/* Define builtin-in macros for the C family front ends.
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/* Define builtin-in macros for the C family front ends.
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Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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Free Software Foundation, Inc.
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "config.h"
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#include "system.h"
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#include "system.h"
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#include "coretypes.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "tm.h"
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#include "tree.h"
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#include "tree.h"
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#include "version.h"
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#include "version.h"
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#include "flags.h"
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#include "flags.h"
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#include "c-common.h"
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#include "c-common.h"
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#include "c-pragma.h"
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#include "c-pragma.h"
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#include "output.h"
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#include "output.h"
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#include "debug.h" /* For dwarf2out_do_cfi_asm. */
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#include "debug.h" /* For dwarf2out_do_cfi_asm. */
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#include "tm_p.h" /* For TARGET_CPU_CPP_BUILTINS & friends. */
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#include "tm_p.h" /* For TARGET_CPU_CPP_BUILTINS & friends. */
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#include "target.h"
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#include "target.h"
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#include "common/common-target.h"
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#include "common/common-target.h"
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#include "cpp-id-data.h"
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#include "cpp-id-data.h"
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#include "cppbuiltin.h"
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#include "cppbuiltin.h"
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#ifndef TARGET_OS_CPP_BUILTINS
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#ifndef TARGET_OS_CPP_BUILTINS
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# define TARGET_OS_CPP_BUILTINS()
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# define TARGET_OS_CPP_BUILTINS()
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#endif
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#endif
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#ifndef TARGET_OBJFMT_CPP_BUILTINS
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#ifndef TARGET_OBJFMT_CPP_BUILTINS
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# define TARGET_OBJFMT_CPP_BUILTINS()
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# define TARGET_OBJFMT_CPP_BUILTINS()
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#endif
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#endif
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#ifndef REGISTER_PREFIX
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#ifndef REGISTER_PREFIX
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#define REGISTER_PREFIX ""
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#define REGISTER_PREFIX ""
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#endif
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#endif
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/* Non-static as some targets don't use it. */
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/* Non-static as some targets don't use it. */
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void builtin_define_std (const char *) ATTRIBUTE_UNUSED;
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void builtin_define_std (const char *) ATTRIBUTE_UNUSED;
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static void builtin_define_with_int_value (const char *, HOST_WIDE_INT);
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static void builtin_define_with_int_value (const char *, HOST_WIDE_INT);
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static void builtin_define_with_hex_fp_value (const char *, tree,
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static void builtin_define_with_hex_fp_value (const char *, tree,
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int, const char *,
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int, const char *,
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const char *,
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const char *,
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const char *);
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const char *);
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static void builtin_define_stdint_macros (void);
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static void builtin_define_stdint_macros (void);
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static void builtin_define_constants (const char *, tree);
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static void builtin_define_constants (const char *, tree);
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static void builtin_define_type_max (const char *, tree);
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static void builtin_define_type_max (const char *, tree);
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static void builtin_define_type_minmax (const char *, const char *, tree);
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static void builtin_define_type_minmax (const char *, const char *, tree);
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static void builtin_define_type_sizeof (const char *, tree);
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static void builtin_define_type_sizeof (const char *, tree);
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static void builtin_define_float_constants (const char *,
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static void builtin_define_float_constants (const char *,
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const char *,
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const char *,
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const char *,
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const char *,
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const char *,
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const char *,
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tree);
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tree);
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/* Return true if MODE provides a fast multiply/add (FMA) builtin function.
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/* Return true if MODE provides a fast multiply/add (FMA) builtin function.
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Originally this function used the fma optab, but that doesn't work with
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Originally this function used the fma optab, but that doesn't work with
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-save-temps, so just rely on the HAVE_fma macros for the standard floating
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-save-temps, so just rely on the HAVE_fma macros for the standard floating
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point types. */
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point types. */
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static bool
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static bool
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mode_has_fma (enum machine_mode mode)
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mode_has_fma (enum machine_mode mode)
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{
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{
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switch (mode)
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switch (mode)
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{
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{
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#ifdef HAVE_fmasf4
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#ifdef HAVE_fmasf4
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case SFmode:
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case SFmode:
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return !!HAVE_fmasf4;
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return !!HAVE_fmasf4;
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#endif
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#endif
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#ifdef HAVE_fmadf4
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#ifdef HAVE_fmadf4
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case DFmode:
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case DFmode:
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return !!HAVE_fmadf4;
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return !!HAVE_fmadf4;
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#endif
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#endif
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#ifdef HAVE_fmaxf4
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#ifdef HAVE_fmaxf4
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case XFmode:
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case XFmode:
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return !!HAVE_fmaxf4;
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return !!HAVE_fmaxf4;
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#endif
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#endif
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#ifdef HAVE_fmatf4
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#ifdef HAVE_fmatf4
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case TFmode:
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case TFmode:
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return !!HAVE_fmatf4;
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return !!HAVE_fmatf4;
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#endif
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#endif
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default:
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default:
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break;
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break;
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}
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}
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return false;
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return false;
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}
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}
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/* Define NAME with value TYPE size_unit. */
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/* Define NAME with value TYPE size_unit. */
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static void
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static void
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builtin_define_type_sizeof (const char *name, tree type)
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builtin_define_type_sizeof (const char *name, tree type)
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{
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{
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builtin_define_with_int_value (name,
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builtin_define_with_int_value (name,
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tree_low_cst (TYPE_SIZE_UNIT (type), 1));
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tree_low_cst (TYPE_SIZE_UNIT (type), 1));
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}
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}
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/* Define the float.h constants for TYPE using NAME_PREFIX, FP_SUFFIX,
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/* Define the float.h constants for TYPE using NAME_PREFIX, FP_SUFFIX,
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and FP_CAST. */
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and FP_CAST. */
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static void
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static void
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builtin_define_float_constants (const char *name_prefix,
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builtin_define_float_constants (const char *name_prefix,
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const char *fp_suffix,
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const char *fp_suffix,
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const char *fp_cast,
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const char *fp_cast,
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const char *fma_suffix,
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const char *fma_suffix,
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tree type)
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tree type)
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{
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{
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/* Used to convert radix-based values to base 10 values in several cases.
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/* Used to convert radix-based values to base 10 values in several cases.
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In the max_exp -> max_10_exp conversion for 128-bit IEEE, we need at
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In the max_exp -> max_10_exp conversion for 128-bit IEEE, we need at
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least 6 significant digits for correct results. Using the fraction
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least 6 significant digits for correct results. Using the fraction
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formed by (log(2)*1e6)/(log(10)*1e6) overflows a 32-bit integer as an
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formed by (log(2)*1e6)/(log(10)*1e6) overflows a 32-bit integer as an
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intermediate; perhaps someone can find a better approximation, in the
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intermediate; perhaps someone can find a better approximation, in the
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mean time, I suspect using doubles won't harm the bootstrap here. */
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mean time, I suspect using doubles won't harm the bootstrap here. */
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const double log10_2 = .30102999566398119521;
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const double log10_2 = .30102999566398119521;
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double log10_b;
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double log10_b;
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const struct real_format *fmt;
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const struct real_format *fmt;
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const struct real_format *ldfmt;
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const struct real_format *ldfmt;
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char name[64], buf[128];
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char name[64], buf[128];
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int dig, min_10_exp, max_10_exp;
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int dig, min_10_exp, max_10_exp;
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int decimal_dig;
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int decimal_dig;
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int type_decimal_dig;
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int type_decimal_dig;
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fmt = REAL_MODE_FORMAT (TYPE_MODE (type));
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fmt = REAL_MODE_FORMAT (TYPE_MODE (type));
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gcc_assert (fmt->b != 10);
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gcc_assert (fmt->b != 10);
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ldfmt = REAL_MODE_FORMAT (TYPE_MODE (long_double_type_node));
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ldfmt = REAL_MODE_FORMAT (TYPE_MODE (long_double_type_node));
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gcc_assert (ldfmt->b != 10);
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gcc_assert (ldfmt->b != 10);
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/* The radix of the exponent representation. */
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/* The radix of the exponent representation. */
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if (type == float_type_node)
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if (type == float_type_node)
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builtin_define_with_int_value ("__FLT_RADIX__", fmt->b);
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builtin_define_with_int_value ("__FLT_RADIX__", fmt->b);
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log10_b = log10_2;
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log10_b = log10_2;
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/* The number of radix digits, p, in the floating-point significand. */
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/* The number of radix digits, p, in the floating-point significand. */
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sprintf (name, "__%s_MANT_DIG__", name_prefix);
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sprintf (name, "__%s_MANT_DIG__", name_prefix);
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builtin_define_with_int_value (name, fmt->p);
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builtin_define_with_int_value (name, fmt->p);
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/* The number of decimal digits, q, such that any floating-point number
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/* The number of decimal digits, q, such that any floating-point number
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with q decimal digits can be rounded into a floating-point number with
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with q decimal digits can be rounded into a floating-point number with
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p radix b digits and back again without change to the q decimal digits,
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p radix b digits and back again without change to the q decimal digits,
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p log10 b if b is a power of 10
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p log10 b if b is a power of 10
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floor((p - 1) log10 b) otherwise
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floor((p - 1) log10 b) otherwise
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*/
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*/
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dig = (fmt->p - 1) * log10_b;
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dig = (fmt->p - 1) * log10_b;
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sprintf (name, "__%s_DIG__", name_prefix);
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sprintf (name, "__%s_DIG__", name_prefix);
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builtin_define_with_int_value (name, dig);
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builtin_define_with_int_value (name, dig);
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/* The minimum negative int x such that b**(x-1) is a normalized float. */
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/* The minimum negative int x such that b**(x-1) is a normalized float. */
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sprintf (name, "__%s_MIN_EXP__", name_prefix);
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sprintf (name, "__%s_MIN_EXP__", name_prefix);
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sprintf (buf, "(%d)", fmt->emin);
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sprintf (buf, "(%d)", fmt->emin);
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builtin_define_with_value (name, buf, 0);
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builtin_define_with_value (name, buf, 0);
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/* The minimum negative int x such that 10**x is a normalized float,
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/* The minimum negative int x such that 10**x is a normalized float,
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ceil (log10 (b ** (emin - 1)))
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ceil (log10 (b ** (emin - 1)))
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= ceil (log10 (b) * (emin - 1))
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= ceil (log10 (b) * (emin - 1))
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Recall that emin is negative, so the integer truncation calculates
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Recall that emin is negative, so the integer truncation calculates
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the ceiling, not the floor, in this case. */
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the ceiling, not the floor, in this case. */
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min_10_exp = (fmt->emin - 1) * log10_b;
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min_10_exp = (fmt->emin - 1) * log10_b;
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sprintf (name, "__%s_MIN_10_EXP__", name_prefix);
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sprintf (name, "__%s_MIN_10_EXP__", name_prefix);
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sprintf (buf, "(%d)", min_10_exp);
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sprintf (buf, "(%d)", min_10_exp);
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builtin_define_with_value (name, buf, 0);
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builtin_define_with_value (name, buf, 0);
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/* The maximum int x such that b**(x-1) is a representable float. */
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/* The maximum int x such that b**(x-1) is a representable float. */
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sprintf (name, "__%s_MAX_EXP__", name_prefix);
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sprintf (name, "__%s_MAX_EXP__", name_prefix);
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builtin_define_with_int_value (name, fmt->emax);
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builtin_define_with_int_value (name, fmt->emax);
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/* The maximum int x such that 10**x is in the range of representable
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/* The maximum int x such that 10**x is in the range of representable
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finite floating-point numbers,
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finite floating-point numbers,
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floor (log10((1 - b**-p) * b**emax))
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floor (log10((1 - b**-p) * b**emax))
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= floor (log10(1 - b**-p) + log10(b**emax))
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= floor (log10(1 - b**-p) + log10(b**emax))
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= floor (log10(1 - b**-p) + log10(b)*emax)
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= floor (log10(1 - b**-p) + log10(b)*emax)
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The safest thing to do here is to just compute this number. But since
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The safest thing to do here is to just compute this number. But since
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we don't link cc1 with libm, we cannot. We could implement log10 here
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we don't link cc1 with libm, we cannot. We could implement log10 here
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a series expansion, but that seems too much effort because:
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a series expansion, but that seems too much effort because:
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Note that the first term, for all extant p, is a number exceedingly close
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Note that the first term, for all extant p, is a number exceedingly close
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to zero, but slightly negative. Note that the second term is an integer
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to zero, but slightly negative. Note that the second term is an integer
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scaling an irrational number, and that because of the floor we are only
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scaling an irrational number, and that because of the floor we are only
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interested in its integral portion.
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interested in its integral portion.
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In order for the first term to have any effect on the integral portion
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In order for the first term to have any effect on the integral portion
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of the second term, the second term has to be exceedingly close to an
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of the second term, the second term has to be exceedingly close to an
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integer itself (e.g. 123.000000000001 or something). Getting a result
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integer itself (e.g. 123.000000000001 or something). Getting a result
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that close to an integer requires that the irrational multiplicand have
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that close to an integer requires that the irrational multiplicand have
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a long series of zeros in its expansion, which doesn't occur in the
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a long series of zeros in its expansion, which doesn't occur in the
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first 20 digits or so of log10(b).
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first 20 digits or so of log10(b).
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Hand-waving aside, crunching all of the sets of constants above by hand
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Hand-waving aside, crunching all of the sets of constants above by hand
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does not yield a case for which the first term is significant, which
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does not yield a case for which the first term is significant, which
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in the end is all that matters. */
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in the end is all that matters. */
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max_10_exp = fmt->emax * log10_b;
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max_10_exp = fmt->emax * log10_b;
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sprintf (name, "__%s_MAX_10_EXP__", name_prefix);
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sprintf (name, "__%s_MAX_10_EXP__", name_prefix);
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builtin_define_with_int_value (name, max_10_exp);
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builtin_define_with_int_value (name, max_10_exp);
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/* The number of decimal digits, n, such that any floating-point number
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/* The number of decimal digits, n, such that any floating-point number
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can be rounded to n decimal digits and back again without change to
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can be rounded to n decimal digits and back again without change to
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the value.
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the value.
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p * log10(b) if b is a power of 10
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p * log10(b) if b is a power of 10
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ceil(1 + p * log10(b)) otherwise
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ceil(1 + p * log10(b)) otherwise
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The only macro we care about is this number for the widest supported
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The only macro we care about is this number for the widest supported
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floating type, but we want this value for rendering constants below. */
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floating type, but we want this value for rendering constants below. */
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{
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{
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double d_decimal_dig
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double d_decimal_dig
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= 1 + (fmt->p < ldfmt->p ? ldfmt->p : fmt->p) * log10_b;
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= 1 + (fmt->p < ldfmt->p ? ldfmt->p : fmt->p) * log10_b;
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decimal_dig = d_decimal_dig;
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decimal_dig = d_decimal_dig;
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if (decimal_dig < d_decimal_dig)
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if (decimal_dig < d_decimal_dig)
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decimal_dig++;
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decimal_dig++;
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}
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}
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/* Similar, for this type rather than long double. */
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/* Similar, for this type rather than long double. */
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{
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{
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double type_d_decimal_dig = 1 + fmt->p * log10_b;
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double type_d_decimal_dig = 1 + fmt->p * log10_b;
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type_decimal_dig = type_d_decimal_dig;
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type_decimal_dig = type_d_decimal_dig;
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if (type_decimal_dig < type_d_decimal_dig)
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if (type_decimal_dig < type_d_decimal_dig)
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type_decimal_dig++;
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type_decimal_dig++;
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}
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}
|
if (type == long_double_type_node)
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if (type == long_double_type_node)
|
builtin_define_with_int_value ("__DECIMAL_DIG__", decimal_dig);
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builtin_define_with_int_value ("__DECIMAL_DIG__", decimal_dig);
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else
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else
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{
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{
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sprintf (name, "__%s_DECIMAL_DIG__", name_prefix);
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sprintf (name, "__%s_DECIMAL_DIG__", name_prefix);
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builtin_define_with_int_value (name, type_decimal_dig);
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builtin_define_with_int_value (name, type_decimal_dig);
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}
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}
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/* Since, for the supported formats, B is always a power of 2, we
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/* Since, for the supported formats, B is always a power of 2, we
|
construct the following numbers directly as a hexadecimal
|
construct the following numbers directly as a hexadecimal
|
constants. */
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constants. */
|
get_max_float (fmt, buf, sizeof (buf));
|
get_max_float (fmt, buf, sizeof (buf));
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|
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sprintf (name, "__%s_MAX__", name_prefix);
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sprintf (name, "__%s_MAX__", name_prefix);
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builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
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builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
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|
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/* The minimum normalized positive floating-point number,
|
/* The minimum normalized positive floating-point number,
|
b**(emin-1). */
|
b**(emin-1). */
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (buf, "0x1p%d", fmt->emin - 1);
|
sprintf (buf, "0x1p%d", fmt->emin - 1);
|
builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
|
builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
|
|
|
/* The difference between 1 and the least value greater than 1 that is
|
/* The difference between 1 and the least value greater than 1 that is
|
representable in the given floating point type, b**(1-p). */
|
representable in the given floating point type, b**(1-p). */
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
if (fmt->pnan < fmt->p)
|
if (fmt->pnan < fmt->p)
|
/* This is an IBM extended double format, so 1.0 + any double is
|
/* This is an IBM extended double format, so 1.0 + any double is
|
representable precisely. */
|
representable precisely. */
|
sprintf (buf, "0x1p%d", fmt->emin - fmt->p);
|
sprintf (buf, "0x1p%d", fmt->emin - fmt->p);
|
else
|
else
|
sprintf (buf, "0x1p%d", 1 - fmt->p);
|
sprintf (buf, "0x1p%d", 1 - fmt->p);
|
builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
|
builtin_define_with_hex_fp_value (name, type, decimal_dig, buf, fp_suffix, fp_cast);
|
|
|
/* For C++ std::numeric_limits<T>::denorm_min. The minimum denormalized
|
/* For C++ std::numeric_limits<T>::denorm_min. The minimum denormalized
|
positive floating-point number, b**(emin-p). Zero for formats that
|
positive floating-point number, b**(emin-p). Zero for formats that
|
don't support denormals. */
|
don't support denormals. */
|
sprintf (name, "__%s_DENORM_MIN__", name_prefix);
|
sprintf (name, "__%s_DENORM_MIN__", name_prefix);
|
if (fmt->has_denorm)
|
if (fmt->has_denorm)
|
{
|
{
|
sprintf (buf, "0x1p%d", fmt->emin - fmt->p);
|
sprintf (buf, "0x1p%d", fmt->emin - fmt->p);
|
builtin_define_with_hex_fp_value (name, type, decimal_dig,
|
builtin_define_with_hex_fp_value (name, type, decimal_dig,
|
buf, fp_suffix, fp_cast);
|
buf, fp_suffix, fp_cast);
|
}
|
}
|
else
|
else
|
{
|
{
|
sprintf (buf, "0.0%s", fp_suffix);
|
sprintf (buf, "0.0%s", fp_suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
}
|
}
|
|
|
sprintf (name, "__%s_HAS_DENORM__", name_prefix);
|
sprintf (name, "__%s_HAS_DENORM__", name_prefix);
|
builtin_define_with_value (name, fmt->has_denorm ? "1" : "0", 0);
|
builtin_define_with_value (name, fmt->has_denorm ? "1" : "0", 0);
|
|
|
/* For C++ std::numeric_limits<T>::has_infinity. */
|
/* For C++ std::numeric_limits<T>::has_infinity. */
|
sprintf (name, "__%s_HAS_INFINITY__", name_prefix);
|
sprintf (name, "__%s_HAS_INFINITY__", name_prefix);
|
builtin_define_with_int_value (name,
|
builtin_define_with_int_value (name,
|
MODE_HAS_INFINITIES (TYPE_MODE (type)));
|
MODE_HAS_INFINITIES (TYPE_MODE (type)));
|
/* For C++ std::numeric_limits<T>::has_quiet_NaN. We do not have a
|
/* For C++ std::numeric_limits<T>::has_quiet_NaN. We do not have a
|
predicate to distinguish a target that has both quiet and
|
predicate to distinguish a target that has both quiet and
|
signalling NaNs from a target that has only quiet NaNs or only
|
signalling NaNs from a target that has only quiet NaNs or only
|
signalling NaNs, so we assume that a target that has any kind of
|
signalling NaNs, so we assume that a target that has any kind of
|
NaN has quiet NaNs. */
|
NaN has quiet NaNs. */
|
sprintf (name, "__%s_HAS_QUIET_NAN__", name_prefix);
|
sprintf (name, "__%s_HAS_QUIET_NAN__", name_prefix);
|
builtin_define_with_int_value (name, MODE_HAS_NANS (TYPE_MODE (type)));
|
builtin_define_with_int_value (name, MODE_HAS_NANS (TYPE_MODE (type)));
|
|
|
/* Note whether we have fast FMA. */
|
/* Note whether we have fast FMA. */
|
if (mode_has_fma (TYPE_MODE (type)))
|
if (mode_has_fma (TYPE_MODE (type)))
|
{
|
{
|
sprintf (name, "__FP_FAST_FMA%s", fma_suffix);
|
sprintf (name, "__FP_FAST_FMA%s", fma_suffix);
|
builtin_define_with_int_value (name, 1);
|
builtin_define_with_int_value (name, 1);
|
}
|
}
|
}
|
}
|
|
|
/* Define __DECx__ constants for TYPE using NAME_PREFIX and SUFFIX. */
|
/* Define __DECx__ constants for TYPE using NAME_PREFIX and SUFFIX. */
|
static void
|
static void
|
builtin_define_decimal_float_constants (const char *name_prefix,
|
builtin_define_decimal_float_constants (const char *name_prefix,
|
const char *suffix,
|
const char *suffix,
|
tree type)
|
tree type)
|
{
|
{
|
const struct real_format *fmt;
|
const struct real_format *fmt;
|
char name[64], buf[128], *p;
|
char name[64], buf[128], *p;
|
int digits;
|
int digits;
|
|
|
fmt = REAL_MODE_FORMAT (TYPE_MODE (type));
|
fmt = REAL_MODE_FORMAT (TYPE_MODE (type));
|
|
|
/* The number of radix digits, p, in the significand. */
|
/* The number of radix digits, p, in the significand. */
|
sprintf (name, "__%s_MANT_DIG__", name_prefix);
|
sprintf (name, "__%s_MANT_DIG__", name_prefix);
|
builtin_define_with_int_value (name, fmt->p);
|
builtin_define_with_int_value (name, fmt->p);
|
|
|
/* The minimum negative int x such that b**(x-1) is a normalized float. */
|
/* The minimum negative int x such that b**(x-1) is a normalized float. */
|
sprintf (name, "__%s_MIN_EXP__", name_prefix);
|
sprintf (name, "__%s_MIN_EXP__", name_prefix);
|
sprintf (buf, "(%d)", fmt->emin);
|
sprintf (buf, "(%d)", fmt->emin);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
|
|
/* The maximum int x such that b**(x-1) is a representable float. */
|
/* The maximum int x such that b**(x-1) is a representable float. */
|
sprintf (name, "__%s_MAX_EXP__", name_prefix);
|
sprintf (name, "__%s_MAX_EXP__", name_prefix);
|
builtin_define_with_int_value (name, fmt->emax);
|
builtin_define_with_int_value (name, fmt->emax);
|
|
|
/* Compute the minimum representable value. */
|
/* Compute the minimum representable value. */
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (buf, "1E%d%s", fmt->emin - 1, suffix);
|
sprintf (buf, "1E%d%s", fmt->emin - 1, suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
|
|
/* Compute the maximum representable value. */
|
/* Compute the maximum representable value. */
|
sprintf (name, "__%s_MAX__", name_prefix);
|
sprintf (name, "__%s_MAX__", name_prefix);
|
p = buf;
|
p = buf;
|
for (digits = fmt->p; digits; digits--)
|
for (digits = fmt->p; digits; digits--)
|
{
|
{
|
*p++ = '9';
|
*p++ = '9';
|
if (digits == fmt->p)
|
if (digits == fmt->p)
|
*p++ = '.';
|
*p++ = '.';
|
}
|
}
|
*p = 0;
|
*p = 0;
|
/* fmt->p plus 1, to account for the decimal point and fmt->emax
|
/* fmt->p plus 1, to account for the decimal point and fmt->emax
|
minus 1 because the digits are nines, not 1.0. */
|
minus 1 because the digits are nines, not 1.0. */
|
sprintf (&buf[fmt->p + 1], "E%d%s", fmt->emax - 1, suffix);
|
sprintf (&buf[fmt->p + 1], "E%d%s", fmt->emax - 1, suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
|
|
/* Compute epsilon (the difference between 1 and least value greater
|
/* Compute epsilon (the difference between 1 and least value greater
|
than 1 representable). */
|
than 1 representable). */
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
sprintf (buf, "1E-%d%s", fmt->p - 1, suffix);
|
sprintf (buf, "1E-%d%s", fmt->p - 1, suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
|
|
/* Minimum subnormal positive decimal value. */
|
/* Minimum subnormal positive decimal value. */
|
sprintf (name, "__%s_SUBNORMAL_MIN__", name_prefix);
|
sprintf (name, "__%s_SUBNORMAL_MIN__", name_prefix);
|
p = buf;
|
p = buf;
|
for (digits = fmt->p; digits > 1; digits--)
|
for (digits = fmt->p; digits > 1; digits--)
|
{
|
{
|
*p++ = '0';
|
*p++ = '0';
|
if (digits == fmt->p)
|
if (digits == fmt->p)
|
*p++ = '.';
|
*p++ = '.';
|
}
|
}
|
*p = 0;
|
*p = 0;
|
sprintf (&buf[fmt->p], "1E%d%s", fmt->emin - 1, suffix);
|
sprintf (&buf[fmt->p], "1E%d%s", fmt->emin - 1, suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
}
|
}
|
|
|
/* Define fixed-point constants for TYPE using NAME_PREFIX and SUFFIX. */
|
/* Define fixed-point constants for TYPE using NAME_PREFIX and SUFFIX. */
|
|
|
static void
|
static void
|
builtin_define_fixed_point_constants (const char *name_prefix,
|
builtin_define_fixed_point_constants (const char *name_prefix,
|
const char *suffix,
|
const char *suffix,
|
tree type)
|
tree type)
|
{
|
{
|
char name[64], buf[256], *new_buf;
|
char name[64], buf[256], *new_buf;
|
int i, mod;
|
int i, mod;
|
|
|
sprintf (name, "__%s_FBIT__", name_prefix);
|
sprintf (name, "__%s_FBIT__", name_prefix);
|
builtin_define_with_int_value (name, TYPE_FBIT (type));
|
builtin_define_with_int_value (name, TYPE_FBIT (type));
|
|
|
sprintf (name, "__%s_IBIT__", name_prefix);
|
sprintf (name, "__%s_IBIT__", name_prefix);
|
builtin_define_with_int_value (name, TYPE_IBIT (type));
|
builtin_define_with_int_value (name, TYPE_IBIT (type));
|
|
|
/* If there is no suffix, defines are for fixed-point modes.
|
/* If there is no suffix, defines are for fixed-point modes.
|
We just return. */
|
We just return. */
|
if (strcmp (suffix, "") == 0)
|
if (strcmp (suffix, "") == 0)
|
return;
|
return;
|
|
|
if (TYPE_UNSIGNED (type))
|
if (TYPE_UNSIGNED (type))
|
{
|
{
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (buf, "0.0%s", suffix);
|
sprintf (buf, "0.0%s", suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
}
|
}
|
else
|
else
|
{
|
{
|
sprintf (name, "__%s_MIN__", name_prefix);
|
sprintf (name, "__%s_MIN__", name_prefix);
|
if (ALL_ACCUM_MODE_P (TYPE_MODE (type)))
|
if (ALL_ACCUM_MODE_P (TYPE_MODE (type)))
|
sprintf (buf, "(-0X1P%d%s-0X1P%d%s)", TYPE_IBIT (type) - 1, suffix,
|
sprintf (buf, "(-0X1P%d%s-0X1P%d%s)", TYPE_IBIT (type) - 1, suffix,
|
TYPE_IBIT (type) - 1, suffix);
|
TYPE_IBIT (type) - 1, suffix);
|
else
|
else
|
sprintf (buf, "(-0.5%s-0.5%s)", suffix, suffix);
|
sprintf (buf, "(-0.5%s-0.5%s)", suffix, suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
}
|
}
|
|
|
sprintf (name, "__%s_MAX__", name_prefix);
|
sprintf (name, "__%s_MAX__", name_prefix);
|
sprintf (buf, "0X");
|
sprintf (buf, "0X");
|
new_buf = buf + 2;
|
new_buf = buf + 2;
|
mod = (TYPE_FBIT (type) + TYPE_IBIT (type)) % 4;
|
mod = (TYPE_FBIT (type) + TYPE_IBIT (type)) % 4;
|
if (mod)
|
if (mod)
|
sprintf (new_buf++, "%x", (1 << mod) - 1);
|
sprintf (new_buf++, "%x", (1 << mod) - 1);
|
for (i = 0; i < (TYPE_FBIT (type) + TYPE_IBIT (type)) / 4; i++)
|
for (i = 0; i < (TYPE_FBIT (type) + TYPE_IBIT (type)) / 4; i++)
|
sprintf (new_buf++, "F");
|
sprintf (new_buf++, "F");
|
sprintf (new_buf, "P-%d%s", TYPE_FBIT (type), suffix);
|
sprintf (new_buf, "P-%d%s", TYPE_FBIT (type), suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
|
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
sprintf (name, "__%s_EPSILON__", name_prefix);
|
sprintf (buf, "0x1P-%d%s", TYPE_FBIT (type), suffix);
|
sprintf (buf, "0x1P-%d%s", TYPE_FBIT (type), suffix);
|
builtin_define_with_value (name, buf, 0);
|
builtin_define_with_value (name, buf, 0);
|
}
|
}
|
|
|
/* Define macros used by <stdint.h>. */
|
/* Define macros used by <stdint.h>. */
|
static void
|
static void
|
builtin_define_stdint_macros (void)
|
builtin_define_stdint_macros (void)
|
{
|
{
|
builtin_define_type_max ("__INTMAX_MAX__", intmax_type_node);
|
builtin_define_type_max ("__INTMAX_MAX__", intmax_type_node);
|
builtin_define_constants ("__INTMAX_C", intmax_type_node);
|
builtin_define_constants ("__INTMAX_C", intmax_type_node);
|
builtin_define_type_max ("__UINTMAX_MAX__", uintmax_type_node);
|
builtin_define_type_max ("__UINTMAX_MAX__", uintmax_type_node);
|
builtin_define_constants ("__UINTMAX_C", uintmax_type_node);
|
builtin_define_constants ("__UINTMAX_C", uintmax_type_node);
|
if (sig_atomic_type_node)
|
if (sig_atomic_type_node)
|
builtin_define_type_minmax ("__SIG_ATOMIC_MIN__", "__SIG_ATOMIC_MAX__",
|
builtin_define_type_minmax ("__SIG_ATOMIC_MIN__", "__SIG_ATOMIC_MAX__",
|
sig_atomic_type_node);
|
sig_atomic_type_node);
|
if (int8_type_node)
|
if (int8_type_node)
|
builtin_define_type_max ("__INT8_MAX__", int8_type_node);
|
builtin_define_type_max ("__INT8_MAX__", int8_type_node);
|
if (int16_type_node)
|
if (int16_type_node)
|
builtin_define_type_max ("__INT16_MAX__", int16_type_node);
|
builtin_define_type_max ("__INT16_MAX__", int16_type_node);
|
if (int32_type_node)
|
if (int32_type_node)
|
builtin_define_type_max ("__INT32_MAX__", int32_type_node);
|
builtin_define_type_max ("__INT32_MAX__", int32_type_node);
|
if (int64_type_node)
|
if (int64_type_node)
|
builtin_define_type_max ("__INT64_MAX__", int64_type_node);
|
builtin_define_type_max ("__INT64_MAX__", int64_type_node);
|
if (uint8_type_node)
|
if (uint8_type_node)
|
builtin_define_type_max ("__UINT8_MAX__", uint8_type_node);
|
builtin_define_type_max ("__UINT8_MAX__", uint8_type_node);
|
if (uint16_type_node)
|
if (uint16_type_node)
|
builtin_define_type_max ("__UINT16_MAX__", uint16_type_node);
|
builtin_define_type_max ("__UINT16_MAX__", uint16_type_node);
|
if (c_uint32_type_node)
|
if (c_uint32_type_node)
|
builtin_define_type_max ("__UINT32_MAX__", c_uint32_type_node);
|
builtin_define_type_max ("__UINT32_MAX__", c_uint32_type_node);
|
if (c_uint64_type_node)
|
if (c_uint64_type_node)
|
builtin_define_type_max ("__UINT64_MAX__", c_uint64_type_node);
|
builtin_define_type_max ("__UINT64_MAX__", c_uint64_type_node);
|
if (int_least8_type_node)
|
if (int_least8_type_node)
|
{
|
{
|
builtin_define_type_max ("__INT_LEAST8_MAX__", int_least8_type_node);
|
builtin_define_type_max ("__INT_LEAST8_MAX__", int_least8_type_node);
|
builtin_define_constants ("__INT8_C", int_least8_type_node);
|
builtin_define_constants ("__INT8_C", int_least8_type_node);
|
}
|
}
|
if (int_least16_type_node)
|
if (int_least16_type_node)
|
{
|
{
|
builtin_define_type_max ("__INT_LEAST16_MAX__", int_least16_type_node);
|
builtin_define_type_max ("__INT_LEAST16_MAX__", int_least16_type_node);
|
builtin_define_constants ("__INT16_C", int_least16_type_node);
|
builtin_define_constants ("__INT16_C", int_least16_type_node);
|
}
|
}
|
if (int_least32_type_node)
|
if (int_least32_type_node)
|
{
|
{
|
builtin_define_type_max ("__INT_LEAST32_MAX__", int_least32_type_node);
|
builtin_define_type_max ("__INT_LEAST32_MAX__", int_least32_type_node);
|
builtin_define_constants ("__INT32_C", int_least32_type_node);
|
builtin_define_constants ("__INT32_C", int_least32_type_node);
|
}
|
}
|
if (int_least64_type_node)
|
if (int_least64_type_node)
|
{
|
{
|
builtin_define_type_max ("__INT_LEAST64_MAX__", int_least64_type_node);
|
builtin_define_type_max ("__INT_LEAST64_MAX__", int_least64_type_node);
|
builtin_define_constants ("__INT64_C", int_least64_type_node);
|
builtin_define_constants ("__INT64_C", int_least64_type_node);
|
}
|
}
|
if (uint_least8_type_node)
|
if (uint_least8_type_node)
|
{
|
{
|
builtin_define_type_max ("__UINT_LEAST8_MAX__", uint_least8_type_node);
|
builtin_define_type_max ("__UINT_LEAST8_MAX__", uint_least8_type_node);
|
builtin_define_constants ("__UINT8_C", uint_least8_type_node);
|
builtin_define_constants ("__UINT8_C", uint_least8_type_node);
|
}
|
}
|
if (uint_least16_type_node)
|
if (uint_least16_type_node)
|
{
|
{
|
builtin_define_type_max ("__UINT_LEAST16_MAX__", uint_least16_type_node);
|
builtin_define_type_max ("__UINT_LEAST16_MAX__", uint_least16_type_node);
|
builtin_define_constants ("__UINT16_C", uint_least16_type_node);
|
builtin_define_constants ("__UINT16_C", uint_least16_type_node);
|
}
|
}
|
if (uint_least32_type_node)
|
if (uint_least32_type_node)
|
{
|
{
|
builtin_define_type_max ("__UINT_LEAST32_MAX__", uint_least32_type_node);
|
builtin_define_type_max ("__UINT_LEAST32_MAX__", uint_least32_type_node);
|
builtin_define_constants ("__UINT32_C", uint_least32_type_node);
|
builtin_define_constants ("__UINT32_C", uint_least32_type_node);
|
}
|
}
|
if (uint_least64_type_node)
|
if (uint_least64_type_node)
|
{
|
{
|
builtin_define_type_max ("__UINT_LEAST64_MAX__", uint_least64_type_node);
|
builtin_define_type_max ("__UINT_LEAST64_MAX__", uint_least64_type_node);
|
builtin_define_constants ("__UINT64_C", uint_least64_type_node);
|
builtin_define_constants ("__UINT64_C", uint_least64_type_node);
|
}
|
}
|
if (int_fast8_type_node)
|
if (int_fast8_type_node)
|
builtin_define_type_max ("__INT_FAST8_MAX__", int_fast8_type_node);
|
builtin_define_type_max ("__INT_FAST8_MAX__", int_fast8_type_node);
|
if (int_fast16_type_node)
|
if (int_fast16_type_node)
|
builtin_define_type_max ("__INT_FAST16_MAX__", int_fast16_type_node);
|
builtin_define_type_max ("__INT_FAST16_MAX__", int_fast16_type_node);
|
if (int_fast32_type_node)
|
if (int_fast32_type_node)
|
builtin_define_type_max ("__INT_FAST32_MAX__", int_fast32_type_node);
|
builtin_define_type_max ("__INT_FAST32_MAX__", int_fast32_type_node);
|
if (int_fast64_type_node)
|
if (int_fast64_type_node)
|
builtin_define_type_max ("__INT_FAST64_MAX__", int_fast64_type_node);
|
builtin_define_type_max ("__INT_FAST64_MAX__", int_fast64_type_node);
|
if (uint_fast8_type_node)
|
if (uint_fast8_type_node)
|
builtin_define_type_max ("__UINT_FAST8_MAX__", uint_fast8_type_node);
|
builtin_define_type_max ("__UINT_FAST8_MAX__", uint_fast8_type_node);
|
if (uint_fast16_type_node)
|
if (uint_fast16_type_node)
|
builtin_define_type_max ("__UINT_FAST16_MAX__", uint_fast16_type_node);
|
builtin_define_type_max ("__UINT_FAST16_MAX__", uint_fast16_type_node);
|
if (uint_fast32_type_node)
|
if (uint_fast32_type_node)
|
builtin_define_type_max ("__UINT_FAST32_MAX__", uint_fast32_type_node);
|
builtin_define_type_max ("__UINT_FAST32_MAX__", uint_fast32_type_node);
|
if (uint_fast64_type_node)
|
if (uint_fast64_type_node)
|
builtin_define_type_max ("__UINT_FAST64_MAX__", uint_fast64_type_node);
|
builtin_define_type_max ("__UINT_FAST64_MAX__", uint_fast64_type_node);
|
if (intptr_type_node)
|
if (intptr_type_node)
|
builtin_define_type_max ("__INTPTR_MAX__", intptr_type_node);
|
builtin_define_type_max ("__INTPTR_MAX__", intptr_type_node);
|
if (uintptr_type_node)
|
if (uintptr_type_node)
|
builtin_define_type_max ("__UINTPTR_MAX__", uintptr_type_node);
|
builtin_define_type_max ("__UINTPTR_MAX__", uintptr_type_node);
|
}
|
}
|
|
|
/* Adjust the optimization macros when a #pragma GCC optimization is done to
|
/* Adjust the optimization macros when a #pragma GCC optimization is done to
|
reflect the current level. */
|
reflect the current level. */
|
void
|
void
|
c_cpp_builtins_optimize_pragma (cpp_reader *pfile, tree prev_tree,
|
c_cpp_builtins_optimize_pragma (cpp_reader *pfile, tree prev_tree,
|
tree cur_tree)
|
tree cur_tree)
|
{
|
{
|
struct cl_optimization *prev = TREE_OPTIMIZATION (prev_tree);
|
struct cl_optimization *prev = TREE_OPTIMIZATION (prev_tree);
|
struct cl_optimization *cur = TREE_OPTIMIZATION (cur_tree);
|
struct cl_optimization *cur = TREE_OPTIMIZATION (cur_tree);
|
bool prev_fast_math;
|
bool prev_fast_math;
|
bool cur_fast_math;
|
bool cur_fast_math;
|
|
|
/* -undef turns off target-specific built-ins. */
|
/* -undef turns off target-specific built-ins. */
|
if (flag_undef)
|
if (flag_undef)
|
return;
|
return;
|
|
|
/* Other target-independent built-ins determined by command-line
|
/* Other target-independent built-ins determined by command-line
|
options. */
|
options. */
|
if (!prev->x_optimize_size && cur->x_optimize_size)
|
if (!prev->x_optimize_size && cur->x_optimize_size)
|
cpp_define (pfile, "__OPTIMIZE_SIZE__");
|
cpp_define (pfile, "__OPTIMIZE_SIZE__");
|
else if (prev->x_optimize_size && !cur->x_optimize_size)
|
else if (prev->x_optimize_size && !cur->x_optimize_size)
|
cpp_undef (pfile, "__OPTIMIZE_SIZE__");
|
cpp_undef (pfile, "__OPTIMIZE_SIZE__");
|
|
|
if (!prev->x_optimize && cur->x_optimize)
|
if (!prev->x_optimize && cur->x_optimize)
|
cpp_define (pfile, "__OPTIMIZE__");
|
cpp_define (pfile, "__OPTIMIZE__");
|
else if (prev->x_optimize && !cur->x_optimize)
|
else if (prev->x_optimize && !cur->x_optimize)
|
cpp_undef (pfile, "__OPTIMIZE__");
|
cpp_undef (pfile, "__OPTIMIZE__");
|
|
|
prev_fast_math = fast_math_flags_struct_set_p (prev);
|
prev_fast_math = fast_math_flags_struct_set_p (prev);
|
cur_fast_math = fast_math_flags_struct_set_p (cur);
|
cur_fast_math = fast_math_flags_struct_set_p (cur);
|
if (!prev_fast_math && cur_fast_math)
|
if (!prev_fast_math && cur_fast_math)
|
cpp_define (pfile, "__FAST_MATH__");
|
cpp_define (pfile, "__FAST_MATH__");
|
else if (prev_fast_math && !cur_fast_math)
|
else if (prev_fast_math && !cur_fast_math)
|
cpp_undef (pfile, "__FAST_MATH__");
|
cpp_undef (pfile, "__FAST_MATH__");
|
|
|
if (!prev->x_flag_signaling_nans && cur->x_flag_signaling_nans)
|
if (!prev->x_flag_signaling_nans && cur->x_flag_signaling_nans)
|
cpp_define (pfile, "__SUPPORT_SNAN__");
|
cpp_define (pfile, "__SUPPORT_SNAN__");
|
else if (prev->x_flag_signaling_nans && !cur->x_flag_signaling_nans)
|
else if (prev->x_flag_signaling_nans && !cur->x_flag_signaling_nans)
|
cpp_undef (pfile, "__SUPPORT_SNAN__");
|
cpp_undef (pfile, "__SUPPORT_SNAN__");
|
|
|
if (!prev->x_flag_finite_math_only && cur->x_flag_finite_math_only)
|
if (!prev->x_flag_finite_math_only && cur->x_flag_finite_math_only)
|
{
|
{
|
cpp_undef (pfile, "__FINITE_MATH_ONLY__");
|
cpp_undef (pfile, "__FINITE_MATH_ONLY__");
|
cpp_define (pfile, "__FINITE_MATH_ONLY__=1");
|
cpp_define (pfile, "__FINITE_MATH_ONLY__=1");
|
}
|
}
|
else if (prev->x_flag_finite_math_only && !cur->x_flag_finite_math_only)
|
else if (prev->x_flag_finite_math_only && !cur->x_flag_finite_math_only)
|
{
|
{
|
cpp_undef (pfile, "__FINITE_MATH_ONLY__");
|
cpp_undef (pfile, "__FINITE_MATH_ONLY__");
|
cpp_define (pfile, "__FINITE_MATH_ONLY__=0");
|
cpp_define (pfile, "__FINITE_MATH_ONLY__=0");
|
}
|
}
|
}
|
}
|
|
|
|
|
/* This function will emit cpp macros to indicate the presence of various lock
|
/* This function will emit cpp macros to indicate the presence of various lock
|
free atomic operations. */
|
free atomic operations. */
|
|
|
static void
|
static void
|
cpp_atomic_builtins (cpp_reader *pfile)
|
cpp_atomic_builtins (cpp_reader *pfile)
|
{
|
{
|
/* Set a flag for each size of object that compare and swap exists for up to
|
/* Set a flag for each size of object that compare and swap exists for up to
|
a 16 byte object. */
|
a 16 byte object. */
|
#define SWAP_LIMIT 17
|
#define SWAP_LIMIT 17
|
bool have_swap[SWAP_LIMIT];
|
bool have_swap[SWAP_LIMIT];
|
unsigned int psize;
|
unsigned int psize;
|
|
|
/* Clear the map of sizes compare_and swap exists for. */
|
/* Clear the map of sizes compare_and swap exists for. */
|
memset (have_swap, 0, sizeof (have_swap));
|
memset (have_swap, 0, sizeof (have_swap));
|
|
|
/* Tell source code if the compiler makes sync_compare_and_swap
|
/* Tell source code if the compiler makes sync_compare_and_swap
|
builtins available. */
|
builtins available. */
|
#ifndef HAVE_sync_compare_and_swapqi
|
#ifndef HAVE_sync_compare_and_swapqi
|
#define HAVE_sync_compare_and_swapqi 0
|
#define HAVE_sync_compare_and_swapqi 0
|
#endif
|
#endif
|
#ifndef HAVE_atomic_compare_and_swapqi
|
#ifndef HAVE_atomic_compare_and_swapqi
|
#define HAVE_atomic_compare_and_swapqi 0
|
#define HAVE_atomic_compare_and_swapqi 0
|
#endif
|
#endif
|
|
|
if (HAVE_sync_compare_and_swapqi || HAVE_atomic_compare_and_swapqi)
|
if (HAVE_sync_compare_and_swapqi || HAVE_atomic_compare_and_swapqi)
|
{
|
{
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
|
have_swap[1] = true;
|
have_swap[1] = true;
|
}
|
}
|
|
|
#ifndef HAVE_sync_compare_and_swaphi
|
#ifndef HAVE_sync_compare_and_swaphi
|
#define HAVE_sync_compare_and_swaphi 0
|
#define HAVE_sync_compare_and_swaphi 0
|
#endif
|
#endif
|
#ifndef HAVE_atomic_compare_and_swaphi
|
#ifndef HAVE_atomic_compare_and_swaphi
|
#define HAVE_atomic_compare_and_swaphi 0
|
#define HAVE_atomic_compare_and_swaphi 0
|
#endif
|
#endif
|
if (HAVE_sync_compare_and_swaphi || HAVE_atomic_compare_and_swaphi)
|
if (HAVE_sync_compare_and_swaphi || HAVE_atomic_compare_and_swaphi)
|
{
|
{
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
|
have_swap[2] = true;
|
have_swap[2] = true;
|
}
|
}
|
|
|
#ifndef HAVE_sync_compare_and_swapsi
|
#ifndef HAVE_sync_compare_and_swapsi
|
#define HAVE_sync_compare_and_swapsi 0
|
#define HAVE_sync_compare_and_swapsi 0
|
#endif
|
#endif
|
#ifndef HAVE_atomic_compare_and_swapsi
|
#ifndef HAVE_atomic_compare_and_swapsi
|
#define HAVE_atomic_compare_and_swapsi 0
|
#define HAVE_atomic_compare_and_swapsi 0
|
#endif
|
#endif
|
if (HAVE_sync_compare_and_swapsi || HAVE_atomic_compare_and_swapsi)
|
if (HAVE_sync_compare_and_swapsi || HAVE_atomic_compare_and_swapsi)
|
{
|
{
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
|
have_swap[4] = true;
|
have_swap[4] = true;
|
}
|
}
|
|
|
#ifndef HAVE_sync_compare_and_swapdi
|
#ifndef HAVE_sync_compare_and_swapdi
|
#define HAVE_sync_compare_and_swapdi 0
|
#define HAVE_sync_compare_and_swapdi 0
|
#endif
|
#endif
|
#ifndef HAVE_atomic_compare_and_swapdi
|
#ifndef HAVE_atomic_compare_and_swapdi
|
#define HAVE_atomic_compare_and_swapdi 0
|
#define HAVE_atomic_compare_and_swapdi 0
|
#endif
|
#endif
|
if (HAVE_sync_compare_and_swapdi || HAVE_atomic_compare_and_swapdi)
|
if (HAVE_sync_compare_and_swapdi || HAVE_atomic_compare_and_swapdi)
|
{
|
{
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
|
have_swap[8] = true;
|
have_swap[8] = true;
|
}
|
}
|
|
|
#ifndef HAVE_sync_compare_and_swapti
|
#ifndef HAVE_sync_compare_and_swapti
|
#define HAVE_sync_compare_and_swapti 0
|
#define HAVE_sync_compare_and_swapti 0
|
#endif
|
#endif
|
#ifndef HAVE_atomic_compare_and_swapti
|
#ifndef HAVE_atomic_compare_and_swapti
|
#define HAVE_atomic_compare_and_swapti 0
|
#define HAVE_atomic_compare_and_swapti 0
|
#endif
|
#endif
|
if (HAVE_sync_compare_and_swapti || HAVE_atomic_compare_and_swapti)
|
if (HAVE_sync_compare_and_swapti || HAVE_atomic_compare_and_swapti)
|
{
|
{
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
|
cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16");
|
have_swap[16] = true;
|
have_swap[16] = true;
|
}
|
}
|
|
|
/* Tell the source code about various types. These map to the C++11 and C11
|
/* Tell the source code about various types. These map to the C++11 and C11
|
macros where 2 indicates lock-free always, and 1 indicates sometimes
|
macros where 2 indicates lock-free always, and 1 indicates sometimes
|
lock free. */
|
lock free. */
|
#define SIZEOF_NODE(T) (tree_low_cst (TYPE_SIZE_UNIT (T), 1))
|
#define SIZEOF_NODE(T) (tree_low_cst (TYPE_SIZE_UNIT (T), 1))
|
#define SWAP_INDEX(T) ((SIZEOF_NODE (T) < SWAP_LIMIT) ? SIZEOF_NODE (T) : 0)
|
#define SWAP_INDEX(T) ((SIZEOF_NODE (T) < SWAP_LIMIT) ? SIZEOF_NODE (T) : 0)
|
builtin_define_with_int_value ("__GCC_ATOMIC_BOOL_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_BOOL_LOCK_FREE",
|
(have_swap[SWAP_INDEX (boolean_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (boolean_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR_LOCK_FREE",
|
(have_swap[SWAP_INDEX (signed_char_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (signed_char_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR16_T_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR16_T_LOCK_FREE",
|
(have_swap[SWAP_INDEX (char16_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (char16_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR32_T_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_CHAR32_T_LOCK_FREE",
|
(have_swap[SWAP_INDEX (char32_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (char32_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_WCHAR_T_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_WCHAR_T_LOCK_FREE",
|
(have_swap[SWAP_INDEX (wchar_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (wchar_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_SHORT_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_SHORT_LOCK_FREE",
|
(have_swap[SWAP_INDEX (short_integer_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (short_integer_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_INT_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_INT_LOCK_FREE",
|
(have_swap[SWAP_INDEX (integer_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (integer_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_LONG_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_LONG_LOCK_FREE",
|
(have_swap[SWAP_INDEX (long_integer_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (long_integer_type_node)]? 2 : 1));
|
builtin_define_with_int_value ("__GCC_ATOMIC_LLONG_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_LLONG_LOCK_FREE",
|
(have_swap[SWAP_INDEX (long_long_integer_type_node)]? 2 : 1));
|
(have_swap[SWAP_INDEX (long_long_integer_type_node)]? 2 : 1));
|
|
|
/* If we're dealing with a "set" value that doesn't exactly correspond
|
/* If we're dealing with a "set" value that doesn't exactly correspond
|
to a boolean truth value, let the library work around that. */
|
to a boolean truth value, let the library work around that. */
|
builtin_define_with_int_value ("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL",
|
builtin_define_with_int_value ("__GCC_ATOMIC_TEST_AND_SET_TRUEVAL",
|
targetm.atomic_test_and_set_trueval);
|
targetm.atomic_test_and_set_trueval);
|
|
|
/* ptr_type_node can't be used here since ptr_mode is only set when
|
/* ptr_type_node can't be used here since ptr_mode is only set when
|
toplev calls backend_init which is not done with -E or pch. */
|
toplev calls backend_init which is not done with -E or pch. */
|
psize = POINTER_SIZE / BITS_PER_UNIT;
|
psize = POINTER_SIZE / BITS_PER_UNIT;
|
if (psize >= SWAP_LIMIT)
|
if (psize >= SWAP_LIMIT)
|
psize = 0;
|
psize = 0;
|
builtin_define_with_int_value ("__GCC_ATOMIC_POINTER_LOCK_FREE",
|
builtin_define_with_int_value ("__GCC_ATOMIC_POINTER_LOCK_FREE",
|
(have_swap[psize]? 2 : 1));
|
(have_swap[psize]? 2 : 1));
|
}
|
}
|
|
|
/* Hook that registers front end and target-specific built-ins. */
|
/* Hook that registers front end and target-specific built-ins. */
|
void
|
void
|
c_cpp_builtins (cpp_reader *pfile)
|
c_cpp_builtins (cpp_reader *pfile)
|
{
|
{
|
/* -undef turns off target-specific built-ins. */
|
/* -undef turns off target-specific built-ins. */
|
if (flag_undef)
|
if (flag_undef)
|
return;
|
return;
|
|
|
define_language_independent_builtin_macros (pfile);
|
define_language_independent_builtin_macros (pfile);
|
|
|
if (c_dialect_cxx ())
|
if (c_dialect_cxx ())
|
{
|
{
|
int major;
|
int major;
|
parse_basever (&major, NULL, NULL);
|
parse_basever (&major, NULL, NULL);
|
cpp_define_formatted (pfile, "__GNUG__=%d", major);
|
cpp_define_formatted (pfile, "__GNUG__=%d", major);
|
}
|
}
|
|
|
/* For stddef.h. They require macros defined in c-common.c. */
|
/* For stddef.h. They require macros defined in c-common.c. */
|
c_stddef_cpp_builtins ();
|
c_stddef_cpp_builtins ();
|
|
|
if (c_dialect_cxx ())
|
if (c_dialect_cxx ())
|
{
|
{
|
if (flag_weak && SUPPORTS_ONE_ONLY)
|
if (flag_weak && SUPPORTS_ONE_ONLY)
|
cpp_define (pfile, "__GXX_WEAK__=1");
|
cpp_define (pfile, "__GXX_WEAK__=1");
|
else
|
else
|
cpp_define (pfile, "__GXX_WEAK__=0");
|
cpp_define (pfile, "__GXX_WEAK__=0");
|
if (warn_deprecated)
|
if (warn_deprecated)
|
cpp_define (pfile, "__DEPRECATED");
|
cpp_define (pfile, "__DEPRECATED");
|
if (flag_rtti)
|
if (flag_rtti)
|
cpp_define (pfile, "__GXX_RTTI");
|
cpp_define (pfile, "__GXX_RTTI");
|
if (cxx_dialect == cxx0x)
|
if (cxx_dialect == cxx0x)
|
cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__");
|
cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__");
|
}
|
}
|
/* Note that we define this for C as well, so that we know if
|
/* Note that we define this for C as well, so that we know if
|
__attribute__((cleanup)) will interface with EH. */
|
__attribute__((cleanup)) will interface with EH. */
|
if (flag_exceptions)
|
if (flag_exceptions)
|
cpp_define (pfile, "__EXCEPTIONS");
|
cpp_define (pfile, "__EXCEPTIONS");
|
|
|
/* Represents the C++ ABI version, always defined so it can be used while
|
/* Represents the C++ ABI version, always defined so it can be used while
|
preprocessing C and assembler. */
|
preprocessing C and assembler. */
|
if (flag_abi_version == 0)
|
if (flag_abi_version == 0)
|
/* Use a very large value so that:
|
/* Use a very large value so that:
|
|
|
#if __GXX_ABI_VERSION >= <value for version X>
|
#if __GXX_ABI_VERSION >= <value for version X>
|
|
|
will work whether the user explicitly says "-fabi-version=x" or
|
will work whether the user explicitly says "-fabi-version=x" or
|
"-fabi-version=0". Do not use INT_MAX because that will be
|
"-fabi-version=0". Do not use INT_MAX because that will be
|
different from system to system. */
|
different from system to system. */
|
builtin_define_with_int_value ("__GXX_ABI_VERSION", 999999);
|
builtin_define_with_int_value ("__GXX_ABI_VERSION", 999999);
|
else if (flag_abi_version == 1)
|
else if (flag_abi_version == 1)
|
/* Due to a historical accident, this version had the value
|
/* Due to a historical accident, this version had the value
|
"102". */
|
"102". */
|
builtin_define_with_int_value ("__GXX_ABI_VERSION", 102);
|
builtin_define_with_int_value ("__GXX_ABI_VERSION", 102);
|
else
|
else
|
/* Newer versions have values 1002, 1003, .... */
|
/* Newer versions have values 1002, 1003, .... */
|
builtin_define_with_int_value ("__GXX_ABI_VERSION",
|
builtin_define_with_int_value ("__GXX_ABI_VERSION",
|
1000 + flag_abi_version);
|
1000 + flag_abi_version);
|
|
|
/* libgcc needs to know this. */
|
/* libgcc needs to know this. */
|
if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ)
|
if (targetm_common.except_unwind_info (&global_options) == UI_SJLJ)
|
cpp_define (pfile, "__USING_SJLJ_EXCEPTIONS__");
|
cpp_define (pfile, "__USING_SJLJ_EXCEPTIONS__");
|
|
|
/* limits.h and stdint.h need to know these. */
|
/* limits.h and stdint.h need to know these. */
|
builtin_define_type_max ("__SCHAR_MAX__", signed_char_type_node);
|
builtin_define_type_max ("__SCHAR_MAX__", signed_char_type_node);
|
builtin_define_type_max ("__SHRT_MAX__", short_integer_type_node);
|
builtin_define_type_max ("__SHRT_MAX__", short_integer_type_node);
|
builtin_define_type_max ("__INT_MAX__", integer_type_node);
|
builtin_define_type_max ("__INT_MAX__", integer_type_node);
|
builtin_define_type_max ("__LONG_MAX__", long_integer_type_node);
|
builtin_define_type_max ("__LONG_MAX__", long_integer_type_node);
|
builtin_define_type_max ("__LONG_LONG_MAX__", long_long_integer_type_node);
|
builtin_define_type_max ("__LONG_LONG_MAX__", long_long_integer_type_node);
|
builtin_define_type_minmax ("__WCHAR_MIN__", "__WCHAR_MAX__",
|
builtin_define_type_minmax ("__WCHAR_MIN__", "__WCHAR_MAX__",
|
underlying_wchar_type_node);
|
underlying_wchar_type_node);
|
builtin_define_type_minmax ("__WINT_MIN__", "__WINT_MAX__", wint_type_node);
|
builtin_define_type_minmax ("__WINT_MIN__", "__WINT_MAX__", wint_type_node);
|
builtin_define_type_max ("__PTRDIFF_MAX__", ptrdiff_type_node);
|
builtin_define_type_max ("__PTRDIFF_MAX__", ptrdiff_type_node);
|
builtin_define_type_max ("__SIZE_MAX__", size_type_node);
|
builtin_define_type_max ("__SIZE_MAX__", size_type_node);
|
|
|
/* stdint.h and the testsuite need to know these. */
|
/* stdint.h and the testsuite need to know these. */
|
builtin_define_stdint_macros ();
|
builtin_define_stdint_macros ();
|
|
|
/* float.h needs to know this. */
|
/* float.h needs to know this. */
|
builtin_define_with_int_value ("__FLT_EVAL_METHOD__",
|
builtin_define_with_int_value ("__FLT_EVAL_METHOD__",
|
TARGET_FLT_EVAL_METHOD);
|
TARGET_FLT_EVAL_METHOD);
|
|
|
/* And decfloat.h needs this. */
|
/* And decfloat.h needs this. */
|
builtin_define_with_int_value ("__DEC_EVAL_METHOD__",
|
builtin_define_with_int_value ("__DEC_EVAL_METHOD__",
|
TARGET_DEC_EVAL_METHOD);
|
TARGET_DEC_EVAL_METHOD);
|
|
|
builtin_define_float_constants ("FLT", "F", "%s", "F", float_type_node);
|
builtin_define_float_constants ("FLT", "F", "%s", "F", float_type_node);
|
/* Cast the double precision constants. This is needed when single
|
/* Cast the double precision constants. This is needed when single
|
precision constants are specified or when pragma FLOAT_CONST_DECIMAL64
|
precision constants are specified or when pragma FLOAT_CONST_DECIMAL64
|
is used. The correct result is computed by the compiler when using
|
is used. The correct result is computed by the compiler when using
|
macros that include a cast. We use a different cast for C++ to avoid
|
macros that include a cast. We use a different cast for C++ to avoid
|
problems with -Wold-style-cast. */
|
problems with -Wold-style-cast. */
|
builtin_define_float_constants ("DBL", "L",
|
builtin_define_float_constants ("DBL", "L",
|
(c_dialect_cxx ()
|
(c_dialect_cxx ()
|
? "double(%s)"
|
? "double(%s)"
|
: "((double)%s)"),
|
: "((double)%s)"),
|
"", double_type_node);
|
"", double_type_node);
|
builtin_define_float_constants ("LDBL", "L", "%s", "L",
|
builtin_define_float_constants ("LDBL", "L", "%s", "L",
|
long_double_type_node);
|
long_double_type_node);
|
|
|
/* For decfloat.h. */
|
/* For decfloat.h. */
|
builtin_define_decimal_float_constants ("DEC32", "DF", dfloat32_type_node);
|
builtin_define_decimal_float_constants ("DEC32", "DF", dfloat32_type_node);
|
builtin_define_decimal_float_constants ("DEC64", "DD", dfloat64_type_node);
|
builtin_define_decimal_float_constants ("DEC64", "DD", dfloat64_type_node);
|
builtin_define_decimal_float_constants ("DEC128", "DL", dfloat128_type_node);
|
builtin_define_decimal_float_constants ("DEC128", "DL", dfloat128_type_node);
|
|
|
/* For fixed-point fibt, ibit, max, min, and epsilon. */
|
/* For fixed-point fibt, ibit, max, min, and epsilon. */
|
if (targetm.fixed_point_supported_p ())
|
if (targetm.fixed_point_supported_p ())
|
{
|
{
|
builtin_define_fixed_point_constants ("SFRACT", "HR",
|
builtin_define_fixed_point_constants ("SFRACT", "HR",
|
short_fract_type_node);
|
short_fract_type_node);
|
builtin_define_fixed_point_constants ("USFRACT", "UHR",
|
builtin_define_fixed_point_constants ("USFRACT", "UHR",
|
unsigned_short_fract_type_node);
|
unsigned_short_fract_type_node);
|
builtin_define_fixed_point_constants ("FRACT", "R",
|
builtin_define_fixed_point_constants ("FRACT", "R",
|
fract_type_node);
|
fract_type_node);
|
builtin_define_fixed_point_constants ("UFRACT", "UR",
|
builtin_define_fixed_point_constants ("UFRACT", "UR",
|
unsigned_fract_type_node);
|
unsigned_fract_type_node);
|
builtin_define_fixed_point_constants ("LFRACT", "LR",
|
builtin_define_fixed_point_constants ("LFRACT", "LR",
|
long_fract_type_node);
|
long_fract_type_node);
|
builtin_define_fixed_point_constants ("ULFRACT", "ULR",
|
builtin_define_fixed_point_constants ("ULFRACT", "ULR",
|
unsigned_long_fract_type_node);
|
unsigned_long_fract_type_node);
|
builtin_define_fixed_point_constants ("LLFRACT", "LLR",
|
builtin_define_fixed_point_constants ("LLFRACT", "LLR",
|
long_long_fract_type_node);
|
long_long_fract_type_node);
|
builtin_define_fixed_point_constants ("ULLFRACT", "ULLR",
|
builtin_define_fixed_point_constants ("ULLFRACT", "ULLR",
|
unsigned_long_long_fract_type_node);
|
unsigned_long_long_fract_type_node);
|
builtin_define_fixed_point_constants ("SACCUM", "HK",
|
builtin_define_fixed_point_constants ("SACCUM", "HK",
|
short_accum_type_node);
|
short_accum_type_node);
|
builtin_define_fixed_point_constants ("USACCUM", "UHK",
|
builtin_define_fixed_point_constants ("USACCUM", "UHK",
|
unsigned_short_accum_type_node);
|
unsigned_short_accum_type_node);
|
builtin_define_fixed_point_constants ("ACCUM", "K",
|
builtin_define_fixed_point_constants ("ACCUM", "K",
|
accum_type_node);
|
accum_type_node);
|
builtin_define_fixed_point_constants ("UACCUM", "UK",
|
builtin_define_fixed_point_constants ("UACCUM", "UK",
|
unsigned_accum_type_node);
|
unsigned_accum_type_node);
|
builtin_define_fixed_point_constants ("LACCUM", "LK",
|
builtin_define_fixed_point_constants ("LACCUM", "LK",
|
long_accum_type_node);
|
long_accum_type_node);
|
builtin_define_fixed_point_constants ("ULACCUM", "ULK",
|
builtin_define_fixed_point_constants ("ULACCUM", "ULK",
|
unsigned_long_accum_type_node);
|
unsigned_long_accum_type_node);
|
builtin_define_fixed_point_constants ("LLACCUM", "LLK",
|
builtin_define_fixed_point_constants ("LLACCUM", "LLK",
|
long_long_accum_type_node);
|
long_long_accum_type_node);
|
builtin_define_fixed_point_constants ("ULLACCUM", "ULLK",
|
builtin_define_fixed_point_constants ("ULLACCUM", "ULLK",
|
unsigned_long_long_accum_type_node);
|
unsigned_long_long_accum_type_node);
|
|
|
builtin_define_fixed_point_constants ("QQ", "", qq_type_node);
|
builtin_define_fixed_point_constants ("QQ", "", qq_type_node);
|
builtin_define_fixed_point_constants ("HQ", "", hq_type_node);
|
builtin_define_fixed_point_constants ("HQ", "", hq_type_node);
|
builtin_define_fixed_point_constants ("SQ", "", sq_type_node);
|
builtin_define_fixed_point_constants ("SQ", "", sq_type_node);
|
builtin_define_fixed_point_constants ("DQ", "", dq_type_node);
|
builtin_define_fixed_point_constants ("DQ", "", dq_type_node);
|
builtin_define_fixed_point_constants ("TQ", "", tq_type_node);
|
builtin_define_fixed_point_constants ("TQ", "", tq_type_node);
|
builtin_define_fixed_point_constants ("UQQ", "", uqq_type_node);
|
builtin_define_fixed_point_constants ("UQQ", "", uqq_type_node);
|
builtin_define_fixed_point_constants ("UHQ", "", uhq_type_node);
|
builtin_define_fixed_point_constants ("UHQ", "", uhq_type_node);
|
builtin_define_fixed_point_constants ("USQ", "", usq_type_node);
|
builtin_define_fixed_point_constants ("USQ", "", usq_type_node);
|
builtin_define_fixed_point_constants ("UDQ", "", udq_type_node);
|
builtin_define_fixed_point_constants ("UDQ", "", udq_type_node);
|
builtin_define_fixed_point_constants ("UTQ", "", utq_type_node);
|
builtin_define_fixed_point_constants ("UTQ", "", utq_type_node);
|
builtin_define_fixed_point_constants ("HA", "", ha_type_node);
|
builtin_define_fixed_point_constants ("HA", "", ha_type_node);
|
builtin_define_fixed_point_constants ("SA", "", sa_type_node);
|
builtin_define_fixed_point_constants ("SA", "", sa_type_node);
|
builtin_define_fixed_point_constants ("DA", "", da_type_node);
|
builtin_define_fixed_point_constants ("DA", "", da_type_node);
|
builtin_define_fixed_point_constants ("TA", "", ta_type_node);
|
builtin_define_fixed_point_constants ("TA", "", ta_type_node);
|
builtin_define_fixed_point_constants ("UHA", "", uha_type_node);
|
builtin_define_fixed_point_constants ("UHA", "", uha_type_node);
|
builtin_define_fixed_point_constants ("USA", "", usa_type_node);
|
builtin_define_fixed_point_constants ("USA", "", usa_type_node);
|
builtin_define_fixed_point_constants ("UDA", "", uda_type_node);
|
builtin_define_fixed_point_constants ("UDA", "", uda_type_node);
|
builtin_define_fixed_point_constants ("UTA", "", uta_type_node);
|
builtin_define_fixed_point_constants ("UTA", "", uta_type_node);
|
}
|
}
|
|
|
/* For libgcc-internal use only. */
|
/* For libgcc-internal use only. */
|
if (flag_building_libgcc)
|
if (flag_building_libgcc)
|
/* For libgcc enable-execute-stack.c. */
|
/* For libgcc enable-execute-stack.c. */
|
builtin_define_with_int_value ("__LIBGCC_TRAMPOLINE_SIZE__",
|
builtin_define_with_int_value ("__LIBGCC_TRAMPOLINE_SIZE__",
|
TRAMPOLINE_SIZE);
|
TRAMPOLINE_SIZE);
|
|
|
/* For use in assembly language. */
|
/* For use in assembly language. */
|
builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0);
|
builtin_define_with_value ("__REGISTER_PREFIX__", REGISTER_PREFIX, 0);
|
builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0);
|
builtin_define_with_value ("__USER_LABEL_PREFIX__", user_label_prefix, 0);
|
|
|
/* Misc. */
|
/* Misc. */
|
if (flag_gnu89_inline)
|
if (flag_gnu89_inline)
|
cpp_define (pfile, "__GNUC_GNU_INLINE__");
|
cpp_define (pfile, "__GNUC_GNU_INLINE__");
|
else
|
else
|
cpp_define (pfile, "__GNUC_STDC_INLINE__");
|
cpp_define (pfile, "__GNUC_STDC_INLINE__");
|
|
|
if (flag_no_inline)
|
if (flag_no_inline)
|
cpp_define (pfile, "__NO_INLINE__");
|
cpp_define (pfile, "__NO_INLINE__");
|
|
|
if (flag_iso)
|
if (flag_iso)
|
cpp_define (pfile, "__STRICT_ANSI__");
|
cpp_define (pfile, "__STRICT_ANSI__");
|
|
|
if (!flag_signed_char)
|
if (!flag_signed_char)
|
cpp_define (pfile, "__CHAR_UNSIGNED__");
|
cpp_define (pfile, "__CHAR_UNSIGNED__");
|
|
|
if (c_dialect_cxx () && TYPE_UNSIGNED (wchar_type_node))
|
if (c_dialect_cxx () && TYPE_UNSIGNED (wchar_type_node))
|
cpp_define (pfile, "__WCHAR_UNSIGNED__");
|
cpp_define (pfile, "__WCHAR_UNSIGNED__");
|
|
|
cpp_atomic_builtins (pfile);
|
cpp_atomic_builtins (pfile);
|
|
|
#ifdef DWARF2_UNWIND_INFO
|
#ifdef DWARF2_UNWIND_INFO
|
if (dwarf2out_do_cfi_asm ())
|
if (dwarf2out_do_cfi_asm ())
|
cpp_define (pfile, "__GCC_HAVE_DWARF2_CFI_ASM");
|
cpp_define (pfile, "__GCC_HAVE_DWARF2_CFI_ASM");
|
#endif
|
#endif
|
|
|
/* Make the choice of ObjC runtime visible to source code. */
|
/* Make the choice of ObjC runtime visible to source code. */
|
if (c_dialect_objc () && flag_next_runtime)
|
if (c_dialect_objc () && flag_next_runtime)
|
cpp_define (pfile, "__NEXT_RUNTIME__");
|
cpp_define (pfile, "__NEXT_RUNTIME__");
|
|
|
/* Show the availability of some target pragmas. */
|
/* Show the availability of some target pragmas. */
|
cpp_define (pfile, "__PRAGMA_REDEFINE_EXTNAME");
|
cpp_define (pfile, "__PRAGMA_REDEFINE_EXTNAME");
|
|
|
if (targetm.handle_pragma_extern_prefix)
|
if (targetm.handle_pragma_extern_prefix)
|
cpp_define (pfile, "__PRAGMA_EXTERN_PREFIX");
|
cpp_define (pfile, "__PRAGMA_EXTERN_PREFIX");
|
|
|
/* Make the choice of the stack protector runtime visible to source code.
|
/* Make the choice of the stack protector runtime visible to source code.
|
The macro names and values here were chosen for compatibility with an
|
The macro names and values here were chosen for compatibility with an
|
earlier implementation, i.e. ProPolice. */
|
earlier implementation, i.e. ProPolice. */
|
if (flag_stack_protect == 2)
|
if (flag_stack_protect == 2)
|
cpp_define (pfile, "__SSP_ALL__=2");
|
cpp_define (pfile, "__SSP_ALL__=2");
|
else if (flag_stack_protect == 1)
|
else if (flag_stack_protect == 1)
|
cpp_define (pfile, "__SSP__=1");
|
cpp_define (pfile, "__SSP__=1");
|
|
|
if (flag_openmp)
|
if (flag_openmp)
|
cpp_define (pfile, "_OPENMP=201107");
|
cpp_define (pfile, "_OPENMP=201107");
|
|
|
if (int128_integer_type_node != NULL_TREE)
|
if (int128_integer_type_node != NULL_TREE)
|
builtin_define_type_sizeof ("__SIZEOF_INT128__",
|
builtin_define_type_sizeof ("__SIZEOF_INT128__",
|
int128_integer_type_node);
|
int128_integer_type_node);
|
builtin_define_type_sizeof ("__SIZEOF_WCHAR_T__", wchar_type_node);
|
builtin_define_type_sizeof ("__SIZEOF_WCHAR_T__", wchar_type_node);
|
builtin_define_type_sizeof ("__SIZEOF_WINT_T__", wint_type_node);
|
builtin_define_type_sizeof ("__SIZEOF_WINT_T__", wint_type_node);
|
builtin_define_type_sizeof ("__SIZEOF_PTRDIFF_T__",
|
builtin_define_type_sizeof ("__SIZEOF_PTRDIFF_T__",
|
unsigned_ptrdiff_type_node);
|
unsigned_ptrdiff_type_node);
|
|
|
/* A straightforward target hook doesn't work, because of problems
|
/* A straightforward target hook doesn't work, because of problems
|
linking that hook's body when part of non-C front ends. */
|
linking that hook's body when part of non-C front ends. */
|
# define preprocessing_asm_p() (cpp_get_options (pfile)->lang == CLK_ASM)
|
# define preprocessing_asm_p() (cpp_get_options (pfile)->lang == CLK_ASM)
|
# define preprocessing_trad_p() (cpp_get_options (pfile)->traditional)
|
# define preprocessing_trad_p() (cpp_get_options (pfile)->traditional)
|
# define builtin_define(TXT) cpp_define (pfile, TXT)
|
# define builtin_define(TXT) cpp_define (pfile, TXT)
|
# define builtin_assert(TXT) cpp_assert (pfile, TXT)
|
# define builtin_assert(TXT) cpp_assert (pfile, TXT)
|
TARGET_CPU_CPP_BUILTINS ();
|
TARGET_CPU_CPP_BUILTINS ();
|
TARGET_OS_CPP_BUILTINS ();
|
TARGET_OS_CPP_BUILTINS ();
|
TARGET_OBJFMT_CPP_BUILTINS ();
|
TARGET_OBJFMT_CPP_BUILTINS ();
|
|
|
/* Support the __declspec keyword by turning them into attributes.
|
/* Support the __declspec keyword by turning them into attributes.
|
Note that the current way we do this may result in a collision
|
Note that the current way we do this may result in a collision
|
with predefined attributes later on. This can be solved by using
|
with predefined attributes later on. This can be solved by using
|
one attribute, say __declspec__, and passing args to it. The
|
one attribute, say __declspec__, and passing args to it. The
|
problem with that approach is that args are not accumulated: each
|
problem with that approach is that args are not accumulated: each
|
new appearance would clobber any existing args. */
|
new appearance would clobber any existing args. */
|
if (TARGET_DECLSPEC)
|
if (TARGET_DECLSPEC)
|
builtin_define ("__declspec(x)=__attribute__((x))");
|
builtin_define ("__declspec(x)=__attribute__((x))");
|
|
|
/* If decimal floating point is supported, tell the user if the
|
/* If decimal floating point is supported, tell the user if the
|
alternate format (BID) is used instead of the standard (DPD)
|
alternate format (BID) is used instead of the standard (DPD)
|
format. */
|
format. */
|
if (ENABLE_DECIMAL_FLOAT && ENABLE_DECIMAL_BID_FORMAT)
|
if (ENABLE_DECIMAL_FLOAT && ENABLE_DECIMAL_BID_FORMAT)
|
cpp_define (pfile, "__DECIMAL_BID_FORMAT__");
|
cpp_define (pfile, "__DECIMAL_BID_FORMAT__");
|
}
|
}
|
|
|
/* Pass an object-like macro. If it doesn't lie in the user's
|
/* Pass an object-like macro. If it doesn't lie in the user's
|
namespace, defines it unconditionally. Otherwise define a version
|
namespace, defines it unconditionally. Otherwise define a version
|
with two leading underscores, and another version with two leading
|
with two leading underscores, and another version with two leading
|
and trailing underscores, and define the original only if an ISO
|
and trailing underscores, and define the original only if an ISO
|
standard was not nominated.
|
standard was not nominated.
|
|
|
e.g. passing "unix" defines "__unix", "__unix__" and possibly
|
e.g. passing "unix" defines "__unix", "__unix__" and possibly
|
"unix". Passing "_mips" defines "__mips", "__mips__" and possibly
|
"unix". Passing "_mips" defines "__mips", "__mips__" and possibly
|
"_mips". */
|
"_mips". */
|
void
|
void
|
builtin_define_std (const char *macro)
|
builtin_define_std (const char *macro)
|
{
|
{
|
size_t len = strlen (macro);
|
size_t len = strlen (macro);
|
char *buff = (char *) alloca (len + 5);
|
char *buff = (char *) alloca (len + 5);
|
char *p = buff + 2;
|
char *p = buff + 2;
|
char *q = p + len;
|
char *q = p + len;
|
|
|
/* prepend __ (or maybe just _) if in user's namespace. */
|
/* prepend __ (or maybe just _) if in user's namespace. */
|
memcpy (p, macro, len + 1);
|
memcpy (p, macro, len + 1);
|
if (!( *p == '_' && (p[1] == '_' || ISUPPER (p[1]))))
|
if (!( *p == '_' && (p[1] == '_' || ISUPPER (p[1]))))
|
{
|
{
|
if (*p != '_')
|
if (*p != '_')
|
*--p = '_';
|
*--p = '_';
|
if (p[1] != '_')
|
if (p[1] != '_')
|
*--p = '_';
|
*--p = '_';
|
}
|
}
|
cpp_define (parse_in, p);
|
cpp_define (parse_in, p);
|
|
|
/* If it was in user's namespace... */
|
/* If it was in user's namespace... */
|
if (p != buff + 2)
|
if (p != buff + 2)
|
{
|
{
|
/* Define the macro with leading and following __. */
|
/* Define the macro with leading and following __. */
|
if (q[-1] != '_')
|
if (q[-1] != '_')
|
*q++ = '_';
|
*q++ = '_';
|
if (q[-2] != '_')
|
if (q[-2] != '_')
|
*q++ = '_';
|
*q++ = '_';
|
*q = '\0';
|
*q = '\0';
|
cpp_define (parse_in, p);
|
cpp_define (parse_in, p);
|
|
|
/* Finally, define the original macro if permitted. */
|
/* Finally, define the original macro if permitted. */
|
if (!flag_iso)
|
if (!flag_iso)
|
cpp_define (parse_in, macro);
|
cpp_define (parse_in, macro);
|
}
|
}
|
}
|
}
|
|
|
/* Pass an object-like macro and a value to define it to. The third
|
/* Pass an object-like macro and a value to define it to. The third
|
parameter says whether or not to turn the value into a string
|
parameter says whether or not to turn the value into a string
|
constant. */
|
constant. */
|
void
|
void
|
builtin_define_with_value (const char *macro, const char *expansion, int is_str)
|
builtin_define_with_value (const char *macro, const char *expansion, int is_str)
|
{
|
{
|
char *buf;
|
char *buf;
|
size_t mlen = strlen (macro);
|
size_t mlen = strlen (macro);
|
size_t elen = strlen (expansion);
|
size_t elen = strlen (expansion);
|
size_t extra = 2; /* space for an = and a NUL */
|
size_t extra = 2; /* space for an = and a NUL */
|
|
|
if (is_str)
|
if (is_str)
|
extra += 2; /* space for two quote marks */
|
extra += 2; /* space for two quote marks */
|
|
|
buf = (char *) alloca (mlen + elen + extra);
|
buf = (char *) alloca (mlen + elen + extra);
|
if (is_str)
|
if (is_str)
|
sprintf (buf, "%s=\"%s\"", macro, expansion);
|
sprintf (buf, "%s=\"%s\"", macro, expansion);
|
else
|
else
|
sprintf (buf, "%s=%s", macro, expansion);
|
sprintf (buf, "%s=%s", macro, expansion);
|
|
|
cpp_define (parse_in, buf);
|
cpp_define (parse_in, buf);
|
}
|
}
|
|
|
|
|
/* Pass an object-like macro and an integer value to define it to. */
|
/* Pass an object-like macro and an integer value to define it to. */
|
static void
|
static void
|
builtin_define_with_int_value (const char *macro, HOST_WIDE_INT value)
|
builtin_define_with_int_value (const char *macro, HOST_WIDE_INT value)
|
{
|
{
|
char *buf;
|
char *buf;
|
size_t mlen = strlen (macro);
|
size_t mlen = strlen (macro);
|
size_t vlen = 18;
|
size_t vlen = 18;
|
size_t extra = 2; /* space for = and NUL. */
|
size_t extra = 2; /* space for = and NUL. */
|
|
|
buf = (char *) alloca (mlen + vlen + extra);
|
buf = (char *) alloca (mlen + vlen + extra);
|
memcpy (buf, macro, mlen);
|
memcpy (buf, macro, mlen);
|
buf[mlen] = '=';
|
buf[mlen] = '=';
|
sprintf (buf + mlen + 1, HOST_WIDE_INT_PRINT_DEC, value);
|
sprintf (buf + mlen + 1, HOST_WIDE_INT_PRINT_DEC, value);
|
|
|
cpp_define (parse_in, buf);
|
cpp_define (parse_in, buf);
|
}
|
}
|
|
|
/* builtin_define_with_hex_fp_value is very expensive, so the following
|
/* builtin_define_with_hex_fp_value is very expensive, so the following
|
array and function allows it to be done lazily when __DBL_MAX__
|
array and function allows it to be done lazily when __DBL_MAX__
|
etc. is first used. */
|
etc. is first used. */
|
|
|
struct GTY(()) lazy_hex_fp_value_struct
|
struct GTY(()) lazy_hex_fp_value_struct
|
{
|
{
|
const char *hex_str;
|
const char *hex_str;
|
cpp_macro *macro;
|
cpp_macro *macro;
|
enum machine_mode mode;
|
enum machine_mode mode;
|
int digits;
|
int digits;
|
const char *fp_suffix;
|
const char *fp_suffix;
|
};
|
};
|
static GTY(()) struct lazy_hex_fp_value_struct lazy_hex_fp_values[12];
|
static GTY(()) struct lazy_hex_fp_value_struct lazy_hex_fp_values[12];
|
static GTY(()) int lazy_hex_fp_value_count;
|
static GTY(()) int lazy_hex_fp_value_count;
|
|
|
static bool
|
static bool
|
lazy_hex_fp_value (cpp_reader *pfile ATTRIBUTE_UNUSED,
|
lazy_hex_fp_value (cpp_reader *pfile ATTRIBUTE_UNUSED,
|
cpp_hashnode *node)
|
cpp_hashnode *node)
|
{
|
{
|
REAL_VALUE_TYPE real;
|
REAL_VALUE_TYPE real;
|
char dec_str[64], buf1[256];
|
char dec_str[64], buf1[256];
|
unsigned int idx;
|
unsigned int idx;
|
if (node->value.builtin < BT_FIRST_USER
|
if (node->value.builtin < BT_FIRST_USER
|
|| (int) node->value.builtin >= BT_FIRST_USER + lazy_hex_fp_value_count)
|
|| (int) node->value.builtin >= BT_FIRST_USER + lazy_hex_fp_value_count)
|
return false;
|
return false;
|
|
|
idx = node->value.builtin - BT_FIRST_USER;
|
idx = node->value.builtin - BT_FIRST_USER;
|
real_from_string (&real, lazy_hex_fp_values[idx].hex_str);
|
real_from_string (&real, lazy_hex_fp_values[idx].hex_str);
|
real_to_decimal_for_mode (dec_str, &real, sizeof (dec_str),
|
real_to_decimal_for_mode (dec_str, &real, sizeof (dec_str),
|
lazy_hex_fp_values[idx].digits, 0,
|
lazy_hex_fp_values[idx].digits, 0,
|
lazy_hex_fp_values[idx].mode);
|
lazy_hex_fp_values[idx].mode);
|
|
|
sprintf (buf1, "%s%s", dec_str, lazy_hex_fp_values[idx].fp_suffix);
|
sprintf (buf1, "%s%s", dec_str, lazy_hex_fp_values[idx].fp_suffix);
|
node->flags &= ~(NODE_BUILTIN | NODE_USED);
|
node->flags &= ~(NODE_BUILTIN | NODE_USED);
|
node->value.macro = lazy_hex_fp_values[idx].macro;
|
node->value.macro = lazy_hex_fp_values[idx].macro;
|
for (idx = 0; idx < node->value.macro->count; idx++)
|
for (idx = 0; idx < node->value.macro->count; idx++)
|
if (node->value.macro->exp.tokens[idx].type == CPP_NUMBER)
|
if (node->value.macro->exp.tokens[idx].type == CPP_NUMBER)
|
break;
|
break;
|
gcc_assert (idx < node->value.macro->count);
|
gcc_assert (idx < node->value.macro->count);
|
node->value.macro->exp.tokens[idx].val.str.len = strlen (buf1);
|
node->value.macro->exp.tokens[idx].val.str.len = strlen (buf1);
|
node->value.macro->exp.tokens[idx].val.str.text
|
node->value.macro->exp.tokens[idx].val.str.text
|
= (const unsigned char *) ggc_strdup (buf1);
|
= (const unsigned char *) ggc_strdup (buf1);
|
return true;
|
return true;
|
}
|
}
|
|
|
/* Pass an object-like macro a hexadecimal floating-point value. */
|
/* Pass an object-like macro a hexadecimal floating-point value. */
|
static void
|
static void
|
builtin_define_with_hex_fp_value (const char *macro,
|
builtin_define_with_hex_fp_value (const char *macro,
|
tree type, int digits,
|
tree type, int digits,
|
const char *hex_str,
|
const char *hex_str,
|
const char *fp_suffix,
|
const char *fp_suffix,
|
const char *fp_cast)
|
const char *fp_cast)
|
{
|
{
|
REAL_VALUE_TYPE real;
|
REAL_VALUE_TYPE real;
|
char dec_str[64], buf1[256], buf2[256];
|
char dec_str[64], buf1[256], buf2[256];
|
|
|
/* This is very expensive, so if possible expand them lazily. */
|
/* This is very expensive, so if possible expand them lazily. */
|
if (lazy_hex_fp_value_count < 12
|
if (lazy_hex_fp_value_count < 12
|
&& flag_dump_macros == 0
|
&& flag_dump_macros == 0
|
&& !cpp_get_options (parse_in)->traditional)
|
&& !cpp_get_options (parse_in)->traditional)
|
{
|
{
|
struct cpp_hashnode *node;
|
struct cpp_hashnode *node;
|
if (lazy_hex_fp_value_count == 0)
|
if (lazy_hex_fp_value_count == 0)
|
cpp_get_callbacks (parse_in)->user_builtin_macro = lazy_hex_fp_value;
|
cpp_get_callbacks (parse_in)->user_builtin_macro = lazy_hex_fp_value;
|
sprintf (buf2, fp_cast, "1.1");
|
sprintf (buf2, fp_cast, "1.1");
|
sprintf (buf1, "%s=%s", macro, buf2);
|
sprintf (buf1, "%s=%s", macro, buf2);
|
cpp_define (parse_in, buf1);
|
cpp_define (parse_in, buf1);
|
node = C_CPP_HASHNODE (get_identifier (macro));
|
node = C_CPP_HASHNODE (get_identifier (macro));
|
lazy_hex_fp_values[lazy_hex_fp_value_count].hex_str
|
lazy_hex_fp_values[lazy_hex_fp_value_count].hex_str
|
= ggc_strdup (hex_str);
|
= ggc_strdup (hex_str);
|
lazy_hex_fp_values[lazy_hex_fp_value_count].mode = TYPE_MODE (type);
|
lazy_hex_fp_values[lazy_hex_fp_value_count].mode = TYPE_MODE (type);
|
lazy_hex_fp_values[lazy_hex_fp_value_count].digits = digits;
|
lazy_hex_fp_values[lazy_hex_fp_value_count].digits = digits;
|
lazy_hex_fp_values[lazy_hex_fp_value_count].fp_suffix = fp_suffix;
|
lazy_hex_fp_values[lazy_hex_fp_value_count].fp_suffix = fp_suffix;
|
lazy_hex_fp_values[lazy_hex_fp_value_count].macro = node->value.macro;
|
lazy_hex_fp_values[lazy_hex_fp_value_count].macro = node->value.macro;
|
node->flags |= NODE_BUILTIN;
|
node->flags |= NODE_BUILTIN;
|
node->value.builtin
|
node->value.builtin
|
= (enum cpp_builtin_type) (BT_FIRST_USER + lazy_hex_fp_value_count);
|
= (enum cpp_builtin_type) (BT_FIRST_USER + lazy_hex_fp_value_count);
|
lazy_hex_fp_value_count++;
|
lazy_hex_fp_value_count++;
|
return;
|
return;
|
}
|
}
|
|
|
/* Hex values are really cool and convenient, except that they're
|
/* Hex values are really cool and convenient, except that they're
|
not supported in strict ISO C90 mode. First, the "p-" sequence
|
not supported in strict ISO C90 mode. First, the "p-" sequence
|
is not valid as part of a preprocessor number. Second, we get a
|
is not valid as part of a preprocessor number. Second, we get a
|
pedwarn from the preprocessor, which has no context, so we can't
|
pedwarn from the preprocessor, which has no context, so we can't
|
suppress the warning with __extension__.
|
suppress the warning with __extension__.
|
|
|
So instead what we do is construct the number in hex (because
|
So instead what we do is construct the number in hex (because
|
it's easy to get the exact correct value), parse it as a real,
|
it's easy to get the exact correct value), parse it as a real,
|
then print it back out as decimal. */
|
then print it back out as decimal. */
|
|
|
real_from_string (&real, hex_str);
|
real_from_string (&real, hex_str);
|
real_to_decimal_for_mode (dec_str, &real, sizeof (dec_str), digits, 0,
|
real_to_decimal_for_mode (dec_str, &real, sizeof (dec_str), digits, 0,
|
TYPE_MODE (type));
|
TYPE_MODE (type));
|
|
|
/* Assemble the macro in the following fashion
|
/* Assemble the macro in the following fashion
|
macro = fp_cast [dec_str fp_suffix] */
|
macro = fp_cast [dec_str fp_suffix] */
|
sprintf (buf1, "%s%s", dec_str, fp_suffix);
|
sprintf (buf1, "%s%s", dec_str, fp_suffix);
|
sprintf (buf2, fp_cast, buf1);
|
sprintf (buf2, fp_cast, buf1);
|
sprintf (buf1, "%s=%s", macro, buf2);
|
sprintf (buf1, "%s=%s", macro, buf2);
|
|
|
cpp_define (parse_in, buf1);
|
cpp_define (parse_in, buf1);
|
}
|
}
|
|
|
/* Return a string constant for the suffix for a value of type TYPE
|
/* Return a string constant for the suffix for a value of type TYPE
|
promoted according to the integer promotions. The type must be one
|
promoted according to the integer promotions. The type must be one
|
of the standard integer type nodes. */
|
of the standard integer type nodes. */
|
|
|
static const char *
|
static const char *
|
type_suffix (tree type)
|
type_suffix (tree type)
|
{
|
{
|
static const char *const suffixes[] = { "", "U", "L", "UL", "LL", "ULL" };
|
static const char *const suffixes[] = { "", "U", "L", "UL", "LL", "ULL" };
|
int unsigned_suffix;
|
int unsigned_suffix;
|
int is_long;
|
int is_long;
|
|
|
if (type == long_long_integer_type_node
|
if (type == long_long_integer_type_node
|
|| type == long_long_unsigned_type_node)
|
|| type == long_long_unsigned_type_node)
|
is_long = 2;
|
is_long = 2;
|
else if (type == long_integer_type_node
|
else if (type == long_integer_type_node
|
|| type == long_unsigned_type_node)
|
|| type == long_unsigned_type_node)
|
is_long = 1;
|
is_long = 1;
|
else if (type == integer_type_node
|
else if (type == integer_type_node
|
|| type == unsigned_type_node
|
|| type == unsigned_type_node
|
|| type == short_integer_type_node
|
|| type == short_integer_type_node
|
|| type == short_unsigned_type_node
|
|| type == short_unsigned_type_node
|
|| type == signed_char_type_node
|
|| type == signed_char_type_node
|
|| type == unsigned_char_type_node
|
|| type == unsigned_char_type_node
|
/* ??? "char" is not a signed or unsigned integer type and
|
/* ??? "char" is not a signed or unsigned integer type and
|
so is not permitted for the standard typedefs, but some
|
so is not permitted for the standard typedefs, but some
|
systems use it anyway. */
|
systems use it anyway. */
|
|| type == char_type_node)
|
|| type == char_type_node)
|
is_long = 0;
|
is_long = 0;
|
else
|
else
|
gcc_unreachable ();
|
gcc_unreachable ();
|
|
|
unsigned_suffix = TYPE_UNSIGNED (type);
|
unsigned_suffix = TYPE_UNSIGNED (type);
|
if (TYPE_PRECISION (type) < TYPE_PRECISION (integer_type_node))
|
if (TYPE_PRECISION (type) < TYPE_PRECISION (integer_type_node))
|
unsigned_suffix = 0;
|
unsigned_suffix = 0;
|
return suffixes[is_long * 2 + unsigned_suffix];
|
return suffixes[is_long * 2 + unsigned_suffix];
|
}
|
}
|
|
|
/* Define MACRO as a <stdint.h> constant-suffix macro for TYPE. */
|
/* Define MACRO as a <stdint.h> constant-suffix macro for TYPE. */
|
static void
|
static void
|
builtin_define_constants (const char *macro, tree type)
|
builtin_define_constants (const char *macro, tree type)
|
{
|
{
|
const char *suffix;
|
const char *suffix;
|
char *buf;
|
char *buf;
|
|
|
suffix = type_suffix (type);
|
suffix = type_suffix (type);
|
|
|
if (suffix[0] == 0)
|
if (suffix[0] == 0)
|
{
|
{
|
buf = (char *) alloca (strlen (macro) + 6);
|
buf = (char *) alloca (strlen (macro) + 6);
|
sprintf (buf, "%s(c)=c", macro);
|
sprintf (buf, "%s(c)=c", macro);
|
}
|
}
|
else
|
else
|
{
|
{
|
buf = (char *) alloca (strlen (macro) + 9 + strlen (suffix) + 1);
|
buf = (char *) alloca (strlen (macro) + 9 + strlen (suffix) + 1);
|
sprintf (buf, "%s(c)=c ## %s", macro, suffix);
|
sprintf (buf, "%s(c)=c ## %s", macro, suffix);
|
}
|
}
|
|
|
cpp_define (parse_in, buf);
|
cpp_define (parse_in, buf);
|
}
|
}
|
|
|
/* Define MAX for TYPE based on the precision of the type. */
|
/* Define MAX for TYPE based on the precision of the type. */
|
|
|
static void
|
static void
|
builtin_define_type_max (const char *macro, tree type)
|
builtin_define_type_max (const char *macro, tree type)
|
{
|
{
|
builtin_define_type_minmax (NULL, macro, type);
|
builtin_define_type_minmax (NULL, macro, type);
|
}
|
}
|
|
|
/* Define MIN_MACRO (if not NULL) and MAX_MACRO for TYPE based on the
|
/* Define MIN_MACRO (if not NULL) and MAX_MACRO for TYPE based on the
|
precision of the type. */
|
precision of the type. */
|
|
|
static void
|
static void
|
builtin_define_type_minmax (const char *min_macro, const char *max_macro,
|
builtin_define_type_minmax (const char *min_macro, const char *max_macro,
|
tree type)
|
tree type)
|
{
|
{
|
static const char *const values[]
|
static const char *const values[]
|
= { "127", "255",
|
= { "127", "255",
|
"32767", "65535",
|
"32767", "65535",
|
"2147483647", "4294967295",
|
"2147483647", "4294967295",
|
"9223372036854775807", "18446744073709551615",
|
"9223372036854775807", "18446744073709551615",
|
"170141183460469231731687303715884105727",
|
"170141183460469231731687303715884105727",
|
"340282366920938463463374607431768211455" };
|
"340282366920938463463374607431768211455" };
|
|
|
const char *value, *suffix;
|
const char *value, *suffix;
|
char *buf;
|
char *buf;
|
size_t idx;
|
size_t idx;
|
|
|
/* Pre-rendering the values mean we don't have to futz with printing a
|
/* Pre-rendering the values mean we don't have to futz with printing a
|
multi-word decimal value. There are also a very limited number of
|
multi-word decimal value. There are also a very limited number of
|
precisions that we support, so it's really a waste of time. */
|
precisions that we support, so it's really a waste of time. */
|
switch (TYPE_PRECISION (type))
|
switch (TYPE_PRECISION (type))
|
{
|
{
|
case 8: idx = 0; break;
|
case 8: idx = 0; break;
|
case 16: idx = 2; break;
|
case 16: idx = 2; break;
|
case 32: idx = 4; break;
|
case 32: idx = 4; break;
|
case 64: idx = 6; break;
|
case 64: idx = 6; break;
|
case 128: idx = 8; break;
|
case 128: idx = 8; break;
|
default: gcc_unreachable ();
|
default: gcc_unreachable ();
|
}
|
}
|
|
|
value = values[idx + TYPE_UNSIGNED (type)];
|
value = values[idx + TYPE_UNSIGNED (type)];
|
suffix = type_suffix (type);
|
suffix = type_suffix (type);
|
|
|
buf = (char *) alloca (strlen (max_macro) + 1 + strlen (value)
|
buf = (char *) alloca (strlen (max_macro) + 1 + strlen (value)
|
+ strlen (suffix) + 1);
|
+ strlen (suffix) + 1);
|
sprintf (buf, "%s=%s%s", max_macro, value, suffix);
|
sprintf (buf, "%s=%s%s", max_macro, value, suffix);
|
|
|
cpp_define (parse_in, buf);
|
cpp_define (parse_in, buf);
|
|
|
if (min_macro)
|
if (min_macro)
|
{
|
{
|
if (TYPE_UNSIGNED (type))
|
if (TYPE_UNSIGNED (type))
|
{
|
{
|
buf = (char *) alloca (strlen (min_macro) + 2 + strlen (suffix) + 1);
|
buf = (char *) alloca (strlen (min_macro) + 2 + strlen (suffix) + 1);
|
sprintf (buf, "%s=0%s", min_macro, suffix);
|
sprintf (buf, "%s=0%s", min_macro, suffix);
|
}
|
}
|
else
|
else
|
{
|
{
|
buf = (char *) alloca (strlen (min_macro) + 3
|
buf = (char *) alloca (strlen (min_macro) + 3
|
+ strlen (max_macro) + 6);
|
+ strlen (max_macro) + 6);
|
sprintf (buf, "%s=(-%s - 1)", min_macro, max_macro);
|
sprintf (buf, "%s=(-%s - 1)", min_macro, max_macro);
|
}
|
}
|
cpp_define (parse_in, buf);
|
cpp_define (parse_in, buf);
|
}
|
}
|
}
|
}
|
|
|
#include "gt-c-family-c-cppbuiltin.h"
|
#include "gt-c-family-c-cppbuiltin.h"
|
|
|
