[Bug target/53038] New: cfi_restore for cr before cr is actually restored

[amodra at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53038

             Bug #: 53038
           Summary: cfi_restore for cr before cr is actually restored
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: amo...@gmail.com


void s_c (void)
{
  char a[33];
  __asm __volatile ("#%0" : "=m" (a) : : "cr2");
}

compiled with -m32 -O2 -g gives this epilogue

        lwz 12,76(1)
        addi 1,1,80
        .cfi_restore 70
        .cfi_def_cfa_offset 0
        mtcrf 32,12
        blr