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* [gcc r12-7918] [nvptx, doc] Document predefined macros at march and mptx
@ 2022-03-30 9:10 Tom de Vries
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From: Tom de Vries @ 2022-03-30 9:10 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:c8cd03f5b52ad297f73e7181e9f0c643a88a51e3
commit r12-7918-gc8cd03f5b52ad297f73e7181e9f0c643a88a51e3
Author: Tom de Vries <tdevries@suse.de>
Date: Wed Mar 30 09:50:18 2022 +0200
[nvptx, doc] Document predefined macros at march and mptx
Document predefined macros:
- __PTX_SM__ ,
- __PTX_ISA_VERSION_MAJOR__ and
- __PTX_ISA_VERSION_MINOR__ .
gcc/ChangeLog:
2022-03-29 Tom de Vries <tdevries@suse.de>
* doc/invoke.texi (march): Document __PTX_SM__.
(mptx): Document __PTX_ISA_VERSION_MAJOR__ and
__PTX_ISA_VERSION_MINOR__.
Co-Authored-By: Tobias Burnus <tobias@codesourcery.com>
Diff:
---
gcc/doc/invoke.texi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 43b75132c91..09715a510b4 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -27547,6 +27547,10 @@ Generate code for the specified PTX ISA target architecture
@samp{sm_35}, @samp{sm_53}, @samp{sm_70}, @samp{sm_75} and
@samp{sm_80}. The default target architecture is sm_30.
+This option sets the value of the preprocessor macro
+@code{__PTX_SM__}; for instance, for @samp{sm_35}, it has the value
+@samp{350}.
+
@item -misa=@var{architecture-string}
@opindex misa
Alias of @option{-march=}.
@@ -27566,6 +27570,11 @@ Valid version strings include @samp{3.1}, @samp{6.0}, @samp{6.3}, and
version is required for specified PTX ISA target architecture via
option @option{-march=}.
+This option sets the values of the preprocessor macros
+@code{__PTX_ISA_VERSION_MAJOR__} and @code{__PTX_ISA_VERSION_MINOR__};
+for instance, for @samp{3.1} the macros have the values @samp{3} and
+@samp{1}, respectively.
+
@item -mmainkernel
@opindex mmainkernel
Link in code for a __main kernel. This is for stand-alone instead of
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