[Mesa-dev] [PATCH v2 15/18] intel/compiler: implement 16-bit pack/unpack opcodes

[Iago Toral Quiroga]

---
 src/intel/compiler/brw_fs_nir.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/intel/compiler/brw_fs_nir.cpp 
b/src/intel/compiler/brw_fs_nir.cpp
index d590a00385..25e85b9b25 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -1313,6 +1313,7 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, 
nir_alu_instr *instr)
       break;
 
    case nir_op_pack_64_2x32_split:
+   case nir_op_pack_32_2x16_split:
       bld.emit(FS_OPCODE_PACK, result, op[0], op[1]);
       break;
 
@@ -1325,6 +1326,15 @@ fs_visitor::nir_emit_alu(const fs_builder &bld, 
nir_alu_instr *instr)
       break;
    }
 
+   case nir_op_unpack_32_2x16_split_x:
+   case nir_op_unpack_32_2x16_split_y: {
+      if (instr->op == nir_op_unpack_32_2x16_split_x)
+         bld.MOV(result, subscript(op[0], BRW_REGISTER_TYPE_UW, 0));
+      else
+         bld.MOV(result, subscript(op[0], BRW_REGISTER_TYPE_UW, 1));
+      break;
+   }
+
    case nir_op_fpow:
       inst = bld.emit(SHADER_OPCODE_POW, result, op[0], op[1]);
       inst->saturate = instr->dest.saturate;
-- 
2.14.1

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