On Fri, 26 Apr 2013 15:51:05 +1000 Stephen Rothwell
wrote:
> Hi,
>
> On Fri, 26 Apr 2013 14:02:01 +0900 "Chanho Min" wrote:
> >
> >
> > @@ -0,0 +1,23 @@
> > +#include
> > +
> > +int __attribute__((weak)) __clzsi2(int val)
>
> We have __weak in
And lib/clz.c needs a few more includes, for
Hi,
On Fri, 26 Apr 2013 14:02:01 +0900 "Chanho Min" wrote:
>
>
> @@ -0,0 +1,23 @@
> +#include
> +
> +int __attribute__((weak)) __clzsi2(int val)
We have __weak in
--
Cheers,
Stephen Rothwells...@canb.auug.org.au
pgp21BCDTqop1.pgp
Description: PGP signature
>> gcc seems to define __builtin_clz as __clzsi2 in some architecture.
>> But, kernel doesn't link libgcc.a.
>> If kernel should use gcc's built-in function without libgcc.a,
>> do we need to port __clzsi2 to 'arch/*/lib/*'?
>
>This breaks alpha (gcc-4.4.4) as well. Can we please get this fixed
>
On Mon, 22 Apr 2013 18:22:18 +0900 "Chanho Min" wrote:
> >> +#define HTYPE const u8*
> >> +
> >> +#ifdef __BIG_ENDIAN
> >> +#define LZ4_NBCOMMONBYTES(val) (__builtin_clz(val) >> 3)
> >> +#else
> >> +#define LZ4_NBCOMMONBYTES(val) (__builtin_ctz(val) >> 3)
> >> +#endif
> >
> >It seems at least m68
On Mon, 22 Apr 2013 11:24:21 +0200 Geert Uytterhoeven
wrote:
> On Mon, Apr 22, 2013 at 11:22 AM, Chanho Min wrote:
> >>> +#define HTYPE const u8*
> >>> +
> >>> +#ifdef __BIG_ENDIAN
> >>> +#define LZ4_NBCOMMONBYTES(val) (__builtin_clz(val) >> 3)
> >>> +#else
> >>> +#define LZ4_NBCOMMONBYTES(val)
On Mon, Apr 22, 2013 at 11:22 AM, Chanho Min wrote:
>>> +#define HTYPE const u8*
>>> +
>>> +#ifdef __BIG_ENDIAN
>>> +#define LZ4_NBCOMMONBYTES(val) (__builtin_clz(val) >> 3)
>>> +#else
>>> +#define LZ4_NBCOMMONBYTES(val) (__builtin_ctz(val) >> 3)
>>> +#endif
>>
>>It seems at least m68k and sparc d
On Thu, Mar 14, 2013 at 10:48 AM, Chanho Min wrote:
> +#ifdef __BIG_ENDIAN
> +#define LZ4_NBCOMMONBYTES(val) (__builtin_clzll(val) >> 3)
> +#else
> +#define LZ4_NBCOMMONBYTES(val) (__builtin_ctzll(val) >> 3)
> +#endif
>
> #else /* 32-bit */
> #define STEPSIZE 4
> @@ -83,6 +130,14 @@ typedef str
This patch adds support for LZ4 compression in the Linux Kernel.
LZ4 Compression APIs for kernel are based on LZ4 implementation
by Yann Collet and changed with kernel coding style.
LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
LZ4 source repository : http://code.google.com/p/lz4/
