diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | malloc/malloc.c | 22 |
2 files changed, 13 insertions, 11 deletions
@@ -1,5 +1,7 @@ 2009-02-07 Ulrich Drepper <drepper@redhat.com> + * malloc/malloc.c: Add branch prediction for use of the hooks. + * grp/compat-initgroups.c [NOT_IN_libc] (__libc_use_alloca): Define. 2009-02-06 Ulrich Drepper <drepper@redhat.com> diff --git a/malloc/malloc.c b/malloc/malloc.c index a918934..d6c33d0 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); |