centralize VECTORCALL as SK_VECTORCALL

include/core/SkPostConfig.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // IWYU pragma: private, include "SkTypes.h"
 
 #ifndef SkPostConfig_DEFINED
@@ skipping 60 matching lines @@
 
 // As usual, there are two ways to increase alignment... the MSVC way and the everyone-else way.
 #ifndef SK_STRUCT_ALIGN
     #ifdef _MSC_VER
         #define SK_STRUCT_ALIGN(N) __declspec(align(N))
     #else
         #define SK_STRUCT_ALIGN(N) __attribute__((aligned(N)))
     #endif
 #endif
 
+#if defined(_MSC_VER) && SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
+    #define SK_VECTORCALL __vectorcall
+#elif defined(SK_CPU_ARM32) && defined(SK_ARM_HAS_NEON)
+    #define SK_VECTORCALL __attribute__((pcs("aapcs-vfp")))
+#else
+    #define SK_VECTORCALL
+#endif
+
 #if !defined(SK_SUPPORT_GPU)
 #  define SK_SUPPORT_GPU 1
 #endif
 
 /**
  * The clang static analyzer likes to know that when the program is not
  * expected to continue (crash, assertion failure, etc). It will notice that
  * some combination of parameters lead to a function call that does not return.
  * It can then make appropriate assumptions about the parameters in code
  * executed only if the non-returning function was *not* called.
@@ skipping 243 matching lines @@
 
 #ifndef SK_HISTOGRAM_BOOLEAN
 #  define SK_HISTOGRAM_BOOLEAN(name, value)
 #endif
 
 #ifndef SK_HISTOGRAM_ENUMERATION
 #  define SK_HISTOGRAM_ENUMERATION(name, value, boundary_value)
 #endif
 
 #endif // SkPostConfig_DEFINED