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lvzhengyang
riscv-gcc-1
Commits
59e748dc
Commit
59e748dc
authored
Jun 05, 1992
by
Richard Stallman
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*** empty log message ***
From-SVN: r1166
parent
8129e7a4
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1 changed file
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1 additions
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84 deletions
+1
-84
gcc/config/mips/mips.c
+1
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gcc/config/mips/mips.c
View file @
59e748dc
...
@@ -438,25 +438,6 @@ large_int (op, mode)
...
@@ -438,25 +438,6 @@ large_int (op, mode)
return
TRUE
;
return
TRUE
;
}
}
/* Return truth value of whether OP is an integer which can be loaded
with an lui instruction. */
int
lui_int
(
op
,
mode
)
rtx
op
;
enum
machine_mode
mode
;
{
long
value
;
if
(
GET_CODE
(
op
)
!=
CONST_INT
)
return
FALSE
;
if
((
value
&
0x0000ffff
)
==
0
)
/* lui reg,value>>16 */
return
TRUE
;
return
FALSE
;
}
/* Return truth value of whether OP is a register or the constant 0. */
/* Return truth value of whether OP is a register or the constant 0. */
int
int
...
@@ -3564,71 +3545,6 @@ mips_output_lineno (stream, line)
...
@@ -3564,71 +3545,6 @@ mips_output_lineno (stream, line)
}
}
/* If defined, a C statement to be executed just prior to the
output of assembler code for INSN, to modify the extracted
operands so they will be output differently.
Here the argument OPVEC is the vector containing the operands
extracted from INSN, and NOPERANDS is the number of elements of
the vector which contain meaningful data for this insn. The
contents of this vector are what will be used to convert the
insn template into assembler code, so you can change the
assembler output by changing the contents of the vector.
We use it to check if the current insn needs a nop in front of it
because of load delays, and also to update the delay slot
statistics. */
void
final_prescan_insn
(
insn
,
opvec
,
noperands
)
rtx
insn
;
rtx
opvec
[];
int
noperands
;
{
if
(
dslots_number_nops
>
0
)
{
enum
machine_mode
mode
=
GET_MODE
(
mips_load_reg
);
rtx
pattern
=
PATTERN
(
insn
);
int
length
=
get_attr_length
(
insn
);
/* If this operand is really safe to fill the delay slot, such as an
AND with a large constant integer as operand[2], mark the delay
slot filled. */
if
(
get_attr_safe
(
insn
)
==
SAFE_YES
&&
length
>
1
)
dslots_load_filled
++
;
/* Do we need to emit a NOP? */
else
if
(
length
==
0
||
(
mips_load_reg
!=
(
rtx
)
0
&&
reg_mentioned_p
(
mips_load_reg
,
pattern
))
||
(
mips_load_reg2
!=
(
rtx
)
0
&&
reg_mentioned_p
(
mips_load_reg2
,
pattern
))
||
(
mips_load_reg3
!=
(
rtx
)
0
&&
reg_mentioned_p
(
mips_load_reg3
,
pattern
))
||
(
mips_load_reg4
!=
(
rtx
)
0
&&
reg_mentioned_p
(
mips_load_reg4
,
pattern
)))
fputs
((
set_noreorder
)
?
"
\t
nop
\n
"
:
"
\t
#nop
\n
"
,
asm_out_file
);
else
dslots_load_filled
++
;
while
(
--
dslots_number_nops
>
0
)
fputs
((
set_noreorder
)
?
"
\t
nop
\n
"
:
"
\t
#nop
\n
"
,
asm_out_file
);
mips_load_reg
=
(
rtx
)
0
;
mips_load_reg2
=
(
rtx
)
0
;
mips_load_reg3
=
(
rtx
)
0
;
mips_load_reg4
=
(
rtx
)
0
;
if
(
set_noreorder
&&
--
set_noreorder
==
0
)
fputs
(
"
\t
.set
\t
reorder
\n
"
,
asm_out_file
);
}
if
(
TARGET_STATS
)
{
enum
rtx_code
code
=
GET_CODE
(
insn
);
if
(
code
==
JUMP_INSN
||
code
==
CALL_INSN
)
dslots_jump_total
++
;
}
}
/* Output at beginning of assembler file.
/* Output at beginning of assembler file.
If we are optimizing to use the global pointer, create a temporary
If we are optimizing to use the global pointer, create a temporary
file to hold all of the text stuff, and write it out to the end.
file to hold all of the text stuff, and write it out to the end.
...
@@ -4451,3 +4367,4 @@ null_epilogue ()
...
@@ -4451,3 +4367,4 @@ null_epilogue ()
return
(
compute_frame_size
(
get_frame_size
()))
==
0
;
return
(
compute_frame_size
(
get_frame_size
()))
==
0
;
}
}
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