nouveau: request ufind_msb64 lowering in the frontend.

This passes the piglit CL builtin-ulong-clz-1.0.generated.cl
test.

Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Karol Herbst <kherbst@redhat.com>

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index cb3c5548427a6818538af1ad967e8f04f8e2fbb9..c7779c26548af9dce6644751b46b419455c830c1 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -972,7 +972,7 @@ static const nir_shader_compiler_options nir_options = {
    .use_interpolated_input_intrinsics = true,
    .lower_mul_2x32_64 = true, // TODO
    .max_unroll_iterations = 32,
-   .lower_int64_options = nir_lower_divmod64, // TODO
+   .lower_int64_options = nir_lower_ufind_msb64|nir_lower_divmod64, // TODO
    .lower_doubles_options = nir_lower_dmod, // TODO
    .lower_to_scalar = true,
 };