rs6000.h (ARG_POINTER_CFA_OFFSET): New definition...

* config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
try to protect against middle-end changes that break binary
compatibility.
(DWARF_FRAME_REGISTERS): New definition, likewise for backend.

From-SVN: r32719

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d4128b0c5842ea38b601e2cc565e992911d3fb48..cad6cdee5eb432fe9ce858ee7f87aac6849d9a48 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2000-03-23  Geoff Keating  <geoffk@cygnus.com>
+
+       * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
+       try to protect against middle-end changes that break binary
+       compatibility.
+       (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
+
 2000-03-24  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
 
        * config/c4x/c4x.md (load_immed_address):  Add DP reg clobber.

diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h
index 9d3babde256c297f7abe430534e874175ce0525f..dc872f17ebfc66f1b9afa5d448a324f73d4cd017 100644 (file)
--- a/gcc/config/rs6000/rs6000.h
+++ b/gcc/config/rs6000/rs6000.h
@@ -2672,6 +2672,11 @@ do {                                                                     \
 #define INCOMING_RETURN_ADDR_RTX   gen_rtx_REG (Pmode, LINK_REGISTER_REGNUM)
 #define DWARF_FRAME_RETURN_COLUMN  DWARF_FRAME_REGNUM (LINK_REGISTER_REGNUM)
 
+/* These values are set like this for backwards compatibility,
+   and can't be changed no matter how wrong they are :-(.  */
+#define DWARF_FRAME_REGISTERS 77
+#define ARG_POINTER_CFA_OFFSET(FNDECL) 0
+
 /* Define results of standard character escape sequences.  */
 #define TARGET_BELL 007
 #define TARGET_BS 010