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improved i86 description

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This commit is contained in:
ceriel 1988-07-18 17:10:43 +00:00
parent 0dc643686e
commit 9d48a61694
1 changed files with 73 additions and 1 deletions
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74
util/ego/descr/i86.descr
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@ -1,6 +1,78 @@
wordsize: 2 wordsize: 2
pointersize: 2 pointersize: 2
%%RA
general registers: 2
address registers: 0
floating point registers: 0
register score parameters:
local variable:
(2 cases)
pointer,general
(1 size)
default -> (8,4)
general,general
(1 size)
default -> (4,2)
address of local variable:
(2 cases)
pointer,general
(1 size)
default -> (0,0)
general,general
(1 size)
default -> (2,2)
constant:
(1 sizes)
default -> (2,2)
double constant:
(1 size)
default -> (-1,-1)
address of global variable:
(1 size)
default -> (4,2)
address of procedure:
(1 size)
default -> (2,2)
opening cost parameters:
local variable:
(2 cases)
pointer
(1 size)
default -> (9,4)
general
(1 size)
default -> (9,4)
address of local variable:
(2 cases)
pointer
(1 size)
default -> (10,6)
general
(1 size)
general -> (10,6)
constant:
(1 size)
default -> (4,4)
double constant:
(1 size)
default -> (1000,1000)
address of global variable:
(1 size)
default -> (4,4)
address of procedure:
(1 size)
default -> (4,4)
register save costs:
(4 cases)
0 -> (0,0)
1 -> (18,2)
2 -> (36,4)
0 -> (0,0)
%%UD %%UD
access costs of global variables: access costs of global variables:
(1 size) (1 size)
@ -12,4 +84,4 @@ access costs of local variables:
overflow harmful?: no overflow harmful?: no
array bound harmful?: no array bound harmful?: no
%%SP %%SP
global stack pollution allowed?: yes global stack pollution allowed?: no