From 2b30d775b9bf5580ca92aacdbab3c0c7ebcb4f45 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sun, 23 Jan 2022 11:48:23 -0800
Subject: [PATCH] ircd::simt: Add intrinsic integer max.

---
 include/ircd/simt/reduce_max.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/include/ircd/simt/reduce_max.h b/include/ircd/simt/reduce_max.h
index 5394fc04b..7c10beacc 100644
--- a/include/ircd/simt/reduce_max.h
+++ b/include/ircd/simt/reduce_max.h
@@ -30,3 +30,23 @@ ircd_simt_reduce_max_flldr(__local float *const buf,
 	}
 }
 #endif
+
+#ifdef __OPENCL_VERSION__
+inline void
+ircd_simt_reduce_max_illdr(__local int *const buf,
+                           const uint ln,
+                           const uint li)
+{
+	buf[li] = atomic_max(buf, buf[li]);
+}
+#endif
+
+#ifdef __OPENCL_VERSION__
+inline void
+ircd_simt_reduce_max_ulldr(__local uint *const buf,
+                           const uint ln,
+                           const uint li)
+{
+	buf[li] = atomic_max(buf, buf[li]);
+}
+#endif