[Bug target/47988] New: ICE: in reload_cse_simplify_operands, at postreload.c:403: insn does not satisfy its constraints

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47988

           Summary: ICE: in reload_cse_simplify_operands, at
                    postreload.c:403: insn does not satisfy its
                    constraints
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz
              Host: x86_64-pc-linux-gnu
            Target: x86_64-pc-linux-gnu


Created attachment 23542
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23542
reduced testcase

Compiler output:
$ gcc -O2 -fira-algorithm=priority -fpeel-loops -fno-split-wide-types
-fno-tree-ter testcase.f90
testcase.f90: In function 'test':
testcase.f90:20:0: error: insn does not satisfy its constraints:
(insn 614 613 615 38 (set (reg:TI 44 r15 [orig:248 D.1840 ] [248])
        (mem/c:TI (reg/f:DI 7 sp) [0 S16 A128])) testcase.f90:16 60
{*movti_internal_rex64}
     (nil))
testcase.f90:20:0: internal compiler error: in reload_cse_simplify_operands, at
postreload.c:403
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Two files from the testsuite fail the same way, with the same flags:
gfortran.dg/cshift_large_1.f90
gfortran.dg/eoshift_large_1.f90

Tested revisions:
r170622 - crash
4.5 r170013 - OK