PPC/s390: Reland "[wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing"

Port 6f48b7b3

Original Commit Message:

    This is a reland of b0bcedcc
    Changes:
    - Consistently use int32_t for max_steps and nondeterminism
    - Skip SIMD tests on architectures that don't support it

    Original change's description:
    > [wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing
    >
    > R=clemensb@chromium.org
    >
    > Bug: v8:11856
    > Change-Id: I9764e3e2944690ed0883afdab20afd47fdd4acfa
    > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979605
    > Reviewed-by: Clemens Backes <clemensb@chromium.org>
    > Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
    > Cr-Commit-Position: refs/heads/master@{#75512}

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

Change-Id: I5d0281bb9668c22d9d068fdf95bc80404b982744
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3006474Reviewed-by: Junliang Yan <junyan@redhat.com>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/master@{#75564}

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

@@ -2326,6 +2326,13 @@ void LiftoffAssembler::emit_set_if_nan(Register dst, DoubleRegister src,
   UNIMPLEMENTED();
 }
 
+void LiftoffAssembler::emit_s128_set_if_nan(Register dst, DoubleRegister src,
+                                            Register tmp_gp,
+                                            DoubleRegister tmp_fp,
+                                            ValueKind lane_kind) {
+  UNIMPLEMENTED();
+}
+
 void LiftoffStackSlots::Construct(int param_slots) {
   asm_->bailout(kUnsupportedArchitecture, "LiftoffStackSlots::Construct");
 }

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

@@ -3463,6 +3463,13 @@ void LiftoffAssembler::emit_set_if_nan(Register dst, DoubleRegister src,
   UNIMPLEMENTED();
 }
 
+void LiftoffAssembler::emit_s128_set_if_nan(Register dst, DoubleRegister src,
+                                            Register tmp_gp,
+                                            DoubleRegister tmp_fp,
+                                            ValueKind lane_kind) {
+  UNIMPLEMENTED();
+}
+
 void LiftoffStackSlots::Construct(int param_slots) {
   DCHECK_LT(0, slots_.size());
   SortInPushOrder();