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(schedule_block): Free space associated with reg_pending_sets and old_live_regs.

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(schedule_block): Free space associated with reg_pending_sets and
old_live_regs.
(schedule_insns): Free bb_{dead,live}_regs on first pass.
(sched_analyze_insn): Use EXECUTE_IF_SET_IN_REG_SET and then clear.

From-SVN: r14426
This commit is contained in:
Richard Kenner 1997-07-14 06:51:23 -04:00
parent 4fac99c856
commit 6ed545b124
1 changed files with 20 additions and 8 deletions

28
gcc/sched.c

@ -2128,10 +2128,11 @@ sched_analyze_insn (x, insn, loop_notes)
sched_analyze_2 (XEXP (note, 0), insn);
}
EXECUTE_IF_SET_AND_RESET_IN_REG_SET (reg_pending_sets, 0, i,
{
reg_last_sets[i] = insn;
});
EXECUTE_IF_SET_IN_REG_SET (reg_pending_sets, 0, i,
{
reg_last_sets[i] = insn;
});
CLEAR_REG_SET (reg_pending_sets);
if (reg_pending_sets_all)
{
@ -3254,7 +3255,7 @@ schedule_block (b, file)
to schedule this block. */
if (head == tail
&& (GET_CODE (head) == NOTE || GET_CODE (head) == CODE_LABEL))
return;
goto ret;
#if 0
/* This short-cut doesn't work. It does not count call insns crossed by
@ -3267,7 +3268,7 @@ schedule_block (b, file)
has one insn, so this won't slow down this pass by much. */
if (head == tail)
return;
goto ret;
#endif
/* Now HEAD through TAIL are the insns actually to be rearranged;
@ -3292,7 +3293,7 @@ schedule_block (b, file)
if (n_insns == 0)
{
free_pending_lists ();
return;
goto ret;
}
/* Allocate vector to hold insns to be rearranged (except those
@ -3422,7 +3423,7 @@ schedule_block (b, file)
finish_sometimes_live (regs_sometimes_live, sometimes_max);
}
free_pending_lists ();
return;
goto ret;
}
#endif
@ -4081,6 +4082,10 @@ schedule_block (b, file)
/* Yow! We're done! */
free_pending_lists ();
ret:
FREE_REG_SET (reg_pending_sets);
FREE_REG_SET (old_live_regs);
return;
}
@ -5066,5 +5071,12 @@ schedule_insns (dump_file)
REG_N_CALLS_CROSSED (regno) = sched_reg_n_calls_crossed[regno];
}
}
if (reload_completed == 0)
{
FREE_REG_SET (bb_dead_regs);
FREE_REG_SET (bb_live_regs);
}
}
#endif /* INSN_SCHEDULING */