diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index ce049220608..2555dc8b33c 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -638,7 +638,7 @@ has_nonexceptional_receiver (void) /* If we're not optimizing, then just err on the safe side. */ if (!optimize) return true; - + /* First determine which blocks can reach exit via normal paths. */ tos = worklist = XNEWVEC (basic_block, n_basic_blocks + 1); @@ -648,7 +648,7 @@ has_nonexceptional_receiver (void) /* Place the exit block on our worklist. */ EXIT_BLOCK_PTR->flags |= BB_REACHABLE; *tos++ = EXIT_BLOCK_PTR; - + /* Iterate: find everything reachable from what we've already seen. */ while (tos != worklist) { @@ -900,7 +900,7 @@ reload (rtx first, int global) temp_pseudo_reg_arr = XNEWVEC (int, max_regno - LAST_VIRTUAL_REGISTER - 1); for (n = 0, i = LAST_VIRTUAL_REGISTER + 1; i < max_regno; i++) temp_pseudo_reg_arr[n++] = i; - + if (ira_conflicts_p) /* Ask IRA to order pseudo-registers for better stack slot sharing. */ @@ -1073,7 +1073,7 @@ reload (rtx first, int global) something_changed = 1; /* Even if the frame size remained the same, we might still have - changed elimination offsets, e.g. if find_reloads called + changed elimination offsets, e.g. if find_reloads called force_const_mem requiring the back end to allocate a constant pool base register that needs to be saved on the stack. */ else if (!verify_initial_elim_offsets ()) @@ -1184,7 +1184,7 @@ reload (rtx first, int global) if (! frame_pointer_needed) FOR_EACH_BB (bb) bitmap_clear_bit (df_get_live_in (bb), HARD_FRAME_POINTER_REGNUM); - + /* Come here (with failure set nonzero) if we can't get enough spill regs. */ failed: @@ -3375,7 +3375,7 @@ eliminate_regs_in_insn (rtx insn, int replace) /* First see if this insn remains valid when we make the change. If not, try to replace the whole pattern with a simple set (this may help if the original insn was a - PARALLEL that was only recognized as single_set due to + PARALLEL that was only recognized as single_set due to REG_UNUSED notes). If this isn't valid either, keep the INSN_CODE the same and let reload fix it up. */ if (!validate_change (insn, &SET_SRC (old_set), new_src, 0)) @@ -3750,7 +3750,7 @@ update_eliminables (HARD_REG_SET *pset) struct elim_table *ep; for (ep = reg_eliminate; ep < ®_eliminate[NUM_ELIMINABLE_REGS]; ep++) - if ((ep->from == HARD_FRAME_POINTER_REGNUM + if ((ep->from == HARD_FRAME_POINTER_REGNUM && targetm.frame_pointer_required ()) #ifdef ELIMINABLE_REGS || ! targetm.can_eliminate (ep->from, ep->to) @@ -3861,7 +3861,7 @@ init_elim_table (void) ep->can_eliminate = ep->can_eliminate_previous = (targetm.can_eliminate (ep->from, ep->to) && ! (ep->to == STACK_POINTER_REGNUM - && frame_pointer_needed + && frame_pointer_needed && (! SUPPORTS_STACK_ALIGNMENT || ! stack_realign_fp))); } @@ -3960,7 +3960,7 @@ finish_spills (int global) in pseudo_previous_regs so we avoid reallocating it to the same hard reg in a later pass. */ gcc_assert (reg_renumber[i] >= 0); - + SET_HARD_REG_BIT (pseudo_previous_regs[i], reg_renumber[i]); /* Mark it as no longer having a hard register home. */ reg_renumber[i] = -1; @@ -4482,7 +4482,7 @@ reload_as_needed (int live_known) unless X is an output reload reg of the current insn. X may be a hard reg (the reload reg) - or it may be a pseudo reg that was reloaded from. + or it may be a pseudo reg that was reloaded from. When DATA is non-NULL just mark the registers in regset to be forgotten later. */ @@ -5249,11 +5249,11 @@ gen_reload_chain_without_interm_reg_p (int r1, int r2) reload has completed. */ result = constrain_operands (1); } - + delete_insns_since (last); return result; } - + /* It looks like other cases in gen_reload are not possible for chain reloads or do need an intermediate hard registers. */ return true; @@ -8124,7 +8124,7 @@ emit_reload_insns (struct insn_chain *chain) SET_HARD_REG_BIT (reg_reloaded_valid, src_regno + k); if (HARD_REGNO_CALL_PART_CLOBBERED (src_regno + k, mode)) - SET_HARD_REG_BIT (reg_reloaded_call_part_clobbered, + SET_HARD_REG_BIT (reg_reloaded_call_part_clobbered, src_regno + k); else CLEAR_HARD_REG_BIT (reg_reloaded_call_part_clobbered, @@ -8136,7 +8136,7 @@ emit_reload_insns (struct insn_chain *chain) CLEAR_HARD_REG_BIT (reg_reloaded_died, src_regno); } reg_last_reload_reg[out_regno] = src_reg; - /* We have to set reg_has_output_reload here, or else + /* We have to set reg_has_output_reload here, or else forget_old_reloads_1 will clear reg_last_reload_reg right away. */ SET_REGNO_REG_SET (®_has_output_reload, @@ -8970,7 +8970,7 @@ fixup_abnormal_edges (void) } /* It may be that we don't find any such trapping insn. In this - case we discovered quite late that the insn that had been + case we discovered quite late that the insn that had been marked as can_throw_internal in fact couldn't trap at all. So we should in fact delete the EH edges out of the block. */ else |