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On 03/30/2011 09:34 PM, Tom Stellard wrote:
> Ok, this makes sense. It would be pretty easy to modify my original patch
> to do this, but maybe it's better change the way ir_to_mesa.cpp converts
> conditional assignments to Mesa IR. Do you have any
On Wed, Mar 30, 2011 at 10:09:58AM -0700, Ian Romanick wrote:
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> On 03/29/2011 08:27 PM, Tom Stellard wrote:
> >
> > The reason there are reads of undefined values is because of all the
> > conditional assignments generated by the IF to condition
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On 03/29/2011 08:27 PM, Tom Stellard wrote:
> On Tue, Mar 29, 2011 at 02:16:39PM -0700, Eric Anholt wrote:
>
>> On Tue, 29 Mar 2011 11:35:33 -0700, Tom Stellard wrote:
>>> On Tue, Mar 29, 2011 at 10:19:13AM -0700, Eric Anholt wrote:
On Mon, 28 M
On Tue, Mar 29, 2011 at 02:11:01PM -0400, Jerome Glisse wrote:
>
> Long time since i have look into mesa shader but your code seems to
> completely ignore program flow and thus might face wrong positive. For
> instance :
>
> Consider a flow graph, in this flow graph consider B0 & B1 two
> differe
On Tue, Mar 29, 2011 at 02:16:39PM -0700, Eric Anholt wrote:
> t
> On Tue, 29 Mar 2011 11:35:33 -0700, Tom Stellard wrote:
> > On Tue, Mar 29, 2011 at 10:19:13AM -0700, Eric Anholt wrote:
> > > On Mon, 28 Mar 2011 22:59:31 -0700, Tom Stellard
> > > wrote:
> > > > This pass scans programs for in
tOn Tue, 29 Mar 2011 11:35:33 -0700, Tom Stellard wrote:
> On Tue, Mar 29, 2011 at 10:19:13AM -0700, Eric Anholt wrote:
> > On Mon, 28 Mar 2011 22:59:31 -0700, Tom Stellard wrote:
> > > This pass scans programs for instructions that read registers that have
> > > not been written and replaces the
On Tue, Mar 29, 2011 at 10:19:13AM -0700, Eric Anholt wrote:
> On Mon, 28 Mar 2011 22:59:31 -0700, Tom Stellard wrote:
> > This pass scans programs for instructions that read registers that have
> > not been written and replaces these reads with a read from a constant
> > register with the value o
On Tue, Mar 29, 2011 at 1:59 AM, Tom Stellard wrote:
> This pass scans programs for instructions that read registers that have
> not been written and replaces these reads with a read from a constant
> register with the value of zero. This pass prevents phantom
> dependencies from being introduced
On Mon, 28 Mar 2011 22:59:31 -0700, Tom Stellard wrote:
> This pass scans programs for instructions that read registers that have
> not been written and replaces these reads with a read from a constant
> register with the value of zero. This pass prevents phantom
> dependencies from being introdu
This pass scans programs for instructions that read registers that have
not been written and replaces these reads with a read from a constant
register with the value of zero. This pass prevents phantom
dependencies from being introduced by the register allocator and
improves the efficiency of subs
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