[Bug c/21838] New: ia64 gcc (cross compiler at least) generates call to __ia64_save_stack_nonlocal when __label__ is used
void test(void)
{
__label__ test;
goto test;
test:
return;
}
- br.call.sptk.many b0 = __ia64_save_stack_nonlocal#
--
Summary: ia64 gcc (cross compiler at least) generates call to
__ia64_save_stack_nonlocal when __label__ is used
Product: gcc
Version: 3.3.6
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: herbert at 13thfloor dot at
CC: gcc-bugs at gcc dot gnu dot org
GCC target triplet: ia64-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21838
[Bug c/21220] New: cross compiler bootstrap fails with internal compiler error
Funny input line: timestamp gen-protos: 1346 entries 341 collisions ../../gcc-4.0.0/gcc/libgcc2.c: In function '__udivmoddi4': ../../gcc-4.0.0/gcc/libgcc2.c:1050: internal compiler error: in change_address_1, at emit-rtl.c:1800 host gcc is 3.3.5 -- Summary: cross compiler bootstrap fails with internal compiler error Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: herbert at 13thfloor dot at CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: sh64-elf-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21220
[Bug middle-end/20985] building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions
--- Additional Comments From herbert at 13thfloor dot at 2005-04-13 19:36 --- Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:51:18PM -, drow at false dot org wrote: --- Additional Comments From drow at false dot org 2005-04-13 17:51 --- Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 09:46:26AM -, pinskia at gcc dot gnu dot org wrote: Component|bootstrap |debug BTW, this has little to do with debugging; it's unwind information, which is runtime. hmm, sorry about that, was (as usual) confused by the bug tracking tool ... didn't even notice that I selected debug (I probably did, or didn't I?) best, Herbert -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 --- You are receiving this mail because: --- You reported the bug, or are watching the reporter. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985
[Bug middle-end/20985] building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions
--- Additional Comments From herbert at 13thfloor dot at 2005-04-13 21:11 --- Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 09:46:24AM -, pinskia at gcc dot gnu dot org wrote: --- Additional Comments From pinskia at gcc dot gnu dot org 2005-04-13 09:46 --- 956.4byte $LFB4-. Are you sure that this is not an assembler problem? tested with binutils 2.15.91.0.1, at least those give the very same message ... /root/tmp/ccHAa3KN.s: Assembler messages: /root/tmp/ccHAa3KN.s:955: Error: operation combines symbols in different segments thanks, Herbert -- What|Removed |Added Severity|critical|normal Component|bootstrap |debug Keywords||build http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 --- You are receiving this mail because: --- You reported the bug, or are watching the reporter. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985
[Bug middle-end/20985] building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions
--- Additional Comments From herbert at 13thfloor dot at 2005-04-13 21:31 --- Subject: Re: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:50:59PM -, drow at false dot org wrote: --- Additional Comments From drow at false dot org 2005-04-13 17:50 --- Subject: Re: New: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions On Wed, Apr 13, 2005 at 05:22:07AM -, herbert at 13thfloor dot at wrote: ./configure --enable-languages=c --disable-nls --disable-threads --disable-shared --disable-checking --prefix=/usr --target=mips-linux make TARGET_LIBGCC2_CFLAGS='-Dinhibit_libc -D__gthr_posix_h' results in ... /gcc-3.3.5/gcc/xgcc -B/gcc-3.3.5/gcc/ -B/usr/mips-linux/bin/ -B/usr/mips-linux/lib/ -isystem /usr/mips-linux/include -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include -fPIC -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config -I./../include -DL_divdi3 -c ./libgcc2.c -fexceptions -fnon-call-exceptions -o libgcc/./_divdi3.o /root/tmp/ccI71cbx.s: Assembler messages: /root/tmp/ccI71cbx.s:956: Error: operation combines symbols in different segments 955.4byte $LASFDE1-$Lframe1 956.4byte $LFB4-. 957.4byte $LFE4-$LFB4 (removing the '-.' in that line *G* makes it work with gas 2.15.94.0.2.2) The feature was removed from the assembler, because it is not ABI compliant. This is fixed in GCC 3.4 and later. You can just delete the definition in config/mips/linux.h that causes this. ASM_PREFERRED_EH_DATA_FORMAT or something similar, I don't remember the spelling. yep, that fixes it ... thanks a lot! Herbert http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985 --- You are receiving this mail because: --- You reported the bug, or are watching the reporter. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985
[Bug bootstrap/20985] New: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call-exceptions
./configure --enable-languages=c --disable-nls --disable-threads --disable-shared --disable-checking --prefix=/usr --target=mips-linux make TARGET_LIBGCC2_CFLAGS='-Dinhibit_libc -D__gthr_posix_h' results in ... /gcc-3.3.5/gcc/xgcc -B/gcc-3.3.5/gcc/ -B/usr/mips-linux/bin/ -B/usr/mips-linux/lib/ -isystem /usr/mips-linux/include -O2 -DIN_GCC -DCROSS_COMPILE -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -isystem ./include -fPIC -g -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED -Dinhibit_libc -I. -I. -I. -I./. -I./config -I./../include -DL_divdi3 -c ./libgcc2.c -fexceptions -fnon-call-exceptions -o libgcc/./_divdi3.o /root/tmp/ccI71cbx.s: Assembler messages: /root/tmp/ccI71cbx.s:956: Error: operation combines symbols in different segments 955.4byte $LASFDE1-$Lframe1 956.4byte $LFB4-. 957.4byte $LFE4-$LFB4 (removing the '-.' in that line *G* makes it work with gas 2.15.94.0.2.2) -- Summary: building mips/64 cross compiler on x86 produces incorrect assembler code for _divdi3 with -fnon-call- exceptions Product: gcc Version: 3.3.5 Status: UNCONFIRMED Severity: critical Priority: P2 Component: bootstrap AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: herbert at 13thfloor dot at CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: mips-unknown-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20985
[Bug c/18240] New: warning: `obptr' might be used uninitialized in this function
In the followin code fragment, obptr is wrongly
reported as 'might be used uninitialized' where
the same code causes now arning for x86 ...
static inline int vx_nofiles_task(struct task_struct *tsk)
{
struct files_struct *files = tsk-files;
unsigned long *obptr;
int count, total;
spin_lock(files-file_lock);
obptr = files-open_fds-fds_bits;
count = files-max_fds / (sizeof(unsigned long) * 8);
for (total = 0; count 0; count--) {
if (*obptr)
total += hweight_long(*obptr);
obptr++;
}
spin_unlock(files-file_lock);
return total;
}
--
Summary: warning: `obptr' might be used uninitialized in this
function
Product: gcc
Version: 3.3.4
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: herbert at 13thfloor dot at
CC: gcc-bugs at gcc dot gnu dot org
GCC host triplet: i586-mandrake-linux
GCC target triplet: ia64-unknown-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18240
[Bug c/18240] warning: `obptr' might be used uninitialized in this function
--- Additional Comments From herbert at 13thfloor dot at 2004-10-31 00:08 --- Created an attachment (id=7437) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7437action=view) the soruce file -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18240
[Bug c/18240] warning: `obptr' might be used uninitialized in this function
--- Additional Comments From herbert at 13thfloor dot at 2004-10-31 00:10 --- Created an attachment (id=7438) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7438action=view) requested .i file -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18240
[Bug c/18240] warning: `obptr' might be used uninitialized in this function
--- Additional Comments From herbert at 13thfloor dot at 2004-10-31 00:11 --- Created an attachment (id=7439) -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7439action=view) compile command line -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18240
[Bug c/18240] warning: `obptr' might be used uninitialized in this function
-- What|Removed |Added Attachment #7437|the soruce file |the source file description|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18240
