[Bug tree-optimization/82518] [8 regression] gfortran.fortran-torture/execute/in-pack.f90 fails on armeb since r252917

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82518

--- Comment #22 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
(In reply to Nick Clifton from comment #21)
> Hi Aldy,
> 
> >>> instruction. :-(  Looking at the code in Handle_Store_Double() in 
> >>> sim/arm/armemu.c, I think that the reason is probably because the address
> >>> for the store is not double word aligned.  Which leads me to wonder,
> >>> what value is stored in r5 when the STRD instruction is being executed ?
> 
> 
> >> => 0x8c24 <initialise_monitor_handles+156>:     strd    r2, [r5, #12]
> >> (gdb) info reg r5
> >> r5             0x1b6e8  112360
> 
> >> ...which is 64 bit aligned.
> 
> But, as you have just discovered, (r5 + 12) is not 64-bit aligned...

But from ARMv7 onwards it only has to be 4-byte aligned, which it is.  And this
code was build for cortex-a9, which is ARMv7-a.