On 10/20/2010 7:48 PM, Jie Zhang wrote:
Running CPU2006, with the hack removed I see about a 1% improvement in
specint (10% in 456.hmmer, a couple others in the 3% range, -3%
401.bzip2) and a 1% degradation in specfp (mainly due to a 13%
degradation in 435.gromacs). But 454.calculix also fails
On 10/23/2010 01:50 AM, Pat Haugen wrote:
On 10/20/2010 7:48 PM, Jie Zhang wrote:
Running CPU2006, with the hack removed I see about a 1% improvement in
specint (10% in 456.hmmer, a couple others in the 3% range, -3%
401.bzip2) and a 1% degradation in specfp (mainly due to a 13%
degradation in
On 10/18/2010 10:33 AM, Jeff Law wrote:
On 10/18/10 09:22, David Edelsohn wrote:
On Mon, Oct 18, 2010 at 8:27 AM, Nathan
Froydfroy...@codesourcery.com wrote:
On Mon, Oct 18, 2010 at 02:49:21PM +0800, Jie Zhang wrote:
3. The aforementioned rs6000 hack rs6000_issue_rate was added by
On 10/21/2010 04:08 AM, Pat Haugen wrote:
On 10/18/2010 10:33 AM, Jeff Law wrote:
On 10/18/10 09:22, David Edelsohn wrote:
On Mon, Oct 18, 2010 at 8:27 AM, Nathan
Froydfroy...@codesourcery.com wrote:
On Mon, Oct 18, 2010 at 02:49:21PM +0800, Jie Zhang wrote:
3. The aforementioned rs6000 hack
On 10/18/2010 03:41 PM, Andrey Belevantsev wrote:
On 18.10.2010 11:31, Jie Zhang wrote:
Hi Andrey,
On 10/18/2010 03:13 PM, Andrey Belevantsev wrote:
Hi Jie,
On 18.10.2010 10:49, Jie Zhang wrote:
When this error happens, FENCE_ISSUED_INSNS (fence) is 2 and
issue_rate is
1. PowerPC 8540 is
On 19.10.2010 17:57, Jie Zhang wrote:
Removing the failing assert fixes the test case. But I wonder why not just
get max_issue correct. I'm testing the attached patch. IMHO, max_issue
looks confusing.
* The concept of ISSUE POINT has never been used since the code landed in
repository.
* In
On 10/19/10 6:16 PM, Andrey Belevantsev wrote:
...
I agree that ISSUE_POINTS can be removed, as it was not used (maybe
Maxim can comment more on this).
I too agree with removing ISSUE_POINTS, it never found any use.
Regards,
--
Maxim Kuvyrkov
CodeSourcery
ma...@codesourcery.com
(650)
On 10/19/2010 10:16 PM, Andrey Belevantsev wrote:
On 19.10.2010 17:57, Jie Zhang wrote:
Removing the failing assert fixes the test case. But I wonder why not
just
get max_issue correct. I'm testing the attached patch. IMHO, max_issue
looks confusing.
* The concept of ISSUE POINT has never been
[quote]
Target Hook: int TARGET_SCHED_ISSUE_RATE (void)
[snip]
Although the insn scheduler can define itself the possibility of issue
an insn on the same cycle, the value can serve as an additional
constraint to issue insns on the same simulated processor cycle
[snip]
[/quote]
it should
Hi,
I'm investigating a GCC testsuite FAIL of PowerPC with e500 multilib.
The test is pr42245.c, which sets options to -O2 -fselective-scheduling
-fsel-sched-pipelining.
$ ./cc1 -quiet pr42245.c -mcpu=8540 -mfloat-gprs=single -O2
-fselective-scheduling
pr42245.c: In function
Hi Jie,
On 18.10.2010 10:49, Jie Zhang wrote:
When this error happens, FENCE_ISSUED_INSNS (fence) is 2 and issue_rate is
1. PowerPC 8540 is capable to issue 2 instructions in one cycle, but
rs6000_issue_rate lies to scheduler that it can only issue 1 instruction
before register relocation is
Hi Andrey,
On 10/18/2010 03:13 PM, Andrey Belevantsev wrote:
Hi Jie,
On 18.10.2010 10:49, Jie Zhang wrote:
When this error happens, FENCE_ISSUED_INSNS (fence) is 2 and
issue_rate is
1. PowerPC 8540 is capable to issue 2 instructions in one cycle, but
rs6000_issue_rate lies to scheduler that
On 18.10.2010 11:31, Jie Zhang wrote:
Hi Andrey,
On 10/18/2010 03:13 PM, Andrey Belevantsev wrote:
Hi Jie,
On 18.10.2010 10:49, Jie Zhang wrote:
When this error happens, FENCE_ISSUED_INSNS (fence) is 2 and
issue_rate is
1. PowerPC 8540 is capable to issue 2 instructions in one cycle, but
On Mon, Oct 18, 2010 at 02:49:21PM +0800, Jie Zhang wrote:
3. The aforementioned rs6000 hack rs6000_issue_rate was added by
2003-03-03 David Edelsohn edels...@gnu.org
* config/rs6000/rs6000.c (rs6000_multipass_dfa_lookahead): Delete.
On Mon, Oct 18, 2010 at 8:27 AM, Nathan Froyd froy...@codesourcery.com wrote:
On Mon, Oct 18, 2010 at 02:49:21PM +0800, Jie Zhang wrote:
3. The aforementioned rs6000 hack rs6000_issue_rate was added by
2003-03-03 David Edelsohn edels...@gnu.org
* config/rs6000/rs6000.c
On 10/18/10 09:22, David Edelsohn wrote:
On Mon, Oct 18, 2010 at 8:27 AM, Nathan Froydfroy...@codesourcery.com wrote:
On Mon, Oct 18, 2010 at 02:49:21PM +0800, Jie Zhang wrote:
3. The aforementioned rs6000 hack rs6000_issue_rate was added by
2003-03-03 David Edelsohnedels...@gnu.org
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