[Mesa-dev] [PATCH v3 6/7] i965/vec4: Implement nir_op_uadd_sat

Jason Ekstrand jason at jlekstrand.net
Mon Oct 29 15:00:12 UTC 2018


---
 src/intel/compiler/brw_vec4_nir.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/intel/compiler/brw_vec4_nir.cpp b/src/intel/compiler/brw_vec4_nir.cpp
index 5ccfd1f8940..b0ee0f9720d 100644
--- a/src/intel/compiler/brw_vec4_nir.cpp
+++ b/src/intel/compiler/brw_vec4_nir.cpp
@@ -1230,6 +1230,12 @@ 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;
-- 
2.19.1



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