fixup! [builtins] Refactor cpu_model support to reduce #if nesting. NFCI

Author: jroelofs

compiler-rt/lib/builtins/cpu_model/aarch64/fmv/android.inc

@@ -25,9 +25,12 @@ void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
   if (__isExynos9810())
     return;
 
+  unsgined long hwcap = getauxval(AT_HWCAP);
+  unsigned long hwcap2 = getauxval(AT_HWCAP2);
+
   __ifunc_arg_t arg;
   arg._size = sizeof(__ifunc_arg_t);
-  arg._hwcap = getauxval(AT_HWCAP);
-  arg._hwcap2 = getauxval(AT_HWCAP2);
+  arg._hwcap = hwcap;
+  arg._hwcap2 = hwcap2;
   __init_cpu_features_constructor(hwcap | _IFUNC_ARG_HWCAP, &arg);
 }

compiler-rt/lib/builtins/cpu_model/aarch64/fmv/fuchsia.inc

@@ -11,9 +11,12 @@ void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
   if (__aarch64_cpu_features.features)
     return;
 
+  unsgined long hwcap = getauxval(AT_HWCAP);
+  unsigned long hwcap2 = getauxval(AT_HWCAP2);
+
   __ifunc_arg_t arg;
   arg._size = sizeof(__ifunc_arg_t);
-  arg._hwcap = getauxval(AT_HWCAP);
-  arg._hwcap2 = getauxval(AT_HWCAP2);
+  arg._hwcap = hwcap;
+  arg._hwcap2 = hwcap2;
   __init_cpu_features_constructor(hwcap | _IFUNC_ARG_HWCAP, &arg);
 }

compiler-rt/lib/builtins/cpu_model/aarch64/fmv/sysauxv.inc

@@ -9,9 +9,13 @@ void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
   // CPU features already initialized.
   if (__aarch64_cpu_features.features)
     return;
+
+  unsgined long hwcap = getauxval(AT_HWCAP);
+  unsigned long hwcap2 = getauxval(AT_HWCAP2);
+
   __ifunc_arg_t arg;
   arg._size = sizeof(__ifunc_arg_t);
-  arg._hwcap = getauxval(AT_HWCAP);
-  arg._hwcap2 = getauxval(AT_HWCAP2);
+  arg._hwcap = hwcap;
+  arg._hwcap2 = hwcap2;
   __init_cpu_features_constructor(hwcap | _IFUNC_ARG_HWCAP, &arg);
 }