def _zeromalloc(self, codewriter, targetvar, size=1, atomic=False,
exc_flag=False):
""" assumes malloc of word size """
boundary_size = 0
word = self.db.get_machine_word()
uword = self.db.get_machine_uword()
fnname = '%pypy_malloc' + (atomic and '_atomic' or '')
## XXX (arigo) disabled the ring buffer for comparison purposes
## XXX until we know if it's a valid optimization or not
## if self.exc_useringbuf and exc_flag:
## fnname += '_ringbuffer'
## # dont clear the ringbuffer data
## atomic = False
# malloc_size is unsigned right now
sizeu = '%malloc_sizeu' + self.get_count()
codewriter.cast(sizeu, word, size, uword)
codewriter.call(targetvar, 'sbyte*', fnname, [word], [size])
if atomic:
codewriter.call(None, 'void', '%llvm.memset' + postfix(),
['sbyte*', 'ubyte', uword, uword],
[targetvar, 0, sizeu, boundary_size],
cconv='ccc')
def _zeromalloc(self, codewriter, targetvar, size=1, atomic=False,
exc_flag=False):
""" assumes malloc of word size """
uword = self.db.get_machine_uword()
boundary_size = 0
# malloc_size is unsigned right now
codewriter.malloc(targetvar, "sbyte", size)
codewriter.call(None, 'void', '%llvm.memset' + postfix(),
['sbyte*', 'ubyte', uword, uword],
[targetvar, 0, size, boundary_size],
cconv='ccc')
def _zeromalloc(self, codewriter, targetvar, size=1, atomic=False,
exc_flag=False):
""" assumes malloc of word size """
XXX
word = self.db.get_machine_word()
boundary_size = 0
# malloc_size is unsigned right now
codewriter.malloc(targetvar, "i8", size)
codewriter.call(None, 'void', '@llvm.memset' + postfix(),
['i8*', 'i8', word, word],
[targetvar, 0, size, boundary_size])
def _zeromalloc(self, codewriter, targetvar, size=1, atomic=False,
exc_flag=False):
""" assumes malloc of word size """
boundary_size = 0
word = self.db.get_machine_word()
fnname = '@pypy_malloc' + (atomic and '_atomic' or '')
## XXX (arigo) disabled the ring buffer for comparison purposes
## XXX until we know if it's a valid optimization or not
## if self.exc_useringbuf and exc_flag:
## fnname += '_ringbuffer'
## # dont clear the ringbuffer data
## atomic = False
codewriter.call(targetvar, 'i8*', fnname, [word], [size])
if atomic:
codewriter.call(None, 'void', '@llvm.memset' + postfix(),
['i8*', 'i8', word, word],
[targetvar, 0, size, boundary_size])
def _set_wordsize(self, s):
s = s.replace('UWORD', self.db.get_machine_uword())
s = s.replace( 'WORD', self.db.get_machine_word())
s = s.replace('POSTFIX', postfix())
return s