[4.7][SH] Binary compatibility with atomic_test_and_test_trueval != 1

[Richard Henderson]

On 03/02/2012 10:11 AM, Richard Henderson wrote:
> I'm in the process of sanity testing this on x86_64 with trueval set to 0x80.
> Jakub, ok for 4.7 branch if it passes?
> 
> 	* optabs.c (expand_atomic_test_and_set): Honor
> 	atomic_test_and_set_trueval even when atomic_test_and_set
> 	optab is not in use.

I've committed this patch to mainline.  I still think it ought to 
go onto the 4.7 branch...


r~