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go
golang
Commits
3d462449
Commit
3d462449
authored
Apr 10, 2012
by
Russ Cox
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8a, 8l: add PREFETCH instructions
R=ken2 CC=golang-dev
https://golang.org/cl/5992082
parent
35d260fa
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4 changed files
with
20 additions
and
2 deletions
+20
-2
lex.c
src/cmd/8a/lex.c
+4
-0
8.out.h
src/cmd/8l/8.out.h
+5
-0
optab.c
src/cmd/8l/optab.c
+10
-0
asm_386.s
src/pkg/runtime/asm_386.s
+1
-2
No files found.
src/cmd/8a/lex.c
View file @
3d462449
...
@@ -667,6 +667,10 @@ struct
...
@@ -667,6 +667,10 @@ struct
"MFENCE"
,
LTYPE0
,
AMFENCE
,
"MFENCE"
,
LTYPE0
,
AMFENCE
,
"SFENCE"
,
LTYPE0
,
ASFENCE
,
"SFENCE"
,
LTYPE0
,
ASFENCE
,
"EMMS"
,
LTYPE0
,
AEMMS
,
"EMMS"
,
LTYPE0
,
AEMMS
,
"PREFETCHT0"
,
LTYPE2
,
APREFETCHT0
,
"PREFETCHT1"
,
LTYPE2
,
APREFETCHT1
,
"PREFETCHT2"
,
LTYPE2
,
APREFETCHT2
,
"PREFETCHNTA"
,
LTYPE2
,
APREFETCHNTA
,
0
0
};
};
...
...
src/cmd/8l/8.out.h
View file @
3d462449
...
@@ -451,6 +451,11 @@ enum as
...
@@ -451,6 +451,11 @@ enum as
ASFENCE
,
ASFENCE
,
AEMMS
,
AEMMS
,
APREFETCHT0
,
APREFETCHT1
,
APREFETCHT2
,
APREFETCHNTA
,
ALAST
ALAST
};
};
...
...
src/cmd/8l/optab.c
View file @
3d462449
...
@@ -349,6 +349,11 @@ uchar ysvrs[] =
...
@@ -349,6 +349,11 @@ uchar ysvrs[] =
Ym
,
Ynone
,
Zm_o
,
2
,
Ym
,
Ynone
,
Zm_o
,
2
,
0
0
};
};
uchar
yprefetch
[]
=
{
Ym
,
Ynone
,
Zm_o
,
2
,
0
,
};
Optab
optab
[]
=
Optab
optab
[]
=
/* as, ytab, andproto, opcode */
/* as, ytab, andproto, opcode */
...
@@ -761,5 +766,10 @@ Optab optab[] =
...
@@ -761,5 +766,10 @@ Optab optab[] =
{
AEMMS
,
ynone
,
Pm
,
0x77
},
{
AEMMS
,
ynone
,
Pm
,
0x77
},
{
APREFETCHT0
,
yprefetch
,
Pm
,
0x18
,(
01
)
},
{
APREFETCHT1
,
yprefetch
,
Pm
,
0x18
,(
02
)
},
{
APREFETCHT2
,
yprefetch
,
Pm
,
0x18
,(
03
)
},
{
APREFETCHNTA
,
yprefetch
,
Pm
,
0x18
,(
00
)
},
0
0
};
};
src/pkg/runtime/asm_386.s
View file @
3d462449
...
@@ -417,8 +417,7 @@ TEXT runtime·atomicstore64(SB), 7, $0
...
@@ -417,8 +417,7 @@ TEXT runtime·atomicstore64(SB), 7, $0
TEXT runtime·prefetch(SB), 7, $0
TEXT runtime·prefetch(SB), 7, $0
MOVL 4(SP), AX
MOVL 4(SP), AX
// PREFETCHNTA (AX)
PREFETCHNTA (AX)
BYTE $0x0f; BYTE $0x18; BYTE $0x00
RET
RET
// void jmpdefer(fn, sp);
// void jmpdefer(fn, sp);
...
...
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