[cleanup] Add undefs for macros

Bug: v8:10115
Change-Id: If2ef0cd4bef9805dce3c9486d91385d0d40189fb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2044650Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66181}

src/compiler/backend/ia32/code-generator-ia32.cc

@@ -4996,6 +4996,7 @@ void CodeGenerator::AssembleJumpTable(Label** targets, size_t target_count) {
 #undef ASSEMBLE_SIMD_PUNPCK_SHUFFLE
 #undef ASSEMBLE_SIMD_IMM_SHUFFLE
 #undef ASSEMBLE_SIMD_ALL_TRUE
+#undef ASSEMBLE_SIMD_SHIFT
 
 }  // namespace compiler
 }  // namespace internal

src/compiler/backend/x64/code-generator-x64.cc

@@ -4120,6 +4120,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
 #undef ASSEMBLE_SIMD_PUNPCK_SHUFFLE
 #undef ASSEMBLE_SIMD_IMM_SHUFFLE
 #undef ASSEMBLE_SIMD_ALL_TRUE
+#undef ASSEMBLE_SIMD_SHIFT
 
 namespace {