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Kirill Smelkov
go
Commits
d87bc2f0
Commit
d87bc2f0
authored
Jun 02, 2012
by
Shenghou Ma
Committed by
Russ Cox
Jun 02, 2012
Browse files
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Plain Diff
cmd/5c, cmd/5g, cmd/5l: enable use of R12, F8-F15
R=dave, rsc CC=golang-dev
https://golang.org/cl/6248070
parent
b7c2ade6
Changes
3
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Showing
3 changed files
with
21 additions
and
12 deletions
+21
-12
src/cmd/5c/reg.c
src/cmd/5c/reg.c
+5
-4
src/cmd/5g/reg.c
src/cmd/5g/reg.c
+15
-6
src/cmd/5l/5.out.h
src/cmd/5l/5.out.h
+1
-2
No files found.
src/cmd/5c/reg.c
View file @
d87bc2f0
...
@@ -1150,12 +1150,13 @@ addreg(Adr *a, int rn)
...
@@ -1150,12 +1150,13 @@ addreg(Adr *a, int rn)
* 1 R1
* 1 R1
* ... ...
* ... ...
* 10 R10
* 10 R10
* 12 R12
*/
*/
int32
int32
RtoB
(
int
r
)
RtoB
(
int
r
)
{
{
if
(
r
<
2
||
r
>=
REGTMP
-
2
)
// excluded R9 and R10 for m and g
if
(
r
<
2
||
(
r
>=
REGTMP
-
2
&&
r
!=
12
))
// excluded R9 and R10 for m and g, but not R12
return
0
;
return
0
;
return
1L
<<
r
;
return
1L
<<
r
;
}
}
...
@@ -1163,7 +1164,7 @@ RtoB(int r)
...
@@ -1163,7 +1164,7 @@ RtoB(int r)
int
int
BtoR
(
int32
b
)
BtoR
(
int32
b
)
{
{
b
&=
0x
01fcL
;
// excluded R9 and R10 for m and g
b
&=
0x
11fcL
;
// excluded R9 and R10 for m and g, but not R12
if
(
b
==
0
)
if
(
b
==
0
)
return
0
;
return
0
;
return
bitno
(
b
);
return
bitno
(
b
);
...
@@ -1174,7 +1175,7 @@ BtoR(int32 b)
...
@@ -1174,7 +1175,7 @@ BtoR(int32 b)
* 18 F2
* 18 F2
* 19 F3
* 19 F3
* ... ...
* ... ...
*
23 F7
*
31 F15
*/
*/
int32
int32
FtoB
(
int
f
)
FtoB
(
int
f
)
...
@@ -1189,7 +1190,7 @@ int
...
@@ -1189,7 +1190,7 @@ int
BtoF
(
int32
b
)
BtoF
(
int32
b
)
{
{
b
&=
0xfc0000L
;
b
&=
0xf
ff
c0000L
;
if
(
b
==
0
)
if
(
b
==
0
)
return
0
;
return
0
;
return
bitno
(
b
)
-
16
;
return
bitno
(
b
)
-
16
;
...
...
src/cmd/5g/reg.c
View file @
d87bc2f0
...
@@ -34,8 +34,8 @@
...
@@ -34,8 +34,8 @@
#include "gg.h"
#include "gg.h"
#include "opt.h"
#include "opt.h"
#define NREGVAR
24
#define NREGVAR
32
#define REGBITS ((uint32)0xffffff)
#define REGBITS ((uint32)0xffffff
ff
)
#define P2R(p) (Reg*)(p->reg)
#define P2R(p) (Reg*)(p->reg)
void
addsplits
(
void
);
void
addsplits
(
void
);
...
@@ -160,6 +160,14 @@ static char* regname[] = {
...
@@ -160,6 +160,14 @@ static char* regname[] = {
".F5"
,
".F5"
,
".F6"
,
".F6"
,
".F7"
,
".F7"
,
".F8"
,
".F9"
,
".F10"
,
".F11"
,
".F12"
,
".F13"
,
".F14"
,
".F15"
,
};
};
void
void
...
@@ -1486,11 +1494,12 @@ addreg(Adr *a, int rn)
...
@@ -1486,11 +1494,12 @@ addreg(Adr *a, int rn)
* 1 R1
* 1 R1
* ... ...
* ... ...
* 10 R10
* 10 R10
* 12 R12
*/
*/
int32
int32
RtoB
(
int
r
)
RtoB
(
int
r
)
{
{
if
(
r
>=
REGTMP
-
2
)
// excluded R9 and R10 for m and g
if
(
r
>=
REGTMP
-
2
&&
r
!=
12
)
// excluded R9 and R10 for m and g, but not R12
return
0
;
return
0
;
return
1L
<<
r
;
return
1L
<<
r
;
}
}
...
@@ -1498,7 +1507,7 @@ RtoB(int r)
...
@@ -1498,7 +1507,7 @@ RtoB(int r)
int
int
BtoR
(
int32
b
)
BtoR
(
int32
b
)
{
{
b
&=
0x
01fcL
;
// excluded R9 and R10 for m and g
b
&=
0x
11fcL
;
// excluded R9 and R10 for m and g, but not R12
if
(
b
==
0
)
if
(
b
==
0
)
return
0
;
return
0
;
return
bitno
(
b
);
return
bitno
(
b
);
...
@@ -1509,7 +1518,7 @@ BtoR(int32 b)
...
@@ -1509,7 +1518,7 @@ BtoR(int32 b)
* 18 F2
* 18 F2
* 19 F3
* 19 F3
* ... ...
* ... ...
*
23 F7
*
31 F15
*/
*/
int32
int32
FtoB
(
int
f
)
FtoB
(
int
f
)
...
@@ -1524,7 +1533,7 @@ int
...
@@ -1524,7 +1533,7 @@ int
BtoF
(
int32
b
)
BtoF
(
int32
b
)
{
{
b
&=
0xfc0000L
;
b
&=
0xf
ff
c0000L
;
if
(
b
==
0
)
if
(
b
==
0
)
return
0
;
return
0
;
return
bitno
(
b
)
-
16
;
return
bitno
(
b
)
-
16
;
...
...
src/cmd/5l/5.out.h
View file @
d87bc2f0
...
@@ -49,12 +49,11 @@
...
@@ -49,12 +49,11 @@
#define REGM (REGEXT-1)
#define REGM (REGEXT-1)
/* compiler allocates external registers R10 down */
/* compiler allocates external registers R10 down */
#define REGTMP 11
#define REGTMP 11
#define REGSB 12
#define REGSP 13
#define REGSP 13
#define REGLINK 14
#define REGLINK 14
#define REGPC 15
#define REGPC 15
#define NFREG
8
#define NFREG
16
#define FREGRET 0
#define FREGRET 0
#define FREGEXT 7
#define FREGEXT 7
#define FREGTMP 15
#define FREGTMP 15
...
...
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