2005-10-17 Paul Thomas <pault@gcc.gnu.org>

[pf3gnuchains/gcc-fork.git] / gcc / reload.c

diff --git a/gcc/reload.c b/gcc/reload.c
index fe4b3ac..e55bf34 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -16,8 +16,8 @@ for more details.
 
 You should have received a copy of the GNU General Public License
 along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 /* This file contains subroutines used only from the file reload1.c.
    It knows how to scan one insn for operands and values
@@ -2208,20 +2208,30 @@ operands_match_p (rtx x, rtx y)
 
  slow:
 
-  /* Now we have disposed of all the cases
-     in which different rtx codes can match.  */
+  /* Now we have disposed of all the cases in which different rtx codes
+     can match.  */
   if (code != GET_CODE (y))
     return 0;
-  if (code == LABEL_REF)
-    return XEXP (x, 0) == XEXP (y, 0);
-  if (code == SYMBOL_REF)
-    return XSTR (x, 0) == XSTR (y, 0);
 
   /* (MULT:SI x y) and (MULT:HI x y) are NOT equivalent.  */
-
   if (GET_MODE (x) != GET_MODE (y))
     return 0;
 
+  switch (code)
+    {
+    case CONST_INT:
+    case CONST_DOUBLE:
+      return 0;
+
+    case LABEL_REF:
+      return XEXP (x, 0) == XEXP (y, 0);
+    case SYMBOL_REF:
+      return XSTR (x, 0) == XSTR (y, 0);
+
+    default:
+      break;
+    }
+
   /* Compare the elements.  If any pair of corresponding elements
      fail to match, return 0 for the whole things.  */
 
@@ -5794,7 +5804,8 @@ find_reloads_address_1 (enum machine_mode mode, rtx x, int context,
              if ((unsigned) CLASS_MAX_NREGS (class, GET_MODE (SUBREG_REG (x)))
                  > reg_class_size[class])
                {
-                 x = find_reloads_subreg_address (x, 0, opnum, type,
+                 x = find_reloads_subreg_address (x, 0, opnum, 
+                                                  ADDR_TYPE (type),
                                                   ind_levels, insn);
                  push_reload (x, NULL_RTX, loc, (rtx*) 0, class,
                               GET_MODE (x), VOIDmode, 0, 0, opnum, type);
@@ -5954,7 +5965,7 @@ find_reloads_subreg_address (rtx x, int force_replace, int opnum,
                }
 
              find_reloads_address (GET_MODE (tem), &tem, XEXP (tem, 0),
-                                   &XEXP (tem, 0), opnum, ADDR_TYPE (type),
+                                   &XEXP (tem, 0), opnum, type,
                                    ind_levels, insn);
 
              /* If this is not a toplevel operand, find_reloads doesn't see
@@ -6022,9 +6033,12 @@ subst_reloads (rtx insn)
             register refers to.  */
          if (GET_CODE (*r->where) == LABEL_REF
              && JUMP_P (insn))
-           REG_NOTES (insn) = gen_rtx_INSN_LIST (REG_LABEL,
-                                                 XEXP (*r->where, 0),
-                                                 REG_NOTES (insn));
+           {
+             REG_NOTES (insn) = gen_rtx_INSN_LIST (REG_LABEL,
+                                                   XEXP (*r->where, 0),
+                                                   REG_NOTES (insn));
+             JUMP_LABEL (insn) = XEXP (*r->where, 0);
+          }
 
          /* Encapsulate RELOADREG so its machine mode matches what
             used to be there.  Note that gen_lowpart_common will