[WASM SIMD] Implement horizontal add for float and integer types.

src/compiler/arm/instruction-scheduler-arm.cc

Index: src/compiler/arm/instruction-scheduler-arm.cc
diff --git a/src/compiler/arm/instruction-scheduler-arm.cc b/src/compiler/arm/instruction-scheduler-arm.cc
index 3d60a696b3305c7eaf08dd9900f6ba71e59e8a00..afe8892d32391d68cb87c5482ca35075d9d87811 100644
--- a/src/compiler/arm/instruction-scheduler-arm.cc
+++ b/src/compiler/arm/instruction-scheduler-arm.cc
@@ -118,6 +118,7 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kArmF32x4RecipApprox:
     case kArmF32x4RecipSqrtApprox:
     case kArmF32x4Add:
+    case kArmF32x4AddHoriz:
     case kArmF32x4Sub:
     case kArmF32x4Mul:
     case kArmF32x4Min:
@@ -136,6 +137,7 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kArmI32x4Shl:
     case kArmI32x4ShrS:
     case kArmI32x4Add:
+    case kArmI32x4AddHoriz:
     case kArmI32x4Sub:
     case kArmI32x4Mul:
     case kArmI32x4MinS:
@@ -163,6 +165,7 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kArmI16x8SConvertI32x4:
     case kArmI16x8Add:
     case kArmI16x8AddSaturateS:
+    case kArmI16x8AddHoriz:
     case kArmI16x8Sub:
     case kArmI16x8SubSaturateS:
     case kArmI16x8Mul: