ack/util/ego/descr/vax2.descr
bal b99ce86e16 register save costs changed: they are now linearly dependent on
the number of registers to be saved (for time).
1985-01-30 15:43:02 +00:00

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wordsize: 2
pointersize: 4
%%RA
general registers: 3
address registers: 4
floating point registers: 0
register score parameters:
local variable:
(2 cases)
pointer,pointer
(2 sizes)
fitbyte -> (5,2)
default -> (4,3)
general,general
(2 sizes)
fitbyte -> (3,1)
default -> (2,2)
address of local variable:
(2 cases)
pointer,pointer
(2 sizes)
fitbyte -> (0,1)
default -> (0,2)
general,pointer
(2 sizes)
fitbyte -> (0,1)
default -> (0,2)
constant:
(3 sizes)
in_0_63 -> (0,0)
fitbyte -> (0,1)
default -> (1,2)
double constant:
(1 size)
default -> (-1,-1)
address of global variable:
(1 size)
default -> (2,4)
address of procedure:
(1 size)
default -> (2,4)
opening cost parameters:
local variable:
(2 cases)
pointer
(2 sizes)
fitbyte -> (10,4)
default -> (9,5)
general
(2 sizes)
fitbyte -> (8,4)
default -> (7,5)
address of local variable:
(2 cases)
pointer
(2 sizes)
fitbyte -> (0,4)
default -> (0,5)
general
(2 sizes)
fitbyte -> (0,4)
general -> (0,5)
constant:
(3 sizes)
in_0_63 -> (4,2)
fitbyte -> (5,3)
default -> (6,4)
double constant:
(1 size)
default -> (1000,1000)
address of global variable:
(1 size)
default -> (6,7)
address of procedure:
(1 size)
default -> (6,7)
register save costs:
(9 cases)
0 -> (0,0)
1 -> (1,0)
2 -> (2,0)
3 -> (3,0)
4 -> (4,0)
5 -> (5,0)
6 -> (6,0)
7 -> (7,0)
0 -> (0,0)
%%UD
access costs of global variables:
(1 size)
default -> (7,4)
access costs of local variables:
(2 sizes)
fitbyte -> (3,1)
default -> (2,2)
%%SR
overflow harmful?: no
array bound harmful?: no
%%CS
#include "../../../h/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: op_cii op_cui op_cfi op_ciu op_cff op_cuu op_cif -1
op_cii op_cui op_cfi op_ciu op_cff op_cuu op_cif -1
lexical tresholds: 1 1
indirection limit: 8
do sli if index?: no no
forbidden operators: -1 -1
%%SP
global stack pollution allowed?: yes