i965/vec4: Implement nir_op_uadd_sat

Reviewed-by: Ian Romanick ian.d.romanick@intel.com

diff --git a/src/intel/compiler/brw_vec4_nir.cpp b/src/intel/compiler/brw_vec4_nir.cpp
index 4f97e96afa84a26d70dcddc1029b7616e010ed6d..26dc3110e2c14b3f24c9ca797fc3a79a5ef57cd6 100644 (file)
--- a/src/intel/compiler/brw_vec4_nir.cpp
+++ b/src/intel/compiler/brw_vec4_nir.cpp
@@ -1085,6 +1085,12 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
       inst->saturate = instr->dest.saturate;
       break;
 
+   case nir_op_uadd_sat:
+      assert(nir_dest_bit_size(instr->dest.dest) < 64);
+      inst = emit(ADD(dst, op[0], op[1]));
+      inst->saturate = true;
+      break;
+
    case nir_op_fmul:
       inst = emit(MUL(dst, op[0], op[1]));
       inst->saturate = instr->dest.saturate;