gcc/config/nvptx/nvptx-c.cc

   1 /* Subroutines for the C front end on the NVPTX architecture.
   2  * Copyright (C) 2021-2023 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GCC.
   5  *
   6  * GCC is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published
   8  * by the Free Software Foundation; either version 3, or (at your
   9  * option) any later version.
  10  *
  11  * GCC is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  14  * License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with GCC; see the file COPYING3.  If not see
  18  * <http://www.gnu.org/licenses/>.  */
  19
  20 #define IN_TARGET_CODE 1
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "target.h"
  26 #include "c-family/c-common.h"
  27 #include "memmodel.h"
  28 #include "tm_p.h"
  29 #include "c-family/c-pragma.h"
  30
  31 /* Function to tell the preprocessor about the defines for the target.  */
  32 void
  33 nvptx_cpu_cpp_builtins (void)
  34 {
  35   cpp_assert (parse_in, "machine=nvptx");
  36   cpp_assert (parse_in, "cpu=nvptx");
  37   cpp_define (parse_in, "__nvptx__");
  38   if (TARGET_SOFT_STACK)
  39     cpp_define (parse_in, "__nvptx_softstack__");
  40   if (TARGET_UNIFORM_SIMT)
  41     cpp_define (parse_in,"__nvptx_unisimt__");
  42
  43   const char *ptx_sm = NULL;
  44 #define NVPTX_SM(XX, SEP) \
  45   {                                             \
  46     if (TARGET_SM ## XX)                        \
  47       ptx_sm = "__PTX_SM__=" #XX "0"; \
  48   }
  49 #include "nvptx-sm.def"
  50 #undef NVPTX_SM
  51   cpp_define (parse_in, ptx_sm);
  52
  53   {
  54     unsigned major
  55       = ptx_version_to_number ((ptx_version)ptx_version_option, true);
  56     unsigned minor
  57       = ptx_version_to_number ((ptx_version)ptx_version_option, false);
  58     cpp_define_formatted (parse_in, "__PTX_ISA_VERSION_MAJOR__=%u", major);
  59     cpp_define_formatted (parse_in, "__PTX_ISA_VERSION_MINOR__=%u", minor);
  60   }
  61 }
  62