On Mon, 23 Jun 2014, Cong Hou wrote:
It has been 8 months since this patch is posted. I have addressed all
comments to this patch.
The SAD pattern is very useful for some multimedia algorithms like
ffmpeg. This patch will greatly improve the performance of such
algorithms. Could you please
On Tue, Dec 3, 2013 at 2:06 AM, Cong Hou co...@google.com wrote:
Hi Richard
Could you please take a look at this patch and see if it is ready for
the trunk? The patch is pasted as a text file here again.
(found it)
The patch is ok for trunk. (please consider re-testing before you commit)
OK. Thank you very much for your review, Richard!
thanks,
Cong
On Tue, Jun 24, 2014 at 4:19 AM, Richard Biener
richard.guent...@gmail.com wrote:
On Tue, Dec 3, 2013 at 2:06 AM, Cong Hou co...@google.com wrote:
Hi Richard
Could you please take a look at this patch and see if it is ready for
It has been 8 months since this patch is posted. I have addressed all
comments to this patch.
The SAD pattern is very useful for some multimedia algorithms like
ffmpeg. This patch will greatly improve the performance of such
algorithms. Could you please have a look again and check if it is OK
for
Ping?
thanks,
Cong
On Mon, Dec 2, 2013 at 5:06 PM, Cong Hou co...@google.com wrote:
Hi Richard
Could you please take a look at this patch and see if it is ready for
the trunk? The patch is pasted as a text file here again.
Thank you very much!
Cong
On Mon, Nov 11, 2013 at 11:25 AM,
Hi Richard
Could you please take a look at this patch and see if it is ready for
the trunk? The patch is pasted as a text file here again.
Thank you very much!
Cong
On Mon, Nov 11, 2013 at 11:25 AM, Cong Hou co...@google.com wrote:
Hi James
Sorry for the late reply.
On Fri, Nov 8, 2013
Ping...
thanks,
Cong
On Fri, Nov 15, 2013 at 9:52 AM, Cong Hou co...@google.com wrote:
Any more comments?
thanks,
Cong
On Wed, Nov 13, 2013 at 6:06 PM, Cong Hou co...@google.com wrote:
Ping?
thanks,
Cong
On Mon, Nov 11, 2013 at 11:25 AM, Cong Hou co...@google.com wrote:
Hi
Any more comments?
thanks,
Cong
On Wed, Nov 13, 2013 at 6:06 PM, Cong Hou co...@google.com wrote:
Ping?
thanks,
Cong
On Mon, Nov 11, 2013 at 11:25 AM, Cong Hou co...@google.com wrote:
Hi James
Sorry for the late reply.
On Fri, Nov 8, 2013 at 2:55 AM, James Greenhalgh
Ping?
thanks,
Cong
On Mon, Nov 11, 2013 at 11:25 AM, Cong Hou co...@google.com wrote:
Hi James
Sorry for the late reply.
On Fri, Nov 8, 2013 at 2:55 AM, James Greenhalgh
james.greenha...@arm.com wrote:
On Tue, Nov 5, 2013 at 9:58 AM, Cong Hou co...@google.com wrote:
Thank you for
Hi James
Sorry for the late reply.
On Fri, Nov 8, 2013 at 2:55 AM, James Greenhalgh
james.greenha...@arm.com wrote:
On Tue, Nov 5, 2013 at 9:58 AM, Cong Hou co...@google.com wrote:
Thank you for your detailed explanation.
Once GCC detects a reduction operation, it will automatically
On Tue, Nov 5, 2013 at 9:58 AM, Cong Hou co...@google.com wrote:
Thank you for your detailed explanation.
Once GCC detects a reduction operation, it will automatically
accumulate all elements in the vector after the loop. In the loop the
reduction variable is always a vector whose
Now is this patch OK for the trunk? Thank you!
thanks,
Cong
On Tue, Nov 5, 2013 at 9:58 AM, Cong Hou co...@google.com wrote:
Thank you for your detailed explanation.
Once GCC detects a reduction operation, it will automatically
accumulate all elements in the vector after the loop. In the
On Mon, Nov 04, 2013 at 06:30:55PM +, Cong Hou wrote:
On Mon, Nov 4, 2013 at 2:06 AM, James Greenhalgh
james.greenha...@arm.com wrote:
On Fri, Nov 01, 2013 at 04:48:53PM +, Cong Hou wrote:
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 2a5a2e1..8f5d39a 100644
---
Thank you for your detailed explanation.
Once GCC detects a reduction operation, it will automatically
accumulate all elements in the vector after the loop. In the loop the
reduction variable is always a vector whose elements are reductions of
corresponding values from other vectors. Therefore in
On Fri, Nov 01, 2013 at 04:48:53PM +, Cong Hou wrote:
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 2a5a2e1..8f5d39a 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -4705,6 +4705,16 @@ wider mode, is computed and added to operand 3.
Operand 3 is of a mode equal or
wider
On Mon, Nov 4, 2013 at 2:06 AM, James Greenhalgh
james.greenha...@arm.com wrote:
On Fri, Nov 01, 2013 at 04:48:53PM +, Cong Hou wrote:
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 2a5a2e1..8f5d39a 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -4705,6 +4705,16 @@ wider
On Fri, Nov 1, 2013 at 3:03 AM, Cong Hou co...@google.com wrote:
According to your comments, I made the following modifications to this patch:
1. Now SAD pattern does not require the first and second operands to
be unsigned. And two versions (signed/unsigned) of the SAD optabs are
defined:
On Fri, Nov 01, 2013 at 02:03:52AM +, Cong Hou wrote:
3. Add the document for SAD_EXPR.
I think this patch should also document the new Standard Names usad and
ssad in doc/md.texi?
Your Changelog is missing the change to doc/generic.texi.
Thanks,
James
Hello!
SAD (Sum of Absolute Differences) is a common and important algorithm
in image processing and other areas. SSE2 even introduced a new
instruction PSADBW for it. A SAD loop can be greatly accelerated by
this instruction after being vectorized. This patch introduced a new
operation
On Tue, 29 Oct 2013, Cong Hou wrote:
Hi
SAD (Sum of Absolute Differences) is a common and important algorithm
in image processing and other areas. SSE2 even introduced a new
instruction PSADBW for it. A SAD loop can be greatly accelerated by
this instruction after being vectorized. This
On Wed, Oct 30, 2013 at 4:27 AM, Richard Biener rguent...@suse.de wrote:
On Tue, 29 Oct 2013, Cong Hou wrote:
Hi
SAD (Sum of Absolute Differences) is a common and important algorithm
in image processing and other areas. SSE2 even introduced a new
instruction PSADBW for it. A SAD loop can be
On Tue, Oct 29, 2013 at 4:49 PM, Ramana Radhakrishnan
ramana@googlemail.com wrote:
Cong,
Please don't do the following.
+++ b/gcc/testsuite/gcc.dg/vect/
vect-reduc-sad.c
@@ -0,0 +1,54 @@
+/* { dg-require-effective-target sse2 { target { i?86-*-* x86_64-*-* } } } */
you are adding a
On Thu, Oct 31, 2013 at 12:29 AM, Cong Hou co...@google.com wrote:
On Tue, Oct 29, 2013 at 4:49 PM, Ramana Radhakrishnan
ramana@googlemail.com wrote:
Cong,
Please don't do the following.
+++ b/gcc/testsuite/gcc.dg/vect/
vect-reduc-sad.c
@@ -0,0 +1,54 @@
+/* {
Hi
SAD (Sum of Absolute Differences) is a common and important algorithm
in image processing and other areas. SSE2 even introduced a new
instruction PSADBW for it. A SAD loop can be greatly accelerated by
this instruction after being vectorized. This patch introduced a new
operation SAD_EXPR and
Cong,
Please don't do the following.
+++ b/gcc/testsuite/gcc.dg/vect/
vect-reduc-sad.c
@@ -0,0 +1,54 @@
+/* { dg-require-effective-target sse2 { target { i?86-*-* x86_64-*-* } } } */
you are adding a test to gcc.dg/vect - It's a common directory
containing tests that need to run on multiple
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