GCC Middle and Back End API Reference
Data Fields
target_cfgloop Struct Reference

#include <cfgloop.h>

Data Fields

unsigned x_target_avail_regs
unsigned x_target_clobbered_regs
unsigned x_target_res_regs
unsigned x_target_reg_cost [2]
unsigned x_target_spill_cost [2]

Detailed Description

   The properties of the target.

Field Documentation

unsigned target_cfgloop::x_target_avail_regs 
     Number of available registers.
unsigned target_cfgloop::x_target_clobbered_regs 
     Number of available registers that are call-clobbered.
unsigned target_cfgloop::x_target_reg_cost[2] 
     The cost for register when there still is some reserve, but we are
     approaching the number of available registers.
unsigned target_cfgloop::x_target_res_regs 
     Number of registers reserved for temporary expressions.
unsigned target_cfgloop::x_target_spill_cost[2] 
     The cost for register when we need to spill.
The documentation for this struct was generated from the following file: