Mesa (main): pan/lower_framebuffer: Don't open-code pad_vec4

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Module: Mesa
Branch: main
Commit: 5fe35012c9917cde63359982c2c75de23e0dacd8
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5fe35012c9917cde63359982c2c75de23e0dacd8

Author: Alyssa Rosenzweig <alyssa at collabora.com>
Date:   Tue Jun 15 12:40:29 2021 -0400

pan/lower_framebuffer: Don't open-code pad_vec4

Signed-off-by: Alyssa Rosenzweig <alyssa at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11383>

---

 src/panfrost/util/pan_lower_framebuffer.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/panfrost/util/pan_lower_framebuffer.c b/src/panfrost/util/pan_lower_framebuffer.c
index 2f78ea769e3..abe6abada93 100644
--- a/src/panfrost/util/pan_lower_framebuffer.c
+++ b/src/panfrost/util/pan_lower_framebuffer.c
@@ -193,10 +193,7 @@ pan_unpack_pure_16(nir_builder *b, nir_ssa_def *pack, unsigned num_components)
                 unpacked[i + 1] = nir_channel(b, halves, 1);
         }
 
-        for (unsigned i = num_components; i < 4; ++i)
-                unpacked[i] = nir_imm_intN_t(b, 0, 16);
-
-        return nir_vec(b, unpacked, 4);
+        return nir_pad_vec4(b, nir_vec(b, unpacked, num_components));
 }
 
 static nir_ssa_def *