--- old/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	2015-10-08 07:23:24.000000000 -1000
+++ new/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	2015-10-08 07:23:24.000000000 -1000
@@ -43,6 +43,9 @@
 #ifdef COMPILER2
 #include "opto/runtime.hpp"
 #endif
+#if INCLUDE_JVMCI
+#include "jvmci/jvmciJavaClasses.hpp"
+#endif
 
 #define __ masm->
 
@@ -158,23 +161,25 @@
 
 OopMap* RegisterSaver::save_live_registers(MacroAssembler* masm, int additional_frame_words, int* total_frame_words, bool save_vectors) {
   int vect_words = 0;
+  int ymmhi_offset = -1;
   int off = 0;
   int num_xmm_regs = XMMRegisterImpl::number_of_registers;
   if (UseAVX < 3) {
     num_xmm_regs = num_xmm_regs/2;
   }
-#ifdef COMPILER2
+#if defined(COMPILER2) || INCLUDE_JVMCI
   if (save_vectors) {
     assert(UseAVX > 0, "512bit vectors are supported only with EVEX");
     assert(MaxVectorSize == 64, "only 512bit vectors are supported now");
     // Save upper half of YMM registers
     vect_words = 16 * num_xmm_regs / wordSize;
     if (UseAVX < 3) {
+      ymmhi_offset = additional_frame_words;
       additional_frame_words += vect_words;
     }
   }
 #else
-  assert(!save_vectors, "vectors are generated only by C2");
+  assert(!save_vectors, "vectors are generated only by C2 and JVMCI");
 #endif
 
   // Always make the frame size 16-byte aligned
@@ -220,6 +225,7 @@
   OopMap* map = new OopMap(frame_size_in_slots, 0);
 
 #define STACK_OFFSET(x) VMRegImpl::stack2reg((x) + additional_frame_slots)
+#define YMMHI_STACK_OFFSET(x) VMRegImpl::stack2reg((x / VMRegImpl::stack_slot_size) + ymmhi_offset)
 
   map->set_callee_saved(STACK_OFFSET( rax_off ), rax->as_VMReg());
   map->set_callee_saved(STACK_OFFSET( rcx_off ), rcx->as_VMReg());
@@ -257,6 +263,28 @@
     }
   }
 
+#if defined(COMPILER2) || INCLUDE_JVMCI
+  if (save_vectors) {
+    assert(ymmhi_offset != -1, "save area must exist");
+    map->set_callee_saved(YMMHI_STACK_OFFSET(  0), xmm0->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 16), xmm1->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 32), xmm2->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 48), xmm3->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 64), xmm4->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 80), xmm5->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET( 96), xmm6->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(112), xmm7->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(128), xmm8->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(144), xmm9->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(160), xmm10->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(176), xmm11->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(192), xmm12->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(208), xmm13->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(224), xmm14->as_VMReg()->next(4));
+    map->set_callee_saved(YMMHI_STACK_OFFSET(240), xmm15->as_VMReg()->next(4));
+  }
+#endif // COMPILER2 || INCLUDE_JVMCI
+
   // %%% These should all be a waste but we'll keep things as they were for now
   if (true) {
     map->set_callee_saved(STACK_OFFSET( raxH_off ), rax->as_VMReg()->next());
@@ -307,7 +335,7 @@
     // Pop arg register save area
     __ addptr(rsp, frame::arg_reg_save_area_bytes);
   }
-#ifdef COMPILER2
+#if defined(COMPILER2) || INCLUDE_JVMCI
   // On EVEX enabled targets everything is handled in pop fpu state
   if ((restore_vectors) && (UseAVX < 3)) {
     assert(UseAVX > 0, "256/512-bit vectors are supported only with AVX");
@@ -320,7 +348,7 @@
     __ addptr(rsp, num_xmm_regs*16);
   }
 #else
-  assert(!restore_vectors, "vectors are generated only by C2");
+  assert(!restore_vectors, "vectors are generated only by C2 and JVMCI");
 #endif
   // Recover CPU state
   __ pop_CPU_state();
@@ -655,11 +683,11 @@
   __ bind(L_fail);
 }
 
-static void gen_i2c_adapter(MacroAssembler *masm,
-                            int total_args_passed,
-                            int comp_args_on_stack,
-                            const BasicType *sig_bt,
-                            const VMRegPair *regs) {
+void SharedRuntime::gen_i2c_adapter(MacroAssembler *masm,
+                                    int total_args_passed,
+                                    int comp_args_on_stack,
+                                    const BasicType *sig_bt,
+                                    const VMRegPair *regs) {
 
   // Note: r13 contains the senderSP on entry. We must preserve it since
   // we may do a i2c -> c2i transition if we lose a race where compiled
@@ -752,6 +780,18 @@
   // Pre-load the register-jump target early, to schedule it better.
   __ movptr(r11, Address(rbx, in_bytes(Method::from_compiled_offset())));
 
+#if INCLUDE_JVMCI
+  if (EnableJVMCI) {
+    // check if this call should be routed towards a specific entry point
+    __ cmpptr(Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), 0);
+    Label no_alternative_target;
+    __ jcc(Assembler::equal, no_alternative_target);
+    __ movptr(r11, Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())));
+    __ movptr(Address(r15_thread, in_bytes(JavaThread::jvmci_alternate_call_target_offset())), 0);
+    __ bind(no_alternative_target);
+  }
+#endif // INCLUDE_JVMCI
+
   // Now generate the shuffle code.  Pick up all register args and move the
   // rest through the floating point stack top.
   for (int i = 0; i < total_args_passed; i++) {
@@ -2685,7 +2725,13 @@
   // Allocate space for the code
   ResourceMark rm;
   // Setup code generation tools
-  CodeBuffer buffer("deopt_blob", 2048, 1024);
+  int pad = 0;
+#if INCLUDE_JVMCI
+  if (EnableJVMCI) {
+    pad += 512; // Increase the buffer size when compiling for JVMCI
+  }
+#endif
+  CodeBuffer buffer("deopt_blob", 2048+pad, 1024);
   MacroAssembler* masm = new MacroAssembler(&buffer);
   int frame_size_in_words;
   OopMap* map = NULL;
@@ -2734,6 +2780,12 @@
   __ jmp(cont);
 
   int reexecute_offset = __ pc() - start;
+#if INCLUDE_JVMCI && !defined(COMPILER1)
+  if (EnableJVMCI && UseJVMCICompiler) {
+    // JVMCI does not use this kind of deoptimization
+    __ should_not_reach_here();
+  }
+#endif
 
   // Reexecute case
   // return address is the pc describes what bci to do re-execute at
@@ -2744,6 +2796,38 @@
   __ movl(r14, Deoptimization::Unpack_reexecute); // callee-saved
   __ jmp(cont);
 
+#if INCLUDE_JVMCI
+  Label after_fetch_unroll_info_call;
+  int implicit_exception_uncommon_trap_offset = 0;
+  int uncommon_trap_offset = 0;
+
+  if (EnableJVMCI) {
+    implicit_exception_uncommon_trap_offset = __ pc() - start;
+
+    __ pushptr(Address(r15_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset())));
+    __ movptr(Address(r15_thread, in_bytes(JavaThread::jvmci_implicit_exception_pc_offset())), (int32_t)NULL_WORD);
+
+    uncommon_trap_offset = __ pc() - start;
+
+    // Save everything in sight.
+    RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words);
+    // fetch_unroll_info needs to call last_java_frame()
+    __ set_last_Java_frame(noreg, noreg, NULL);
+
+    __ movl(c_rarg1, Address(r15_thread, in_bytes(JavaThread::pending_deoptimization_offset())));
+    __ movl(Address(r15_thread, in_bytes(JavaThread::pending_deoptimization_offset())), -1);
+
+    __ movl(r14, (int32_t)Deoptimization::Unpack_reexecute);
+    __ mov(c_rarg0, r15_thread);
+    __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap)));
+    oop_maps->add_gc_map( __ pc()-start, map->deep_copy());
+
+    __ reset_last_Java_frame(false, false);
+
+    __ jmp(after_fetch_unroll_info_call);
+  } // EnableJVMCI
+#endif // INCLUDE_JVMCI
+
   int exception_offset = __ pc() - start;
 
   // Prolog for exception case
@@ -2829,6 +2913,12 @@
 
   __ reset_last_Java_frame(false, false);
 
+#if INCLUDE_JVMCI
+  if (EnableJVMCI) {
+    __ bind(after_fetch_unroll_info_call);
+  }
+#endif
+
   // Load UnrollBlock* into rdi
   __ mov(rdi, rax);
 
@@ -3003,6 +3093,12 @@
 
   _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_in_words);
   _deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset);
+#if INCLUDE_JVMCI
+  if (EnableJVMCI) {
+    _deopt_blob->set_uncommon_trap_offset(uncommon_trap_offset);
+    _deopt_blob->set_implicit_exception_uncommon_trap_offset(implicit_exception_uncommon_trap_offset);
+  }
+#endif
 }
 
 #ifdef COMPILER2