diff src/cpu/x86/vm/c1_MacroAssembler_x86.cpp @ 1295:3cf667df43ef

6919934: JSR 292 needs to support x86 C1 Summary: This implements JSR 292 support for C1 x86. Reviewed-by: never, jrose, kvn
author twisti
date Tue, 09 Mar 2010 20:16:19 +0100
parents bd02caa94611
children c18cbe5936b8
line wrap: on
line diff
--- a/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp	Mon Mar 08 04:46:30 2010 -0800
+++ b/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp	Tue Mar 09 20:16:19 2010 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * Copyright 1999-2010 Sun Microsystems, Inc.  All Rights Reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -317,14 +317,6 @@
 }
 
 
-void C1_MacroAssembler::method_exit(bool restore_frame) {
-  if (restore_frame) {
-    leave();
-  }
-  ret(0);
-}
-
-
 void C1_MacroAssembler::build_frame(int frame_size_in_bytes) {
   // Make sure there is enough stack space for this method's activation.
   // Note that we do this before doing an enter(). This matches the
@@ -333,7 +325,7 @@
   // between the two compilers.
   generate_stack_overflow_check(frame_size_in_bytes);
 
-  enter();
+  push(rbp);
 #ifdef TIERED
   // c2 leaves fpu stack dirty. Clean it on entry
   if (UseSSE < 2 ) {
@@ -344,6 +336,12 @@
 }
 
 
+void C1_MacroAssembler::remove_frame(int frame_size_in_bytes) {
+  increment(rsp, frame_size_in_bytes);  // Does not emit code for frame_size == 0
+  pop(rbp);
+}
+
+
 void C1_MacroAssembler::unverified_entry(Register receiver, Register ic_klass) {
   if (C1Breakpoint) int3();
   inline_cache_check(receiver, ic_klass);