* gcc.c (do_spec_1): Accept numeric characters in file name

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

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 2561e32..9064b00 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.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.  */
 
 
 #include "config.h"
@@ -666,9 +666,7 @@ reg_used_between_p (rtx reg, rtx from_insn, rtx to_insn)
   for (insn = NEXT_INSN (from_insn); insn != to_insn; insn = NEXT_INSN (insn))
     if (INSN_P (insn)
        && (reg_overlap_mentioned_p (reg, PATTERN (insn))
-          || (CALL_P (insn)
-             && (find_reg_fusage (insn, USE, reg)
-                 || find_reg_fusage (insn, CLOBBER, reg)))))
+          || (CALL_P (insn) && find_reg_fusage (insn, USE, reg))))
       return 1;
   return 0;
 }
@@ -2166,6 +2164,7 @@ may_trap_p (rtx x)
 
     case NEG:
     case ABS:
+    case SUBREG:
       /* These operations don't trap even with floating point.  */
       break;
 
@@ -3657,12 +3656,14 @@ nonzero_bits1 (rtx x, enum machine_mode mode, rtx known_x,
     case GE:  case GEU:  case UNGE:
     case LE:  case LEU:  case UNLE:
     case UNORDERED: case ORDERED:
-
       /* If this produces an integer result, we know which bits are set.
         Code here used to clear bits outside the mode of X, but that is
         now done above.  */
-
-      if (GET_MODE_CLASS (mode) == MODE_INT
+      /* Mind that MODE is the mode the caller wants to look at this 
+        operation in, and not the actual operation mode.  We can wind 
+        up with (subreg:DI (gt:V4HI x y)), and we don't have anything
+        that describes the results of a vector compare.  */
+      if (GET_MODE_CLASS (GET_MODE (x)) == MODE_INT
          && mode_width <= HOST_BITS_PER_WIDE_INT)
        nonzero = STORE_FLAG_VALUE;
       break;