135
136 // VMReg name for spilled physical FPU stack slot n
137 static VMReg fpu_regname (int n);
138
139 static XMMRegister nr2xmmreg(int rnr);
140
141 static bool is_caller_save_register (LIR_Opr opr) { return true; }
142 static bool is_caller_save_register (Register r) { return true; }
143
144 static LIR_Opr caller_save_xmm_reg_at(int i) {
145 assert(i >= 0 && i < nof_caller_save_xmm_regs, "out of bounds");
146 return _caller_save_xmm_regs[i];
147 }
148
149 static int adjust_reg_range(int range) {
150 // Reduce the number of available regs (to free r12) in case of compressed oops
151 if (UseCompressedOops || UseCompressedClassPointers) return range - 1;
152 return range;
153 }
154
155 static int nof_caller_save_cpu_regs() { return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); }
156 static int last_cpu_reg() { return adjust_reg_range(pd_last_cpu_reg); }
157 static int last_byte_reg() { return adjust_reg_range(pd_last_byte_reg); }
158
159 #endif // CPU_X86_VM_C1_FRAMEMAP_X86_HPP
160
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135
136 // VMReg name for spilled physical FPU stack slot n
137 static VMReg fpu_regname (int n);
138
139 static XMMRegister nr2xmmreg(int rnr);
140
141 static bool is_caller_save_register (LIR_Opr opr) { return true; }
142 static bool is_caller_save_register (Register r) { return true; }
143
144 static LIR_Opr caller_save_xmm_reg_at(int i) {
145 assert(i >= 0 && i < nof_caller_save_xmm_regs, "out of bounds");
146 return _caller_save_xmm_regs[i];
147 }
148
149 static int adjust_reg_range(int range) {
150 // Reduce the number of available regs (to free r12) in case of compressed oops
151 if (UseCompressedOops || UseCompressedClassPointers) return range - 1;
152 return range;
153 }
154
155 static int get_num_caller_save_xmms(void) {
156 int num_caller_save_xmm_regs = nof_caller_save_xmm_regs;
157 #ifdef _LP64
158 if (UseAVX < 3) {
159 num_caller_save_xmm_regs = num_caller_save_xmm_regs / 2;
160 }
161 #endif
162 return num_caller_save_xmm_regs;
163 }
164
165 static int nof_caller_save_cpu_regs() { return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); }
166 static int last_cpu_reg() { return adjust_reg_range(pd_last_cpu_reg); }
167 static int last_byte_reg() { return adjust_reg_range(pd_last_byte_reg); }
168
169 #endif // CPU_X86_VM_C1_FRAMEMAP_X86_HPP
170
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