diff options
Diffstat (limited to 'gcc/ira-int.h')
| -rw-r--r-- | gcc/ira-int.h | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/gcc/ira-int.h b/gcc/ira-int.h index bde69861e78..a64e3a14afe 100644 --- a/gcc/ira-int.h +++ b/gcc/ira-int.h @@ -795,11 +795,6 @@ struct target_ira_int { /* Map class->true if class is a pressure class, false otherwise. */ bool x_ira_reg_pressure_class_p[N_REG_CLASSES]; - /* Register class subset relation: TRUE if the first class is a subset - of the second one considering only hard registers available for the - allocation. */ - int x_ira_class_subset_p[N_REG_CLASSES][N_REG_CLASSES]; - /* Array of the number of hard registers of given class which are available for allocation. The order is defined by the hard register numbers. */ @@ -852,13 +847,8 @@ struct target_ira_int { taking all hard-registers including fixed ones into account. */ enum reg_class x_ira_reg_class_intersect[N_REG_CLASSES][N_REG_CLASSES]; - /* True if the two classes (that is calculated taking only hard - registers available for allocation into account; are - intersected. */ - bool x_ira_reg_classes_intersect_p[N_REG_CLASSES][N_REG_CLASSES]; - /* Classes with end marker LIM_REG_CLASSES which are intersected with - given class (the first index;. That includes given class itself. + given class (the first index). That includes given class itself. This is calculated taking only hard registers available for allocation into account. */ enum reg_class x_ira_reg_class_super_classes[N_REG_CLASSES][N_REG_CLASSES]; @@ -875,7 +865,7 @@ struct target_ira_int { /* For each reg class, table listing all the classes contained in it (excluding the class itself. Non-allocatable registers are - excluded from the consideration;. */ + excluded from the consideration). */ enum reg_class x_alloc_reg_class_subclasses[N_REG_CLASSES][N_REG_CLASSES]; /* Array whose values are hard regset of hard registers for which @@ -908,8 +898,6 @@ extern struct target_ira_int *this_target_ira_int; (this_target_ira_int->x_ira_reg_allocno_class_p) #define ira_reg_pressure_class_p \ (this_target_ira_int->x_ira_reg_pressure_class_p) -#define ira_class_subset_p \ - (this_target_ira_int->x_ira_class_subset_p) #define ira_non_ordered_class_hard_regs \ (this_target_ira_int->x_ira_non_ordered_class_hard_regs) #define ira_class_hard_reg_index \ @@ -928,8 +916,6 @@ extern struct target_ira_int *this_target_ira_int; (this_target_ira_int->x_ira_uniform_class_p) #define ira_reg_class_intersect \ (this_target_ira_int->x_ira_reg_class_intersect) -#define ira_reg_classes_intersect_p \ - (this_target_ira_int->x_ira_reg_classes_intersect_p) #define ira_reg_class_super_classes \ (this_target_ira_int->x_ira_reg_class_super_classes) #define ira_reg_class_subunion \ @@ -950,17 +936,6 @@ extern void ira_debug_disposition (void); extern void ira_debug_allocno_classes (void); extern void ira_init_register_move_cost (enum machine_mode); -/* The length of the two following arrays. */ -extern int ira_reg_equiv_len; - -/* The element value is TRUE if the corresponding regno value is - invariant. */ -extern bool *ira_reg_equiv_invariant_p; - -/* The element value is equiv constant of given pseudo-register or - NULL_RTX. */ -extern rtx *ira_reg_equiv_const; - /* ira-build.c */ /* The current loop tree node and its regno allocno map. */ @@ -1044,6 +1019,20 @@ extern void ira_emit (bool); +/* Return true if equivalence of pseudo REGNO is not a lvalue. */ +static inline bool +ira_equiv_no_lvalue_p (int regno) +{ + if (regno >= ira_reg_equiv_len) + return false; + return (ira_reg_equiv[regno].constant != NULL_RTX + || ira_reg_equiv[regno].invariant != NULL_RTX + || (ira_reg_equiv[regno].memory != NULL_RTX + && MEM_READONLY_P (ira_reg_equiv[regno].memory))); +} + + + /* Initialize register costs for MODE if necessary. */ static inline void ira_init_register_move_cost_if_necessary (enum machine_mode mode) |