[Beignet] [PATCH 2/7] replace rndz with llvm intrinsic.

[xionghu.luo at intel.com]

From: Luo Xionghu <xionghu.luo at intel.com>

translate native rndz to llvm.trunc.

Signed-off-by: Luo Xionghu <xionghu.luo at intel.com>
---
 backend/src/libocl/tmpl/ocl_math.tmpl.cl   | 2 +-
 backend/src/llvm/llvm_gen_backend.cpp      | 2 --
 backend/src/llvm/llvm_gen_ocl_function.hxx | 1 -
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/backend/src/libocl/tmpl/ocl_math.tmpl.cl b/backend/src/libocl/tmpl/ocl_math.tmpl.cl
index 681e70c..a3e29bb 100644
--- a/backend/src/libocl/tmpl/ocl_math.tmpl.cl
+++ b/backend/src/libocl/tmpl/ocl_math.tmpl.cl
@@ -32,7 +32,7 @@ CONST float __gen_ocl_log(float x) __asm("llvm.log2" ".f32");
 CONST float __gen_ocl_exp(float x) __asm("llvm.exp2" ".f32");
 PURE CONST float __gen_ocl_pow(float x, float y);
 PURE CONST float __gen_ocl_rcp(float x);
-PURE CONST float __gen_ocl_rndz(float x);
+CONST float __gen_ocl_rndz(float x) __asm("llvm.trunc" ".f32");
 PURE CONST float __gen_ocl_rnde(float x);
 PURE CONST float __gen_ocl_rndu(float x);
 PURE CONST float __gen_ocl_rndd(float x);
diff --git a/backend/src/llvm/llvm_gen_backend.cpp b/backend/src/llvm/llvm_gen_backend.cpp
index a42ee40..288f6a3 100644
--- a/backend/src/llvm/llvm_gen_backend.cpp
+++ b/backend/src/llvm/llvm_gen_backend.cpp
@@ -2673,7 +2673,6 @@ namespace gbe
       case GEN_OCL_POW:
       case GEN_OCL_RCP:
       case GEN_OCL_ABS:
-      case GEN_OCL_RNDZ:
       case GEN_OCL_RNDE:
       case GEN_OCL_RNDU:
       case GEN_OCL_RNDD:
@@ -3076,7 +3075,6 @@ namespace gbe
           }
           case GEN_OCL_RSQ: this->emitUnaryCallInst(I,CS,ir::OP_RSQ); break;
           case GEN_OCL_RCP: this->emitUnaryCallInst(I,CS,ir::OP_RCP); break;
-          case GEN_OCL_RNDZ: this->emitUnaryCallInst(I,CS,ir::OP_RNDZ); break;
           case GEN_OCL_RNDE: this->emitUnaryCallInst(I,CS,ir::OP_RNDE); break;
           case GEN_OCL_RNDU: this->emitUnaryCallInst(I,CS,ir::OP_RNDU); break;
           case GEN_OCL_RNDD: this->emitUnaryCallInst(I,CS,ir::OP_RNDD); break;
diff --git a/backend/src/llvm/llvm_gen_ocl_function.hxx b/backend/src/llvm/llvm_gen_ocl_function.hxx
index 8e37df9..057f4c8 100644
--- a/backend/src/llvm/llvm_gen_ocl_function.hxx
+++ b/backend/src/llvm/llvm_gen_ocl_function.hxx
@@ -22,7 +22,6 @@ DECL_LLVM_GEN_FUNCTION(GET_WORK_DIM, __gen_ocl_get_work_dim)
 DECL_LLVM_GEN_FUNCTION(RSQ, __gen_ocl_rsqrt)
 DECL_LLVM_GEN_FUNCTION(POW, __gen_ocl_pow)
 DECL_LLVM_GEN_FUNCTION(RCP, __gen_ocl_rcp)
-DECL_LLVM_GEN_FUNCTION(RNDZ, __gen_ocl_rndz)
 DECL_LLVM_GEN_FUNCTION(RNDE, __gen_ocl_rnde)
 DECL_LLVM_GEN_FUNCTION(RNDU, __gen_ocl_rndu)
 DECL_LLVM_GEN_FUNCTION(RNDD, __gen_ocl_rndd)
-- 
1.9.1