src/cpu/sparc/vm/assembler_sparc.cpp

rev 1838 : 6961690: load oops from constant table on SPARC
Summary: oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.
Reviewed-by:

*** 1425,1434 ****
--- 1425,1473 ----
      sllx(tmp, 32, tmp);
      or3 (d, tmp, d);
    }
  }
  
+ int MacroAssembler::size_of_set64(jlong value) {
+   v9_dep();
+ 
+   int hi = (int)(value >> 32);
+   int lo = (int)(value & ~0);
+   int count = 0;
+ 
+   // (Matcher::isSimpleConstant64 knows about the following optimizations.)
+   if (Assembler::is_simm13(lo) && value == lo) {
+     count++;
+   } else if (hi == 0) {
+     count++;
+     if (low10(lo) != 0)
+       count++;
+   }
+   else if (hi == -1) {
+     count += 2;
+   }
+   else if (lo == 0) {
+     if (Assembler::is_simm13(hi)) {
+       count++;
+     } else {
+       count++;
+       if (low10(hi) != 0)
+         count++;
+     }
+     count++;
+   }
+   else {
+     count += 2;
+     if (low10(hi) != 0)
+       count++;
+     if (low10(lo) != 0)
+       count++;
+     count += 2;
+   }
+   return count;
+ }
+ 
  // compute size in bytes of sparc frame, given
  // number of extraWords
  int MacroAssembler::total_frame_size_in_bytes(int extraWords) {
  
    int nWords = frame::memory_parameter_word_sp_offset;