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* bignum.c (CLEAR_LOWBITS): Rewritten without RSHIFTX.

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(RSHIFTX): Removed.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-06-22 04:12:48 +00:00
parent 654a40a33a
commit d0690f97de
2 changed files with 6 additions and 2 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Sat Jun 22 13:07:15 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (CLEAR_LOWBITS): Rewritten without RSHIFTX.
(RSHIFTX): Removed.
Sat Jun 22 10:38:03 2013 Tanaka Akira <akr@fsij.org>
* pack.c (num2i32): Removed.

3
bignum.c
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@ -40,8 +40,7 @@ static VALUE big_three = Qnil;
#endif
#define ALIGNOF(type) ((int)offsetof(struct { char f1; type f2; }, f2))
#define LSHIFTX(d, n) (sizeof(d) * CHAR_BIT <= (n) ? 0 : ((d) << (sizeof(d) * CHAR_BIT <= (n) ? 0 : (n))))
#define RSHIFTX(d, n) (sizeof(d) * CHAR_BIT <= (n) ? ~((d)*0) : RSHIFT((d), (sizeof(d) * CHAR_BIT <= (n) ? 0 : (n))))
#define CLEAR_LOWBITS(d, numbits) LSHIFTX(RSHIFTX((d), (numbits)), (numbits))
#define CLEAR_LOWBITS(d, numbits) ((d) & LSHIFTX(~((d)*0), (numbits)))
#define FILL_LOWBITS(d, numbits) ((d) | (LSHIFTX(((d)*0+1), (numbits))-1))
#define BDIGITS(x) (RBIGNUM_DIGITS(x))