42 const char* C2Compiler::retry_class_loading_during_parsing() {
43 return "retry class loading during parsing";
44 }
45 bool C2Compiler::init_c2_runtime() {
46
47 // Check assumptions used while running ADLC
48 Compile::adlc_verification();
49 assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts");
50
51 for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) {
52 OptoReg::vm2opto[i] = OptoReg::Bad;
53 }
54
55 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) {
56 VMReg r = OptoReg::as_VMReg(i);
57 if (r->is_valid()) {
58 OptoReg::vm2opto[r->value()] = i;
59 }
60 }
61
62 // Check that runtime and architecture description agree on callee-saved-floats
63 bool callee_saved_floats = false;
64 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(_last_Mach_Reg); i = OptoReg::add(i,1) ) {
65 // Is there a callee-saved float or double?
66 if( register_save_policy[i] == 'E' /* callee-saved */ &&
67 (register_save_type[i] == Op_RegF || register_save_type[i] == Op_RegD) ) {
68 callee_saved_floats = true;
69 }
70 }
71
72 DEBUG_ONLY( Node::init_NodeProperty(); )
73
74 Compile::pd_compiler2_init();
75
76 CompilerThread* thread = CompilerThread::current();
77
78 HandleMark handle_mark(thread);
79 return OptoRuntime::generate(thread->env());
80 }
81
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42 const char* C2Compiler::retry_class_loading_during_parsing() {
43 return "retry class loading during parsing";
44 }
45 bool C2Compiler::init_c2_runtime() {
46
47 // Check assumptions used while running ADLC
48 Compile::adlc_verification();
49 assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts");
50
51 for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) {
52 OptoReg::vm2opto[i] = OptoReg::Bad;
53 }
54
55 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) {
56 VMReg r = OptoReg::as_VMReg(i);
57 if (r->is_valid()) {
58 OptoReg::vm2opto[r->value()] = i;
59 }
60 }
61
62 #ifdef X86
63 #ifdef _LP64
64 if (UseAVX < 3) {
65 int delta = XMMRegisterImpl::max_slots_per_register * XMMRegisterImpl::number_of_registers;
66 int bottom = ConcreteRegisterImpl::max_fpr;
67 int top = bottom + delta;
68 int middle = bottom + (delta / 2);
69 int xmm_slots = XMMRegisterImpl::max_slots_per_register;
70 int lower = xmm_slots / 2;
71 // mark bad every register that we cannot get to if AVX less than 3, we have all slots in the array
72 // Note: vm2opto is allocated to ConcreteRegisterImpl::number_of_registers
73 for (int i = bottom; i < middle; i+= xmm_slots) {
74 for( OptoReg::Name j=OptoReg::Name(i + lower); j<OptoReg::Name(i + xmm_slots); j = OptoReg::add(j,1) ) {
75 OptoReg::vm2opto[j] = OptoReg::Bad;
76 }
77 }
78 // mark the upper zmm bank bad and all the mask registers bad in this case
79 for( OptoReg::Name i=OptoReg::Name(middle); i<OptoReg::Name(_last_Mach_Reg-1); i = OptoReg::add(i,1) ) {
80 OptoReg::vm2opto[i] = OptoReg::Bad;
81 }
82 }
83 #endif
84 #endif
85
86 // Check that runtime and architecture description agree on callee-saved-floats
87 bool callee_saved_floats = false;
88 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(_last_Mach_Reg); i = OptoReg::add(i,1) ) {
89 // Is there a callee-saved float or double?
90 if( register_save_policy[i] == 'E' /* callee-saved */ &&
91 (register_save_type[i] == Op_RegF || register_save_type[i] == Op_RegD) ) {
92 callee_saved_floats = true;
93 }
94 }
95
96 DEBUG_ONLY( Node::init_NodeProperty(); )
97
98 Compile::pd_compiler2_init();
99
100 CompilerThread* thread = CompilerThread::current();
101
102 HandleMark handle_mark(thread);
103 return OptoRuntime::generate(thread->env());
104 }
105
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