diff options
Diffstat (limited to 'gcc/cselib.c')
| -rw-r--r-- | gcc/cselib.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/gcc/cselib.c b/gcc/cselib.c index 0aa22a4fe1b..66d92a01ad0 100644 --- a/gcc/cselib.c +++ b/gcc/cselib.c @@ -278,7 +278,7 @@ entry_and_rtx_equal_p (const void *entry, const void *x_arg) gcc_assert (!CONST_INT_P (x) && GET_CODE (x) != CONST_FIXED && (mode != VOIDmode || GET_CODE (x) != CONST_DOUBLE)); - + if (mode != GET_MODE (v->val_rtx)) return 0; @@ -815,10 +815,10 @@ cselib_hash_rtx (rtx x, int create) { rtx tem = XEXP (x, i); unsigned int tem_hash = cselib_hash_rtx (tem, create); - + if (tem_hash == 0) return 0; - + hash += tem_hash; } break; @@ -827,10 +827,10 @@ cselib_hash_rtx (rtx x, int create) { unsigned int tem_hash = cselib_hash_rtx (XVECEXP (x, i, j), create); - + if (tem_hash == 0) return 0; - + hash += tem_hash; } break; @@ -838,13 +838,13 @@ cselib_hash_rtx (rtx x, int create) case 's': { const unsigned char *p = (const unsigned char *) XSTR (x, i); - + if (p) while (*p) hash += *p++; break; } - + case 'i': hash += XINT (x, i); break; @@ -853,7 +853,7 @@ cselib_hash_rtx (rtx x, int create) case 't': /* unused */ break; - + default: gcc_unreachable (); } @@ -971,7 +971,7 @@ cselib_lookup_mem (rtx x, int create) non-reg results, we just take the first one because they will all expand to the same place. */ -static rtx +static rtx expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, int max_depth) { @@ -983,8 +983,8 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, { /* Avoid infinite recursion trying to expand a reg into a the same reg. */ - if ((REG_P (p->loc)) - && (REGNO (p->loc) < regno) + if ((REG_P (p->loc)) + && (REGNO (p->loc) < regno) && !bitmap_bit_p (evd->regs_active, REGNO (p->loc))) { reg_result = p->loc; @@ -992,7 +992,7 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, } /* Avoid infinite recursion and do not try to expand the value. */ - else if (GET_CODE (p->loc) == VALUE + else if (GET_CODE (p->loc) == VALUE && CSELIB_VAL_PTR (p->loc)->locs == p_in) continue; else if (!REG_P (p->loc)) @@ -1013,9 +1013,9 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, if (result) return result; } - + } - + if (regno != UINT_MAX) { rtx result; @@ -1034,7 +1034,7 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, print_inline_rtx (dump_file, reg_result, 0); fprintf (dump_file, "\n"); } - else + else fprintf (dump_file, "NULL\n"); } return reg_result; @@ -1045,7 +1045,7 @@ expand_loc (struct elt_loc_list *p, struct expand_value_data *evd, This is the opposite of common subexpression. Because local value numbering is such a weak optimization, the expanded expression is pretty much unique (not from a pointer equals point of view but - from a tree shape point of view. + from a tree shape point of view. This function returns NULL if the expansion fails. The expansion will fail if there is no value number for one of the operands or if @@ -1124,7 +1124,7 @@ cselib_expand_value_rtx_1 (rtx orig, struct expand_value_data *evd, { rtx result; int regno = REGNO (orig); - + /* The only thing that we are not willing to do (this is requirement of dse and if others potential uses need this function we should add a parm to control @@ -1156,11 +1156,11 @@ cselib_expand_value_rtx_1 (rtx orig, struct expand_value_data *evd, if (result) return result; - else + else return orig; } } - + case CONST_INT: case CONST_DOUBLE: case CONST_VECTOR: @@ -1979,7 +1979,7 @@ cselib_process_insn (rtx insn) for (i = 0; i < FIRST_PSEUDO_REGISTER; i++) if (call_used_regs[i] || (REG_VALUES (i) && REG_VALUES (i)->elt - && HARD_REGNO_CALL_PART_CLOBBERED (i, + && HARD_REGNO_CALL_PART_CLOBBERED (i, GET_MODE (REG_VALUES (i)->elt->val_rtx)))) cselib_invalidate_regno (i, reg_raw_mode[i]); @@ -2025,11 +2025,11 @@ cselib_process_insn (rtx insn) void cselib_init (bool record_memory) { - elt_list_pool = create_alloc_pool ("elt_list", + elt_list_pool = create_alloc_pool ("elt_list", sizeof (struct elt_list), 10); - elt_loc_list_pool = create_alloc_pool ("elt_loc_list", + elt_loc_list_pool = create_alloc_pool ("elt_loc_list", sizeof (struct elt_loc_list), 10); - cselib_val_pool = create_alloc_pool ("cselib_val_list", + cselib_val_pool = create_alloc_pool ("cselib_val_list", sizeof (cselib_val), 10); value_pool = create_alloc_pool ("value", RTX_CODE_SIZE (VALUE), 100); cselib_record_memory = record_memory; |