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#ifndef CPU_RISCV_C1_LINEARSCAN_RISCV_HPP
#define CPU_RISCV_C1_LINEARSCAN_RISCV_HPP
inline bool LinearScan::is_processed_reg_num(int reg_num)
{
return reg_num <= FrameMap::last_cpu_reg() || reg_num >= pd_nof_cpu_regs_frame_map;
}
inline int LinearScan::num_physical_regs(BasicType type) {
return 1 ;
}
inline bool LinearScan::requires_adjacent_regs(BasicType type) {
return false ;
}
inline bool LinearScan::is_caller_save(int assigned_reg) {
assert(assigned_reg >= 0 && assigned_reg < nof_regs, "should call this only for registers" );
if (assigned_reg < pd_first_callee_saved_reg) {
return true ;
}
if (assigned_reg > pd_last_callee_saved_reg && assigned_reg < pd_first_callee_saved_fpu_reg_1) {
return true ;
}
if (assigned_reg > pd_last_callee_saved_fpu_reg_1 && assigned_reg < pd_first_callee_saved_fpu_reg_2) {
return true ;
}
if (assigned_reg > pd_last_callee_saved_fpu_reg_2 && assigned_reg < pd_last_fpu_reg) {
return true ;
}
return false ;
}
inline void LinearScan::pd_add_temps(LIR_Op* op) {
// No special case behaviours yet
}
// Implementation of LinearScanWalker
inline bool LinearScanWalker::pd_init_regs_for_alloc(Interval* cur)
{
if (allocator()->gen()->is_vreg_flag_set(cur->reg_num(), LIRGenerator::callee_saved)) {
assert(cur->type() != T_FLOAT && cur->type() != T_DOUBLE, "cpu regs only" );
_first_reg = pd_first_callee_saved_reg;
_last_reg = pd_last_callee_saved_reg;
return true ;
} else if (cur->type() == T_INT || cur->type() == T_LONG || cur->type() == T_OBJECT ||
cur->type() == T_ADDRESS || cur->type() == T_METADATA) {
_first_reg = pd_first_cpu_reg;
_last_reg = pd_last_allocatable_cpu_reg;
return true ;
}
return false ;
}
#endif // CPU_RISCV_C1_LINEARSCAN_RISCV_HPP
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