From: Dave Airlie <airlied@redhat.com>
Date: Tue, 19 Nov 2019 23:23:46 +0000 (+1000)
Subject: nouveau: request ufind_msb64 lowering in the frontend.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e3b21dfcb118ec097fb48b5c1415c9d2e87beade;p=mesa.git

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 cb3c5548427..c7779c26548 100644
--- 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,
 };