+/// isARMArea1Register - Returns true if the register is a low register (r0-r7)
+/// or a stack/pc register that we should push/pop.
+static inline bool isARMArea1Register(unsigned Reg, bool isDarwin) {
+ using namespace ARM;
+ switch (Reg) {
+ case R0: case R1: case R2: case R3:
+ case R4: case R5: case R6: case R7:
+ case LR: case SP: case PC:
+ return true;
+ case R8: case R9: case R10: case R11:
+ // For darwin we want r7 and lr to be next to each other.
+ return !isDarwin;
+ default:
+ return false;
+ }
+}
+
+static inline bool isARMArea2Register(unsigned Reg, bool isDarwin) {
+ using namespace ARM;
+ switch (Reg) {
+ case R8: case R9: case R10: case R11:
+ // Darwin has this second area.
+ return isDarwin;
+ default:
+ return false;
+ }
+}
+
+static inline bool isARMArea3Register(unsigned Reg, bool isDarwin) {
+ using namespace ARM;
+ switch (Reg) {
+ case D15: case D14: case D13: case D12:
+ case D11: case D10: case D9: case D8:
+ return true;
+ default:
+ return false;
+ }
+}
+