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体验新版 GitCode,发现更多精彩内容 >>
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db4a1645
编写于
3月 18, 2014
作者:
R
Richard Henderson
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
target-alpha: Convert opcode 0x11 to source/sink
Signed-off-by:
N
Richard Henderson
<
rth@twiddle.net
>
上级
194cfb43
变更
1
显示空白变更内容
内联
并排
Showing
1 changed file
with
37 addition
and
89 deletion
+37
-89
target-alpha/translate.c
target-alpha/translate.c
+37
-89
未找到文件。
target-alpha/translate.c
浏览文件 @
db4a1645
...
...
@@ -2100,32 +2100,43 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
goto
invalid_opc
;
}
break
;
case
0x11
:
switch
(
fn7
)
{
case
0x00
:
/* AND */
if
(
likely
(
rc
!=
31
))
{
if
(
fn7
==
0x20
)
{
if
(
rc
==
31
)
{
/* Special case BIS as NOP. */
break
;
}
if
(
ra
==
31
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
0
);
}
else
if
(
islit
)
{
tcg_gen_andi_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
lit
);
/* Special case BIS as MOV. */
vc
=
dest_gpr
(
ctx
,
rc
);
if
(
islit
)
{
tcg_gen_movi_i64
(
vc
,
lit
);
}
else
{
tcg_gen_
and_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]
);
tcg_gen_
mov_i64
(
vc
,
load_gpr
(
ctx
,
rb
)
);
}
break
;
}
}
vc
=
dest_gpr
(
ctx
,
rc
);
vb
=
load_gpr_lit
(
ctx
,
rb
,
lit
,
islit
);
if
(
fn7
==
0x28
&&
ra
==
31
)
{
/* Special case ORNOT as NOT. */
tcg_gen_not_i64
(
vc
,
vb
);
break
;
}
va
=
load_gpr
(
ctx
,
ra
);
switch
(
fn7
)
{
case
0x00
:
/* AND */
tcg_gen_and_i64
(
vc
,
va
,
vb
);
break
;
case
0x08
:
/* BIC */
if
(
likely
(
rc
!=
31
))
{
if
(
ra
!=
31
)
{
if
(
islit
)
{
tcg_gen_andi_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
~
lit
);
}
else
{
tcg_gen_andc_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]);
}
}
else
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
0
);
}
tcg_gen_andc_i64
(
vc
,
va
,
vb
);
break
;
case
0x14
:
/* CMOVLBS */
...
...
@@ -2137,21 +2148,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break
;
case
0x20
:
/* BIS */
if
(
likely
(
rc
!=
31
))
{
if
(
ra
!=
31
)
{
if
(
islit
)
{
tcg_gen_ori_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
lit
);
}
else
{
tcg_gen_or_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]);
}
}
else
{
if
(
islit
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
lit
);
}
else
{
tcg_gen_mov_i64
(
cpu_ir
[
rc
],
cpu_ir
[
rb
]);
}
}
}
tcg_gen_or_i64
(
vc
,
va
,
vb
);
break
;
case
0x24
:
/* CMOVEQ */
...
...
@@ -2163,39 +2160,11 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break
;
case
0x28
:
/* ORNOT */
if
(
likely
(
rc
!=
31
))
{
if
(
ra
!=
31
)
{
if
(
islit
)
{
tcg_gen_ori_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
~
lit
);
}
else
{
tcg_gen_orc_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]);
}
}
else
{
if
(
islit
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
~
lit
);
}
else
{
tcg_gen_not_i64
(
cpu_ir
[
rc
],
cpu_ir
[
rb
]);
}
}
}
tcg_gen_orc_i64
(
vc
,
va
,
vb
);
break
;
case
0x40
:
/* XOR */
if
(
likely
(
rc
!=
31
))
{
if
(
ra
!=
31
)
{
if
(
islit
)
{
tcg_gen_xori_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
lit
);
}
else
{
tcg_gen_xor_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]);
}
}
else
{
if
(
islit
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
lit
);
}
else
{
tcg_gen_mov_i64
(
cpu_ir
[
rc
],
cpu_ir
[
rb
]);
}
}
}
tcg_gen_xor_i64
(
vc
,
va
,
vb
);
break
;
case
0x44
:
/* CMOVLT */
...
...
@@ -2207,33 +2176,14 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
break
;
case
0x48
:
/* EQV */
if
(
likely
(
rc
!=
31
))
{
if
(
ra
!=
31
)
{
if
(
islit
)
{
tcg_gen_xori_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
~
lit
);
}
else
{
tcg_gen_eqv_i64
(
cpu_ir
[
rc
],
cpu_ir
[
ra
],
cpu_ir
[
rb
]);
}
}
else
{
if
(
islit
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
~
lit
);
}
else
{
tcg_gen_not_i64
(
cpu_ir
[
rc
],
cpu_ir
[
rb
]);
}
}
}
tcg_gen_eqv_i64
(
vc
,
va
,
vb
);
break
;
case
0x61
:
/* AMASK */
REQUIRE_REG_31
(
ra
);
if
(
likely
(
rc
!=
31
))
{
{
uint64_t
amask
=
ctx
->
tb
->
flags
>>
TB_FLAGS_AMASK_SHIFT
;
if
(
islit
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
lit
&
~
amask
);
}
else
{
tcg_gen_andi_i64
(
cpu_ir
[
rc
],
cpu_ir
[
rb
],
~
amask
);
}
tcg_gen_andi_i64
(
vc
,
vb
,
~
amask
);
}
break
;
case
0x64
:
...
...
@@ -2247,9 +2197,7 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
case
0x6C
:
/* IMPLVER */
REQUIRE_REG_31
(
ra
);
if
(
rc
!=
31
)
{
tcg_gen_movi_i64
(
cpu_ir
[
rc
],
ctx
->
implver
);
}
tcg_gen_movi_i64
(
vc
,
ctx
->
implver
);
break
;
default:
goto
invalid_opc
;
...
...
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