OpenCL Runtime: Disable auto-vectorization for Intel OpenCL runtime to workaround hanging JiT since version 18.1.0.013

docs/changes.txt

@@ -68,6 +68,7 @@
 - Parameter: Rename --nvidia-spin-damp to --spin-damp (now accessible for all devices)
 - Pidfile: Treat a corrupted pidfile like a not existing pidfile
 - OpenCL Device: Do a real query on OpenCL local memory type instead of just assuming it
+- OpenCL Runtime: Disable auto-vectorization for Intel OpenCL runtime to workaround hanging JiT since version 18.1.0.013
 - Tests: Added hash-mode 11700 (Streebog-256)
 - Tests: Added hash-mode 11750 (HMAC-Streebog-256 (key = $pass), big-endian)
 - Tests: Added hash-mode 11760 (HMAC-Streebog-256 (key = $salt), big-endian)

src/shared.c

@@ -414,6 +414,9 @@ void setup_environment_variables ()
   if (getenv ("POCL_KERNEL_CACHE") == NULL)
     putenv ((char *) "POCL_KERNEL_CACHE=0");
 
+  if (getenv ("CL_CONFIG_USE_VECTORIZER") == NULL)
+    putenv ((char *) "CL_CONFIG_USE_VECTORIZER=False");
+
   #if defined (__CYGWIN__)
   cygwin_internal (CW_SYNC_WINENV);
   #endif