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lvzhengyang
riscv-gcc-1
Commits
f78b5ca1
Commit
f78b5ca1
authored
Nov 14, 1997
by
Jeffrey A Law
Committed by
Jeff Law
Nov 14, 1997
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* calls.c (expand_call): Handle pcc_struct_value correctly for C++.
From-SVN: r16485
parent
238ad62b
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gcc/ChangeLog
View file @
f78b5ca1
Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
* calls.c (expand_call): Handle pcc_struct_value correctly for C++.
* i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
* i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
* rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
...
...
gcc/calls.c
View file @
f78b5ca1
...
...
@@ -2061,36 +2061,12 @@ expand_call (exp, target, ignore)
}
else
if
(
pcc_struct_value
)
{
if
(
target
==
0
)
{
/* We used leave the value in the location that it is
returned in, but that causes problems if it is used more
than once in one expression. Rather than trying to track
when a copy is required, we always copy when TARGET is
not specified. This calling sequence is only used on
a few machines and TARGET is usually nonzero. */
if
(
TYPE_MODE
(
TREE_TYPE
(
exp
))
==
BLKmode
)
{
target
=
assign_stack_temp
(
BLKmode
,
int_size_in_bytes
(
TREE_TYPE
(
exp
)),
0
);
MEM_IN_STRUCT_P
(
target
)
=
AGGREGATE_TYPE_P
(
TREE_TYPE
(
exp
));
/* Save this temp slot around the pop below. */
preserve_temp_slots
(
target
);
}
else
target
=
gen_reg_rtx
(
TYPE_MODE
(
TREE_TYPE
(
exp
)));
}
if
(
TYPE_MODE
(
TREE_TYPE
(
exp
))
!=
BLKmode
)
emit_move_insn
(
target
,
gen_rtx
(
MEM
,
TYPE_MODE
(
TREE_TYPE
(
exp
)),
copy_to_reg
(
valreg
)));
else
emit_block_move
(
target
,
gen_rtx
(
MEM
,
BLKmode
,
copy_to_reg
(
valreg
)),
expr_size
(
exp
),
TYPE_ALIGN
(
TREE_TYPE
(
exp
))
/
BITS_PER_UNIT
);
/* This is the special C++ case where we need to
know what the true target was. We take care to
never use this value more than once in one expression. */
target
=
gen_rtx
(
MEM
,
TYPE_MODE
(
TREE_TYPE
(
exp
)),
copy_to_reg
(
valreg
));
MEM_IN_STRUCT_P
(
target
)
=
AGGREGATE_TYPE_P
(
TREE_TYPE
(
exp
));
}
/* Handle calls that return values in multiple non-contiguous locations.
The Irix 6 ABI has examples of this. */
...
...
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