Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 64 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/config/pa/pa64-linux.h b/gcc-4.9/gcc/config/pa/pa64-linux.h
new file mode 100644
index 000000000..0b0d51ef8
--- /dev/null
+++ b/gcc-4.9/gcc/config/pa/pa64-linux.h
@@ -0,0 +1,64 @@
+/* Definitions for PA_RISC with ELF format on 64-bit Linux
+   Copyright (C) 1999-2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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 3, or (at your option)
+any later version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#if 0 /* needs some work :-( */
+/* If defined, this macro specifies a table of register pairs used to
+   eliminate unneeded registers that point into the stack frame.  */
+
+#define ELIMINABLE_REGS							\
+{									\
+  {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 STACK_POINTER_REGNUM},				\
+  {ARG_POINTER_REGNUM,	 FRAME_POINTER_REGNUM},				\
+}
+
+/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'.  It
+   specifies the initial difference between the specified pair of
+   registers.  This macro must be defined if `ELIMINABLE_REGS' is
+   defined.  */
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+  do								\
+    {								\
+      int fsize;						\
+								\
+      fsize = pa_compute_frame_size (get_frame_size (), 0);	\
+      if ((TO) == FRAME_POINTER_REGNUM				\
+	  && (FROM) == ARG_POINTER_REGNUM)			\
+	{							\
+	  (OFFSET) = -16;					\
+	  break;						\
+	}							\
+								\
+      gcc_assert ((TO) == STACK_POINTER_REGNUM);		\
+								\
+      switch (FROM)						\
+	{							\
+	case FRAME_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize;					\
+	  break;						\
+								\
+	case ARG_POINTER_REGNUM:				\
+	  (OFFSET) = - fsize - 16;				\
+	  break;						\
+								\
+	default:						\
+	  gcc_unreachable ();					\
+	}							\
+    } while (0)
+#endif