Patch: new langhook for PRs 6005 and 7611

[Richard Henderson]

On Sat, Aug 17, 2002 at 08:17:49PM -0600, Tom Tromey wrote:
> 	For PR java/6005 and PR java/7611:
> 	* fold-const.c (fold_truthop): Use can_use_bit_fields_p.
> 	(fold): Likewise.
> 	* langhooks.c (lhd_can_use_bit_fields_p): New function.
> 	* langhooks-def.h (lhd_can_use_bit_fields_p): Declare.
> 	(LANG_HOOKS_CAN_USE_BIT_FIELDS_P): New define.
> 	(LANG_HOOKS_INITIALIZER): Use it.
> 	* langhooks.h (struct lang_hooks) [can_use_bit_fields_p]: New
> 	field.

I guess this is ok for now.  I'd much prefer this optimization
were done later, and not in fold at all.  Perhaps something to
be addressed on tree-ssa-branch...


r~