diff options
Diffstat (limited to 'gcc/regclass.c')
| -rw-r--r-- | gcc/regclass.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/gcc/regclass.c b/gcc/regclass.c index 41d33533566..3d7ba5f20da 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -140,7 +140,7 @@ static unsigned int_reg_class_contents[N_REG_CLASSES][N_REG_INTS] /* For each reg class, number of regs it contains. */ -int reg_class_size[N_REG_CLASSES]; +unsigned int reg_class_size[N_REG_CLASSES]; /* For each reg class, table listing all the containing classes. */ @@ -554,8 +554,8 @@ memory_move_secondary_cost (mode, class, in) enum machine_mode choose_hard_reg_mode (regno, nregs) - int regno ATTRIBUTE_UNUSED; - int nregs; + unsigned int regno ATTRIBUTE_UNUSED; + unsigned int nregs; { enum machine_mode found_mode = VOIDmode, mode; @@ -730,7 +730,7 @@ static void record_address_regs PARAMS ((rtx, enum reg_class, int)); #ifdef FORBIDDEN_INC_DEC_CLASSES static int auto_inc_dec_reg_p PARAMS ((rtx, enum machine_mode)); #endif -static void reg_scan_mark_refs PARAMS ((rtx, rtx, int, int)); +static void reg_scan_mark_refs PARAMS ((rtx, rtx, int, unsigned int)); /* Return the reg_class in which pseudo reg number REGNO is best allocated. This function is sometimes called before the info has been computed. @@ -1681,10 +1681,10 @@ record_reg_classes (n_alts, n_ops, ops, modes, subreg_changes_size, for (i = 0; i <= 1; i++) if (REGNO (ops[i]) >= FIRST_PSEUDO_REGISTER) { - int regno = REGNO (ops[!i]); + unsigned int regno = REGNO (ops[!i]); enum machine_mode mode = GET_MODE (ops[!i]); int class; - int nr; + unsigned int nr; if (regno >= FIRST_PSEUDO_REGISTER && reg_pref != 0) { @@ -1704,13 +1704,14 @@ record_reg_classes (n_alts, n_ops, ops, modes, subreg_changes_size, op_costs[i].cost[class] = -1; else { - for (nr = 0; nr < HARD_REGNO_NREGS(regno, mode); nr++) + for (nr = 0; nr < HARD_REGNO_NREGS (regno, mode); nr++) { - if (!TEST_HARD_REG_BIT (reg_class_contents[class], regno + nr)) + if (! TEST_HARD_REG_BIT (reg_class_contents[class], + regno + nr)) break; } - if (nr == HARD_REGNO_NREGS(regno,mode)) + if (nr == HARD_REGNO_NREGS (regno,mode)) op_costs[i].cost[class] = -1; } } @@ -2142,7 +2143,7 @@ int max_parallel; void reg_scan (f, nregs, repeat) rtx f; - int nregs; + unsigned int nregs; int repeat ATTRIBUTE_UNUSED; { register rtx insn; @@ -2171,10 +2172,10 @@ reg_scan (f, nregs, repeat) such a REG. We only update information for those. */ void -reg_scan_update(first, last, old_max_regno) +reg_scan_update (first, last, old_max_regno) rtx first; rtx last; - int old_max_regno; + unsigned int old_max_regno; { register rtx insn; @@ -2205,7 +2206,7 @@ reg_scan_mark_refs (x, insn, note_flag, min_regno) rtx x; rtx insn; int note_flag; - int min_regno; + unsigned int min_regno; { register enum rtx_code code; register rtx dest; @@ -2227,7 +2228,7 @@ reg_scan_mark_refs (x, insn, note_flag, min_regno) case REG: { - register int regno = REGNO (x); + unsigned int regno = REGNO (x); if (regno >= min_regno) { |