From d0690f97dedc97471968ea6f6d6517cf2e7dd9f1 Mon Sep 17 00:00:00 2001 From: akr Date: Sat, 22 Jun 2013 04:12:48 +0000 Subject: * bignum.c (CLEAR_LOWBITS): Rewritten without RSHIFTX. (RSHIFTX): Removed. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41557 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- bignum.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'bignum.c') diff --git a/bignum.c b/bignum.c index 49af3016d7..7c78a3fbd8 100644 --- a/bignum.c +++ b/bignum.c @@ -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)) -- cgit v1.2.3