[Bug middle-end/57134] New: ICE with -mstrict-align and inline assembly on ppc64

["anton at samba dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57134

             Bug #: 57134
           Summary: ICE with -mstrict-align and inline assembly on ppc64
    Classification: Unclassified
           Product: gcc
           Version: 4.9.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: anton@samba.org


Created attachment 29987
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29987
Testcase that ICE's with -mstrict-align on ppc64

The following testcase passes on a ppc64 4.7.2 build but fails on a 4.9.0
20130501 build:

# gcc -m64 -O2 -S -mstrict-align testcase.c

testcase.c: In function 'rb_remove_pages':
testcase.c:16:2: internal compiler error: in expand_asm_operands, at stmt.c:910
  __asm__ __volatile__("# %0,%1" : "=r"(t) : "m"(v->counter));
  ^
0x10604437 expand_asm_operands
        ../../gcc/gcc/stmt.c:910
0x10604b3b expand_asm_stmt(gimple_statement_d*)
        ../../gcc/gcc/stmt.c:1151
0x1022f357 expand_gimple_stmt_1
        ../../gcc/gcc/cfgexpand.c:2154
0x1022f357 expand_gimple_stmt
        ../../gcc/gcc/cfgexpand.c:2309
0x10230b77 expand_gimple_basic_block
        ../../gcc/gcc/cfgexpand.c:4143
0x10233f7b gimple_expand_cfg
        ../../gcc/gcc/cfgexpand.c:4662
Please submit a full bug report,