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comparison src/share/vm/opto/generateOptoStub.cpp @ 7994:9fae07c31641

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6518907: cleanup IA64 specific code in Hotspot Summary: removed unused IA64 specific code Reviewed-by: twisti, kvn, dholmes
author morris
date Fri, 25 Jan 2013 16:50:33 -0800
parents b9a9ed0f8eeb
children 766fac3395d6 75ef1a499665
comparison
equal deleted inserted replaced
7993:76341426b645 7994:9fae07c31641
86 86
87 Node* adr_last_Java_pc = basic_plus_adr(top(), 87 Node* adr_last_Java_pc = basic_plus_adr(top(),
88 thread, 88 thread,
89 in_bytes(JavaThread::frame_anchor_offset()) + 89 in_bytes(JavaThread::frame_anchor_offset()) +
90 in_bytes(JavaFrameAnchor::last_Java_pc_offset())); 90 in_bytes(JavaFrameAnchor::last_Java_pc_offset()));
91 #if defined(SPARC) || defined(IA64) 91 #if defined(SPARC)
92 Node* adr_flags = basic_plus_adr(top(), 92 Node* adr_flags = basic_plus_adr(top(),
93 thread, 93 thread,
94 in_bytes(JavaThread::frame_anchor_offset()) + 94 in_bytes(JavaThread::frame_anchor_offset()) +
95 in_bytes(JavaFrameAnchor::flags_offset())); 95 in_bytes(JavaFrameAnchor::flags_offset()));
96 #endif /* defined(SPARC) || defined(IA64) */ 96 #endif /* defined(SPARC) */
97 97
98 98
99 // Drop in the last_Java_sp. last_Java_fp is not touched. 99 // Drop in the last_Java_sp. last_Java_fp is not touched.
100 // Always do this after the other "last_Java_frame" fields are set since 100 // Always do this after the other "last_Java_frame" fields are set since
101 // as soon as last_Java_sp != NULL the has_last_Java_frame is true and 101 // as soon as last_Java_sp != NULL the has_last_Java_frame is true and
102 // users will look at the other fields. 102 // users will look at the other fields.
103 // 103 //
104 Node *adr_sp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_sp_offset())); 104 Node *adr_sp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_sp_offset()));
105 #ifndef IA64
106 Node *last_sp = basic_plus_adr(top(), frameptr(), (intptr_t) STACK_BIAS); 105 Node *last_sp = basic_plus_adr(top(), frameptr(), (intptr_t) STACK_BIAS);
107 store_to_memory(NULL, adr_sp, last_sp, T_ADDRESS, NoAlias); 106 store_to_memory(NULL, adr_sp, last_sp, T_ADDRESS, NoAlias);
108 #endif
109 107
110 // Set _thread_in_native 108 // Set _thread_in_native
111 // The order of stores into TLS is critical! Setting _thread_in_native MUST 109 // The order of stores into TLS is critical! Setting _thread_in_native MUST
112 // be last, because a GC is allowed at any time after setting it and the GC 110 // be last, because a GC is allowed at any time after setting it and the GC
113 // will require last_Java_pc and last_Java_sp. 111 // will require last_Java_pc and last_Java_sp.
208 } 206 }
209 207
210 //----------------------------- 208 //-----------------------------
211 209
212 // Clear last_Java_sp 210 // Clear last_Java_sp
213 #ifdef IA64
214 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease);
215 #endif
216
217 store_to_memory(NULL, adr_sp, null(), T_ADDRESS, NoAlias); 211 store_to_memory(NULL, adr_sp, null(), T_ADDRESS, NoAlias);
218 #ifdef IA64
219 if (os::is_MP() && UseMembar) insert_mem_bar(new MemBarVolatileNode());
220 #endif // def IA64
221 // Clear last_Java_pc and (optionally)_flags 212 // Clear last_Java_pc and (optionally)_flags
222 store_to_memory(NULL, adr_last_Java_pc, null(), T_ADDRESS, NoAlias); 213 store_to_memory(NULL, adr_last_Java_pc, null(), T_ADDRESS, NoAlias);
223 #if defined(SPARC) || defined(IA64) 214 #if defined(SPARC)
224 store_to_memory(NULL, adr_flags, intcon(0), T_INT, NoAlias); 215 store_to_memory(NULL, adr_flags, intcon(0), T_INT, NoAlias);
225 #endif /* defined(SPARC) || defined(IA64) */ 216 #endif /* defined(SPARC) */
226 #ifdef IA64 217 #ifdef IA64
227 Node* adr_last_Java_fp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_fp_offset())); 218 Node* adr_last_Java_fp = basic_plus_adr(top(), thread, in_bytes(JavaThread::last_Java_fp_offset()));
228 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease); 219 if( os::is_MP() ) insert_mem_bar(Op_MemBarRelease);
229 store_to_memory(NULL, adr_last_Java_fp, null(), T_ADDRESS, NoAlias); 220 store_to_memory(NULL, adr_last_Java_fp, null(), T_ADDRESS, NoAlias);
230 #endif 221 #endif