Mesa (staging/18.3): nir/lower_alu_to_scalar: Don't try to lower unpack_32_2x16

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Module: Mesa
Branch: staging/18.3
Commit: 087f1534ae5bcfb9e4aa736e6c559ab4b768527a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=087f1534ae5bcfb9e4aa736e6c559ab4b768527a

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Tue Nov 13 13:24:34 2018 -0600

nir/lower_alu_to_scalar: Don't try to lower unpack_32_2x16

It messes up when trying to lower.

Cc: mesa-stable at lists.freedesktop.org
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias at igalia.com>
(cherry picked from commit 4266932c0b301005dcc747fb6c2fef36a3af6ffe)

---

 src/compiler/nir/nir_lower_alu_to_scalar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/nir/nir_lower_alu_to_scalar.c b/src/compiler/nir/nir_lower_alu_to_scalar.c
index 0be3aba945..7ef032cd16 100644
--- a/src/compiler/nir/nir_lower_alu_to_scalar.c
+++ b/src/compiler/nir/nir_lower_alu_to_scalar.c
@@ -194,6 +194,7 @@ lower_alu_instr_scalar(nir_alu_instr *instr, nir_builder *b)
    }
 
    case nir_op_unpack_64_2x32:
+   case nir_op_unpack_32_2x16:
       return false;
 
       LOWER_REDUCTION(nir_op_fdot, nir_op_fmul, nir_op_fadd);