archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 11:04:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

6919934: JSR 292 needs to support x86 C1

Browse source 
This implements JSR 292 support for C1 x86.

Reviewed-by: never, jrose, kvn
This commit is contained in:
Christian Thalinger 2010-03-09 20:16:19 +01:00
parent 94a808f51d
commit ffec4c00c4
37 changed files with 420 additions and 287 deletions
Download patch file Download diff file Expand all files Collapse all files

18
hotspot/src/cpu/x86/vm/c1_MacroAssembler_x86.cpp
View file

@ -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::inline_cache_check(Register receiver, Register iCache) {
}
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 @@ void C1_MacroAssembler::build_frame(int frame_size_in_bytes) {
// 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::build_frame(int frame_size_in_bytes) {
}
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);