[Mesa-dev] [PATCH v2 15/18] intel/compiler: implement 16-bit pack/unpack opcodes
Iago Toral Quiroga
itoral at igalia.com
Mon Apr 30 14:18:23 UTC 2018
---
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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