* gcc.dg/asm-b.c: Fix comment typos.

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

diff --git a/gcc/reload.c b/gcc/reload.c
index 2bb2fb9..7d42492 100644 (file)
--- a/gcc/reload.c
+++ b/gcc/reload.c
@@ -1,6 +1,6 @@
 /* Search an insn for pseudo regs that must be in hard regs and are not.
    Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+   1999, 2000, 2001, 2002, 2003, 2004, 2005  Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -2160,12 +2160,15 @@ operands_match_p (rtx x, rtx y)
        j = REGNO (y);
 
       /* On a WORDS_BIG_ENDIAN machine, point to the last register of a
-        multiple hard register group, so that for example (reg:DI 0) and
-        (reg:SI 1) will be considered the same register.  */
+        multiple hard register group of scalar integer registers, so that
+        for example (reg:DI 0) and (reg:SI 1) will be considered the same
+        register.  */
       if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD
+         && SCALAR_INT_MODE_P (GET_MODE (x))
          && i < FIRST_PSEUDO_REGISTER)
        i += hard_regno_nregs[i][GET_MODE (x)] - 1;
       if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (y)) > UNITS_PER_WORD
+         && SCALAR_INT_MODE_P (GET_MODE (y))
          && j < FIRST_PSEUDO_REGISTER)
        j += hard_regno_nregs[j][GET_MODE (y)] - 1;
 
@@ -3668,6 +3671,10 @@ find_reloads (rtx insn, int replace, int ind_levels, int live_known,
          pref_or_nothing[commutative] = pref_or_nothing[commutative + 1];
          pref_or_nothing[commutative + 1] = t;
 
+         t = address_reloaded[commutative];
+         address_reloaded[commutative] = address_reloaded[commutative + 1];
+         address_reloaded[commutative + 1] = t;
+
          memcpy (constraints, recog_data.constraints,
                  noperands * sizeof (char *));
          goto try_swapped;
@@ -6705,12 +6712,14 @@ find_equiv_reg (rtx goal, rtx insn, enum reg_class class, int other,
 
          if (regno >= 0 && regno < FIRST_PSEUDO_REGISTER)
            for (i = 0; i < nregs; ++i)
-             if (call_used_regs[regno + i])
+             if (call_used_regs[regno + i]
+                 || HARD_REGNO_CALL_PART_CLOBBERED (regno + i, mode))
                return 0;
 
          if (valueno >= 0 && valueno < FIRST_PSEUDO_REGISTER)
            for (i = 0; i < valuenregs; ++i)
-             if (call_used_regs[valueno + i])
+             if (call_used_regs[valueno + i]
+                 || HARD_REGNO_CALL_PART_CLOBBERED (valueno + i, mode))
                return 0;
        }
 
@@ -7017,8 +7026,6 @@ static const char *const reload_when_needed_name[] =
   "RELOAD_FOR_OTHER_ADDRESS"
 };
 
-static const char * const reg_class_names[] = REG_CLASS_NAMES;
-
 /* These functions are used to print the variables set by 'find_reloads' */
 
 void