def o_roundx(self, target_bits, builder):
if builder is None:
return VInt(target_bits)
else:
r = VInt(64)
a, b = self._nd(builder)
h_b = builder.ashr(b, ll.Constant(ll.IntType(64), 1))
function = builder.basic_block.function
add_block = function.append_basic_block("fr_add")
sub_block = function.append_basic_block("fr_sub")
merge_block = function.append_basic_block("fr_merge")
condition = builder.icmp_signed(
"<", a, ll.Constant(ll.IntType(64), 0))
builder.cbranch(condition, sub_block, add_block)
builder.position_at_end(add_block)
a_add = builder.add(a, h_b)
builder.branch(merge_block)
builder.position_at_end(sub_block)
a_sub = builder.sub(a, h_b)
builder.branch(merge_block)
builder.position_at_end(merge_block)
a = builder.phi(ll.IntType(64))
a.add_incoming(a_add, add_block)
a.add_incoming(a_sub, sub_block)
r.auto_store(builder, builder.sdiv(a, b))
return r.o_intx(target_bits, builder)
def o_roundx(self, target_bits, builder):
if builder is None:
return VInt(target_bits)
else:
r = VInt(64)
a, b = self._nd(builder)
h_b = builder.ashr(b, ll.Constant(ll.IntType(64), 1))
function = builder.basic_block.function
add_block = function.append_basic_block("fr_add")
sub_block = function.append_basic_block("fr_sub")
merge_block = function.append_basic_block("fr_merge")
condition = builder.icmp_signed(
"<", a, ll.Constant(ll.IntType(64), 0))
builder.cbranch(condition, sub_block, add_block)
builder.position_at_end(add_block)
a_add = builder.add(a, h_b)
builder.branch(merge_block)
builder.position_at_end(sub_block)
a_sub = builder.sub(a, h_b)
builder.branch(merge_block)
builder.position_at_end(merge_block)
a = builder.phi(ll.IntType(64))
a.add_incoming(a_add, add_block)
a.add_incoming(a_sub, sub_block)
r.auto_store(builder, builder.sdiv(a, b))
return r.o_intx(target_bits, builder)
def o_intx(self, target_bits, builder):
if builder is None:
return VInt(target_bits)
else:
r = VInt(64)
a, b = self._nd(builder)
r.auto_store(builder, builder.sdiv(a, b))
return r.o_intx(target_bits, builder)
def o_intx(self, target_bits, builder):
if builder is None:
return VInt(target_bits)
else:
r = VInt(64)
a, b = self._nd(builder)
r.auto_store(builder, builder.sdiv(a, b))
return r.o_intx(target_bits, builder)
