On 01/04/11 15:10, H.J. Lu wrote:
We need a testcase to investigate.
This is now PR47167.
Cheers,
Martin
On Tue, Jan 4, 2011 at 5:57 AM, Martin Reinecke
wrote:
>
>
> On 01/04/11 14:48, H.J. Lu wrote:
>>
>> On Tue, Jan 4, 2011 at 4:43 AM, Martin Reinecke
>> wrote:
>>>
>>> Hi,
>>>
>>> while benchmarking a numerical C library making heavy use of SSE2
>>> intrinsics, I have noticed a significant (aroun
On 01/04/11 14:48, H.J. Lu wrote:
On Tue, Jan 4, 2011 at 4:43 AM, Martin Reinecke
wrote:
Hi,
while benchmarking a numerical C library making heavy use of SSE2
intrinsics, I have noticed a significant (around 10 percent) slowdown
in the code generated by the current gcc trunk, compared to th
On Tue, Jan 4, 2011 at 4:43 AM, Martin Reinecke
wrote:
> Hi,
>
> while benchmarking a numerical C library making heavy use of SSE2
> intrinsics, I have noticed a significant (around 10 percent) slowdown
> in the code generated by the current gcc trunk, compared to the one
> produced by the 4.5.1 r
Hi,
while benchmarking a numerical C library making heavy use of SSE2
intrinsics, I have noticed a significant (around 10 percent) slowdown
in the code generated by the current gcc trunk, compared to the one
produced by the 4.5.1 release.
It's quite hard to reduce the code to a small test case, b