1 files changed, 128 insertions, 0 deletions
diff --git a/contrib/gcc/config/rs6000/rs6000-c.c b/contrib/gcc/config/rs6000/rs6000-c.c
new file mode 100644
index 0000000..03f91ba
--- /dev/null
+++ b/contrib/gcc/config/rs6000/rs6000-c.c
@@ -0,0 +1,128 @@
+/* Subroutines for the C front end on the POWER and PowerPC architectures.
+   Copyright (C) 2002
+   Free Software Foundation, Inc.
+
+   Contributed by Zack Weinberg <zack@codesourcery.com>
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "system.h"
+#include "cpplib.h"
+#include "tree.h"
+#include "c-pragma.h"
+#include "errors.h"
+#include "tm_p.h"
+
+/* Handle the machine specific pragma longcall.  Its syntax is
+
+   # pragma longcall ( TOGGLE )
+
+   where TOGGLE is either 0 or 1.
+
+   rs6000_default_long_calls is set to the value of TOGGLE, changing
+   whether or not new function declarations receive a longcall
+   attribute by default.  */
+
+#define SYNTAX_ERROR(msgid) do {					\
+  warning (msgid);					\
+  warning ("ignoring malformed #pragma longcall");	\
+  return;						\
+} while (0)
+
+void
+rs6000_pragma_longcall (pfile)
+     cpp_reader *pfile ATTRIBUTE_UNUSED;
+{
+  tree x, n;
+
+  /* If we get here, generic code has already scanned the directive
+     leader and the word "longcall".  */
+
+  if (c_lex (&x) != CPP_OPEN_PAREN)
+    SYNTAX_ERROR ("missing open paren");
+  if (c_lex (&n) != CPP_NUMBER)
+    SYNTAX_ERROR ("missing number");
+  if (c_lex (&x) != CPP_CLOSE_PAREN)
+    SYNTAX_ERROR ("missing close paren");
+
+  if (n != integer_zero_node && n != integer_one_node)
+    SYNTAX_ERROR ("number must be 0 or 1");
+
+  if (c_lex (&x) != CPP_EOF)
+    warning ("junk at end of #pragma longcall");
+
+  rs6000_default_long_calls = (n == integer_one_node);
+}
+
+/* Handle defining many CPP flags based on TARGET_xxx.  As a general
+   policy, rather than trying to guess what flags a user might want a
+   #define for, it's better to define a flag for everything.  */
+
+#define builtin_define(TXT) cpp_define (pfile, TXT)
+#define builtin_assert(TXT) cpp_assert (pfile, TXT)
+
+void
+rs6000_cpu_cpp_builtins (pfile)
+     cpp_reader *pfile;
+{
+  if (TARGET_POWER2)
+    builtin_define ("_ARCH_PWR2");
+  else if (TARGET_POWER)
+    builtin_define ("_ARCH_PWR");
+  if (TARGET_POWERPC)
+    builtin_define ("_ARCH_PPC");
+  if (TARGET_POWERPC64)
+    builtin_define ("_ARCH_PPC64");
+  if (! TARGET_POWER && ! TARGET_POWER2 && ! TARGET_POWERPC)
+    builtin_define ("_ARCH_COM");
+  if (TARGET_ALTIVEC)
+    builtin_define ("__ALTIVEC__");
+  if (TARGET_SPE)
+    builtin_define ("__SPE__");
+  if (TARGET_SOFT_FLOAT)
+    builtin_define ("_SOFT_FLOAT");
+  /* Used by lwarx/stwcx. errata work-around.  */
+  if (rs6000_cpu == PROCESSOR_PPC405)
+    builtin_define ("__PPC405__");
+
+  /* May be overridden by target configuration.  */
+  RS6000_CPU_CPP_ENDIAN_BUILTINS();
+
+  if (TARGET_LONG_DOUBLE_128)
+    builtin_define ("__LONG_DOUBLE_128__");
+
+  switch (rs6000_current_abi)
+    {
+    case ABI_V4:
+      builtin_define ("_CALL_SYSV");
+      break;
+    case ABI_AIX_NODESC:
+      builtin_define ("_CALL_AIX");
+      break;
+    case ABI_AIX:
+      builtin_define ("_CALL_AIXDESC");
+      builtin_define ("_CALL_AIX");
+      break;
+    case ABI_DARWIN:
+      builtin_define ("_CALL_DARWIN");
+      break;
+    default:
+      break;
+    }
+}