Mercurial > hg > graal-compiler

diff src/cpu/x86/vm/graalCodeInstaller_x86.hpp @ 13520:fb7b39f07232

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Embed compressed constants when possible and use more efficient patterns for encoding
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Mon, 06 Jan 2014 17:19:18 -0800
parents fa5180b3c18e
children d49f00604347
line wrap: on
line diff
--- a/src/cpu/x86/vm/graalCodeInstaller_x86.hpp	Mon Jan 06 14:30:23 2014 -0800
+++ b/src/cpu/x86/vm/graalCodeInstaller_x86.hpp	Mon Jan 06 17:19:18 2014 -0800
@@ -80,9 +80,20 @@
     case 'b':
     case 's':
     case 'c':
-    case 'i':
       fatal("int-sized values not expected in DataPatch");
       break;
+
+    case 'i': {
+      address operand = Assembler::locate_operand(pc, Assembler::narrow_oop_operand);
+      Handle obj = Constant::object(constant);
+
+      jobject value = JNIHandles::make_local(obj());
+      int oop_index = _oop_recorder->find_index(value);
+      _instructions->relocate(pc, oop_Relocation::spec(oop_index), Assembler::narrow_oop_operand);
+      TRACE_graal_3("relocating (narrow oop constant) at %p/%p", pc, operand);
+      break;
+    }
+
     case 'f':
     case 'j':
     case 'd':