[Bug c/19417] New: return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

I have included 2 .i and .s files.  One correctly sets the return value (r3) and
one does not.  The addition of the nonleaf() call causes the return value to be
set properly.  If you search the .s files for "cort start return" "cort end
return" you can see it.

It seems that the return value isn't set properly if the function does not call
another function at the out: label.

I'm cross compiling from a 32-bit x86 to a 32-bit PowerPC (of the 6xx/74xx 
variety).

-- 
   Summary: return value of some functions not properly set (in r3)
   Product: gcc
   Version: 3.3.2
Status: UNCONFIRMED
  Severity: critical
  Priority: P1
 Component: c
AssignedTo: unassigned at gcc dot gnu dot org
    ReportedBy: cort at fsmlabs dot com
CC: gcc-bugs at gcc dot gnu dot org
  GCC host triplet: i386-linux
GCC target triplet: ppc-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417

[Bug c/19417] return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

--- Additional Comments From cort at fsmlabs dot com  2005-01-12 23:48 
---
Created an attachment (id=7943)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7943&action=view)
non-working .i


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417

[Bug c/19417] return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

--- Additional Comments From cort at fsmlabs dot com  2005-01-12 23:48 
---
Created an attachment (id=7944)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7944&action=view)
working .i file


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417

[Bug c/19417] return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

--- Additional Comments From cort at fsmlabs dot com  2005-01-12 23:49 
---
Created an attachment (id=7945)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7945&action=view)
working .s file


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417

[Bug c/19417] return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

--- Additional Comments From cort at fsmlabs dot com  2005-01-12 23:49 
---
Created an attachment (id=7946)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=7946&action=view)
non-working .s file


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417

[Bug c/19417] return value of some functions not properly set (in r3)

[cort at fsmlabs dot com]

--- Additional Comments From cort at fsmlabs dot com  2005-01-12 23:51 
---
More info - host system info, gcc build flags and compiler flags used to
build the source files.

Script started on Wed 12 Jan 2005 03:42:36 PM MST
[EMAIL PROTECTED]$ /opt/rtldk-2.2/bin/ppc-linux-gcc -v
Reading specs from /opt/rtldk-2.2/bin/../lib/gcc-lib/ppc-linux/3.3.2/specs
Configured with: ../gcc-3.3.2/configure --prefix=/opt/rtldk-2.2/
--target=ppc-linux --enable-languages=c,c++,f77 --disable-nls
--enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit
--enable-shared --enable-c99 --host=i386-linux --enable-altivec
Thread model: posix
gcc version 3.3.2
[EMAIL PROTECTED]$ cat /etc/issue
Fedora Core release 2 (Tettnang)
Kernel \r on an \m

[EMAIL PROTECTED]$ uname -a
Linux host115.fsmlabs.com 2.4.25-rtl #18 SMP Fri May 28 16:51:21 MDT 2004 i686
i686 i386 GNU/Linux
[EMAIL PROTECTED]$ exit

Script done on Wed 12 Jan 2005 03:42:49 PM MST

built with:

/opt/rtldk-2.2/bin/ppc-linux-gcc -D__RTCORE_KERNEL__ -nostdinc -isystem
/opt/rtldk-2.2/bin/../lib/gcc-lib/ppc-linux/3.3.2/include/
-I/sys/rtlinuxpro-2.2/include/app/rtl -I/sys/rtlinuxpro-2.2/linux/include
-I/sys/rtlinuxpro-2.2/linux/arch/ppc  -I/sys/rtlinuxpro-2.2/include -Wall
-Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
-I/sys/linuxrtl-2.4-synergy-2.2/arch/ppc -fsigned-char -msoft-float -pipe
-ffixed-r2 -Wno-uninitialized -mmultiple -mstring -DMODULE --save-temps -O2  -o
kill.o -c kill.c
ppc-linux-gcc: warning: -pipe ignored because -save-temps specified



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19417