PPC/s390: [wasm-simd][liftoff][arm][arm64] Implement i8x16 shr

Port 99e4ef48

Original Commit Message:

    Only for arm and arm64 now. The ia32 and x64 ones are more complicated
    and will be included in subsequent changes.

R=zhin@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I3bcdae0d47d2e024cfb6e80ba460306ec5e2d434
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2205884Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#67874}

src/wasm/baseline/ppc/liftoff-assembler-ppc.h

@@ -986,6 +986,28 @@ void LiftoffAssembler::emit_i8x16_shli(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "i8x16_shli");
 }
 
+void LiftoffAssembler::emit_i8x16_shr_s(LiftoffRegister dst,
+                                        LiftoffRegister lhs,
+                                        LiftoffRegister rhs) {
+  bailout(kSimd, "i8x16_shr_s");
+}
+
+void LiftoffAssembler::emit_i8x16_shri_s(LiftoffRegister dst,
+                                         LiftoffRegister lhs, int32_t rhs) {
+  bailout(kSimd, "i8x16_shri_s");
+}
+
+void LiftoffAssembler::emit_i8x16_shr_u(LiftoffRegister dst,
+                                        LiftoffRegister lhs,
+                                        LiftoffRegister rhs) {
+  bailout(kSimd, "i8x16_shr_u");
+}
+
+void LiftoffAssembler::emit_i8x16_shri_u(LiftoffRegister dst,
+                                         LiftoffRegister lhs, int32_t rhs) {
+  bailout(kSimd, "i8x16_shri_u");
+}
+
 void LiftoffAssembler::emit_i8x16_extract_lane_s(LiftoffRegister dst,
                                                  LiftoffRegister lhs,
                                                  uint8_t imm_lane_idx) {

src/wasm/baseline/s390/liftoff-assembler-s390.h

@@ -996,6 +996,28 @@ void LiftoffAssembler::emit_i8x16_shli(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "i8x16_shli");
 }
 
+void LiftoffAssembler::emit_i8x16_shr_s(LiftoffRegister dst,
+                                        LiftoffRegister lhs,
+                                        LiftoffRegister rhs) {
+  bailout(kSimd, "i8x16_shr_s");
+}
+
+void LiftoffAssembler::emit_i8x16_shri_s(LiftoffRegister dst,
+                                         LiftoffRegister lhs, int32_t rhs) {
+  bailout(kSimd, "i8x16_shri_s");
+}
+
+void LiftoffAssembler::emit_i8x16_shr_u(LiftoffRegister dst,
+                                        LiftoffRegister lhs,
+                                        LiftoffRegister rhs) {
+  bailout(kSimd, "i8x16_shr_u");
+}
+
+void LiftoffAssembler::emit_i8x16_shri_u(LiftoffRegister dst,
+                                         LiftoffRegister lhs, int32_t rhs) {
+  bailout(kSimd, "i8x16_shri_u");
+}
+
 void LiftoffAssembler::emit_i8x16_add(LiftoffRegister dst, LiftoffRegister lhs,
                                       LiftoffRegister rhs) {
   bailout(kUnsupportedArchitecture, "emit_i8x16add");