On 03/02/2012 12:27 PM, Oleg Endo wrote:
> +   This value is used by optabs.c atomic op expansion code as well as in 
> +   sync.md.  It must be defined as signed char here or else the movqi
> +   pattern will refuse to load it as a QImode constant.  */
> +#define TARGET_ATOMIC_TEST_AND_SET_TRUEVAL ((signed char)0x80)

The fix to use gen_mode_int obviates the need for the (signed char) hack.


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