[gcc r12-7423] [nvptx] Use nvptx-sm.def for t-omp-device

[Tom de Vries <vries@gcc.gnu.org>]

https://gcc.gnu.org/g:22adaa5e565a0355dc013b4c1eeefd8ff4a96d9a

commit r12-7423-g22adaa5e565a0355dc013b4c1eeefd8ff4a96d9a
Author: Tom de Vries <tdevries@suse.de>
Date:   Fri Feb 25 12:18:17 2022 +0100

    [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.

Diff:
---
 gcc/config/nvptx/gen-omp-device-properties.sh | 33 +++++++++++++++++++++++++++
 gcc/config/nvptx/t-omp-device                 |  7 +++---
 2 files changed, 36 insertions(+), 4 deletions(-)

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 00000000000..175092cdde6
--- /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 4228218a424..c2b28a41ee4 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" > $@