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lvzhengyang
riscv-gcc-1
Commits
63a4a903
Commit
63a4a903
authored
Apr 13, 1999
by
John Wehle
Committed by
Richard Henderson
Apr 13, 1999
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John Wehle (john@feith.com)
John Wehle (john@feith.com) * i386.md (movdi): Add splitter. From-SVN: r26415
parent
15838c69
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gcc/ChangeLog
+4
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gcc/config/i386/i386.md
+34
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gcc/ChangeLog
View file @
63a4a903
Tue
Apr
13
17
:
47
:
14
1999
John
Wehle
(
john
@feith
.
com
)
*
i386
.
md
(
movdi
)
:
Add
splitter
.
Wed
Apr
14
10
:
04
:
27
1999
Michael
Hayes
<
m
.
hayes
@elec
.
canterbury
.
ac
.
nz
>
*
config
/
c4x
/
c4x
.
md
(
storeqf_int
,
storeqf_int_clobber
,
loadqf_int
,
...
...
gcc/config/i386/i386.md
View file @
63a4a903
...
...
@@ -1699,6 +1699,40 @@
[
(set_attr "type" "integer,memory")
(set_attr "memory" "
*
,load")])
(define_split
[
(set (match_operand:DI 0 "nonimmediate_operand" "")
(match_operand:DI 1 "general_operand" ""))]
"reload_completed
&& (offsettable_memref_p (operands
[
0
]
)
|| nonmemory_operand (operands
[
0
]
, DImode))
&& (offsettable_memref_p (operands
[
1
]
)
|| nonmemory_operand (operands
[
1
]
, DImode))
&& (! reg_overlap_mentioned_p (gen_lowpart (SImode, operands
[
0
]
),
operands
[
1
]
)
|| ! reg_overlap_mentioned_p (gen_highpart (SImode, operands
[
0
]
),
operands
[
1
]
))"
[
(set (match_dup 2)
(match_dup 4))
(set (match_dup 3)
(match_dup 5))]
"
{
split_di (&operands
[
0
]
, 1, &operands
[
2
]
,
&operands[3]);
split_di (&operands
[
1
]
, 1, &operands
[
4
]
,
&operands[5]);
if (reg_overlap_mentioned_p (operands
[
2
]
, operands
[
1
]
))
{
rtx tmp;
tmp = operands[2];
operands[2] = operands[3];
operands[3] = tmp;
tmp = operands[4];
operands[4] = operands[5];
operands[5] = tmp;
}
}")
;;- conversion instructions
;;- NONE
...
...
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