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reorg.c (fill_simple_delay_slots): Do not abort if we encounter an insn on the unfilled_slots_list that has no... 

* reorg.c (fill_simple_delay_slots): Do not abort if we encounter
        an insn on the unfilled_slots_list that has no delay slots.
        (fill_eager_delay_slots): Similarly.

From-SVN: r21977
This commit is contained in:
Jeffrey A Law 1998-08-25 18:50:26 +00:00 committed by Jeff Law
parent 38f76c25a9
commit c3a3b53647
2 changed files with 31 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
* reorg.c (fill_simple_delay_slots): Do not abort if we encounter
an insn on the unfilled_slots_list that has no delay slots.
(fill_eager_delay_slots): Similarly.
Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
* config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX

27
gcc/reorg.c
View File

@ -3022,8 +3022,20 @@ fill_simple_delay_slots (non_jumps_p)
else
flags = get_jump_flags (insn, NULL_RTX);
slots_to_fill = num_delay_slots (insn);
/* Some machine description have defined instructions to have
delay slots only in certain circumstances which may depend on
nearby insns (which change due to reorg's actions).
For example, the PA port normally has delay slots for unconditional
jumps.
However, the PA port claims such jumps do not have a delay slot
if they are immediate successors of certain CALL_INSNs. This
allows the port to favor filling the delay slot of the call with
the unconditional jump. */
if (slots_to_fill == 0)
abort ();
continue;
/* This insn needs, or can use, some delay slots. SLOTS_TO_FILL
says how many. After initialization, first try optimizing
@ -3896,8 +3908,19 @@ fill_eager_delay_slots ()
continue;
slots_to_fill = num_delay_slots (insn);
/* Some machine description have defined instructions to have
delay slots only in certain circumstances which may depend on
nearby insns (which change due to reorg's actions).
For example, the PA port normally has delay slots for unconditional
jumps.
However, the PA port claims such jumps do not have a delay slot
if they are immediate successors of certain CALL_INSNs. This
allows the port to favor filling the delay slot of the call with
the unconditional jump. */
if (slots_to_fill == 0)
abort ();
continue;
slots_filled = 0;
target_label = JUMP_LABEL (insn);