Example #1
0
    def _new_execute_call_assembler(def_val):
        def _execute_call_assembler(self, descr, *args):
            # XXX simplify the following a bit
            #
            # pframe = CALL_ASSEMBLER(args..., descr=looptoken)
            # ==>
            #     pframe = CALL looptoken.loopaddr(*args)
            #     JUMP_IF_FAST_PATH @fastpath
            #     res = CALL assembler_call_helper(pframe)
            #     jmp @done
            #   @fastpath:
            #     res = GETFIELD(pframe, 'result')
            #   @done:
            #
            call_op = self.lltrace.operations[self.current_index]
            guard_op = self.lltrace.operations[self.current_index + 1]
            assert guard_op.getopnum() == rop.GUARD_NOT_FORCED
            self.force_guard_op = guard_op
            pframe = self.cpu._execute_token(descr, *args)
            del self.force_guard_op
            #
            jd = descr.outermost_jitdriver_sd
            assert jd is not None, ("call_assembler(): the loop_token needs "
                                    "to have 'outermost_jitdriver_sd'")
            if jd.index_of_virtualizable != -1:
                vable = args[jd.index_of_virtualizable]
            else:
                vable = lltype.nullptr(llmemory.GCREF.TO)
            #
            # Emulate the fast path
            #
            faildescr = self.cpu.get_latest_descr(pframe)
            if faildescr == self.cpu.done_with_this_frame_descr_int:
                return self.cpu.get_int_value(pframe, 0)
            elif faildescr == self.cpu.done_with_this_frame_descr_ref:
                return self.cpu.get_ref_value(pframe, 0)
            elif faildescr == self.cpu.done_with_this_frame_descr_float:
                return self.cpu.get_float_value(pframe, 0)
            elif faildescr == self.cpu.done_with_this_frame_descr_void:
                return None

            assembler_helper_ptr = jd.assembler_helper_adr.ptr  # fish
            try:
                result = assembler_helper_ptr(pframe, vable)
            except LLException, lle:
                assert self.last_exception is None, "exception left behind"
                self.last_exception = lle
                # fish op
                result = def_val
            if isinstance(result, float):
                result = support.cast_to_floatstorage(result)
            return result
Example #2
0
 def _do_math_sqrt(self, value):
     import math
     y = support.cast_from_floatstorage(lltype.Float, value)
     x = math.sqrt(y)
     return support.cast_to_floatstorage(x)
Example #3
0
        elif faildescr == self.cpu.done_with_this_frame_descr_float:
            return self.cpu.get_float_value(pframe, 0)
        elif faildescr == self.cpu.done_with_this_frame_descr_void:
            return None

        assembler_helper_ptr = jd.assembler_helper_adr.ptr  # fish
        try:
            result = assembler_helper_ptr(pframe, vable)
        except LLException, lle:
            assert self.last_exception is None, "exception left behind"
            self.last_exception = lle
            # fish op
            op = self.current_op
            return op.result and op.result.value
        if isinstance(result, float):
            result = support.cast_to_floatstorage(result)
        return result

    def execute_same_as(self, _, x):
        return x

    def execute_debug_merge_point(self, descr, *args):
        from rpython.jit.metainterp.warmspot import get_stats
        try:
            stats = get_stats()
        except AttributeError:
            pass
        else:
            stats.add_merge_point_location(args[1:])

    def execute_enter_portal_frame(self, descr, *args):
Example #4
0
 def _do_math_sqrt(self, value):
     import math
     y = support.cast_from_floatstorage(lltype.Float, value)
     x = math.sqrt(y)
     return support.cast_to_floatstorage(x)
Example #5
0
        elif faildescr == self.cpu.done_with_this_frame_descr_float:
            return self.cpu.get_float_value(pframe, 0)
        elif faildescr == self.cpu.done_with_this_frame_descr_void:
            return None

        assembler_helper_ptr = jd.assembler_helper_adr.ptr  # fish
        try:
            result = assembler_helper_ptr(pframe, vable)
        except LLException, lle:
            assert self.last_exception is None, "exception left behind"
            self.last_exception = lle
            # fish op
            op = self.current_op
            return op.result and op.result.value
        if isinstance(result, float):
            result = support.cast_to_floatstorage(result)
        return result

    def execute_same_as(self, _, x):
        return x

    def execute_debug_merge_point(self, descr, *args):
        from rpython.jit.metainterp.warmspot import get_stats
        try:
            stats = get_stats()
        except AttributeError:
            pass
        else:
            stats.add_merge_point_location(args[1:])

    def execute_new_with_vtable(self, _, vtable):