[maglev] Compare tagged values when comparing Smis

CompareSmiAndJumpIf should look at 32-bit values under pointer
compression, which means it should use CompareTaggedAndBranch on arm64.

Bug: v8:7700
Change-Id: I301bda7cdae11154314a0c2721de279aaebd0fff
Fixed: chromium:1440723
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4553342
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#87791}

src/maglev/arm64/maglev-assembler-arm64-inl.h

@@ -765,7 +765,7 @@ inline void MaglevAssembler::CompareSmiAndJumpIf(Register r1, Smi value,
                                                  Condition cond, Label* target,
                                                  Label::Distance distance) {
   AssertSmi(r1);
-  CompareAndBranch(r1, Immediate(value), cond, target);
+  CompareTaggedAndBranch(r1, Immediate(value), cond, target);
 }
 
 inline void MaglevAssembler::TestInt32AndJumpIfAnySet(