src/cpu/ppc/vm/macroAssembler_ppc.hpp

rev 8631 : 8130654: ppc: implement MultiplyToLen intrinsic
Contributed-by: Peter.Januschke@sap.com

@@ -675,10 +675,35 @@
                           Register tmp1_reg, Register tmp2_reg, Register tmp3_reg, Register tmp4_reg,
                           Register tmp5_reg);
   void char_arrays_equalsImm(Register str1_reg, Register str2_reg, int cntval, Register result_reg,
                              Register tmp1_reg, Register tmp2_reg);
 
+  // Emitters for BigInteger.multiplyToLen intrinsic.
+  inline void multiply64(Register dest_hi, Register dest_lo,
+                         Register x, Register y);
+  void add2_with_carry(Register dest_hi, Register dest_lo,
+                       Register src1, Register src2);
+  void multiply_64_x_64_loop(Register x, Register xstart, Register x_xstart,
+                             Register y, Register y_idx, Register z,
+                             Register carry, Register product_high, Register product,
+                             Register idx, Register kdx, Register tmp);
+  void multiply_add_128_x_128(Register x_xstart, Register y, Register z,
+                              Register yz_idx, Register idx, Register carry,
+                              Register product_high, Register product, Register tmp,
+                              int offset);
+  void multiply_128_x_128_loop(Register x_xstart,
+                               Register y, Register z,
+                               Register yz_idx, Register idx, Register carry,
+                               Register product_high, Register product,
+                               Register carry2, Register tmp);
+  void multiply_to_len(Register x, Register xlen,
+                       Register y, Register ylen,
+                       Register z, Register zlen,
+                       Register tmp1, Register tmp2, Register tmp3, Register tmp4, Register tmp5,
+                       Register tmp6, Register tmp7, Register tmp8, Register tmp9, Register tmp10,
+                       Register tmp11, Register tmp12, Register tmp13);
+
   //
   // Debugging
   //
 
   // assert on cr0