[Bug inline-asm/16194] New: [3.4/3.5 Regression] In case of H8/300 target, internal compiler error (ICE): asm clobber conflict with output operand

["prafullat at kpitcummins dot com" <gcc-bugzilla at gcc dot gnu dot org>]

Hi,

GCC-3.5 snapshot dated 20.06.2004 gives an ICE (Internal Compiler Error) for 
following code when compiled with options -ms for H8/300 targets. This bug was 
there in Released GCC version 3.4.

bug.c
*************************************************************
void bug(char* dst) 
{ 
	register char* _dst __asm ("er6"); 
	__asm__ ("eepmov.b":"=g"(*_dst)::"r4","er5","er6"); 
}
*************************************************************
$h8300-elf-gcc -ms bug.c
bug.c: In function `bug':
bug.c:5: internal compiler error: asm clobber conflict with output operand
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

I have already posted this bug on gcc mailing list. 
Please refer to http://gcc.gnu.org/ml/gcc/2004-05/msg00690.html for two 
postings related to this bug.

Regards,
Prafulla Thakare,
KPIT Cummins InfoSystems Ltd.
Pune, India

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Free download of GNU based tool-chains for Renesas' SH and H8 Series.
The following site also offers free technical support to its users. 
Visit http://www.kpitgnutools.com for details. 
Latest versions of KPIT GNU tools are released on June 1, 2004.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-- 
           Summary: [3.4/3.5 Regression] In case of H8/300 target, internal
                    compiler error (ICE): asm clobber conflict with output
                    operand
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: inline-asm
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: prafullat at kpitcummins dot com
                CC: gcc-bugs at gcc dot gnu dot org,prafullat at kpitcummins
                    dot com
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: h8300-unknown-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16194