PPC/s390: [wasm-simd][liftoff] Implement splat for i64x2, f64x2, i8x16 on x64 and ia32

Port 9245e3b4

R=zhiguo.zhou@intel.com, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Change-Id: I9a6358dfd2bfd69e421c85fe3bbf343e7aee3b8c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2081575Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#66564}

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

@@ -519,11 +519,21 @@ void LiftoffAssembler::emit_f64_set_cond(Condition cond, Register dst,
   bailout(kUnsupportedArchitecture, "emit_f64_set_cond");
 }
 
+void LiftoffAssembler::emit_f64x2_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_f64x2splat");
+}
+
 void LiftoffAssembler::emit_f32x4_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
   bailout(kUnsupportedArchitecture, "emit_f32x4_splat");
 }
 
+void LiftoffAssembler::emit_i64x2_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_i64x2splat");
+}
+
 void LiftoffAssembler::emit_i32x4_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
   bailout(kUnsupportedArchitecture, "emit_i32x4_splat");
@@ -531,7 +541,12 @@ void LiftoffAssembler::emit_i32x4_splat(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i16x8_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
-  bailout(kUnsupportedArchitecture, "i16x8splat");
+  bailout(kUnsupportedArchitecture, "emit_i16x8splat");
+}
+
+void LiftoffAssembler::emit_i8x16_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_i8x16splat");
 }
 
 void LiftoffAssembler::StackCheck(Label* ool_code, Register limit_address) {

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

@@ -523,11 +523,21 @@ void LiftoffAssembler::emit_f64_set_cond(Condition cond, Register dst,
   bailout(kUnsupportedArchitecture, "emit_f64_set_cond");
 }
 
+void LiftoffAssembler::emit_f64x2_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_f64x2splat");
+}
+
 void LiftoffAssembler::emit_f32x4_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
   bailout(kUnsupportedArchitecture, "emit_f32x4_splat");
 }
 
+void LiftoffAssembler::emit_i64x2_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_i64x2splat");
+}
+
 void LiftoffAssembler::emit_i32x4_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
   bailout(kUnsupportedArchitecture, "emit_i32x4_splat");
@@ -535,7 +545,12 @@ void LiftoffAssembler::emit_i32x4_splat(LiftoffRegister dst,
 
 void LiftoffAssembler::emit_i16x8_splat(LiftoffRegister dst,
                                         LiftoffRegister src) {
-  bailout(kUnsupportedArchitecture, "i16x8splat");
+  bailout(kUnsupportedArchitecture, "emit_i16x8splat");
+}
+
+void LiftoffAssembler::emit_i8x16_splat(LiftoffRegister dst,
+                                        LiftoffRegister src) {
+  bailout(kUnsupportedArchitecture, "emit_i8x16splat");
 }
 
 void LiftoffAssembler::StackCheck(Label* ool_code, Register limit_address) {