Make memset in calloc a tail call.

2 files changed, 6 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 49df74a9f4..4c4e8e8a2c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-11-28  Ondřej Bílka  <neleai@seznam.cz>
+
+	* malloc/malloc.c (__libc_calloc): Make memset a tail call.
+
 2013-11-26  Uros Bizjak  <ubizjak@gmail.com>
 
 	* soft-fp/op-4.h (_FP_FRAC_ASSEMBLE_4): Check rsize against
diff --git a/malloc/malloc.c b/malloc/malloc.c
index c8a5374e65..8977687f8c 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3181,7 +3181,7 @@ __libc_calloc(size_t n, size_t elem_size)
   if (chunk_is_mmapped (p))
     {
       if (__builtin_expect (perturb_byte, 0))
-	MALLOC_ZERO (mem, sz);
+	return MALLOC_ZERO (mem, sz);
       return mem;
     }
 
@@ -3203,7 +3203,7 @@ __libc_calloc(size_t n, size_t elem_size)
   assert(nclears >= 3);
 
   if (nclears > 9)
-    MALLOC_ZERO(d, clearsize);
+    return MALLOC_ZERO(d, clearsize);
 
   else {
     *(d+0) = 0;