PR rtl-optimization/68920
* ifcvt.c (cond_move_process_if_block): Limit number of conditional
moves.
Ok. This should probably be consolidated a bit post 6.0.
Bernd
Hi Bernd,
Here is updated patch as your proposed to avoid regression on ia64.
Bootstarp and regression testing on x86_64 did not show any new failures.
Is it OK for trunk?
Thanks.
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c
index 189d60f..ef6fa69 100644
--- a/gcc/ifcvt.c
+++ b/gcc/ifcvt.c
@@ -3730,6
On 01/12/2016 04:41 PM, Yuri Rumyantsev wrote:
Here is a simple fix to exclude dg/ifcvt-5.c test from ia64 testing.
Is it OK for trunk?
Please ensure patches are attached as plain text so that reviewers don't
have to save them to be able to read them.
It looks like ia64 is making chanes in
Hi All,
Here is a simple fix to exclude dg/ifcvt-5.c test from ia64 testing.
Is it OK for trunk?
testsuite/ChangeLog:
2016-01-12 Yuri Rumyantsev
PR rtl-optimization/68920
gcc/testsuite/ChangeLog
* gcc.dg/ifcvt-5.c: Exclude it from ia64 testing.
2016-01-12 17:01 GMT+03:00 Andreas Schwab :
> Y
Yuri Rumyantsev writes:
> Is it OK for you if we exclude dg/ifcvt-5.c from ia64 testing
Sure, go ahead.
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
Andreas,
Is it OK for you if we exclude dg/ifcvt-5.c from ia64 testing since
predication must be used instead of conditional move's.
2016-01-12 13:07 GMT+03:00 Andreas Schwab :
> gcc.dg/ifcvt-5.c fails on ia64:
>
> From ifcvt-5.c.223r.ce1:
>
> == Pass 2 ==
>
>
> == no more
gcc.dg/ifcvt-5.c fails on ia64:
>From ifcvt-5.c.223r.ce1:
== Pass 2 ==
== no more changes
1 possible IF blocks searched.
1 IF blocks converted.
2 true changes made.
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE
On 12/31/2015 10:21 AM, Yuri Rumyantsev wrote:
Here is slightly modified patch which limits a number of conditional
moves instead of changing conditional branch cost. This is in fact a
work-around for very poor cost model which needs to be enhanced to
evaluate cost of conditional move that could
Hi All,
Here is slightly modified patch which limits a number of conditional
moves instead of changing conditional branch cost. This is in fact a
work-around for very poor cost model which needs to be enhanced to
evaluate cost of conditional move that could be greater then cost of
ordinary move (f
On Fri, Dec 18, 2015 at 05:09:14PM +0300, Yuri Rumyantsev wrote:
> James,
>
> We implemented slightly different patch - we restrict number of SET
> instructions for if-conversion through new parameter and add check in
> bb_ok_for_noce_convert_multiple_sets:
>
> + unsigned limit = MIN (ii->branch
James,
We implemented slightly different patch - we restrict number of SET
instructions for if-conversion through new parameter and add check in
bb_ok_for_noce_convert_multiple_sets:
+ unsigned limit = MIN (ii->branch_cost,
+ (unsigned) PARAM_VALUE (PARAM_MAX_IF_CONV_SET_INSNS));
..
- if (count
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