graal-jvmci-8: src/cpu/x86/vm/sharedRuntime_x86

6939861: JVM should handle more conversion operations Reviewed-by: twisti, jrose

comparison

equal deleted inserted replaced

-:d4c1fbc3de95
+:167b70ff3abc
 uint SharedRuntime::out_preserve_stack_slots() {
 return 0;
 }
+//----------------------------generate_ricochet_blob---------------------------
+void SharedRuntime::generate_ricochet_blob() {
+if (!EnableInvokeDynamic)  return;  // leave it as a null
+// allocate space for the code
+ResourceMark rm;
+// setup code generation tools
+CodeBuffer   buffer("ricochet_blob", 256, 256);
+MacroAssembler* masm = new MacroAssembler(&buffer);
+int frame_size_in_words = -1, bounce_offset = -1, exception_offset = -1;
+MethodHandles::RicochetFrame::generate_ricochet_blob(masm, &frame_size_in_words, &bounce_offset, &exception_offset);
+// -------------
+// make sure all code is generated
+masm->flush();
+// failed to generate?
+if (frame_size_in_words < 0 || bounce_offset < 0 || exception_offset < 0) {
+assert(false, "bad ricochet blob");
+return;
+}
+_ricochet_blob = RicochetBlob::create(&buffer, bounce_offset, exception_offset, frame_size_in_words);
+}
 //------------------------------generate_deopt_blob----------------------------
 void SharedRuntime::generate_deopt_blob() {
 // allocate space for the code
 ResourceMark rm;
 _polling_page_return_handler_blob =
 generate_handler_blob(CAST_FROM_FN_PTR(address,
 SafepointSynchronize::handle_polling_page_exception), true);
+generate_ricochet_blob();
 generate_deopt_blob();
 #ifdef COMPILER2
 generate_uncommon_trap_blob();
 #endif // COMPILER2
 }

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