[wasm][liftoff][arm64] Add saturated conversion float->int

Bug: v8:10520
Change-Id: I765201107b6cee20ad8591db57ac88fef5b3dbbe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2207534
Commit-Queue: Richard Stotz <rstz@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67899}

src/wasm/baseline/arm64/liftoff-assembler-arm64.h

@@ -959,28 +959,28 @@ bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode,
       return true;
     }
     case kExprI32SConvertSatF32:
-      bailout(kNonTrappingFloatToInt, "kExprI32SConvertSatF32");
+      Fcvtzs(dst.gp().W(), src.fp().S());
       return true;
     case kExprI32UConvertSatF32:
-      bailout(kNonTrappingFloatToInt, "kExprI32UConvertSatF32");
+      Fcvtzu(dst.gp().W(), src.fp().S());
       return true;
     case kExprI32SConvertSatF64:
-      bailout(kNonTrappingFloatToInt, "kExprI32SConvertSatF64");
+      Fcvtzs(dst.gp().W(), src.fp().D());
       return true;
     case kExprI32UConvertSatF64:
-      bailout(kNonTrappingFloatToInt, "kExprI32UConvertSatF64");
+      Fcvtzu(dst.gp().W(), src.fp().D());
       return true;
     case kExprI64SConvertSatF32:
-      bailout(kNonTrappingFloatToInt, "kExprI64SConvertSatF32");
+      Fcvtzs(dst.gp().X(), src.fp().S());
       return true;
     case kExprI64UConvertSatF32:
-      bailout(kNonTrappingFloatToInt, "kExprI64UConvertSatF32");
+      Fcvtzu(dst.gp().X(), src.fp().S());
       return true;
     case kExprI64SConvertSatF64:
-      bailout(kNonTrappingFloatToInt, "kExprI64SConvertSatF64");
+      Fcvtzs(dst.gp().X(), src.fp().D());
       return true;
     case kExprI64UConvertSatF64:
-      bailout(kNonTrappingFloatToInt, "kExprI64UConvertSatF64");
+      Fcvtzu(dst.gp().X(), src.fp().D());
       return true;
     case kExprI32ReinterpretF32:
       Fmov(dst.gp().W(), src.fp().S());