--- a/hotspot/src/cpu/ppc/vm/ppc.ad Mon Apr 14 09:04:36 2014 +0000
+++ b/hotspot/src/cpu/ppc/vm/ppc.ad Tue Apr 01 09:36:49 2014 +0200
@@ -1,6 +1,6 @@
//
-// Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
-// Copyright 2012, 2013 SAP AG. All rights reserved.
+// Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
+// Copyright 2012, 2014 SAP AG. 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
@@ -1362,8 +1362,8 @@
Compile* C = ra_->C;
MacroAssembler _masm(&cbuf);
- const long framesize = ((long)C->frame_slots()) << LogBytesPerInt;
- assert(framesize%(2*wordSize) == 0, "must preserve 2*wordSize alignment");
+ const long framesize = C->frame_size_in_bytes();
+ assert(framesize % (2 * wordSize) == 0, "must preserve 2*wordSize alignment");
const bool method_is_frameless = false /* TODO: PPC port C->is_frameless_method()*/;
@@ -1388,19 +1388,22 @@
// careful, because some VM calls (such as call site linkage) can
// use several kilobytes of stack. But the stack safety zone should
// account for that. See bugs 4446381, 4468289, 4497237.
- if (C->need_stack_bang(framesize) && UseStackBanging) {
+
+ int bangsize = C->bang_size_in_bytes();
+ assert(bangsize >= framesize || bangsize <= 0, "stack bang size incorrect");
+ if (C->need_stack_bang(bangsize) && UseStackBanging) {
// Unfortunately we cannot use the function provided in
// assembler.cpp as we have to emulate the pipes. So I had to
// insert the code of generate_stack_overflow_check(), see
// assembler.cpp for some illuminative comments.
const int page_size = os::vm_page_size();
- int bang_end = StackShadowPages*page_size;
+ int bang_end = StackShadowPages * page_size;
// This is how far the previous frame's stack banging extended.
const int bang_end_safe = bang_end;
- if (framesize > page_size) {
- bang_end += framesize;
+ if (bangsize > page_size) {
+ bang_end += bangsize;
}
int bang_offset = bang_end_safe;
@@ -1446,7 +1449,7 @@
unsigned int bytes = (unsigned int)framesize;
long offset = Assembler::align_addr(bytes, frame::alignment_in_bytes);
- ciMethod *currMethod = C -> method();
+ ciMethod *currMethod = C->method();
// Optimized version for most common case.
if (UsePower6SchedulerPPC64 &&