(SUBTARGET_CC1_SPEC): Define.

[pf3gnuchains/gcc-fork.git] / gcc / caller-save.c

diff --git a/gcc/caller-save.c b/gcc/caller-save.c
index ee7b6ca..ea5923d 100644 (file)
--- a/gcc/caller-save.c
+++ b/gcc/caller-save.c
@@ -1,5 +1,5 @@
 /* Save and restore call-clobbered registers which are live across a call.
-   Copyright (C) 1989, 1992, 1994, 1995 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1992, 1994, 1995, 1997 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -15,7 +15,8 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
 
 #include "config.h"
 #include "rtl.h"
@@ -181,7 +182,8 @@ init_caller_save ()
          reg_save_code[i][j] = recog_memoized (saveinsn);
          reg_restore_code[i][j] = recog_memoized (restinsn);
 
-         /* Now extract both insns and see if we can meet their constraints. */
+         /* Now extract both insns and see if we can meet their
+             constraints.  */
          ok = (reg_save_code[i][j] != -1 && reg_restore_code[i][j] != -1);
          if (ok)
            {
@@ -306,7 +308,7 @@ setup_save_areas (pchanged)
              ok &= (TEST_HARD_REG_BIT (hard_regs_used, regno) != 0);
            }
 
-       /* We have found an acceptable mode to store in. */
+       /* We have found an acceptable mode to store in.  */
        if (ok)
          {
 
@@ -314,7 +316,7 @@ setup_save_areas (pchanged)
              = assign_stack_local (regno_save_mode[i][j],
                                    GET_MODE_SIZE (regno_save_mode[i][j]), 0);
 
-           /* Setup single word save area just in case... */
+           /* Setup single word save area just in case...  */
            for (k = 0; k < j; k++)
              {
                /* This should not depend on WORDS_BIG_ENDIAN.
@@ -333,7 +335,7 @@ setup_save_areas (pchanged)
     for (j = 1; j <= MOVE_MAX / UNITS_PER_WORD; j++)
       if (regno_save_mem[i][j] != 0)
        ok &= strict_memory_address_p (GET_MODE (regno_save_mem[i][j]),
-                                      XEXP (eliminate_regs (regno_save_mem[i][j], 0, NULL_RTX), 0));
+                                      XEXP (eliminate_regs (regno_save_mem[i][j], 0, NULL_RTX, 1), 0));
 
   return ok;
 }
@@ -472,7 +474,14 @@ save_call_clobbered_regs (insn_mode)
                      n_regs_saved++;
                }
              else
-               note_stores (PATTERN (insn), set_reg_live);
+               {
+                 note_stores (PATTERN (insn), set_reg_live);
+#ifdef AUTO_INC_DEC
+                 for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
+                   if (REG_NOTE_KIND (link) == REG_INC)
+                     set_reg_live (XEXP (link, 0), NULL_RTX);
+#endif
+               }
 
              for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
                if (REG_NOTE_KIND (link) == REG_UNUSED)