feat: unlikely ic prop offset search

Author: ErosZy

.gitignore

@@ -3,7 +3,8 @@ bin
 .idea
 .vscode
 lib
-cmake-build-debug
+cmake-build-*
+perf.*
 build
 *.expand
 *.svg

src/core/ic.h

@@ -51,14 +51,13 @@ force_inline int32_t get_ic_prop_offset(InlineCache *ic, uint32_t cache_offset,
     }
 
     i = (i + 1) % IC_CACHE_ITEM_CAPACITY;
-    if (i == cr->index) {
+    if (unlikely(i == cr->index)) {
       break;
     }
   }
 
   return -1;
 }
-
 force_inline JSAtom get_ic_atom(InlineCache *ic, uint32_t cache_offset) {
   assert(cache_offset < ic->capacity);
   return ic->cache[cache_offset].atom;

src/core/object.c

@@ -551,9 +551,9 @@ force_inline JSValue JS_GetPropertyInternalWithIC(JSContext *ctx, JSValueConst o
     goto slow_path;
   p = JS_VALUE_GET_OBJ(obj);
   offset = get_ic_prop_offset(ic, offset, p->shape);
-  if (offset >= 0)
-    return JS_DupValue(ctx,  p->prop[offset].u.value);
-slow_path:  
+  if (likely(offset >= 0))
+    return JS_DupValue(ctx, p->prop[offset].u.value);
+slow_path:
   return JS_GetPropertyInternal(ctx, obj, prop, this_obj, ic, throw_ref_error);      
 }