Matt Turner <matts...@gmail.com> writes:
> ---
> src/mesa/drivers/dri/i965/brw_fs.cpp | 16 ++++++++++++++++
> src/mesa/drivers/dri/i965/brw_fs.h | 3 +++
> 2 files changed, 19 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
> b/src/mesa/drivers/dri/i965/brw_fs.cpp
> index 77b898b..9b56764 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
> @@ -730,6 +730,22 @@ fs_inst::regs_read(fs_visitor *v, int arg)
> return 1;
> }
>
> +bool
> +fs_inst::reads_flag()
> +{
> + if (predicate)
> + return true;
> + return false;
> +}
> +
> +bool
> +fs_inst::writes_flag()
> +{
> + if (conditional_mod)
> + return true;
> + return false;
> +}FS_OPCODE_MOV_DISPATCH_TO_FLAGS changes a flag reg. I didn't come up with any other readers off the top of my head.
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