Prohibit vector modes in accumulators.

gcc/
	* config/mips/mips.c (mips_hard_regno_mode_ok_p): Prohibit accumulators
	for all vector modes.

From-SVN: r220200

gcc/ChangeLog

+2015-01-28  Robert Suchanek  <robert.suchanek@imgtec.com>
+
+	* config/mips/mips.c (mips_hard_regno_mode_ok_p): Prohibit accumulators
+	for all vector modes.
+
 2015-01-28  Jakub Jelinek  <jakub@redhat.com>
 
 	PR bootstrap/64612

gcc/config/mips/mips.c

@@ -12131,7 +12131,9 @@ mips_hard_regno_mode_ok_p (unsigned int regno, machine_mode mode)
 	return size >= MIN_UNITS_PER_WORD && size <= UNITS_PER_FPREG;
     }
 
+  /* Don't allow vector modes in accumulators.  */
   if (ACC_REG_P (regno)
+      && !VECTOR_MODE_P (mode)
       && (INTEGRAL_MODE_P (mode) || ALL_FIXED_POINT_MODE_P (mode)))
     {
       if (MD_REG_P (regno))