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sched-deps.c (sched_analyze_1): Check pending list if it is not less than MAX_PENDING_LIST_LENGTH.

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* sched-deps.c (sched_analyze_1): Check pending list if it is not
	less than MAX_PENDING_LIST_LENGTH.
	(sched_analyze_2, sched_analyze_insn, deps_analyze_insn): Ditto.

From-SVN: r217331
This commit is contained in:
Bin Cheng 2014-11-11 02:10:37 +00:00 committed by Bin Cheng
parent f93f644e85
commit 43722f9fa6
2 changed files with 11 additions and 5 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2014-11-11 Bin Cheng <bin.cheng@arm.com>
* sched-deps.c (sched_analyze_1): Check pending list if it is not
less than MAX_PENDING_LIST_LENGTH.
(sched_analyze_2, sched_analyze_insn, deps_analyze_insn): Ditto.
2014-11-11 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (ix86_decompose_address): Replace open-coded

10
gcc/sched-deps.c
View File

@ -2504,7 +2504,7 @@ sched_analyze_1 (struct deps_desc *deps, rtx x, rtx_insn *insn)
/* Pending lists can't get larger with a readonly context. */
if (!deps->readonly
&& ((deps->pending_read_list_length + deps->pending_write_list_length)
> MAX_PENDING_LIST_LENGTH))
>= MAX_PENDING_LIST_LENGTH))
{
/* Flush all pending reads and writes to prevent the pending lists
from getting any larger. Insn scheduling runs too slowly when
@ -2722,7 +2722,7 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
{
if ((deps->pending_read_list_length
+ deps->pending_write_list_length)
> MAX_PENDING_LIST_LENGTH
>= MAX_PENDING_LIST_LENGTH
&& !DEBUG_INSN_P (insn))
flush_pending_lists (deps, insn, true, true);
add_insn_mem_dependence (deps, true, insn, x);
@ -3227,8 +3227,8 @@ sched_analyze_insn (struct deps_desc *deps, rtx x, rtx_insn *insn)
EXECUTE_IF_SET_IN_REG_SET (reg_pending_clobbers, 0, i, rsi)
{
struct deps_reg *reg_last = &deps->reg_last[i];
if (reg_last->uses_length > MAX_PENDING_LIST_LENGTH
|| reg_last->clobbers_length > MAX_PENDING_LIST_LENGTH)
if (reg_last->uses_length >= MAX_PENDING_LIST_LENGTH
|| reg_last->clobbers_length >= MAX_PENDING_LIST_LENGTH)
{
add_dependence_list_and_free (deps, insn, &reg_last->sets, 0,
REG_DEP_OUTPUT, false);
@ -3661,7 +3661,7 @@ deps_analyze_insn (struct deps_desc *deps, rtx_insn *insn)
&& sel_insn_is_speculation_check (insn)))
{
/* Keep the list a reasonable size. */
if (deps->pending_flush_length++ > MAX_PENDING_LIST_LENGTH)
if (deps->pending_flush_length++ >= MAX_PENDING_LIST_LENGTH)
flush_pending_lists (deps, insn, true, true);
else
deps->pending_jump_insns