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From: Tom de Vries <vries@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-7405] [nvptx] Add -mptx=_
Date: Mon, 28 Feb 2022 09:14:30 +0000 (GMT) [thread overview]
Message-ID: <20220228091430.1CF2B3858435@sourceware.org> (raw)
https://gcc.gnu.org/g:9d87ad0ca5cd18807546a081e7d539be8b5418bf
commit r12-7405-g9d87ad0ca5cd18807546a081e7d539be8b5418bf
Author: Tom de Vries <tdevries@suse.de>
Date: Fri Feb 25 16:11:23 2022 +0100
[nvptx] Add -mptx=_
Add an -mptx=_ value, that indicates the default ptx version.
It can be used to undo an explicit -mptx setting, so this:
...
$ gcc test.c -mptx=3.1 -mptx=_
...
has the same effect as:
...
$ gcc test.c
...
Tested on nvptx.
gcc/ChangeLog:
2022-02-28 Tom de Vries <tdevries@suse.de>
* config/nvptx/nvptx-opts.h (enum ptx_version): Add
PTX_VERSION_default.
* config/nvptx/nvptx.cc (handle_ptx_version_option): Handle
PTX_VERSION_default.
* config/nvptx/nvptx.opt: Add EnumValue "_" / PTX_VERSION_default.
Diff:
---
gcc/config/nvptx/nvptx-opts.h | 1 +
gcc/config/nvptx/nvptx.cc | 3 ++-
gcc/config/nvptx/nvptx.opt | 3 +++
3 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/gcc/config/nvptx/nvptx-opts.h b/gcc/config/nvptx/nvptx-opts.h
index e918d43ea16..30852b6992c 100644
--- a/gcc/config/nvptx/nvptx-opts.h
+++ b/gcc/config/nvptx/nvptx-opts.h
@@ -32,6 +32,7 @@ enum ptx_isa
enum ptx_version
{
+ PTX_VERSION_default,
PTX_VERSION_3_0,
PTX_VERSION_3_1,
PTX_VERSION_4_2,
diff --git a/gcc/config/nvptx/nvptx.cc b/gcc/config/nvptx/nvptx.cc
index b9451c2ed09..7862a90a65a 100644
--- a/gcc/config/nvptx/nvptx.cc
+++ b/gcc/config/nvptx/nvptx.cc
@@ -296,7 +296,8 @@ sm_version_to_string (enum ptx_isa sm)
static void
handle_ptx_version_option (void)
{
- if (!OPTION_SET_P (ptx_version_option))
+ if (!OPTION_SET_P (ptx_version_option)
+ || ptx_version_option == PTX_VERSION_default)
{
ptx_version_option = default_ptx_version_option ();
return;
diff --git a/gcc/config/nvptx/nvptx.opt b/gcc/config/nvptx/nvptx.opt
index 9776c3b9a1f..f555ad1d8bf 100644
--- a/gcc/config/nvptx/nvptx.opt
+++ b/gcc/config/nvptx/nvptx.opt
@@ -94,6 +94,9 @@ Enum(ptx_version) String(6.3) Value(PTX_VERSION_6_3)
EnumValue
Enum(ptx_version) String(7.0) Value(PTX_VERSION_7_0)
+EnumValue
+Enum(ptx_version) String(_) Value(PTX_VERSION_default)
+
mptx=
Target RejectNegative ToLower Joined Enum(ptx_version) Var(ptx_version_option)
Specify the version of the ptx version to use.
reply other threads:[~2022-02-28 9:14 UTC|newest]
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