OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR lto/42528 (ICE with -flto and -fsigned-char)

Browse Source 
2010-01-08  Richard Guenther  <rguenther@suse.de>

	PR lto/42528
	* c.opt (fsigned-char): Also let LTO handle this option.
	(funsigned-char): Likewise.

	lto/
	* lto-lang.c (lto_handle_option): Handle -f[un]signed-char.
	(lto_init): Do not init char_type_node in a standard way
	but according to flag_signed_char.

	* gcc.dg/lto/20100103-1_0.c: New testcase.
	* gcc.dg/lto/20100103-2_0.c: Likewise.

From-SVN: r155740
This commit is contained in:
Richard Guenther 2010-01-08 16:57:59 +00:00 committed by Richard Biener
parent c8ae061371
commit c59449fa24
7 changed files with 53 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-01-08 Richard Guenther <rguenther@suse.de>
PR lto/42528
* c.opt (fsigned-char): Also let LTO handle this option.
(funsigned-char): Likewise.
2010-01-07 Richard Guenther <rguenther@suse.de>
* gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.

4
gcc/c.opt
View File

@ -769,7 +769,7 @@ C ObjC C++ ObjC++
When \"signed\" or \"unsigned\" is not given make the bitfield signed
fsigned-char
C ObjC C++ ObjC++
C ObjC C++ ObjC++ LTO
Make \"char\" signed by default
fsquangle
@ -802,7 +802,7 @@ C ObjC C++ ObjC++
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
funsigned-char
C ObjC C++ ObjC++
C ObjC C++ ObjC++ LTO
Make \"char\" unsigned by default
fuse-cxa-atexit

7
gcc/lto/ChangeLog
View File

@ -1,3 +1,10 @@
2010-01-08 Richard Guenther <rguenther@suse.de>
PR lto/42528
* lto-lang.c (lto_handle_option): Handle -f[un]signed-char.
(lto_init): Do not init char_type_node in a standard way
but according to flag_signed_char.
2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
PR lto/41564

13
gcc/lto/lto-lang.c
View File

@ -632,6 +632,14 @@ lto_handle_option (size_t scode, const char *arg, int value ATTRIBUTE_UNUSED)
warn_psabi = value;
break;
case OPT_fsigned_char:
flag_signed_char = value;
break;
case OPT_funsigned_char:
flag_signed_char = !value;
break;
default:
break;
}
@ -1036,8 +1044,11 @@ lto_init (void)
/* Share char_type_node with whatever would be the default for the target.
char_type_node will be used for internal types such as
va_list_type_node but will not be present in the lto stream. */
/* ??? This breaks the more common case of consistent but non-standard
setting of flag_signed_char, so share according to flag_signed_char.
See PR42528. */
char_type_node
= DEFAULT_SIGNED_CHAR ? signed_char_type_node : unsigned_char_type_node;
= flag_signed_char ? signed_char_type_node : unsigned_char_type_node;
/* Tell the middle end what type to use for the size of objects. */
if (strcmp (SIZE_TYPE, "unsigned int") == 0)

6
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
2010-01-08 Richard Guenther <rguenther@suse.de>
PR lto/42528
* gcc.dg/lto/20100103-1_0.c: New testcase.
* gcc.dg/lto/20100103-2_0.c: Likewise.
2010-01-08 Tobias Burnus <burnus@net-b.de
PR/fortran 25829

8
gcc/testsuite/gcc.dg/lto/20100103-1_0.c Normal file
View File

@ -0,0 +1,8 @@
/* { dg-lto-do link } */
/* { dg-lto-options {{-funsigned-char -flto} {-fsigned-char -flto}} } */
char *foo;
int main()
{
foo = "bar";
}

12
gcc/testsuite/gcc.dg/lto/20100103-2_0.c Normal file
View File

@ -0,0 +1,12 @@
/* { dg-lto-do link } */
/* { dg-lto-options {{-O -flto -funsigned-char} {-O -flto -fsigned-char}} } */
char p[32] = "";
int main ()
{
if (__builtin___strcpy_chk (p + 1, "vwxyz",
__builtin_object_size (p + 1, 0)) != p + 1)
__builtin_abort ();
return 0;
}