PPC/s390: [wasm-relaxed-simd] Add liftoff min/max operations on Arm and Arm64

Port 0236d7b5

Original Commit Message:

    Instruction lowering on ARM uses pmin/pmax as there is no hardware support.
    More details here: https://github.com/WebAssembly/relaxed-simd/issues/33

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

Change-Id: Ifbee1c0485ae47939fc070121ed6e0abd01c3547
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3654562Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#80647}

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

@@ -1879,6 +1879,18 @@ void LiftoffAssembler::emit_f64x2_pmax(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kSimd, "pmax unimplemented");
 }
 
+void LiftoffAssembler::emit_f64x2_relaxed_min(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f64x2_relaxed_min");
+}
+
+void LiftoffAssembler::emit_f64x2_relaxed_max(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kSimd, "emit_f64x2_relaxed_max");
+}
+
 void LiftoffAssembler::emit_f64x2_convert_low_i32x4_s(LiftoffRegister dst,
                                                       LiftoffRegister src) {
   bailout(kSimd, "f64x2.convert_low_i32x4_s");
@@ -1981,6 +1993,18 @@ void LiftoffAssembler::emit_f32x4_max(LiftoffRegister dst, LiftoffRegister lhs,
   bailout(kUnsupportedArchitecture, "emit_f32x4max");
 }
 
+void LiftoffAssembler::emit_f32x4_relaxed_min(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f32x4_relaxed_min");
+}
+
+void LiftoffAssembler::emit_f32x4_relaxed_max(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f32x4_relaxed_max");
+}
+
 void LiftoffAssembler::emit_f32x4_pmin(LiftoffRegister dst, LiftoffRegister lhs,
                                        LiftoffRegister rhs) {
   bailout(kSimd, "pmin unimplemented");

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

@@ -2738,6 +2738,30 @@ void LiftoffAssembler::emit_s128_relaxed_laneselect(LiftoffRegister dst,
   bailout(kSimd, "emit_s128_relaxed_laneselect");
 }
 
+void LiftoffAssembler::emit_f64x2_relaxed_min(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f64x2_relaxed_min");
+}
+
+void LiftoffAssembler::emit_f64x2_relaxed_max(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f64x2_relaxed_max");
+}
+
+void LiftoffAssembler::emit_f32x4_relaxed_min(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f32x4_relaxed_min");
+}
+
+void LiftoffAssembler::emit_f32x4_relaxed_max(LiftoffRegister dst,
+                                              LiftoffRegister lhs,
+                                              LiftoffRegister rhs) {
+  bailout(kUnsupportedArchitecture, "emit_f32x4_relaxed_max");
+}
+
 void LiftoffAssembler::emit_f64x2_convert_low_i32x4_s(LiftoffRegister dst,
                                                       LiftoffRegister src) {
   F64x2ConvertLowI32x4S(dst.fp(), src.fp());