* %a, <2 x i32*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v2i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x1]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    xtn v0.2s, v0.2d
+; CHECK-NEXT:    str d0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <2 x i32*>, <2 x i32*>* %b
+  %vals = call <2 x i32> @llvm.masked.gather.v2i32(<2 x i32*> %ptrs, i32 8, <2 x i1> <i1 true, i1 true>, <2 x i32> undef)
+  store <2 x i32> %vals, <2 x i32>* %a
+  ret void
+}
+
+define void @masked_gather_v4i32(<4 x i32>* %a, <4 x i32*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v4i32:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.d, vl4
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
+; CHECK-NEXT:    str q0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <4 x i32*>, <4 x i32*>* %b
+  %vals = call <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*> %ptrs, i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef)
+  store <4 x i32> %vals, <4 x i32>* %a
+  ret void
+}
+
+define void @masked_gather_v8i32(<8 x i32>* %a, <8 x i32*>* %b) #0 {
+; VBITS_EQ_256-LABEL: masked_gather_v8i32:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #4
+; VBITS_EQ_256-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x1, x8, lsl #3]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; VBITS_EQ_256-NEXT:    ld1w { z1.d }, p0/z, [z1.d]
+; VBITS_EQ_256-NEXT:    ptrue p0.s, vl4
+; VBITS_EQ_256-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_EQ_256-NEXT:    uzp1 z1.s, z1.s, z1.s
+; VBITS_EQ_256-NEXT:    splice z1.s, p0, z1.s, z0.s
+; VBITS_EQ_256-NEXT:    ptrue p0.s, vl8
+; VBITS_EQ_256-NEXT:    st1w { z1.s }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_GE_512-LABEL: masked_gather_v8i32:
+; VBITS_GE_512:       // %bb.0:
+; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
+; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_512-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; VBITS_GE_512-NEXT:    ptrue p0.s, vl8
+; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_512-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_GE_512-NEXT:    ret
+  %ptrs = load <8 x i32*>, <8 x i32*>* %b
+  %vals = call <8 x i32> @llvm.masked.gather.v8i32(<8 x i32*> %ptrs, i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i32> undef)
+  store <8 x i32> %vals, <8 x i32>* %a
+  ret void
+}
+
+define void @masked_gather_v16i32(<16 x i32>* %a, <16 x i32*>* %b) #0 {
+; VBITS_GE_1024-LABEL: masked_gather_v16i32:
+; VBITS_GE_1024:       // %bb.0:
+; VBITS_GE_1024-NEXT:    ptrue p0.d, vl16
+; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_1024-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; VBITS_GE_1024-NEXT:    ptrue p0.s, vl16
+; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_1024-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_GE_1024-NEXT:    ret
+  %ptrs = load <16 x i32*>, <16 x i32*>* %b
+  %vals = call <16 x i32> @llvm.masked.gather.v16i32(<16 x i32*> %ptrs, i32 8, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <16 x i32> undef)
+  store <16 x i32> %vals, <16 x i32>* %a
+  ret void
+}
+
+define void @masked_gather_v32i32(<32 x i32>* %a, <32 x i32*>* %b) #0 {
+; VBITS_GE_2048-LABEL: masked_gather_v32i32:
+; VBITS_GE_2048:       // %bb.0:
+; VBITS_GE_2048-NEXT:    ptrue p0.d, vl32
+; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p0/z, [z0.d]
+; VBITS_GE_2048-NEXT:    ptrue p0.s, vl32
+; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
+; VBITS_GE_2048-NEXT:    st1w { z0.s }, p0, [x0]
+; VBITS_GE_2048-NEXT:    ret
+  %ptrs = load <32 x i32*>, <32 x i32*>* %b
+  %vals = call <32 x i32> @llvm.masked.gather.v32i32(<32 x i32*> %ptrs, i32 8, <32 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <32 x i32> undef)
+  store <32 x i32> %vals, <32 x i32>* %a
+  ret void
+}
+
+;
+; LD1D
+;
+
+define void @masked_gather_v2i64(<2 x i64>* %a, <2 x i64*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v2i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ldr q0, [x1]
+; CHECK-NEXT:    ptrue p0.d, vl2
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    str q0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <2 x i64*>, <2 x i64*>* %b
+  %vals = call <2 x i64> @llvm.masked.gather.v2i64(<2 x i64*> %ptrs, i32 8, <2 x i1> <i1 true, i1 true>, <2 x i64> undef)
+  store <2 x i64> %vals, <2 x i64>* %a
+  ret void
+}
+
+define void @masked_gather_v4i64(<4 x i64>* %a, <4 x i64*>* %b) #0 {
+; CHECK-LABEL: masked_gather_v4i64:
+; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p0.d, vl4
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; CHECK-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; CHECK-NEXT:    st1d { z0.d }, p0, [x0]
+; CHECK-NEXT:    ret
+  %ptrs = load <4 x i64*>, <4 x i64*>* %b
+  %vals = call <4 x i64> @llvm.masked.gather.v4i64(<4 x i64*> %ptrs, i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i64> undef)
+  store <4 x i64> %vals, <4 x i64>* %a
+  ret void
+}
+
+define void @masked_gather_v8i64(<8 x i64>* %a, <8 x i64*>* %b) #0 {
+; VBITS_EQ_256-LABEL: masked_gather_v8i64:
+; VBITS_EQ_256:       // %bb.0:
+; VBITS_EQ_256-NEXT:    mov x8, #4
+; VBITS_EQ_256-NEXT:    ptrue p0.d, vl4
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [x1, x8, lsl #3]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [x1]
+; VBITS_EQ_256-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; VBITS_EQ_256-NEXT:    ld1d { z1.d }, p0/z, [z1.d]
+; VBITS_EQ_256-NEXT:    st1d { z0.d }, p0, [x0, x8, lsl #3]
+; VBITS_EQ_256-NEXT:    st1d { z1.d }, p0, [x0]
+; VBITS_EQ_256-NEXT:    ret
+;
+; VBITS_GE_512-LABEL: masked_gather_v8i64:
+; VBITS_GE_512:       // %bb.0:
+; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
+; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_512-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; VBITS_GE_512-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_GE_512-NEXT:    ret
+  %ptrs = load <8 x i64*>, <8 x i64*>* %b
+  %vals = call <8 x i64> @llvm.masked.gather.v8i64(<8 x i64*> %ptrs, i32 8, <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i64> undef)
+  store <8 x i64> %vals, <8 x i64>* %a
+  ret void
+}
+
+define void @masked_gather_v16i64(<16 x i64>* %a, <16 x i64*>* %b) #0 {
+; VBITS_GE_1024-LABEL: masked_gather_v16i64:
+; VBITS_GE_1024:       // %bb.0:
+; VBITS_GE_1024-NEXT:    ptrue p0.d, vl16
+; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; VBITS_GE_1024-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_GE_1024-NEXT:    ret
+  %ptrs = load <16 x i64*>, <16 x i64*>* %b
+  %vals = call <16 x i64> @llvm.masked.gather.v16i64(<16 x i64*> %ptrs, i32 8, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <16 x i64> undef)
+  store <16 x i64> %vals, <16 x i64>* %a
+  ret void
+}
+
+define void @masked_gather_v32i64(<32 x i64>* %a, <32 x i64*>* %b) #0 {
+; VBITS_GE_2048-LABEL: masked_gather_v32i64:
+; VBITS_GE_2048:       // %bb.0:
+; VBITS_GE_2048-NEXT:    ptrue p0.d, vl32
+; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p0/z, [x1]
+; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p0/z, [z0.d]
+; VBITS_GE_2048-NEXT:    st1d { z0.d }, p0, [x0]
+; VBITS_GE_2048-NEXT:    ret
+  %ptrs = load <32 x i64*>, <32 x i64*>* %b
+  %vals = call <32 x i64> @llvm.masked.gather.v32i64(<32 x i64*> %ptrs, i32 8, <32 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true,
+                                                                                          i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <32 x i64> undef)
+  store <32 x i64> %vals, <32 x i64>* %a
+  ret void
+}
+
+declare <2 x i8> @llvm.masked.gather.v2i8(<2 x i8*>, i32, <2 x i1>, <2 x i8>)
+declare <4 x i8> @llvm.masked.gather.v4i8(<4 x i8*>, i32, <4 x i1>, <4 x i8>)
+declare <8 x i8> @llvm.masked.gather.v8i8(<8 x i8*>, i32, <8 x i1>, <8 x i8>)
+declare <16 x i8> @llvm.masked.gather.v16i8(<16 x i8*>, i32, <16 x i1>, <16 x i8>)
+declare <32 x i8> @llvm.masked.gather.v32i8(<32 x i8*>, i32, <32 x i1>, <32 x i8>)
+
+declare <2 x i16> @llvm.masked.gather.v2i16(<2 x i16*>, i32, <2 x i1>, <2 x i16>)
+declare <4 x i16> @llvm.masked.gather.v4i16(<4 x i16*>, i32, <4 x i1>, <4 x i16>)
+declare <8 x i16> @llvm.masked.gather.v8i16(<8 x i16*>, i32, <8 x i1>, <8 x i16>)
+declare <16 x i16> @llvm.masked.gather.v16i16(<16 x i16*>, i32, <16 x i1>, <16 x i16>)
+declare <32 x i16> @llvm.masked.gather.v32i16(<32 x i16*>, i32, <32 x i1>, <32 x i16>)
+
+declare <2 x i32> @llvm.masked.gather.v2i32(<2 x i32*>, i32, <2 x i1>, <2 x i32>)
+declare <4 x i32> @llvm.masked.gather.v4i32(<4 x i32*>, i32, <4 x i1>, <4 x i32>)
+declare <8 x i32> @llvm.masked.gather.v8i32(<8 x i32*>, i32, <8 x i1>, <8 x i32>)
+declare <16 x i32> @llvm.masked.gather.v16i32(<16 x i32*>, i32, <16 x i1>, <16 x i32>)
+declare <32 x i32> @llvm.masked.gather.v32i32(<32 x i32*>, i32, <32 x i1>, <32 x i32>)
+
+declare <2 x i64> @llvm.masked.gather.v2i64(<2 x i64*>, i32, <2 x i1>, <2 x i64>)
+declare <4 x i64> @llvm.masked.gather.v4i64(<4 x i64*>, i32, <4 x i1>, <4 x i64>)
+declare <8 x i64> @llvm.masked.gather.v8i64(<8 x i64*>, i32, <8 x i1>, <8 x i64>)
+declare <16 x i64> @llvm.masked.gather.v16i64(<16 x i64*>, i32, <16 x i1>, <16 x i64>)
+declare <32 x i64> @llvm.masked.gather.v32i64(<32 x i64*>, i32, <32 x i1>, <32 x i64>)
+
+attributes #0 = { "target-features"="+sve" }

diff  --git a/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll b/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll
index f121bd7e06dc0..6fbadb8d7b122 100644
--- a/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll
+++ b/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-gather.ll
@@ -34,7 +34,7 @@ define void @masked_gather_v2i8(<2 x i8>* %a, <2 x i8*>* %b) #0 {
 ; CHECK-NEXT:    ldrb w8, [x0, #1]
 ; CHECK-NEXT:    mov v0.s[1], w8
 ; CHECK-NEXT:    cmeq v0.2s, v0.2s, #0
-; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
+; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1sb { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    ptrue p0.s, vl2
@@ -57,8 +57,8 @@ define void @masked_gather_v4i8(<4 x i8>* %a, <4 x i8*>* %b) #0 {
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    ushll v0.8h, v0.8b, #0
 ; CHECK-NEXT:    cmeq v0.4h, v0.4h, #0
-; CHECK-NEXT:    uunpklo z0.s, z0.h
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.s, z0.h
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1sb { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    ptrue p0.h, vl4
@@ -90,10 +90,10 @@ define void @masked_gather_v8i8(<8 x i8>* %a, <8 x i8*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    shl v0.4h, v0.4h, #8
 ; VBITS_EQ_256-NEXT:    sshr v1.4h, v1.4h, #8
 ; VBITS_EQ_256-NEXT:    sshr v0.4h, v0.4h, #8
-; VBITS_EQ_256-NEXT:    uunpklo z1.s, z1.h
-; VBITS_EQ_256-NEXT:    uunpklo z0.s, z0.h
-; VBITS_EQ_256-NEXT:    uunpklo z1.d, z1.s
-; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
+; VBITS_EQ_256-NEXT:    sunpklo z1.s, z1.h
+; VBITS_EQ_256-NEXT:    sunpklo z0.s, z0.h
+; VBITS_EQ_256-NEXT:    sunpklo z1.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p0/z, z1.d, #0
 ; VBITS_EQ_256-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_EQ_256-NEXT:    ld1sb { z0.d }, p1/z, [z2.d]
@@ -112,9 +112,9 @@ define void @masked_gather_v8i8(<8 x i8>* %a, <8 x i8*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; VBITS_GE_512-NEXT:    cmeq v0.8b, v0.8b, #0
-; VBITS_GE_512-NEXT:    uunpklo z0.h, z0.b
-; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_512-NEXT:    sunpklo z0.h, z0.b
+; VBITS_GE_512-NEXT:    sunpklo z0.s, z0.h
+; VBITS_GE_512-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1b { z0.d }, p0/z, [z1.d]
 ; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -137,9 +137,9 @@ define void @masked_gather_v16i8(<16 x i8>* %a, <16 x i8*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    ptrue p0.d, vl16
 ; VBITS_GE_1024-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; VBITS_GE_1024-NEXT:    cmeq v0.16b, v0.16b, #0
-; VBITS_GE_1024-NEXT:    uunpklo z0.h, z0.b
-; VBITS_GE_1024-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_1024-NEXT:    sunpklo z0.h, z0.b
+; VBITS_GE_1024-NEXT:    sunpklo z0.s, z0.h
+; VBITS_GE_1024-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_1024-NEXT:    ld1b { z0.d }, p0/z, [z1.d]
 ; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -164,9 +164,9 @@ define void @masked_gather_v32i8(<32 x i8>* %a, <32 x i8*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p2/z, [x1]
 ; VBITS_GE_2048-NEXT:    cmpeq p1.b, p0/z, z0.b, #0
 ; VBITS_GE_2048-NEXT:    mov z0.b, p1/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.h, z0.b
-; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.h, z0.b
+; VBITS_GE_2048-NEXT:    sunpklo z0.s, z0.h
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p2/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1b { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -196,7 +196,7 @@ define void @masked_gather_v2i16(<2 x i16>* %a, <2 x i16*>* %b) #0 {
 ; CHECK-NEXT:    ldrh w8, [x0, #2]
 ; CHECK-NEXT:    mov v0.s[1], w8
 ; CHECK-NEXT:    cmeq v0.2s, v0.2s, #0
-; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
+; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1sh { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    ptrue p0.s, vl2
@@ -218,8 +218,8 @@ define void @masked_gather_v4i16(<4 x i16>* %a, <4 x i16*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl4
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    cmeq v0.4h, v0.4h, #0
-; CHECK-NEXT:    uunpklo z0.s, z0.h
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.s, z0.h
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1h { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -245,12 +245,12 @@ define void @masked_gather_v8i16(<8 x i16>* %a, <8 x i16*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    ld1d { z2.d }, p0/z, [x1, x8, lsl #3]
 ; VBITS_EQ_256-NEXT:    ld1d { z3.d }, p0/z, [x1]
 ; VBITS_EQ_256-NEXT:    ext v1.16b, v0.16b, v0.16b, #8
-; VBITS_EQ_256-NEXT:    uunpklo z0.s, z0.h
-; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
+; VBITS_EQ_256-NEXT:    sunpklo z0.s, z0.h
+; VBITS_EQ_256-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p0/z, z0.d, #0
 ; VBITS_EQ_256-NEXT:    ld1h { z0.d }, p1/z, [z3.d]
-; VBITS_EQ_256-NEXT:    uunpklo z1.s, z1.h
-; VBITS_EQ_256-NEXT:    uunpklo z1.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z1.s, z1.h
+; VBITS_EQ_256-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_EQ_256-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; VBITS_EQ_256-NEXT:    ld1h { z1.d }, p0/z, [z2.d]
 ; VBITS_EQ_256-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -267,8 +267,8 @@ define void @masked_gather_v8i16(<8 x i16>* %a, <8 x i16*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; VBITS_GE_512-NEXT:    cmeq v0.8h, v0.8h, #0
-; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_512-NEXT:    sunpklo z0.s, z0.h
+; VBITS_GE_512-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1h { z0.d }, p0/z, [z1.d]
 ; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -292,8 +292,8 @@ define void @masked_gather_v16i16(<16 x i16>* %a, <16 x i16*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    cmpeq p2.h, p0/z, z0.h, #0
 ; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p1/z, [x1]
 ; VBITS_GE_1024-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_1024-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_1024-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_1024-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_1024-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_1024-NEXT:    ld1h { z0.d }, p1/z, [z0.d]
 ; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -317,8 +317,8 @@ define void @masked_gather_v32i16(<32 x i16>* %a, <32 x i16*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    cmpeq p2.h, p0/z, z0.h, #0
 ; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [z0.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -344,7 +344,7 @@ define void @masked_gather_v2i32(<2 x i32>* %a, <2 x i32*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl2
 ; CHECK-NEXT:    ldr q1, [x1]
 ; CHECK-NEXT:    cmeq v0.2s, v0.2s, #0
-; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
+; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    xtn v0.2s, v0.2d
@@ -365,7 +365,7 @@ define void @masked_gather_v4i32(<4 x i32>* %a, <4 x i32*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl4
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    cmeq v0.4s, v0.4s, #0
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -391,9 +391,9 @@ define void @masked_gather_v8i32(<8 x i32>* %a, <8 x i32*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    ld1d { z2.d }, p1/z, [x1]
 ; VBITS_EQ_256-NEXT:    cmpeq p2.s, p0/z, z0.s, #0
 ; VBITS_EQ_256-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_EQ_256-NEXT:    uunpklo z3.d, z0.s
+; VBITS_EQ_256-NEXT:    sunpklo z3.d, z0.s
 ; VBITS_EQ_256-NEXT:    ext z0.b, z0.b, z0.b, #16
-; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
+; VBITS_EQ_256-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_EQ_256-NEXT:    cmpne p2.d, p1/z, z3.d, #0
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_EQ_256-NEXT:    ld1w { z2.d }, p2/z, [z2.d]
@@ -413,7 +413,7 @@ define void @masked_gather_v8i32(<8 x i32>* %a, <8 x i32*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_512-NEXT:    cmpeq p2.s, p0/z, z0.s, #0
 ; VBITS_GE_512-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_512-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -436,7 +436,7 @@ define void @masked_gather_v16i32(<16 x i32>* %a, <16 x i32*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_1024-NEXT:    cmpeq p2.s, p0/z, z0.s, #0
 ; VBITS_GE_1024-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_1024-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_1024-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_1024-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -459,7 +459,7 @@ define void @masked_gather_v32i32(<32 x i32>* %a, <32 x i32*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    cmpeq p2.s, p0/z, z0.s, #0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -633,8 +633,8 @@ define void @masked_gather_v2f16(<2 x half>* %a, <2 x half*>* %b) #0 {
 ; CHECK-NEXT:    mov v0.h[1], w9
 ; CHECK-NEXT:    shl v0.4h, v0.4h, #15
 ; CHECK-NEXT:    sshr v0.4h, v0.4h, #15
-; CHECK-NEXT:    uunpklo z0.s, z0.h
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.s, z0.h
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1h { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -656,8 +656,8 @@ define void @masked_gather_v4f16(<4 x half>* %a, <4 x half*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl4
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    fcmeq v0.4h, v0.4h, #0.0
-; CHECK-NEXT:    uunpklo z0.s, z0.h
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.s, z0.h
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1h { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -679,8 +679,8 @@ define void @masked_gather_v8f16(<8 x half>* %a, <8 x half*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    ptrue p0.d, vl8
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; VBITS_GE_512-NEXT:    fcmeq v0.8h, v0.8h, #0.0
-; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_512-NEXT:    sunpklo z0.s, z0.h
+; VBITS_GE_512-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1h { z0.d }, p0/z, [z1.d]
 ; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -704,8 +704,8 @@ define void @masked_gather_v16f16(<16 x half>* %a, <16 x half*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_1024-NEXT:    ld1d { z0.d }, p1/z, [x1]
 ; VBITS_GE_1024-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_1024-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_1024-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_1024-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_1024-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_1024-NEXT:    ld1h { z0.d }, p1/z, [z0.d]
 ; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -729,8 +729,8 @@ define void @masked_gather_v32f16(<32 x half>* %a, <32 x half*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_2048-NEXT:    ld1d { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [z0.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -756,7 +756,7 @@ define void @masked_gather_v2f32(<2 x float>* %a, <2 x float*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl2
 ; CHECK-NEXT:    ldr q1, [x1]
 ; CHECK-NEXT:    fcmeq v0.2s, v0.2s, #0.0
-; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
+; CHECK-NEXT:    sshll v0.2d, v0.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    xtn v0.2s, v0.2d
@@ -777,7 +777,7 @@ define void @masked_gather_v4f32(<4 x float>* %a, <4 x float*>* %b) #0 {
 ; CHECK-NEXT:    ptrue p0.d, vl4
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    fcmeq v0.4s, v0.4s, #0.0
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    ld1w { z0.d }, p0/z, [z1.d]
 ; CHECK-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -800,7 +800,7 @@ define void @masked_gather_v8f32(<8 x float>* %a, <8 x float*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_512-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_512-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_512-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_512-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_512-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -823,7 +823,7 @@ define void @masked_gather_v16f32(<16 x float>* %a, <16 x float*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_1024-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_1024-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_1024-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_1024-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_1024-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_1024-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -846,7 +846,7 @@ define void @masked_gather_v32f32(<32 x float>* %a, <32 x float*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -991,8 +991,8 @@ define void @masked_gather_32b_scaled_sext_f16(<32 x half>* %a, <32 x i32>* %b,
 ; VBITS_GE_2048-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_2048-NEXT:    ld1sw { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [x2, z0.d, lsl #1]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1019,7 +1019,7 @@ define void @masked_gather_32b_scaled_sext_f32(<32 x float>* %a, <32 x i32>* %b,
 ; VBITS_GE_2048-NEXT:    ld1sw { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [x2, z1.d, lsl #2]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1066,8 +1066,8 @@ define void @masked_gather_32b_scaled_zext(<32 x half>* %a, <32 x i32>* %b, half
 ; VBITS_GE_2048-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [x2, z0.d, lsl #1]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1094,8 +1094,8 @@ define void @masked_gather_32b_unscaled_sext(<32 x half>* %a, <32 x i32>* %b, i8
 ; VBITS_GE_2048-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_2048-NEXT:    ld1sw { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [x2, z0.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1123,8 +1123,8 @@ define void @masked_gather_32b_unscaled_zext(<32 x half>* %a, <32 x i32>* %b, i8
 ; VBITS_GE_2048-NEXT:    fcmeq p2.h, p0/z, z0.h, #0.0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    mov z1.h, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    ld1h { z0.d }, p1/z, [x2, z0.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1151,7 +1151,7 @@ define void @masked_gather_64b_scaled(<32 x float>* %a, <32 x i64>* %b, float* %
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [x2, z1.d, lsl #2]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1175,7 +1175,7 @@ define void @masked_gather_64b_unscaled(<32 x float>* %a, <32 x i64>* %b, i8* %b
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [x2, z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1203,7 +1203,7 @@ define void @masked_gather_vec_plus_reg(<32 x float>* %a, <32 x i8*>* %b, i64 %o
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    add z1.d, p1/m, z1.d, z2.d
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1231,7 +1231,7 @@ define void @masked_gather_vec_plus_imm(<32 x float>* %a, <32 x i8*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    add z1.d, p1/m, z1.d, z2.d
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s
@@ -1256,7 +1256,7 @@ define void @masked_gather_passthru(<32 x float>* %a, <32 x float*>* %b, <32 x f
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.s }, p0/z, [x2]
 ; VBITS_GE_2048-NEXT:    ld1w { z1.d }, p1/z, [z1.d]
@@ -1282,7 +1282,7 @@ define void @masked_gather_passthru_0(<32 x float>* %a, <32 x float*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    ld1d { z1.d }, p1/z, [x1]
 ; VBITS_GE_2048-NEXT:    fcmeq p2.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    mov z0.s, p2/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
+; VBITS_GE_2048-NEXT:    sunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    cmpne p1.d, p1/z, z0.d, #0
 ; VBITS_GE_2048-NEXT:    ld1w { z0.d }, p1/z, [z1.d]
 ; VBITS_GE_2048-NEXT:    uzp1 z0.s, z0.s, z0.s

diff  --git a/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll b/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll
index f6a3955ad5c99..9b09189952968 100644
--- a/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll
+++ b/llvm/test/CodeGen/AArch64/sve-fixed-length-masked-scatter.ll
@@ -35,7 +35,7 @@ define void @masked_scatter_v2i8(<2 x i8>* %a, <2 x i8*>* %b) #0 {
 ; CHECK-NEXT:    mov v0.s[1], w8
 ; CHECK-NEXT:    cmeq v1.2s, v0.2s, #0
 ; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
-; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
+; CHECK-NEXT:    sshll v1.2d, v1.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; CHECK-NEXT:    st1b { z0.d }, p0, [z2.d]
 ; CHECK-NEXT:    ret
@@ -56,8 +56,8 @@ define void @masked_scatter_v4i8(<4 x i8>* %a, <4 x i8*>* %b) #0 {
 ; CHECK-NEXT:    cmeq v2.4h, v0.4h, #0
 ; CHECK-NEXT:    uunpklo z0.s, z0.h
 ; CHECK-NEXT:    uunpklo z0.d, z0.s
-; CHECK-NEXT:    uunpklo z2.s, z2.h
-; CHECK-NEXT:    uunpklo z2.d, z2.s
+; CHECK-NEXT:    sunpklo z2.s, z2.h
+; CHECK-NEXT:    sunpklo z2.d, z2.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; CHECK-NEXT:    st1b { z0.d }, p0, [z1.d]
 ; CHECK-NEXT:    ret
@@ -88,10 +88,10 @@ define void @masked_scatter_v8i8(<8 x i8>* %a, <8 x i8*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_EQ_256-NEXT:    sshr v2.4h, v2.4h, #8
 ; VBITS_EQ_256-NEXT:    sshr v1.4h, v1.4h, #8
-; VBITS_EQ_256-NEXT:    uunpklo z2.s, z2.h
-; VBITS_EQ_256-NEXT:    uunpklo z1.s, z1.h
-; VBITS_EQ_256-NEXT:    uunpklo z2.d, z2.s
-; VBITS_EQ_256-NEXT:    uunpklo z1.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z2.s, z2.h
+; VBITS_EQ_256-NEXT:    sunpklo z1.s, z1.h
+; VBITS_EQ_256-NEXT:    sunpklo z2.d, z2.s
+; VBITS_EQ_256-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p0/z, z2.d, #0
 ; VBITS_EQ_256-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; VBITS_EQ_256-NEXT:    uunpklo z1.s, z5.h
@@ -109,9 +109,9 @@ define void @masked_scatter_v8i8(<8 x i8>* %a, <8 x i8*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    uunpklo z0.h, z0.b
 ; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_512-NEXT:    uunpklo z2.h, z2.b
-; VBITS_GE_512-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_512-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_512-NEXT:    sunpklo z2.h, z2.b
+; VBITS_GE_512-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_512-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; VBITS_GE_512-NEXT:    st1b { z0.d }, p0, [z1.d]
 ; VBITS_GE_512-NEXT:    ret
@@ -132,9 +132,9 @@ define void @masked_scatter_v16i8(<16 x i8>* %a, <16 x i8*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    uunpklo z0.h, z0.b
 ; VBITS_GE_1024-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_1024-NEXT:    uunpklo z2.h, z2.b
-; VBITS_GE_1024-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_1024-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_1024-NEXT:    sunpklo z2.h, z2.b
+; VBITS_GE_1024-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_1024-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; VBITS_GE_1024-NEXT:    st1b { z0.d }, p0, [z1.d]
 ; VBITS_GE_1024-NEXT:    ret
@@ -156,10 +156,10 @@ define void @masked_scatter_v32i8(<32 x i8>* %a, <32 x i8*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    uunpklo z0.h, z0.b
 ; VBITS_GE_2048-NEXT:    mov z1.b, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.h, z1.b
+; VBITS_GE_2048-NEXT:    sunpklo z1.h, z1.b
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z1.s, z1.h
-; VBITS_GE_2048-NEXT:    uunpklo z1.d, z1.s
+; VBITS_GE_2048-NEXT:    sunpklo z1.s, z1.h
+; VBITS_GE_2048-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z1.d, #0
 ; VBITS_GE_2048-NEXT:    st1b { z0.d }, p0, [z2.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -185,7 +185,7 @@ define void @masked_scatter_v2i16(<2 x i16>* %a, <2 x i16*>* %b) #0 {
 ; CHECK-NEXT:    mov v0.s[1], w8
 ; CHECK-NEXT:    cmeq v1.2s, v0.2s, #0
 ; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
-; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
+; CHECK-NEXT:    sshll v1.2d, v1.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; CHECK-NEXT:    st1h { z0.d }, p0, [z2.d]
 ; CHECK-NEXT:    ret
@@ -205,8 +205,8 @@ define void @masked_scatter_v4i16(<4 x i16>* %a, <4 x i16*>* %b) #0 {
 ; CHECK-NEXT:    cmeq v2.4h, v0.4h, #0
 ; CHECK-NEXT:    uunpklo z0.s, z0.h
 ; CHECK-NEXT:    uunpklo z0.d, z0.s
-; CHECK-NEXT:    uunpklo z2.s, z2.h
-; CHECK-NEXT:    uunpklo z2.d, z2.s
+; CHECK-NEXT:    sunpklo z2.s, z2.h
+; CHECK-NEXT:    sunpklo z2.d, z2.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; CHECK-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; CHECK-NEXT:    ret
@@ -229,14 +229,14 @@ define void @masked_scatter_v8i16(<8 x i16>* %a, <8 x i16*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    ext v3.16b, v0.16b, v0.16b, #8
 ; VBITS_EQ_256-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
-; VBITS_EQ_256-NEXT:    uunpklo z2.s, z1.h
+; VBITS_EQ_256-NEXT:    sunpklo z2.s, z1.h
 ; VBITS_EQ_256-NEXT:    ext v1.16b, v1.16b, v1.16b, #8
-; VBITS_EQ_256-NEXT:    uunpklo z2.d, z2.s
+; VBITS_EQ_256-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p0/z, z2.d, #0
 ; VBITS_EQ_256-NEXT:    ld1d { z2.d }, p0/z, [x1]
 ; VBITS_EQ_256-NEXT:    uunpklo z3.s, z3.h
-; VBITS_EQ_256-NEXT:    uunpklo z1.s, z1.h
-; VBITS_EQ_256-NEXT:    uunpklo z1.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z1.s, z1.h
+; VBITS_EQ_256-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_EQ_256-NEXT:    st1h { z0.d }, p1, [z2.d]
 ; VBITS_EQ_256-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; VBITS_EQ_256-NEXT:    uunpklo z1.d, z3.s
@@ -251,8 +251,8 @@ define void @masked_scatter_v8i16(<8 x i16>* %a, <8 x i16*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    cmeq v2.8h, v0.8h, #0
 ; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_512-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_512-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_512-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_512-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; VBITS_GE_512-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_512-NEXT:    ret
@@ -274,8 +274,8 @@ define void @masked_scatter_v16i16(<16 x i16>* %a, <16 x i16*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_1024-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_1024-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_1024-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_1024-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_1024-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_1024-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_1024-NEXT:    ret
@@ -297,8 +297,8 @@ define void @masked_scatter_v32i16(<32 x i16>* %a, <32 x i16*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -321,7 +321,7 @@ define void @masked_scatter_v2i32(<2 x i32>* %a, <2 x i32*>* %b) #0 {
 ; CHECK-NEXT:    ldr q2, [x1]
 ; CHECK-NEXT:    cmeq v1.2s, v0.2s, #0
 ; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
-; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
+; CHECK-NEXT:    sshll v1.2d, v1.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; CHECK-NEXT:    st1w { z0.d }, p0, [z2.d]
 ; CHECK-NEXT:    ret
@@ -340,7 +340,7 @@ define void @masked_scatter_v4i32(<4 x i32>* %a, <4 x i32*>* %b) #0 {
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    cmeq v2.4s, v0.4s, #0
 ; CHECK-NEXT:    uunpklo z0.d, z0.s
-; CHECK-NEXT:    uunpklo z2.d, z2.s
+; CHECK-NEXT:    sunpklo z2.d, z2.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; CHECK-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; CHECK-NEXT:    ret
@@ -363,11 +363,11 @@ define void @masked_scatter_v8i32(<8 x i32>* %a, <8 x i32*>* %b) #0 {
 ; VBITS_EQ_256-NEXT:    ld1d { z4.d }, p1/z, [x1]
 ; VBITS_EQ_256-NEXT:    cmpeq p0.s, p0/z, z0.s, #0
 ; VBITS_EQ_256-NEXT:    mov z1.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_EQ_256-NEXT:    uunpklo z3.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z3.d, z1.s
 ; VBITS_EQ_256-NEXT:    ext z1.b, z1.b, z1.b, #16
 ; VBITS_EQ_256-NEXT:    cmpne p0.d, p1/z, z3.d, #0
 ; VBITS_EQ_256-NEXT:    uunpklo z3.d, z0.s
-; VBITS_EQ_256-NEXT:    uunpklo z1.d, z1.s
+; VBITS_EQ_256-NEXT:    sunpklo z1.d, z1.s
 ; VBITS_EQ_256-NEXT:    ext z0.b, z0.b, z0.b, #16
 ; VBITS_EQ_256-NEXT:    cmpne p1.d, p1/z, z1.d, #0
 ; VBITS_EQ_256-NEXT:    uunpklo z0.d, z0.s
@@ -384,7 +384,7 @@ define void @masked_scatter_v8i32(<8 x i32>* %a, <8 x i32*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    cmpeq p0.s, p0/z, z0.s, #0
 ; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_512-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_512-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_512-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_512-NEXT:    ret
@@ -405,7 +405,7 @@ define void @masked_scatter_v16i32(<16 x i32>* %a, <16 x i32*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    cmpeq p0.s, p0/z, z0.s, #0
 ; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_1024-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_1024-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_1024-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_1024-NEXT:    ret
@@ -426,7 +426,7 @@ define void @masked_scatter_v32i32(<32 x i32>* %a, <32 x i32*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    cmpeq p0.s, p0/z, z0.s, #0
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -582,8 +582,8 @@ define void @masked_scatter_v2f16(<2 x half>* %a, <2 x half*>* %b) #0 {
 ; CHECK-NEXT:    mov v0.h[1], w9
 ; CHECK-NEXT:    shl v0.4h, v0.4h, #15
 ; CHECK-NEXT:    sshr v0.4h, v0.4h, #15
-; CHECK-NEXT:    uunpklo z0.s, z0.h
-; CHECK-NEXT:    uunpklo z0.d, z0.s
+; CHECK-NEXT:    sunpklo z0.s, z0.h
+; CHECK-NEXT:    sunpklo z0.d, z0.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z0.d, #0
 ; CHECK-NEXT:    uunpklo z0.d, z1.s
 ; CHECK-NEXT:    st1h { z0.d }, p0, [z2.d]
@@ -604,8 +604,8 @@ define void @masked_scatter_v4f16(<4 x half>* %a, <4 x half*>* %b) #0 {
 ; CHECK-NEXT:    fcmeq v2.4h, v0.4h, #0.0
 ; CHECK-NEXT:    uunpklo z0.s, z0.h
 ; CHECK-NEXT:    uunpklo z0.d, z0.s
-; CHECK-NEXT:    uunpklo z2.s, z2.h
-; CHECK-NEXT:    uunpklo z2.d, z2.s
+; CHECK-NEXT:    sunpklo z2.s, z2.h
+; CHECK-NEXT:    sunpklo z2.d, z2.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; CHECK-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; CHECK-NEXT:    ret
@@ -625,8 +625,8 @@ define void @masked_scatter_v8f16(<8 x half>* %a, <8 x half*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    fcmeq v2.8h, v0.8h, #0.0
 ; VBITS_GE_512-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_512-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_512-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_512-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_512-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; VBITS_GE_512-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_512-NEXT:    ret
@@ -648,8 +648,8 @@ define void @masked_scatter_v16f16(<16 x half>* %a, <16 x half*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_1024-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_1024-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_1024-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_1024-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_1024-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_1024-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_1024-NEXT:    ret
@@ -671,8 +671,8 @@ define void @masked_scatter_v32f16(<32 x half>* %a, <32 x half*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -695,7 +695,7 @@ define void @masked_scatter_v2f32(<2 x float>* %a, <2 x float*>* %b) #0 {
 ; CHECK-NEXT:    ldr q2, [x1]
 ; CHECK-NEXT:    fcmeq v1.2s, v0.2s, #0.0
 ; CHECK-NEXT:    ushll v0.2d, v0.2s, #0
-; CHECK-NEXT:    ushll v1.2d, v1.2s, #0
+; CHECK-NEXT:    sshll v1.2d, v1.2s, #0
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z1.d, #0
 ; CHECK-NEXT:    st1w { z0.d }, p0, [z2.d]
 ; CHECK-NEXT:    ret
@@ -714,7 +714,7 @@ define void @masked_scatter_v4f32(<4 x float>* %a, <4 x float*>* %b) #0 {
 ; CHECK-NEXT:    ld1d { z1.d }, p0/z, [x1]
 ; CHECK-NEXT:    fcmeq v2.4s, v0.4s, #0.0
 ; CHECK-NEXT:    uunpklo z0.d, z0.s
-; CHECK-NEXT:    uunpklo z2.d, z2.s
+; CHECK-NEXT:    sunpklo z2.d, z2.s
 ; CHECK-NEXT:    cmpne p0.d, p0/z, z2.d, #0
 ; CHECK-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; CHECK-NEXT:    ret
@@ -735,7 +735,7 @@ define void @masked_scatter_v8f32(<8 x float>* %a, <8 x float*>* %b) #0 {
 ; VBITS_GE_512-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_512-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_512-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_512-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_512-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_512-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_512-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_512-NEXT:    ret
@@ -756,7 +756,7 @@ define void @masked_scatter_v16f32(<16 x float>* %a, <16 x float*>* %b) #0 {
 ; VBITS_GE_1024-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_1024-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_1024-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_1024-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_1024-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_1024-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_1024-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_1024-NEXT:    ret
@@ -777,7 +777,7 @@ define void @masked_scatter_v32f32(<32 x float>* %a, <32 x float*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -908,8 +908,8 @@ define void @masked_scatter_32b_scaled_sext_f16(<32 x half>* %a, <32 x i32>* %b,
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [x2, z1.d, lsl #1]
 ; VBITS_GE_2048-NEXT:    ret
@@ -933,7 +933,7 @@ define void @masked_scatter_32b_scaled_sext_f32(<32 x float>* %a, <32 x i32>* %b
 ; VBITS_GE_2048-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [x2, z1.d, lsl #2]
 ; VBITS_GE_2048-NEXT:    ret
@@ -977,8 +977,8 @@ define void @masked_scatter_32b_scaled_zext(<32 x half>* %a, <32 x i32>* %b, hal
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [x2, z1.d, lsl #1]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1003,8 +1003,8 @@ define void @masked_scatter_32b_unscaled_sext(<32 x half>* %a, <32 x i32>* %b, i
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [x2, z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1030,8 +1030,8 @@ define void @masked_scatter_32b_unscaled_zext(<32 x half>* %a, <32 x i32>* %b, i
 ; VBITS_GE_2048-NEXT:    uunpklo z0.s, z0.h
 ; VBITS_GE_2048-NEXT:    mov z2.h, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.s, z2.h
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.s, z2.h
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1h { z0.d }, p0, [x2, z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1055,7 +1055,7 @@ define void @masked_scatter_64b_scaled(<32 x float>* %a, <32 x i64>* %b, float*
 ; VBITS_GE_2048-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [x2, z1.d, lsl #2]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1077,7 +1077,7 @@ define void @masked_scatter_64b_unscaled(<32 x float>* %a, <32 x i64>* %b, i8* %
 ; VBITS_GE_2048-NEXT:    fcmeq p0.s, p0/z, z0.s, #0.0
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
 ; VBITS_GE_2048-NEXT:    mov z2.s, p0/z, #-1 // =0xffffffffffffffff
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z2.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z2.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [x2, z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1103,7 +1103,7 @@ define void @masked_scatter_vec_plus_reg(<32 x float>* %a, <32 x i8*>* %b, i64 %
 ; VBITS_GE_2048-NEXT:    add z1.d, p1/m, z1.d, z2.d
 ; VBITS_GE_2048-NEXT:    mov z3.s, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z3.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z3.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret
@@ -1129,7 +1129,7 @@ define void @masked_scatter_vec_plus_imm(<32 x float>* %a, <32 x i8*>* %b) #0 {
 ; VBITS_GE_2048-NEXT:    add z1.d, p1/m, z1.d, z2.d
 ; VBITS_GE_2048-NEXT:    mov z3.s, p0/z, #-1 // =0xffffffffffffffff
 ; VBITS_GE_2048-NEXT:    uunpklo z0.d, z0.s
-; VBITS_GE_2048-NEXT:    uunpklo z2.d, z3.s
+; VBITS_GE_2048-NEXT:    sunpklo z2.d, z3.s
 ; VBITS_GE_2048-NEXT:    cmpne p0.d, p1/z, z2.d, #0
 ; VBITS_GE_2048-NEXT:    st1w { z0.d }, p0, [z1.d]
 ; VBITS_GE_2048-NEXT:    ret


        


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