From 99e6213c0f0cebaa01f8310b6950a814cf4b21ee Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Fri, 13 Nov 2015 18:04:09 +0100
Subject: erts: Remove dead code erts_hash_merge

---
 erts/emulator/beam/hash.c | 50 -----------------------------------------------
 erts/emulator/beam/hash.h |  2 --
 2 files changed, 52 deletions(-)

(limited to 'erts/emulator/beam')

diff --git a/erts/emulator/beam/hash.c b/erts/emulator/beam/hash.c
index e0fde337f2..636aafc108 100644
--- a/erts/emulator/beam/hash.c
+++ b/erts/emulator/beam/hash.c
@@ -280,56 +280,6 @@ void* hash_put(Hash* h, void* tmpl)
     return (void*) b;
 }
 
-static void
-hash_insert_entry(Hash* h, HashBucket* entry)
-{
-    HashValue hval = entry->hvalue;
-    int ix = hval % h->size;
-    HashBucket* b = h->bucket[ix];
-
-    while (b != (HashBucket*) 0) {
-	if ((b->hvalue == hval) && (h->fun.cmp((void*)entry, (void*)b) == 0)) {
-	    abort();		/* Should not happen */
-	}
-	b = b->next;
-    }
-
-    if (h->bucket[ix] == NULL)
-	h->used++;
-
-    entry->next = h->bucket[ix];
-    h->bucket[ix] = entry;
-
-    if (h->used > h->size80percent)  /* rehash at 80% */
-	rehash(h, 1);
-}
-
-
-/*
- * Move all entries in src into dst; empty src.
- * Entries in src must not exist in dst.
- */
-void
-erts_hash_merge(Hash* src, Hash* dst)
-{
-    int limit = src->size;
-    HashBucket** bucket = src->bucket;
-    int i;
-
-    src->used = 0;
-    for (i = 0; i < limit; i++) {
-	HashBucket* b = bucket[i];
-	HashBucket* next;
-
-	bucket[i] = NULL;
-	while (b) {
-	    next = b->next;
-	    hash_insert_entry(dst, b);
-	    b = next;
-	}
-    }
-}
-
 /*
 ** Erase hash entry return template if erased
 ** return 0 if not erased
diff --git a/erts/emulator/beam/hash.h b/erts/emulator/beam/hash.h
index 87fdb360e3..c9e75d7acf 100644
--- a/erts/emulator/beam/hash.h
+++ b/erts/emulator/beam/hash.h
@@ -93,6 +93,4 @@ void* hash_erase(Hash*, void*);
 void* hash_remove(Hash*, void*);
 void  hash_foreach(Hash*, void (*func)(void *, void *), void *);
 
-void erts_hash_merge(Hash* src, Hash* dst);
-
 #endif
-- 
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