This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: RX: 4.5 branch: Fix alignment and addressing issues.

On Mar 17, 2011, at 5:31 AM, Nick Clifton wrote:
>> You can set up the correct length even without using separate patterns.
> 
> The problem is

And why is that a problem?  You get to write arbitrarily complex C code that can depend upon insn and operands.  I presume that you can do that.

See:

   (set (attr "length") (symbol_ref "arm_attr_length_move_neon (insn)"))])

from arm, for example.
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]