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lvzhengyang
riscv-gcc-1
Commits
d8ab9ce0
Commit
d8ab9ce0
authored
Apr 06, 2018
by
Tamar Christina
Committed by
Tamar Christina
Apr 06, 2018
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Reverted commit r254862
From-SVN: r259169
parent
ef2e5ec2
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6 changed files
with
12 additions
and
87 deletions
+12
-87
gcc/ChangeLog
+5
-0
gcc/doc/sourcebuild.texi
+0
-7
gcc/expr.c
+1
-3
gcc/testsuite/ChangeLog
+6
-0
gcc/testsuite/gcc.dg/struct-simple.c
+0
-52
gcc/testsuite/lib/target-supports.exp
+0
-25
No files found.
gcc/ChangeLog
View file @
d8ab9ce0
2018-04-06 Tamar Christina <tamar.christina@arm.com>
* expr.c (copy_blkmode_to_reg): Revert 254862.
* doc/sourcebuild.texi (word_mode_no_slow_unalign): Likewise.
2018-04-06 Richard Biener <rguenther@suse.de>
PR middle-end/85244
...
...
gcc/doc/sourcebuild.texi
View file @
d8ab9ce0
...
...
@@ -2297,15 +2297,8 @@ Target supports @code{wchar_t} that is compatible with @code{char32_t}.
@item
comdat_group
Target
uses
comdat
groups
.
@item
weak_undefined
Target
supports
weak
undefined
symbols
.
@item
word_mode_no_slow_unalign
Target
does
not
have
slow
unaligned
access
when
doing
word
size
accesses
.
@end
table
@subsubsection
Local
to
tests
in
@code
{
gcc
.
target
/
i386
}
@table
@code
...
...
gcc/expr.c
View file @
d8ab9ce0
...
...
@@ -2782,9 +2782,7 @@ copy_blkmode_to_reg (machine_mode mode_in, tree src)
n_regs
=
(
bytes
+
UNITS_PER_WORD
-
1
)
/
UNITS_PER_WORD
;
dst_words
=
XALLOCAVEC
(
rtx
,
n_regs
);
bitsize
=
BITS_PER_WORD
;
if
(
targetm
.
slow_unaligned_access
(
word_mode
,
TYPE_ALIGN
(
TREE_TYPE
(
src
))))
bitsize
=
MIN
(
TYPE_ALIGN
(
TREE_TYPE
(
src
)),
BITS_PER_WORD
);
bitsize
=
MIN
(
TYPE_ALIGN
(
TREE_TYPE
(
src
)),
BITS_PER_WORD
);
/* Copy the structure BITSIZE bits at a time. */
for
(
bitpos
=
0
,
xbitpos
=
padding_correction
;
...
...
gcc/testsuite/ChangeLog
View file @
d8ab9ce0
2018-04-06 Tamar Christina <tamar.christina@arm.com>
* gcc.dg/struct-simple.c: Revert r254862.
* lib/target-supports.exp
(check_effective_target_word_mode_no_slow_unalign): Likewise.
2018-04-06 Richard Biener <rguenther@suse.de>
PR middle-end/85244
...
...
gcc/testsuite/gcc.dg/struct-simple.c
deleted
100644 → 0
View file @
ef2e5ec2
/* { dg-do-run } */
/* { dg-require-effective-target word_mode_no_slow_unalign } */
/* { dg-additional-options "-fdump-rtl-final" } */
/* Copyright 1996, 1999, 2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>.
Please email any bugs, comments, and/or additions to this file to:
bug-gdb@prep.ai.mit.edu */
#include <stdio.h>
struct
struct3
{
char
a
,
b
,
c
;
};
struct
struct3
foo3
=
{
'A'
,
'B'
,
'C'
},
L3
;
struct
struct3
fun3
()
{
return
foo3
;
}
#ifdef PROTOTYPES
void
Fun3
(
struct
struct3
foo3
)
#else
void
Fun3
(
foo3
)
struct
struct3
foo3
;
#endif
{
L3
=
foo3
;
}
int
main
()
{
struct
struct3
x
=
fun3
();
printf
(
"a:%c, b:%c, c:%c
\n
"
,
x
.
a
,
x
.
b
,
x
.
c
);
}
/* { dg-final { scan-rtl-dump-not {zero_extract:.+\[\s*foo3\s*\]} "final" } } */
gcc/testsuite/lib/target-supports.exp
View file @
d8ab9ce0
...
...
@@ -6364,31 +6364,6 @@ proc check_effective_target_unaligned_stack { } {
return $et_unaligned_stack_saved
}
# Return 1 if the target plus current options does not have
# slow unaligned access when using word size accesses.
#
# This won't change for different subtargets so cache the result.
proc check_effective_target_word_mode_no_slow_unalign { } {
global et_word_mode_no_slow_unalign_saved
global et_index
if [info exists et_word_mode_no_slow_unalign_saved($et_index)] {
verbose "check_effective_target_word_mode_no_slow_unalign: \
using cached result" 2
} else {
set et_word_mode_no_slow_unalign_saved($et_index) 0
if { [is-effective-target non_strict_align]
&& !([istarget arm*-*-*])
} {
set et_word_mode_no_slow_unalign_saved($et_index) 1
}
}
verbose "check_effective_target_word_mode_no_slow_unalign:\
returning $et_word_mode_no_slow_unalign_saved($et_index)" 2
return $et_word_mode_no_slow_unalign_saved($et_index)
}
# Return 1 if the target plus current options does not support a vector
# alignment mechanism, 0 otherwise.
#
...
...
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