support 64bit-integer addition, subtraction

also enable GPU command "subb" (subtract with borrow)

also add test cases

v2: renamed GEN_TYPE_UQ/GEN_TYPE_Q to GEN_TYPE_UL/GEN_TYPE_L

Signed-off-by: Homer Hsing <homer.xing@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/utests/compiler_long.cpp b/utests/compiler_long.cpp
new file mode 100644
index 00000000..fad27445
--- /dev/null
+++ b/utests/compiler_long.cpp
@@ -0,0 +1,58 @@
+#include <cstdint>
+#include <cstring>
+#include <iostream>
+#include "utest_helper.hpp"
+
+void compiler_long(void)
+{
+  const size_t n = 16;
+  int64_t src1[n], src2[n];
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_long");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int64_t), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int64_t), NULL);
+  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(int64_t), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
+  globals[0] = n;
+  locals[0] = 16;
+
+  // Run random tests
+  src1[0] = -1L,                  src2[0] = -1L;
+  src1[1] = 0x8000000000000000UL, src2[1] = 0x8000000000000000UL;
+  src1[2] = 0x7FFFFFFFFFFFFFFFL,  src2[2] = 1L;
+  src1[3] = 0xFFFFFFFEL,          src2[3] = 1L;
+  src1[4] = 0x7FFFFFFFL,          src2[4] = 0x80000000L;
+  src1[5] = 0,                    src2[5] = 0;
+  src1[6] = 0,                    src2[6] = 1;
+  src1[7] = -2L,                  src2[7] = -1L;
+  src1[8] = 0,                    src2[8] = 0x8000000000000000UL;
+  for (int32_t i = 9; i < (int32_t) n; ++i) {
+    src1[i] = ((long)rand() << 32) + rand();
+    src2[i] = ((long)rand() << 32) + rand();
+  }
+  OCL_MAP_BUFFER(0);
+  OCL_MAP_BUFFER(1);
+  memcpy(buf_data[0], src1, sizeof(src1));
+  memcpy(buf_data[1], src2, sizeof(src2));
+  OCL_UNMAP_BUFFER(0);
+  OCL_UNMAP_BUFFER(1);
+
+  // Run the kernel on GPU
+  OCL_NDRANGE(1);
+
+  // Compare
+  OCL_MAP_BUFFER(2);
+  for (int32_t i = 0; i < (int32_t) n; ++i) {
+    //printf("%lx\n", ((int64_t *)buf_data[2])[i]);
+    if (i < 5)
+      OCL_ASSERT(src1[i] + src2[i] == ((int64_t *)buf_data[2])[i]);
+    if (i > 5)
+      OCL_ASSERT(src1[i] - src2[i] == ((int64_t *)buf_data[2])[i]);
+  }
+  OCL_UNMAP_BUFFER(2);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_long);