On Mon, Feb 29, 2016 at 4:43 PM, Francisco Jerez wrote:
> Matt Turner writes:
>
>>> i965: Don't try copy propagation if constant propagation succeeded.
>>>
>>> It cannot get any better.
>>
>> That's not obvious to me. How do we know that?
>
> Because
Matt Turner writes:
>> i965: Don't try copy propagation if constant propagation succeeded.
>>
>> It cannot get any better.
>
> That's not obvious to me. How do we know that?
Because it's impossible to copy-propagate anything into a source that's
already an immediate. ;)
> i965: Don't try copy propagation if constant propagation succeeded.
>
> It cannot get any better.
That's not obvious to me. How do we know that?
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On Fri, 2016-02-26 at 22:02 -0800, Francisco Jerez wrote:
> It cannot get any better.
> ---
> src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 2 +-
> src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git
It cannot get any better.
---
src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp | 2 +-
src/mesa/drivers/dri/i965/brw_vec4_copy_propagation.cpp | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp