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Reduce the number of ifdefs in machine independent code

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Hopefully we don't have too many GNUC users who don't have
fetch and add.
This commit is contained in:
Arun Sharma 2012-09-29 12:22:47 -07:00
parent 6456da2dc1
commit cb3fbbb172
1 changed files with 1 additions and 5 deletions
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6
src/mi/mempool.c
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@ -50,12 +50,10 @@ sos_alloc (size_t size)
size = UNW_ALIGN(size, MAX_ALIGN); size = UNW_ALIGN(size, MAX_ALIGN);
#if defined(__GNUC__) #if defined(__GNUC__) && defined(HAVE_FETCH_AND_ADD)
/* Assume `sos_memory' is suitably aligned. */ /* Assume `sos_memory' is suitably aligned. */
assert(((uintptr_t) &sos_memory[0] & (MAX_ALIGN-1)) == 0); assert(((uintptr_t) &sos_memory[0] & (MAX_ALIGN-1)) == 0);
#endif
#if defined(__GNUC__) && defined(HAVE_FETCH_AND_ADD)
pos = fetch_and_add (&sos_memory_freepos, size); pos = fetch_and_add (&sos_memory_freepos, size);
#else #else
static define_lock (sos_lock); static define_lock (sos_lock);
@ -63,7 +61,6 @@ sos_alloc (size_t size)
lock_acquire (&sos_lock, saved_mask); lock_acquire (&sos_lock, saved_mask);
{ {
# ifndef __GNUC__
/* No assumptions about `sos_memory' alignment. */ /* No assumptions about `sos_memory' alignment. */
if (sos_memory_freepos == 0) if (sos_memory_freepos == 0)
{ {
@ -71,7 +68,6 @@ sos_alloc (size_t size)
- (uintptr_t) &sos_memory[0]; - (uintptr_t) &sos_memory[0];
sos_memory_freepos = align; sos_memory_freepos = align;
} }
# endif
pos = sos_memory_freepos; pos = sos_memory_freepos;
sos_memory_freepos += size; sos_memory_freepos += size;
} }