hotspot/src/cpu/x86/vm/assembler_x86.cpp
changeset 8871 5c3b26c4119e
parent 8676 9098d4e927e1
child 8882 f852635a6383
--- a/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Sun Mar 27 00:00:14 2011 -0700
+++ b/hotspot/src/cpu/x86/vm/assembler_x86.cpp	Sun Mar 27 13:17:37 2011 -0700
@@ -3510,7 +3510,6 @@
   // anywhere in the codeCache then we are always reachable.
   // This would have to change if we ever save/restore shared code
   // to be more pessimistic.
-
   disp = (int64_t)adr._target - ((int64_t)CodeCache::low_bound() + sizeof(int));
   if (!is_simm32(disp)) return false;
   disp = (int64_t)adr._target - ((int64_t)CodeCache::high_bound() + sizeof(int));
@@ -3534,6 +3533,14 @@
   return is_simm32(disp);
 }
 
+// Check if the polling page is not reachable from the code cache using rip-relative
+// addressing.
+bool Assembler::is_polling_page_far() {
+  intptr_t addr = (intptr_t)os::get_polling_page();
+  return !is_simm32(addr - (intptr_t)CodeCache::low_bound()) ||
+         !is_simm32(addr - (intptr_t)CodeCache::high_bound());
+}
+
 void Assembler::emit_data64(jlong data,
                             relocInfo::relocType rtype,
                             int format) {
@@ -6886,6 +6893,11 @@
   }
 }
 
+void MacroAssembler::testl(Register dst, AddressLiteral src) {
+  assert(reachable(src), "Address should be reachable");
+  testl(dst, as_Address(src));
+}
+
 //////////////////////////////////////////////////////////////////////////////////
 #ifndef SERIALGC
 
@@ -7121,17 +7133,6 @@
   LP64_ONLY(subq(dst, src)) NOT_LP64(subl(dst, src));
 }
 
-void MacroAssembler::test32(Register src1, AddressLiteral src2) {
-  // src2 must be rval
-
-  if (reachable(src2)) {
-    testl(src1, as_Address(src2));
-  } else {
-    lea(rscratch1, src2);
-    testl(src1, Address(rscratch1, 0));
-  }
-}
-
 // C++ bool manipulation
 void MacroAssembler::testbool(Register dst) {
   if(sizeof(bool) == 1)