add a hash_set based on hash_table

This allows us to replace the usage of pointer_set outside of
pointer_map with a nicer interface.

gcc/ada/

	* gcc-interface/trans.c: Use hash_set instead of pointer_set.

gcc/c-family/

	* c-gimplify.c: Use hash_set instead of pointer_set.

gcc/c/

	* c-decl.c: Use hash_set instead of pointer_set.

gcc/cp/

	* class.c, cp-gimplify.c, cp-tree.h, decl.c, decl2.c, error.c,
	method.c, name-lookup.c, pt.c, semantics.c, tree.c: Use hash_set
	instead of pointer_set.

gcc/fortran/

	* openmp.c, trans-decl.c: Use hash_set instead of pointer_set.

gcc/

	* hash-set.h: new File.
	* cfgexpand.c, cfgloop.c, cgraph.c, cgraphbuild.c, cgraphunit.c,
	cprop.c, cse.c, gimple-walk.c, gimple-walk.h, gimplify.c, godump.c,
	ipa-devirt.c, ipa-pure-const.c, ipa-visibility.c, ipa.c, lto-cgraph.c,
	lto-streamer-out.c, stmt.c, tree-cfg.c, tree-core.h, tree-eh.c,
	tree-inline.c, tree-inline.h, tree-nested.c, tree-pretty-print.c,
	tree-ssa-loop-niter.c, tree-ssa-phiopt.c, tree-ssa-threadedge.c,
	tree-ssa-uninit.c, tree.c, tree.h, value-prof.c, varasm.c,
	varpool.c: Use hash_set instead of pointer_set.

gcc/lto/

	* lto-partition.c, lto-partition.h: Use hash_set instead of
	pointer_set.

From-SVN: r213516

1 files changed, 5 insertions, 5 deletions

diff --git a/gcc/varasm.c b/gcc/varasm.c
index 819ec26..9d8602b 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -51,7 +51,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "common/common-target.h"
 #include "targhooks.h"
 #include "cgraph.h"
-#include "pointer-set.h"
+#include "hash-set.h"
 #include "asan.h"
 #include "basic-block.h"
 
@@ -2249,7 +2249,7 @@ static bool pending_assemble_externals_processed;
 
 /* Avoid O(external_decls**2) lookups in the pending_assemble_externals
    TREE_LIST in assemble_external.  */
-static struct pointer_set_t *pending_assemble_externals_set;
+static hash_set<tree> *pending_assemble_externals_set;
 
 /* True if DECL is a function decl for which no out-of-line copy exists.
    It is assumed that DECL's assembler name has been set.  */
@@ -2303,7 +2303,7 @@ process_pending_assemble_externals (void)
 
   pending_assemble_externals = 0;
   pending_assemble_externals_processed = true;
-  pointer_set_destroy (pending_assemble_externals_set);
+  delete pending_assemble_externals_set;
 #endif
 }
 
@@ -2361,7 +2361,7 @@ assemble_external (tree decl ATTRIBUTE_UNUSED)
       return;
     }
 
-  if (! pointer_set_insert (pending_assemble_externals_set, decl))
+  if (! pending_assemble_externals_set->add (decl))
     pending_assemble_externals = tree_cons (NULL, decl,
 					    pending_assemble_externals);
 #endif
@@ -5991,7 +5991,7 @@ init_varasm_once (void)
     readonly_data_section = text_section;
 
 #ifdef ASM_OUTPUT_EXTERNAL
-  pending_assemble_externals_set = pointer_set_create ();
+  pending_assemble_externals_set = new hash_set<tree>;
 #endif
 }