ART: Convert pointer size to enum

Move away from size_t to dedicated enum (class).

Bug: 30373134
Bug: 30419309
Test: m test-art-host
Change-Id: Id453c330f1065012e7d4f9fc24ac477cc9bb9269
diff --git a/compiler/optimizing/intrinsics_mips.cc b/compiler/optimizing/intrinsics_mips.cc
index 0bfa025..9449f79 100644
--- a/compiler/optimizing/intrinsics_mips.cc
+++ b/compiler/optimizing/intrinsics_mips.cc
@@ -1899,8 +1899,7 @@
   __ LoadFromOffset(kLoadWord,
                     T9,
                     TR,
-                    QUICK_ENTRYPOINT_OFFSET(kMipsWordSize,
-                                            pStringCompareTo).Int32Value());
+                    QUICK_ENTRYPOINT_OFFSET(kMipsPointerSize, pStringCompareTo).Int32Value());
   __ Jalr(T9);
   __ Nop();
   __ Bind(slow_path->GetExitLabel());
@@ -2059,7 +2058,7 @@
   __ LoadFromOffset(kLoadWord,
                     T9,
                     TR,
-                    QUICK_ENTRYPOINT_OFFSET(kMipsWordSize, pIndexOf).Int32Value());
+                    QUICK_ENTRYPOINT_OFFSET(kMipsPointerSize, pIndexOf).Int32Value());
   __ Jalr(T9);
   __ Nop();
 
@@ -2145,7 +2144,7 @@
   __ LoadFromOffset(kLoadWord,
                     T9,
                     TR,
-                    QUICK_ENTRYPOINT_OFFSET(kMipsWordSize, pAllocStringFromBytes).Int32Value());
+                    QUICK_ENTRYPOINT_OFFSET(kMipsPointerSize, pAllocStringFromBytes).Int32Value());
   __ Jalr(T9);
   __ Nop();
   codegen_->RecordPcInfo(invoke, invoke->GetDexPc());
@@ -2178,7 +2177,7 @@
   __ LoadFromOffset(kLoadWord,
                     T9,
                     TR,
-                    QUICK_ENTRYPOINT_OFFSET(kMipsWordSize, pAllocStringFromChars).Int32Value());
+                    QUICK_ENTRYPOINT_OFFSET(kMipsPointerSize, pAllocStringFromChars).Int32Value());
   __ Jalr(T9);
   __ Nop();
   codegen_->RecordPcInfo(invoke, invoke->GetDexPc());
@@ -2207,7 +2206,7 @@
   __ LoadFromOffset(kLoadWord,
                     T9,
                     TR,
-                    QUICK_ENTRYPOINT_OFFSET(kMipsWordSize, pAllocStringFromString).Int32Value());
+                    QUICK_ENTRYPOINT_OFFSET(kMipsPointerSize, pAllocStringFromString).Int32Value());
   __ Jalr(T9);
   __ Nop();
   codegen_->RecordPcInfo(invoke, invoke->GetDexPc());