def init_address(self):
# Call syn_iters init self.code
self.obj.init_address(self)
# Update the address with the offset
# For variable iterators, this is the value already computed for r_count
self.obj.code.add(ppc.add(self.r_addr, self.r_addr, self.obj.r_count))
return
def _update_inc_count(self):
code = self.obj.code
r_block_size = code.prgm.acquire_register()
r_offset = code.prgm.acquire_register()
# Determine the block size for each loop
util.load_word(code, r_block_size, self.get_count() - self.get_start())
code.add(ppc.divw(r_block_size, r_block_size, code.r_size))
# Determine the offset for the current block and update the r_count
# (this is primarily for range, which uses different values in r_count
# to initialize ranges that don't start at 0)
code.add(ppc.mullw(r_offset, code.r_rank, r_block_size))
code.add(ppc.add(self.obj.r_count, self.obj.r_count, r_offset))
if self.obj.r_stop is not None:
code.add(ppc.add(self.obj.r_stop, self.obj.r_count, r_block_size))
code.prgm.release_register(r_offset)
code.prgm.release_register(r_block_size)
return
prgm.add(code) prgm.print_code() ret = proc.execute(prgm, mode='int') print "ret", ret prgm = env.Program() code = prgm.get_stream() # Use a register from the parent code in the subcode directly r_add = prgm.acquire_register() # Generate sub-stream # Multiple eax by 2, add 1 subcode = prgm.get_stream() subcode.add(ppc.mulli(prgm.gp_return, prgm.gp_return, 2)) subcode.add(ppc.add(prgm.gp_return, prgm.gp_return, r_add)) # Initialize a register, insert code code.add(ppc.addi(r_add, 0, 1)) code.add(ppc.addi(prgm.gp_return, 0, 5)) code.add(subcode) # Add 3, insert again code.add(ppc.addi(r_add, 0, 2)) code.add(ppc.addi(prgm.gp_return, prgm.gp_return, 3)) code.add(subcode) prgm.add(code) prgm.print_code() ret = proc.execute(prgm, mode='int') print "ret", ret
prgm.print_code() ret = proc.execute(prgm, mode = 'int') print "ret", ret prgm = env.Program() code = prgm.get_stream() # Use a register from the parent code in the subcode directly r_add = prgm.acquire_register() # Generate sub-stream # Multiple eax by 2, add 1 subcode = prgm.get_stream() subcode.add(ppc.mulli(prgm.gp_return, prgm.gp_return, 2)) subcode.add(ppc.add(prgm.gp_return, prgm.gp_return, r_add)) # Initialize a register, insert code code.add(ppc.addi(r_add, 0, 1)) code.add(ppc.addi(prgm.gp_return, 0, 5)) code.add(subcode) # Add 3, insert again code.add(ppc.addi(r_add, 0, 2)) code.add(ppc.addi(prgm.gp_return, prgm.gp_return, 3)) code.add(subcode) prgm.add(code) prgm.print_code() ret = proc.execute(prgm, mode = 'int') print "ret", ret