var-tracking.c (canonicalize_values_mark): Delete unused lhs assignment.

	* var-tracking.c (canonicalize_values_mark): Delete unused
	lhs assignment.
	(canonicalize_values_star, set_variable_part): Likewise.
	(clobber_variable_part, delete_variable_part): Likewise.

From-SVN: r171606

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 946923daf5fc6c4df8353b05d1422218bbff6487..ac86016629ecbd7a92181042f800844ed387ef85 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-03-28  Jeff Law  <law@redhat.com>
+
+       * var-tracking.c (canonicalize_values_mark): Delete unused
+       lhs assignment.
+       (canonicalize_values_star, set_variable_part): Likewise.
+       (clobber_variable_part, delete_variable_part): Likewise.
+
 2011-03-28  Steven Bosscher  <steven@gcc.gnu.org>
 
        * gcse.c (free_gcse_mem): Free reg_set_bitmap.

diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c
index d92ca59055e841947165e1bfa6a00b472d9617bf..ef0293790492b97dd219f9ce4f5f951672a3e23d 100644 (file)
--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -3117,8 +3117,8 @@ canonicalize_values_mark (void **slot, void *data)
            decl_or_value odv = dv_from_value (node->loc);
            void **oslot = shared_hash_find_slot_noinsert (set->vars, odv);
 
-           oslot = set_slot_part (set, val, oslot, odv, 0,
-                                  node->init, NULL_RTX);
+           set_slot_part (set, val, oslot, odv, 0,
+                          node->init, NULL_RTX);
 
            VALUE_RECURSED_INTO (node->loc) = true;
          }
@@ -3329,8 +3329,8 @@ canonicalize_values_star (void **slot, void *data)
       }
 
   if (val)
-    cslot = set_slot_part (set, val, cslot, cdv, 0,
-                          VAR_INIT_STATUS_INITIALIZED, NULL_RTX);
+    set_slot_part (set, val, cslot, cdv, 0,
+                  VAR_INIT_STATUS_INITIALIZED, NULL_RTX);
 
   slot = clobber_slot_part (set, cval, slot, 0, NULL);
 
@@ -3401,7 +3401,7 @@ canonicalize_vars_star (void **slot, void *data)
 
   slot = set_slot_part (set, cval, slot, dv, 0,
                        node->init, node->set_src);
-  slot = clobber_slot_part (set, cval, slot, 0, node->set_src);
+  clobber_slot_part (set, cval, slot, 0, node->set_src);
 
   return 1;
 }
@@ -7038,7 +7038,7 @@ set_variable_part (dataflow_set *set, rtx loc,
       if (!slot)
        slot = shared_hash_find_slot_unshare (&set->vars, dv, iopt);
     }
-  slot = set_slot_part (set, loc, slot, dv, offset, initialized, set_src);
+  set_slot_part (set, loc, slot, dv, offset, initialized, set_src);
 }
 
 /* Remove all recorded register locations for the given variable part
@@ -7119,7 +7119,7 @@ clobber_variable_part (dataflow_set *set, rtx loc, decl_or_value dv,
   if (!slot)
     return;
 
-  slot = clobber_slot_part (set, loc, slot, offset, set_src);
+  clobber_slot_part (set, loc, slot, offset, set_src);
 }
 
 /* Delete the part of variable's location from dataflow set SET.  The
@@ -7218,7 +7218,7 @@ delete_variable_part (dataflow_set *set, rtx loc, decl_or_value dv,
   if (!slot)
     return;
 
-  slot = delete_slot_part (set, loc, slot, offset);
+  delete_slot_part (set, loc, slot, offset);
 }
 
 /* Structure for passing some other parameters to function