src/cpu/aarch64/vm/aarch64.ad

rev 8063 : 8075930: AARCH64: Use FP Register in C2

@@ -130,12 +130,12 @@
 reg_def R26_H   ( SOC, SOE, Op_RegI, 26, r26->as_VMReg()->next());
 reg_def R27     (  NS, SOE, Op_RegI, 27, r27->as_VMReg()        ); // heapbase
 reg_def R27_H   (  NS, SOE, Op_RegI, 27, r27->as_VMReg()->next());
 reg_def R28     (  NS, SOE, Op_RegI, 28, r28->as_VMReg()        ); // thread
 reg_def R28_H   (  NS, SOE, Op_RegI, 28, r28->as_VMReg()->next());
-reg_def R29     (  NS,  NS, Op_RegI, 29, r29->as_VMReg()        ); // fp
-reg_def R29_H   (  NS,  NS, Op_RegI, 29, r29->as_VMReg()->next());
+reg_def R29     (  NS, SOE, Op_RegI, 29, r29->as_VMReg()        ); // fp
+reg_def R29_H   (  NS, SOE, Op_RegI, 29, r29->as_VMReg()->next());
 reg_def R30     (  NS,  NS, Op_RegI, 30, r30->as_VMReg()        ); // lr
 reg_def R30_H   (  NS,  NS, Op_RegI, 30, r30->as_VMReg()->next());
 reg_def R31     (  NS,  NS, Op_RegI, 31, r31_sp->as_VMReg()     ); // sp
 reg_def R31_H   (  NS,  NS, Op_RegI, 31, r31_sp->as_VMReg()->next());
 

@@ -447,11 +447,11 @@
     R24,
     R25,
     R26
  /* R27, */                     // heapbase
  /* R28, */                     // thread
- /* R29, */                     // fp
+    R29,                        // fp
  /* R30, */                     // lr
  /* R31 */                      // sp
 );
 
 // Class for all non-special long integer registers

@@ -481,11 +481,11 @@
     R24, R24_H,
     R25, R25_H,
     R26, R26_H,
  /* R27, R27_H, */              // heapbase
  /* R28, R28_H, */              // thread
- /* R29, R29_H, */              // fp
+    R29, R29_H,                 // fp
  /* R30, R30_H, */              // lr
  /* R31, R31_H */               // sp
 );
 
 // Class for 64 bit register r0

@@ -1742,11 +1742,11 @@
   ShouldNotReachHere();
   return RegMask();
 }
 
 const RegMask Matcher::method_handle_invoke_SP_save_mask() {
-  return RegMask();
+  return FP_REG_mask();
 }
 
 // helper for encoding java_to_runtime calls on sim
 //
 // this is needed to compute the extra arguments required when