[Bug rtl-optimization/19005] New: [3.4 regression] Error: bad register name `%sil'

["debian-gcc at lists dot debian dot org" <gcc-bugzilla at gcc dot gnu dot org>]

[forwarded from http://bugs.debian.org/285695]

works with 3.3 CVS 20041215, HEAD 200401212, fails with 3.4 CVS 20041215,
binutils-2.15.

$ gcc -O foo.c
/tmp/cc68I7Tr.s: Assembler messages:
/tmp/cc68I7Tr.s:26: Error: bad register name `%sil'


#include <stdio.h>

int main( int nb, char *argv[] )
{
  unsigned char a = nb, b = nb + 1;

  printf("a = %d - b = %d\n", a, b);
  a ^= b; b ^= a; a ^= b;
  printf("a = %d - b = %d\n", a, b);
  return 0;
}

-- 
           Summary: [3.4 regression] Error: bad register name `%sil'
           Product: gcc
           Version: 3.4.4
            Status: UNCONFIRMED
          Severity: critical
          Priority: P2
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: debian-gcc at lists dot debian dot org
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i486-linux
  GCC host triplet: i486-linux
GCC target triplet: i486-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19005