diff options
author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-22 00:56:53 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-22 00:56:53 +0000 |
commit | afb03d16464599102b65b5d6da8622fa6e25ee1e (patch) | |
tree | e1d6e0198ae2a77c9ee850023b0034d86ccab7e3 /bignum.c | |
parent | c816f90e765b858e8b83dd249ed67e8cd90419b3 (diff) | |
download | ruby-afb03d16464599102b65b5d6da8622fa6e25ee1e.tar.gz |
* bignum.c (LSHIFTX): Defined to suppress a warning.
(RSHIFTX): Ditto.
(CLEAR_LOWBITS): Use LSHIFTX and RSHIFTX.
(FILL_LOWBITS): Use LSHIFTX.
Reported by ko1 via IRC.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41554 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -39,8 +39,10 @@ static VALUE big_three = Qnil; # define HOST_BIGENDIAN_P 0 #endif #define ALIGNOF(type) ((int)offsetof(struct { char f1; type f2; }, f2)) -#define CLEAR_LOWBITS(d, numbits) (sizeof(d) * CHAR_BIT <= (numbits) ? 0 : ((d) >> (numbits)) << (numbits)) -#define FILL_LOWBITS(d, numbits) (sizeof(d) * CHAR_BIT <= (numbits) ? ~((d)*0) : (d) | ((((d)*0+1) << (numbits))-1)) +#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 FILL_LOWBITS(d, numbits) ((d) | (LSHIFTX(((d)*0+1), (numbits))-1)) #define BDIGITS(x) (RBIGNUM_DIGITS(x)) #define BITSPERDIG (SIZEOF_BDIGITS*CHAR_BIT) |