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authorUlrich Drepper <drepper@redhat.com>2009-02-07 19:05:28 +0000
committerUlrich Drepper <drepper@redhat.com>2009-02-07 19:05:28 +0000
commitbfacf1af1a534e56acfedc43ee8317061c7992be (patch)
treedbbf2f297d8fed8726f525c0e3736c731e88f14d /malloc
parentbc16e0c4670f13510d0abb6d868d6b243b0e1b4b (diff)
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* malloc/malloc.c: Add branch prediction for use of the hooks.
Diffstat (limited to 'malloc')
-rw-r--r--malloc/malloc.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index a918934740..d6c33d035b 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3131,7 +3131,7 @@ static Void_t* sYSMALLOc(nb, av) INTERNAL_SIZE_T nb; mstate av;
if (brk != (char*)(MORECORE_FAILURE)) {
/* Call the `morecore' hook if necessary. */
- if (__after_morecore_hook)
+ if (__builtin_expect (__after_morecore_hook != NULL, 0))
(*__after_morecore_hook) ();
} else {
/*
@@ -3270,7 +3270,7 @@ static Void_t* sYSMALLOc(nb, av) INTERNAL_SIZE_T nb; mstate av;
snd_brk = (char*)(MORECORE(0));
} else
/* Call the `morecore' hook if necessary. */
- if (__after_morecore_hook)
+ if (__builtin_expect (__after_morecore_hook != NULL, 0))
(*__after_morecore_hook) ();
}
@@ -3415,7 +3415,7 @@ static int sYSTRIm(pad, av) size_t pad; mstate av;
MORECORE(-extra);
/* Call the `morecore' hook if necessary. */
- if (__after_morecore_hook)
+ if (__builtin_expect (__after_morecore_hook != NULL, 0))
(*__after_morecore_hook) ();
new_brk = (char*)(MORECORE(0));
@@ -3542,7 +3542,7 @@ public_mALLOc(size_t bytes)
Void_t *victim;
__malloc_ptr_t (*hook) (size_t, __const __malloc_ptr_t) = __malloc_hook;
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
return (*hook)(bytes, RETURN_ADDRESS (0));
arena_get(ar_ptr, bytes);
@@ -3585,7 +3585,7 @@ public_fREe(Void_t* mem)
mchunkptr p; /* chunk corresponding to mem */
void (*hook) (__malloc_ptr_t, __const __malloc_ptr_t) = __free_hook;
- if (hook != NULL) {
+ if (__builtin_expect (hook != NULL, 0)) {
(*hook)(mem, RETURN_ADDRESS (0));
return;
}
@@ -3642,7 +3642,7 @@ public_rEALLOc(Void_t* oldmem, size_t bytes)
__malloc_ptr_t (*hook) (__malloc_ptr_t, size_t, __const __malloc_ptr_t) =
__realloc_hook;
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
return (*hook)(oldmem, bytes, RETURN_ADDRESS (0));
#if REALLOC_ZERO_BYTES_FREES
@@ -3748,7 +3748,7 @@ public_mEMALIGn(size_t alignment, size_t bytes)
__malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t,
__const __malloc_ptr_t)) =
__memalign_hook;
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
return (*hook)(alignment, bytes, RETURN_ADDRESS (0));
/* If need less alignment than we give anyway, just relay to malloc */
@@ -3805,7 +3805,7 @@ public_vALLOc(size_t bytes)
__malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t,
__const __malloc_ptr_t)) =
__memalign_hook;
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
return (*hook)(pagesz, bytes, RETURN_ADDRESS (0));
arena_get(ar_ptr, bytes + pagesz + MINSIZE);
@@ -3852,7 +3852,7 @@ public_pVALLOc(size_t bytes)
__malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t,
__const __malloc_ptr_t)) =
__memalign_hook;
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
return (*hook)(pagesz, rounded_bytes, RETURN_ADDRESS (0));
arena_get(ar_ptr, bytes + 2*pagesz + MINSIZE);
@@ -3906,7 +3906,7 @@ public_cALLOc(size_t n, size_t elem_size)
}
}
- if (hook != NULL) {
+ if (__builtin_expect (hook != NULL, 0)) {
sz = bytes;
mem = (*hook)(sz, RETURN_ADDRESS (0));
if(mem == 0)
@@ -6020,7 +6020,7 @@ __posix_memalign (void **memptr, size_t alignment, size_t size)
/* Call the hook here, so that caller is posix_memalign's caller
and not posix_memalign itself. */
- if (hook != NULL)
+ if (__builtin_expect (hook != NULL, 0))
mem = (*hook)(alignment, size, RETURN_ADDRESS (0));
else
mem = public_mEMALIGn (alignment, size);