On 05/20/2015 02:39 PM, Jakub Jelinek wrote:
On Wed, May 20, 2015 at 02:01:44PM +0200, Bernd Schmidt wrote:
To implement OpenACC vector-single mode, we need to ensure that only one
thread out of the group representing a worker executes. The others skip
computations but follow along the CFG, so t
On Wed, May 20, 2015 at 02:01:44PM +0200, Bernd Schmidt wrote:
> To implement OpenACC vector-single mode, we need to ensure that only one
> thread out of the group representing a worker executes. The others skip
> computations but follow along the CFG, so the results of conditional branch
> decisio
To implement OpenACC vector-single mode, we need to ensure that only one
thread out of the group representing a worker executes. The others skip
computations but follow along the CFG, so the results of conditional
branch decisions must be broadcast to them.
The patch below adds a new builtin a