Re: [Qemu-devel] [PATCH v3 21/26] tcg-aarch64: Introduce tcg_out_insn_3507

[Richard Henderson]

On 04/09/2014 05:54 AM, Claudio Fontana wrote:
> During testing I found this patch causes a regression for big endian targets 
> (sparc).
> 
> Can you take a look?
> I think it might be related to the extended form of the REV instruction 
> needing
> an additional 0x400. See below.

You're right.  It's disassembling as "rev32 x0, x0".

Bizzarely, sparc32 bios was working.  I guess it only uses 64-bit load/store
for ldd/std for register pair save and restore.  And since we rev'ed them the
same way for load/store, it worked.

Uploading a full mipseb system image to test now.


r~