summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernels/compiler_fdiv2rcp.cl8
-rw-r--r--utests/CMakeLists.txt3
-rw-r--r--utests/compiler_fdiv2rcp.cpp61
3 files changed, 71 insertions, 1 deletions
diff --git a/kernels/compiler_fdiv2rcp.cl b/kernels/compiler_fdiv2rcp.cl
new file mode 100644
index 00000000..99e0005e
--- /dev/null
+++ b/kernels/compiler_fdiv2rcp.cl
@@ -0,0 +1,8 @@
+kernel void compiler_fdiv2rcp(global float *src, global float *dst) {
+ int i = get_global_id(0);
+ float tmp = src[i];
+ dst[i*4] = 1.0f/tmp;
+ dst[i*4+1] = (float)i/tmp;
+ dst[i*4+2] = 2.0f/tmp;
+ dst[i*4+3] = 3.0f/tmp;
+};
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index ebbf0f56..655a314b 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -306,7 +306,8 @@ set (utests_sources
compiler_pipe_builtin.cpp
compiler_device_enqueue.cpp
compiler_sqrt_div.cpp
- compiler_remove_negative_add.cpp)
+ compiler_remove_negative_add.cpp
+ compiler_fdiv2rcp.cpp)
if (LLVM_VERSION_NODOT VERSION_GREATER 34)
SET(utests_sources
diff --git a/utests/compiler_fdiv2rcp.cpp b/utests/compiler_fdiv2rcp.cpp
new file mode 100644
index 00000000..7a983920
--- /dev/null
+++ b/utests/compiler_fdiv2rcp.cpp
@@ -0,0 +1,61 @@
+#include "utest_helper.hpp"
+#include <cmath>
+
+void compiler_fdiv2rcp(void) {
+ const int n = 1024;
+ float src[n];
+
+ // Setup kernel and buffers
+ OCL_CREATE_KERNEL("compiler_fdiv2rcp");
+ OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL);
+ OCL_CREATE_BUFFER(buf[1], 0, n * 4 * sizeof(float), NULL);
+ OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+ OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+ globals[0] = n;
+ locals[0] = 16;
+
+ for (int j = 0; j < 1024; j++) {
+ OCL_MAP_BUFFER(0);
+ for (int i = 0; i < n; ++i) {
+ src[i] = ((float *)buf_data[0])[i] = (j * n + i + 1) * 0.001f;
+ }
+ OCL_UNMAP_BUFFER(0);
+
+ OCL_NDRANGE(1);
+
+ OCL_MAP_BUFFER(1);
+ float *dst = (float *)buf_data[1];
+ for (int i = 0; i < n; ++i) {
+ float cpu = 1.0f / (src[i]);
+ float gpu = dst[4 * i];
+ if (fabsf(cpu - gpu) >= 1e-3) {
+ printf("%f %f %f", src[i], cpu, gpu);
+ OCL_ASSERT(0);
+ }
+
+ cpu = i / (src[i]);
+ gpu = dst[4 * i + 1];
+ if (fabsf(cpu - gpu) >= 1e-3) {
+ printf("%f %f %f", src[i], cpu, gpu);
+ OCL_ASSERT(0);
+ }
+
+ cpu = 2.0f / (src[i]);
+ gpu = dst[4 * i + 2];
+ if (fabsf(cpu - gpu) >= 1e-3) {
+ printf("%f %f %f", src[i], cpu, gpu);
+ OCL_ASSERT(0);
+ }
+
+ cpu = 3.0f / (src[i]);
+ gpu = dst[4 * i + 3];
+ if (fabsf(cpu - gpu) >= 1e-3) {
+ printf("%f %f %f", src[i], cpu, gpu);
+ OCL_ASSERT(0);
+ }
+ }
+ OCL_UNMAP_BUFFER(1);
+ }
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_fdiv2rcp);