[Bug target/39592] New: [4.5 regression] Revision 145272 breaks -ansi -march=core2

[hjl dot tools at gmail dot com]

Revision 145272:

http://gcc.gnu.org/ml/gcc-cvs/2009-03/msg00779.html

caused:

[hjl@gnu-33 gcc]$ cat /tmp/x.i
double
foo (unsigned long var)
{
  return var;
}
[hjl@gnu-33 gcc]$  ./xgcc -B./ -m32 -S -ansi /tmp/x.i
[hjl@gnu-33 gcc]$  ./xgcc -B./ -m32 -S -ansi /tmp/x.i -march=core2
/tmp/x.i: In function ‘foo’:
/tmp/x.i:5: error: unrecognizable insn:
(insn 23 22 16 2 /tmp/x.i:4 (set (reg:DF 8 st [orig:58 D.1245 ] [58])
        (float:DF (mem/c:DI (plus:SI (reg/f:SI 6 bp)
                    (const_int -8 [0xfffffffffffffff8])) [0 S8 A64]))) -1
(nil))
/tmp/x.i:5: internal compiler error: in extract_insn, at recog.c:2048
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[hjl@gnu-33 gcc]$


-- 
           Summary: [4.5 regression] Revision 145272 breaks -ansi -
                    march=core2
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: hjl dot tools at gmail dot com
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39592