[Mesa-dev] [PATCH v2 31/78] i965/nir/vec4: Implement the addition operation

Eduardo Lima Mitev elima at igalia.com
Thu Jul 23 03:17:11 PDT 2015


From: Antia Puentes <apuentes at igalia.com>

Adds NIR ALU operations:
   * nir_op_fadd
   * nir_op_iadd
---
 src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 533d2d3..6a340eb 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -696,6 +696,13 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
       inst = emit(MOV(dst, op[0]));
       break;
 
+   case nir_op_fadd:
+      /* fall through */
+   case nir_op_iadd:
+      inst = emit(ADD(dst, op[0], op[1]));
+      inst->saturate = instr->dest.saturate;
+      break;
+
    default:
       unreachable("Unimplemented ALU operation");
    }
-- 
2.1.4



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