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src/hotspot/cpu/x86/c1_CodeStubs_x86.cpp

G1BarrierSet_merge

0 /*                                                                                                                                   
1  * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.                                                      
2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.                                                                     
3  *                                                                                                                                   
4  * This code is free software; you can redistribute it and/or modify it                                                              
5  * under the terms of the GNU General Public License version 2 only, as                                                              
6  * published by the Free Software Foundation.                                                                                        
7  *                                                                                                                                   
8  * This code is distributed in the hope that it will be useful, but WITHOUT                                                          
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or                                                             
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License                                                             
11  * version 2 for more details (a copy is included in the LICENSE file that                                                           
12  * accompanied this code).                                                                                                           
13  *                                                                                                                                   
14  * You should have received a copy of the GNU General Public License version                                                         
15  * 2 along with this work; if not, write to the Free Software Foundation,                                                            
16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.                                                                     
17  *                                                                                                                                   
18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA                                                           
19  * or visit www.oracle.com if you need additional information or have any                                                            
20  * questions.                                                                                                                        
21  *                                                                                                                                   
22  */                                                                                                                                  
23 
24 #include "precompiled.hpp"                                                                                                           
25 #include "c1/c1_CodeStubs.hpp"                                                                                                       
26 #include "c1/c1_FrameMap.hpp"                                                                                                        
27 #include "c1/c1_LIRAssembler.hpp"                                                                                                    
28 #include "c1/c1_MacroAssembler.hpp"                                                                                                  
29 #include "c1/c1_Runtime1.hpp"                                                                                                        
30 #include "nativeInst_x86.hpp"                                                                                                        
31 #include "runtime/sharedRuntime.hpp"                                                                                                 
32 #include "utilities/align.hpp"                                                                                                       
33 #include "utilities/macros.hpp"                                                                                                      
34 #include "vmreg_x86.inline.hpp"                                                                                                      
35 #if INCLUDE_ALL_GCS                                                                                                                  
36 #include "gc/g1/g1SATBCardTableModRefBS.hpp"                                                                                         
37 #endif // INCLUDE_ALL_GCS                                                                                                            
38 
39 
40 #define __ ce->masm()->                                                                                                              
41 
42 float ConversionStub::float_zero = 0.0;                                                                                              
43 double ConversionStub::double_zero = 0.0;                                                                                            
44 
45 void ConversionStub::emit_code(LIR_Assembler* ce) {                                                                                  
46   __ bind(_entry);                                                                                                                   
47   assert(bytecode() == Bytecodes::_f2i || bytecode() == Bytecodes::_d2i, "other conversions do not require stub");                   
48 
49 
50   if (input()->is_single_xmm()) {                                                                                                    
51     __ comiss(input()->as_xmm_float_reg(),                                                                                           
52               ExternalAddress((address)&float_zero));                                                                                
53   } else if (input()->is_double_xmm()) {                                                                                             
54     __ comisd(input()->as_xmm_double_reg(),                                                                                          
55               ExternalAddress((address)&double_zero));                                                                               

0 /*
1  * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved.
2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3  *
4  * This code is free software; you can redistribute it and/or modify it
5  * under the terms of the GNU General Public License version 2 only, as
6  * published by the Free Software Foundation.
7  *
8  * This code is distributed in the hope that it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
11  * version 2 for more details (a copy is included in the LICENSE file that
12  * accompanied this code).
13  *
14  * You should have received a copy of the GNU General Public License version
15  * 2 along with this work; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17  *
18  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19  * or visit www.oracle.com if you need additional information or have any
20  * questions.
21  *
22  */
23 
24 #include "precompiled.hpp"
25 #include "c1/c1_CodeStubs.hpp"
26 #include "c1/c1_FrameMap.hpp"
27 #include "c1/c1_LIRAssembler.hpp"
28 #include "c1/c1_MacroAssembler.hpp"
29 #include "c1/c1_Runtime1.hpp"
30 #include "nativeInst_x86.hpp"
31 #include "runtime/sharedRuntime.hpp"
32 #include "utilities/align.hpp"
33 #include "utilities/macros.hpp"
34 #include "vmreg_x86.inline.hpp"
35 #if INCLUDE_ALL_GCS
36 #include "gc/g1/g1BarrierSet.hpp"
37 #endif // INCLUDE_ALL_GCS
38 
39 
40 #define __ ce->masm()->
41 
42 float ConversionStub::float_zero = 0.0;
43 double ConversionStub::double_zero = 0.0;
44 
45 void ConversionStub::emit_code(LIR_Assembler* ce) {
46   __ bind(_entry);
47   assert(bytecode() == Bytecodes::_f2i || bytecode() == Bytecodes::_d2i, "other conversions do not require stub");
48 
49 
50   if (input()->is_single_xmm()) {
51     __ comiss(input()->as_xmm_float_reg(),
52               ExternalAddress((address)&float_zero));
53   } else if (input()->is_double_xmm()) {
54     __ comisd(input()->as_xmm_double_reg(),
55               ExternalAddress((address)&double_zero));
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