[committed,nvptx] Add -mptx=_
Commit Message
Hi,
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.
Committed to trunk.
Thanks,
- Tom
[nvptx] Add -mptx=_
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.
---
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(-)
@@ -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,
@@ -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;
@@ -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.