Hello Mike Stump,

Thanks for your comment.
I'll remove all of redundant code for this target.

I wonder that what paper is?
Is it an introduction about new feature in our target?

On Wed, Jan 27, 2016 at 5:53 AM, Mike Stump <mikest...@comcast.net> wrote:
> I don’t see the point of libgcc/config/vn8/test.patch.  I suspect either you 
> need to apply it to your diffs before you send them out, or remove the file a 
> junk from the diff set.
>
> I saw:
>
>   inflating: libgcc/config/vn8/lib1funcs-fixed.S
>   inflating: libgcc/config/vn8/lib1funcs-fixed.S.old
>   inflating: libgcc/config/vn8/lib1funcs.S
>   inflating: libgcc/config/vn8/lib1funcs.S.old
>
> and suspect the .old files are old, and aren’t used by the build.  If so, 
> they can be removed.
>
> I saw:
>
>   inflating: gcc/config/vn8/vn8.md.bak
>   inflating: gcc/config/vn8/vn8.md.bk
>   inflating: gcc/config/vn8/t-vn8.bak
>
> and suspect these aren’t needed (or are badly named) and should be removed.
>
> I glanced at the non-port files, and all that code looks fine.
>
>> I used gcc-4.9.0 version for new port.
>
> So, you will want to check out a copy of the compiler from git or svn.  You 
> will want to do this checkout from the trunk.  You then want to apply your 
> patch set to it, and build and test it, fixing any issues that arise, and 
> then contribute that.  The patch set you sent would be a back port to a 
> release branch, if any, and would come after the port is accepted into trunk.
>
>> //          output_addr_const (stderr, addr);
>> //          fprintf(stderr,"\n”);
>> //          rtx temp_rtx = XEXP(XEXP(x,0),0);
>
> It is now time to figure out what to do with this code.  If you like it and 
> want to keep it, instead do:
>
> #define PORTDEBUGGING 0
>
>   if (PORTDEBUGGING)
>     {
>     }
>
> and turn it into normal code.
>
>> #if 0
>> ADJUST_BYTESIZE (QI, 1);
>> ADJUST_BYTESIZE (HI, 1);
>> ADJUST_BYTESIZE (SI, 2);
>> ADJUST_BYTESIZE (PSI, 3);
>> ADJUST_BYTESIZE (DI, 4);
>> ADJUST_BYTESIZE (TI, 8);
>> #endif // 1
>
> You should just remove the whole block.
>
>
> I’d recommend fixing all the above and reposting.  Someone else will do a 
> more in depth port review and comment further.
>
> If you don’t have your paper work done, you will want to start up that 
> process now.  The port can’t go into the compiler without it.
>
>
>
> One last comment, while you wait for the review of the port code, you should 
> consider your FIXMEs and decide if there is any progress you can make on them.
>
> ./gcc/config/vn8/vn8.c:  /* FIXME: For setjmp and in 
> vn8_builtin_setjmp_frame_value we don't know
> ./gcc/config/vn8/vn8.c:  /* FIXME:  Non-generic addresses are not 
> mode-dependent in themselves.
> ./gcc/config/vn8/vn8.c:      /* FIXME: We ship info on failing tail-call in 
> struct machine_function.
> ./gcc/config/vn8/vn8.c:      /* FIXME: For OS_task and OS_main, this might be 
> over-conservative.  */
> ./gcc/config/vn8/vn8.c:  /* FIXME: Ideally, the following test is not needed.
> ./gcc/config/vn8/vn8.c:  /* FIXME: This hook gets called with MODE:REGNO 
> combinations that don't
> ./gcc/config/vn8/vn8.c:     FIXME: Filter out cases where the target object 
> is known to
> ./gcc/config/vn8/vn8.c:  /* FIXME: Register allocator might come up with 
> spill fails if it is left
> ./gcc/config/vn8/vn8.c:  /* FIXME: Register allocator does a bad job and 
> might spill address



-- 
Thanks & Best regards
Nguyễn Sinh Ngọc
Software Department
IC Design & Research Education Center
Email: ngoc.nguyens...@icdrec.edu.vn
Cell Phone: +84 (0)974117946

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