c/1827: ICE in `reverse_condition' or segfault depending on version

[etienne_lorrain@yahoo.fr]

>Number:         1827
>Category:       c
>Synopsis:       ICE in `reverse_condition' or segfault depending on version
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Feb 01 04:06:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Etienne LORRAIN
>Release:        unknown-1.0
>Organization:
>Environment:
i386, gcc-2.95.3-pre2 or
gcc version 2.97 20010120 (experimental)

>Description:
Use of "%c0" in asm() when variable input, for instance in:

extern inline void gpokeb (unsigned offset,
                           unsigned char value)
  {
  asm volatile (" movb %c0,%%gs:%a1 "
                : : "qi" (value), "g" (offset));
  }

unsigned char dummy, val;

void fct (void)
  {
  gpokeb ((unsigned)&dummy, val);
  }
>How-To-Repeat:
http://www.codesourcery.com/gcc-compile.shtml
Compil option: -O
Language CC
See Compiler messages
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: