From: Antia Puentes <apuentes@igalia.com>
Date: Wed, 17 Jun 2015 07:49:31 +0000 (+0200)
Subject: i965/nir/vec4: Implement "shift" operations
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d12e165dbb403c3cf86ab7f1b8f28ab6188b479f;p=mesa.git

i965/nir/vec4: Implement "shift" operations

Adds NIR ALU operations:
   * nir_op_ishl
   * nir_op_ishr
   * nir_op_ushr

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
index 560797068fb..b332fd315fb 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
@@ -1181,6 +1181,18 @@ 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");
    }