PPC/s390: [wasm-simd][arm] Implement i64x2.ne and i64x2 all_true

Port 257c303f

R=zhin@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
BUG=
LOG=N

Change-Id: I47fd3af2d1382ec12fcf64ca6eee72d3d41050bb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2685120Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#72608}

src/compiler/backend/ppc/instruction-selector-ppc.cc

@@ -2177,6 +2177,7 @@ void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
   V(I64x2Sub)              \
   V(I64x2Mul)              \
   V(I64x2Eq)               \
+  V(I64x2Ne)               \
   V(I32x4Add)              \
   V(I32x4AddHoriz)         \
   V(I32x4Sub)              \
@@ -2280,6 +2281,7 @@ void InstructionSelector::VisitInt64AbsWithOverflow(Node* node) {
   V(I16x8SConvertI8x16High) \
   V(I16x8UConvertI8x16Low)  \
   V(I16x8UConvertI8x16High) \
+  V(V64x2AllTrue)           \
   V(S128Not)
 
 #define SIMD_SHIFT_LIST(V) \

src/compiler/backend/s390/instruction-selector-s390.cc

@@ -2428,6 +2428,7 @@ void InstructionSelector::VisitWord64AtomicStore(Node* node) {
   V(I64x2ExtMulLowI32x4U)  \
   V(I64x2ExtMulHighI32x4U) \
   V(I16x8Q15MulRSatS)      \
+  V(I64x2Ne)               \
   V(I32x4Add)              \
   V(I32x4AddHoriz)         \
   V(I32x4Sub)              \
@@ -2540,6 +2541,7 @@ void InstructionSelector::VisitWord64AtomicStore(Node* node) {
   V(I8x16Neg)                \
   V(I8x16Abs)                \
   V(I8x16Popcnt)             \
+  V(V64x2AllTrue)            \
   V(S128Not)
 
 #define SIMD_SHIFT_LIST(V) \