[libclc] r317935 - amdgpu: Add workaround for unimplemented llvm.exp intrinsic

[Jan Vesely via cfe-commits]

Author: jvesely
Date: Fri Nov 10 14:16:25 2017
New Revision: 317935

URL: http://llvm.org/viewvc/llvm-project?rev=317935&view=rev
Log:
amdgpu: Add workaround for unimplemented llvm.exp intrinsic

Reviewer: Jeroen Ketema
Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>

Added:
    libclc/trunk/amdgpu/lib/math/native_exp.cl
    libclc/trunk/amdgpu/lib/math/native_exp.inc
Modified:
    libclc/trunk/amdgpu/lib/SOURCES

Modified: libclc/trunk/amdgpu/lib/SOURCES
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/amdgpu/lib/SOURCES?rev=317935&r1=317934&r2=317935&view=diff
==============================================================================
--- libclc/trunk/amdgpu/lib/SOURCES (original)
+++ libclc/trunk/amdgpu/lib/SOURCES Fri Nov 10 14:16:25 2017
@@ -1,3 +1,4 @@
+math/native_exp.cl
 math/native_log.cl
 math/native_log10.cl
 math/nextafter.cl

Added: libclc/trunk/amdgpu/lib/math/native_exp.cl
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/amdgpu/lib/math/native_exp.cl?rev=317935&view=auto
==============================================================================
--- libclc/trunk/amdgpu/lib/math/native_exp.cl (added)
+++ libclc/trunk/amdgpu/lib/math/native_exp.cl Fri Nov 10 14:16:25 2017
@@ -0,0 +1,5 @@
+#include <clc/clc.h>
+
+#define __CLC_BODY <native_exp.inc>
+#define __FLOAT_ONLY
+#include <clc/math/gentype.inc>

Added: libclc/trunk/amdgpu/lib/math/native_exp.inc
URL: http://llvm.org/viewvc/llvm-project/libclc/trunk/amdgpu/lib/math/native_exp.inc?rev=317935&view=auto
==============================================================================
--- libclc/trunk/amdgpu/lib/math/native_exp.inc (added)
+++ libclc/trunk/amdgpu/lib/math/native_exp.inc Fri Nov 10 14:16:25 2017
@@ -0,0 +1,3 @@
+_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE native_exp(__CLC_GENTYPE val) {
+  return native_exp2(val * M_LOG2E_F);
+}