PPC/S390 [liftoff]: check input type of i32_cond_jumpi

emitted comparison differs depending on the input type (signed
or unsigned).

This patch is needed to fix test failures after this CL:
https://crrev.com/c/3172765.

Change-Id: If709920d609c94dd3fa5abf14e509978bd7b40ff
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3178970Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Fa <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#77018}

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

@@ -1332,8 +1332,13 @@ void LiftoffAssembler::emit_cond_jump(LiftoffCondition liftoff_cond,
 void LiftoffAssembler::emit_i32_cond_jumpi(LiftoffCondition liftoff_cond,
                                            Label* label, Register lhs,
                                            int32_t imm) {
+  bool use_signed = liftoff::UseSignedOp(liftoff_cond);
   Condition cond = liftoff::ToCondition(liftoff_cond);
-  CmpS32(lhs, Operand(imm), r0);
+  if (use_signed) {
+    CmpS32(lhs, Operand(imm), r0);
+  } else {
+    CmpU32(lhs, Operand(imm), r0);
+  }
   b(cond, label);
 }
 

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

@@ -2057,8 +2057,13 @@ void LiftoffAssembler::emit_cond_jump(LiftoffCondition liftoff_cond,
 void LiftoffAssembler::emit_i32_cond_jumpi(LiftoffCondition liftoff_cond,
                                            Label* label, Register lhs,
                                            int32_t imm) {
+  bool use_signed = liftoff::UseSignedOp(liftoff_cond);
   Condition cond = liftoff::ToCondition(liftoff_cond);
-  CmpS32(lhs, Operand(imm));
+  if (use_signed) {
+    CmpS32(lhs, Operand(imm));
+  } else {
+    CmpU32(lhs, Operand(imm));
+  }
   b(cond, label);
 }