src/cpu/ppc/vm/macroAssembler_ppc.hpp

rev 13437 : Implement SHA256 and SHA512 intrinsics for PPC64

Sample run reduced 6.5s run to 2.8s for SHA256.

@@ -859,10 +859,47 @@
   void kernel_crc32_singleByte(Register crc, Register buf, Register len, Register table, Register tmp,
                                bool invertCRC);
   void kernel_crc32_singleByteReg(Register crc, Register val, Register table,
                                   bool invertCRC);
 
+  // SHA-2 auxiliary functions and public interfaces
+ private:
+  void sha256_deque(const VectorRegister& src,
+      const VectorRegister& dst1, const VectorRegister& dst2, const VectorRegister& dst3);
+  void sha256_load_h_vec(const VectorRegister& a, const VectorRegister& b,
+      const VectorRegister& c, const VectorRegister& d, const VectorRegister& e,
+      const VectorRegister& f, const VectorRegister& g, const VectorRegister& h,
+      const Register& hptr);
+  void sha256_round(const VectorRegister* hs, const int total_hs, int& h_cnt, const VectorRegister& kpw);
+  void sha256_load_w_plus_k_vec(const Register& buf_in, const VectorRegister* ws,
+      const int total_ws, const Register& k, const VectorRegister* kpws,
+      const int total_kpws);
+  void sha256_calc_4w(const VectorRegister& w0, const VectorRegister& w1,
+      const VectorRegister& w2, const VectorRegister& w3, const VectorRegister& kpw0,
+      const VectorRegister& kpw1, const VectorRegister& kpw2, const VectorRegister& kpw3,
+      const Register& j, const Register& k);
+  void sha256_update_sha_state(const VectorRegister& a, const VectorRegister& b,
+      const VectorRegister& c, const VectorRegister& d, const VectorRegister& e,
+      const VectorRegister& f, const VectorRegister& g, const VectorRegister& h,
+      const Register& hptr);
+
+  void sha512_load_w_vec(const Register& buf_in, const VectorRegister* ws, const int total_ws);
+  void sha512_update_sha_state(const Register& state, const VectorRegister* hs, const int total_hs);
+  void sha512_round(const VectorRegister* hs, const int total_hs, int& h_cnt, const VectorRegister& kpw);
+  void sha512_load_h_vec(const Register& state, const VectorRegister* hs, const int total_hs);
+  void sha512_calc_2w(const VectorRegister& w0, const VectorRegister& w1,
+      const VectorRegister& w2, const VectorRegister& w3,
+      const VectorRegister& w4, const VectorRegister& w5,
+      const VectorRegister& w6, const VectorRegister& w7,
+      const VectorRegister& kpw0, const VectorRegister& kpw1, const Register& j,
+      const VectorRegister& vRb, const Register& k);
+
+ public:
+  void sha256(bool multi_block);
+  void sha512(bool multi_block);
+
+
   //
   // Debugging
   //
 
   // assert on cr0