Changed hash table to use more of the hash value when probing.

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
===================================================================
--- src/ia32/assembler-ia32.cc	(revision 2481)
+++ src/ia32/assembler-ia32.cc	(working copy)
@@ -1240,6 +1240,16 @@
 }
 
 
+void Assembler::ror(Register dst, uint32_t count) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xC1);
+  emit_operand(ecx, Operand(dst));
+  ASSERT(count < 32);
+  EMIT(count);
+}
+
+
 void Assembler::bt(const Operand& dst, Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;