* RFC: Odd code in sched-deps.c:compute_forward_dependences
@ 2003-02-03 23:10 Graham Stott
2003-02-03 23:23 ` Graham Stott
0 siblings, 1 reply; 2+ messages in thread
From: Graham Stott @ 2003-02-03 23:10 UTC (permalink / raw)
To: gcc
Hi
While look thru the scheduling code I've spotted an odd looking
bit of code which looks like it's got a typo.
void
compute_forward_dependences (head, tail)
rtx head, tail;
{
.....
for (link = LOG_LINKS (insn); link; link = XEXP (link, 1))
{
rtx x = XEXP (link, 0);
rtx new_link;
if (x != XEXP (link, 0))
continue;
As written the x != XEXP (link, 0) test can never be true due to the
initial assignment to x.
Do anyone have any idea what's up?
Graham
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: RFC: Odd code in sched-deps.c:compute_forward_dependences
2003-02-03 23:10 RFC: Odd code in sched-deps.c:compute_forward_dependences Graham Stott
@ 2003-02-03 23:23 ` Graham Stott
0 siblings, 0 replies; 2+ messages in thread
From: Graham Stott @ 2003-02-03 23:23 UTC (permalink / raw)
To: Graham Stott; +Cc: gcc
All,
Graham Stott wrote:
> Do anyone have any idea what's up?
>
Answering my own Q :-)
It looks like the test is now redundant followings vald's
28-01-01 scheduling patch which removed group_leader.
Graham
^ permalink raw reply [flat|nested] 2+ messages in thread
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2003-02-03 23:10 RFC: Odd code in sched-deps.c:compute_forward_dependences Graham Stott
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