From 22adaa5e565a0355dc013b4c1eeefd8ff4a96d9a Mon Sep 17 00:00:00 2001
From: Tom de Vries <tdevries@suse.de>
Date: Fri, 25 Feb 2022 12:18:17 +0100
Subject: [PATCH] [nvptx] Use nvptx-sm.def for t-omp-device

Add a script gen-omp-device-properties.sh that uses nvptx-sm.def to generate
omp-device-properties-nvptx.

Tested on x86_64 with nvptx accelerator.

gcc/ChangeLog:

2022-02-25  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/gen-omp-device-properties.sh: New file.
	* config/nvptx/t-omp-device: Use gen-omp-device-properties.sh.
---
 gcc/config/nvptx/gen-omp-device-properties.sh | 33 +++++++++++++++++++
 gcc/config/nvptx/t-omp-device                 |  7 ++--
 2 files changed, 36 insertions(+), 4 deletions(-)
 create mode 100644 gcc/config/nvptx/gen-omp-device-properties.sh

diff --git a/gcc/config/nvptx/gen-omp-device-properties.sh b/gcc/config/nvptx/gen-omp-device-properties.sh
new file mode 100644
index 000000000000..175092cdde63
--- /dev/null
+++ b/gcc/config/nvptx/gen-omp-device-properties.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Copyright (C) 2022 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+nvptx_sm_def="$1/nvptx-sm.def"
+
+sms=$(grep ^NVPTX_SM $nvptx_sm_def | sed 's/.*(//;s/,.*//')
+
+echo kind: gpu
+echo arch: nvptx
+
+isa=""
+for sm in $sms; do
+    isa="$isa sm_$sm"
+done
+
+echo isa: $isa
diff --git a/gcc/config/nvptx/t-omp-device b/gcc/config/nvptx/t-omp-device
index 4228218a4248..c2b28a41ee41 100644
--- a/gcc/config/nvptx/t-omp-device
+++ b/gcc/config/nvptx/t-omp-device
@@ -1,4 +1,3 @@
-omp-device-properties-nvptx: $(srcdir)/config/nvptx/nvptx.cc
-	echo kind: gpu > $@
-	echo arch: nvptx >> $@
-	echo isa: sm_30 sm_35 sm_53 sm_70 sm_75 sm_80 >> $@
+omp-device-properties-nvptx: $(srcdir)/config/nvptx/nvptx-sm.def
+	$(SHELL) $(srcdir)/config/nvptx/gen-omp-device-properties.sh \
+	  "$(srcdir)/config/nvptx" > $@
-- 
2.47.3