reload.c (operands_match_p): Only increment register number for…

reload.c (operands_match_p): Only increment register number for SCALAR_INT_MODE_P modes in multiple hard...

        * reload.c (operands_match_p): Only increment register number for
        SCALAR_INT_MODE_P modes in multiple hard registers.

From-SVN: r95519

gcc/ChangeLog

+2005-02-24  David Edelsohn  <edelsohn@gnu.org>
+
+	PR target/19019
+	* reload.c (operands_match_p): Only increment register number for
+	SCALAR_INT_MODE_P modes in multiple hard registers.
+
 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	* ChangeLog.5: Fix log message typo(s).

gcc/reload.c

@@ -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;