[Mesa-dev] [PATCH v2 50/78] i965/nir/vec4: Implement "shift" operations

[Eduardo Lima Mitev]

From: Antia Puentes <apuentes at igalia.com>

Adds NIR ALU operations:
   * nir_op_ishl
   * nir_op_ishr
   * nir_op_ushr
---
 src/mesa/drivers/dri/i965/brw_vec4_nir.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 05419a8..0ee8827 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1184,6 +1184,18 @@ vec4_visitor::nir_emit_alu(nir_alu_instr *instr)
       inst->predicate = BRW_PREDICATE_NORMAL;
       break;
 
+   case nir_op_ishl:
+      emit(SHL(dst, op[0], op[1]));
+      break;
+
+   case nir_op_ishr:
+      emit(ASR(dst, op[0], op[1]));
+      break;
+
+   case nir_op_ushr:
+      emit(SHR(dst, op[0], op[1]));
+      break;
+
    default:
       unreachable("Unimplemented ALU operation");
    }
-- 
2.1.4