Mercurial > hg > graal-jvmci-8

comparison src/cpu/sparc/vm/vtableStubs_sparc.cpp @ 14422:2b8e28fdf503

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Merge
author kvn
date Tue, 05 Nov 2013 17:38:04 -0800
parents 891687731b59
children
comparison
equal deleted inserted replaced
14421:3068270ba476 14422:2b8e28fdf503
50 // NOTE: %%%% if any change is made to this stub make sure that the function 50 // NOTE: %%%% if any change is made to this stub make sure that the function
51 // pd_code_size_limit is changed to ensure the correct size for VtableStub 51 // pd_code_size_limit is changed to ensure the correct size for VtableStub
52 VtableStub* VtableStubs::create_vtable_stub(int vtable_index) { 52 VtableStub* VtableStubs::create_vtable_stub(int vtable_index) {
53 const int sparc_code_length = VtableStub::pd_code_size_limit(true); 53 const int sparc_code_length = VtableStub::pd_code_size_limit(true);
54 VtableStub* s = new(sparc_code_length) VtableStub(true, vtable_index); 54 VtableStub* s = new(sparc_code_length) VtableStub(true, vtable_index);
55 // Can be NULL if there is no free space in the code cache.
56 if (s == NULL) {
57 return NULL;
58 }
59
55 ResourceMark rm; 60 ResourceMark rm;
56 CodeBuffer cb(s->entry_point(), sparc_code_length); 61 CodeBuffer cb(s->entry_point(), sparc_code_length);
57 MacroAssembler* masm = new MacroAssembler(&cb); 62 MacroAssembler* masm = new MacroAssembler(&cb);
58 63
59 #ifndef PRODUCT 64 #ifndef PRODUCT
123 // NOTE: %%%% if any change is made to this stub make sure that the function 128 // NOTE: %%%% if any change is made to this stub make sure that the function
124 // pd_code_size_limit is changed to ensure the correct size for VtableStub 129 // pd_code_size_limit is changed to ensure the correct size for VtableStub
125 VtableStub* VtableStubs::create_itable_stub(int itable_index) { 130 VtableStub* VtableStubs::create_itable_stub(int itable_index) {
126 const int sparc_code_length = VtableStub::pd_code_size_limit(false); 131 const int sparc_code_length = VtableStub::pd_code_size_limit(false);
127 VtableStub* s = new(sparc_code_length) VtableStub(false, itable_index); 132 VtableStub* s = new(sparc_code_length) VtableStub(false, itable_index);
133 // Can be NULL if there is no free space in the code cache.
134 if (s == NULL) {
135 return NULL;
136 }
137
128 ResourceMark rm; 138 ResourceMark rm;
129 CodeBuffer cb(s->entry_point(), sparc_code_length); 139 CodeBuffer cb(s->entry_point(), sparc_code_length);
130 MacroAssembler* masm = new MacroAssembler(&cb); 140 MacroAssembler* masm = new MacroAssembler(&cb);
131 141
132 Register G3_Klass = G3_scratch; 142 Register G3_Klass = G3_scratch;
216 const int slop = 2*BytesPerInstWord; // sethi;add (needed for long offsets) 226 const int slop = 2*BytesPerInstWord; // sethi;add (needed for long offsets)
217 if (is_vtable_stub) { 227 if (is_vtable_stub) {
218 // ld;ld;ld,jmp,nop 228 // ld;ld;ld,jmp,nop
219 const int basic = 5*BytesPerInstWord + 229 const int basic = 5*BytesPerInstWord +
220 // shift;add for load_klass (only shift with zero heap based) 230 // shift;add for load_klass (only shift with zero heap based)
221 (UseCompressedKlassPointers ? 231 (UseCompressedClassPointers ?
222 MacroAssembler::instr_size_for_decode_klass_not_null() : 0); 232 MacroAssembler::instr_size_for_decode_klass_not_null() : 0);
223 return basic + slop; 233 return basic + slop;
224 } else { 234 } else {
225 const int basic = (28 LP64_ONLY(+ 6)) * BytesPerInstWord + 235 const int basic = (28 LP64_ONLY(+ 6)) * BytesPerInstWord +
226 // shift;add for load_klass (only shift with zero heap based) 236 // shift;add for load_klass (only shift with zero heap based)
227 (UseCompressedKlassPointers ? 237 (UseCompressedClassPointers ?
228 MacroAssembler::instr_size_for_decode_klass_not_null() : 0); 238 MacroAssembler::instr_size_for_decode_klass_not_null() : 0);
229 return (basic + slop); 239 return (basic + slop);
230 } 240 }
231 } 241 }
232 242