rs6000.c (rs6000_option_override_internal): Do not set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
        set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
        (rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.

From-SVN: r191986

gcc/ChangeLog

+2012-10-02  David Edelsohn  <dje.gcc@gmail.com>
+
+	* config/rs6000/rs6000.c (rs6000_option_override_internal): Do not
+	set TARGET_ALTIVEC_VRSAVE for TARGET_ELF.
+	(rs6000_stack_info): Only set vrsave_mask if TARGET_ALTIVEC_VRSAVE.
+
 2012-10-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/54713
@@ -29,7 +35,7 @@
 2012-10-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	* config/rs6000/rs6000.c (toplevel): Include dumpfile.h.
-	(rs6000_density_test): Rework to accomidate 09-30 change by
+	(rs6000_density_test): Rework to accommodate 09-30 change by
 	Sharad Singhai.
 
 	* config/rs6000/t-rs6000 (rs6000.o): Add dumpfile.h dependency.

gcc/config/rs6000/rs6000.c

@@ -2726,10 +2726,6 @@ rs6000_option_override_internal (bool global_init_p)
 	  else
 	    rs6000_altivec_abi = 1;
 	}
-
-      /* Enable VRSAVE for AltiVec ABI, unless explicitly overridden.  */
-      if (!global_options_set.x_TARGET_ALTIVEC_VRSAVE)
-	TARGET_ALTIVEC_VRSAVE = rs6000_altivec_abi;
     }
 
   /* Set the Darwin64 ABI as default for 64-bit Darwin.  
@@ -17843,7 +17839,8 @@ rs6000_stack_info (void)
   else
     info_ptr->spe_gp_size = 0;
 
-  if (TARGET_ALTIVEC_ABI)
+  /* Set VRSAVE register if it is saved and restored.  */
+  if (TARGET_ALTIVEC_ABI && TARGET_ALTIVEC_VRSAVE)
     info_ptr->vrsave_mask = compute_vrsave_mask ();
   else
     info_ptr->vrsave_mask = 0;