diff options
Diffstat (limited to 'gcc/ira.h')
| -rw-r--r-- | gcc/ira.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/gcc/ira.h b/gcc/ira.h index 2f7dfce5fa5..19797809292 100644 --- a/gcc/ira.h +++ b/gcc/ira.h @@ -1,6 +1,6 @@ /* Communication between the Integrated Register Allocator (IRA) and the rest of the compiler. - Copyright (C) 2006-2014 Free Software Foundation, Inc. + Copyright (C) 2006-2015 Free Software Foundation, Inc. Contributed by Vladimir Makarov <vmakarov@redhat.com>. This file is part of GCC. @@ -19,6 +19,9 @@ You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ +#ifndef GCC_IRA_H +#define GCC_IRA_H + /* True when we use LRA instead of reload pass for the current function. */ extern bool ira_use_lra_p; @@ -61,7 +64,7 @@ struct target_ira class. */ enum reg_class x_ira_pressure_class_translate[N_REG_CLASSES]; - /* Bigest pressure register class containing stack registers. + /* Biggest pressure register class containing stack registers. NO_REGS if there are no stack registers. */ enum reg_class x_ira_stack_reg_pressure_class; @@ -107,6 +110,11 @@ struct target_ira /* Function specific hard registers can not be used for the register allocation. */ HARD_REG_SET x_ira_no_alloc_regs; + + /* Array whose values are hard regset of hard registers available for + the allocation of given register class whose HARD_REGNO_MODE_OK + values for given mode are zero. */ + HARD_REG_SET x_ira_prohibited_class_mode_regs[N_REG_CLASSES][NUM_MACHINE_MODES]; }; extern struct target_ira default_target_ira; @@ -152,6 +160,8 @@ extern struct target_ira *this_target_ira; (this_target_ira->x_ira_class_singleton) #define ira_no_alloc_regs \ (this_target_ira->x_ira_no_alloc_regs) +#define ira_prohibited_class_mode_regs \ + (this_target_ira->x_ira_prohibited_class_mode_regs) /* Major structure describing equivalence info for a pseudo. */ struct ira_reg_equiv_s @@ -166,7 +176,7 @@ struct ira_reg_equiv_s rtx constant; rtx invariant; /* Always NULL_RTX if defined_p is false. */ - rtx init_insns; + rtx_insn_list *init_insns; }; /* The length of the following array. */ @@ -177,13 +187,12 @@ extern struct ira_reg_equiv_s *ira_reg_equiv; extern void ira_init_once (void); extern void ira_init (void); -extern void ira_finish_once (void); extern void ira_setup_eliminable_regset (void); -extern rtx ira_eliminate_regs (rtx, enum machine_mode); +extern rtx ira_eliminate_regs (rtx, machine_mode); extern void ira_set_pseudo_classes (bool, FILE *); extern void ira_implicitly_set_insn_hard_regs (HARD_REG_SET *); extern void ira_expand_reg_equiv (void); -extern void ira_update_equiv_info_by_shuffle_insn (int, int, rtx); +extern void ira_update_equiv_info_by_shuffle_insn (int, int, rtx_insn *); extern void ira_sort_regnos_for_alter_reg (int *, int, unsigned int *); extern void ira_mark_allocation_change (int); @@ -196,3 +205,8 @@ extern bool ira_better_spill_reload_regno_p (int *, int *, rtx, rtx, rtx); extern bool ira_bad_reload_regno (int, rtx, rtx); extern void ira_adjust_equiv_reg_cost (unsigned, int); + +/* ira-costs.c */ +extern void ira_costs_c_finalize (void); + +#endif /* GCC_IRA_H */ |