[gold patch] Add inlined fast path for LEB128 routines

[Ian Lance Taylor]

Cary Coutant <ccoutant@google.com> writes:

> 2012-01-24  Cary Coutant  <ccoutant@google.com>
>
> 	* int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
> 	definition and ...
> 	(read_unsigned_LEB_128_x): ... this new function.
> 	(read_signed_LEB_128): Replaced with inline definition and ...
> 	(read_signed_LEB_128_x): ... this new function.
> 	* int_encoding.h  (read_unsigned_LEB_128_x): New function.
> 	(read_unsigned_LEB_128): Add inline definition.
> 	(read_signed_LEB_128_x): New function.
> 	(read_signed_LEB_128): Add inline definition.
> 	* testsuite/Makefile.am (leb128_unittest): New unit test.
> 	* testsuite/Makefile.in: Regenerate.
> 	* testsuite/leb128_unittest.cc: New unit test.

> +  if (byte & 0x80)
> +    return read_unsigned_LEB_128_x(buffer, plen, byte);

Write ((byte & 0x80) != 0)

> +  if (byte & 0x80)
> +    return read_signed_LEB_128_x(buffer, plen, byte);

Here too.

This is OK with those changes.

Thanks.

Ian