ack/util/ego/descr/m68k2.descr
1992-02-11 16:59:43 +00:00

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wordsize: 2
pointersize: 4
%%RA
general registers: 5
address registers: 4
floating point registers: 0
use general as pointer: no
register score parameters:
local variable:
(2 cases)
pointer,pointer
(1 size)
default -> (6,3)
general,general
(1 size)
default -> (1,2)
address of local variable:
(2 cases)
pointer,pointer
(1 size)
default -> (0,0)
general,pointer
(1 size)
default -> (2,2)
constant:
(2 sizes)
in_0_8 -> (0,0)
default -> (2,2)
double constant:
(1 size)
default -> (-1,-1)
address of global variable:
(1 size)
default -> (1,4)
address of procedure:
(1 size)
default -> (1,4)
opening cost parameters:
local variable:
(2 cases)
pointer
(1 size)
default -> (6,4)
general
(1 size)
default -> (8,4)
address of local variable:
(2 cases)
pointer
(1 size)
default -> (4,2)
general
(1 size)
general -> (4,2)
constant:
(1 size)
default -> (1000,1000)
double constant:
(1 size)
default -> (1000,1000)
address of global variable:
(1 size)
default -> (6,6)
address of procedure:
(1 size)
default -> (6,6)
register save costs:
(11 cases)
0 -> (0,0)
1 -> (12,4)
2 -> (24,8)
3 -> (34,8)
4 -> (42,8)
5 -> (50,8)
6 -> (58,8)
7 -> (66,8)
8 -> (84,8)
9 -> (92,8)
0 -> (0,0)
%%UD
access costs of global variables:
(1 size)
default -> (7,4)
access costs of local variables:
(1 size)
default -> (4,2)
%%SR
overflow harmful?: no
array bound harmful?: no
reduce sli if shift count larger than: 0
%%CS
#include "em_mnem.h"
first time then space:
addressing modes: op_adp op_lof op_ldf op_loi op_dch op_lpb -1
op_adp op_lof op_ldf op_loi op_dch op_lpb -1
cheap operations: -1 -1
lexical tresholds: 1 1
indirection limit: 8
do not eliminate sli if index on shiftcounts: -1
-1
forbidden operators: -1 -1
%%SP
global stack pollution allowed?: no