PPC/s390: [wasm-relaxed-simd] Add relaxed trunc opcodes in Liftoff

Port 3ac47847

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

Change-Id: I06a988b81c4fb711784fee5a700a51858ee5fbbc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3673193Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80820}

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

@@ -1775,6 +1775,26 @@ void LiftoffAssembler::emit_i8x16_relaxed_swizzle(LiftoffRegister dst,
   bailout(kSimd, "emit_i8x16_relaxed_swizzle");
 }
 
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_s(LiftoffRegister dst,
+                                                        LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f32x4_s");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_u(LiftoffRegister dst,
+                                                        LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f32x4_u");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_s_zero(
+    LiftoffRegister dst, LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f64x2_s_zero");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_u_zero(
+    LiftoffRegister dst, LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f64x2_u_zero");
+}
+
 void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,
                                                     LiftoffRegister src1,
                                                     LiftoffRegister src2,

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

@@ -2731,6 +2731,26 @@ void LiftoffAssembler::emit_i8x16_relaxed_swizzle(LiftoffRegister dst,
   bailout(kSimd, "emit_i8x16_relaxed_swizzle");
 }
 
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_s(LiftoffRegister dst,
+                                                        LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f32x4_s");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f32x4_u(LiftoffRegister dst,
+                                                        LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f32x4_u");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_s_zero(
+    LiftoffRegister dst, LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f64x2_s_zero");
+}
+
+void LiftoffAssembler::emit_i32x4_relaxed_trunc_f64x2_u_zero(
+    LiftoffRegister dst, LiftoffRegister src) {
+  bailout(kSimd, "emit_i32x4_relaxed_trunc_f64x2_u_zero");
+}
+
 void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,
                                                     LiftoffRegister src1,
                                                     LiftoffRegister src2,