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15 Commits

Author SHA1 Message Date
dearblue d0501c69b0 Fix MRB_TT_CPTR object with MRB_NAN_BOXING 
Previously, if `MRB_NAN_BOXING` is defined, for example,
`mrb_cptr_value()` could not keep an odd address.

If it is `MRB_32BIT`, it can be embedded in `NaN` as it is.

If it is `MRB_64BIT`, some operations are shared with `MRB_WORD_BOXING`.
In this case, the MRB_API function `mrb_nan_boxing_cptr_value()` is
defined.
 2020-04-13 23:12:09 +09:00
KOBAYASHI Shuji a53f28275e Fix MRB_FIXNUM_SHIFT with MRB_WORD_BOXING, MRB_INT32 and MRB_64BIT 
### Example

  ```ruby
  # example.rb
  max32 = 2**30 - 1 + 2**30
  min32 = -max32-1
  [max32, max32+1, min32, min32-1].each{|n| p [n, n.class]}
  ```

#### Before this patch:

  ```
  $ bin/mruby example.rb
  [2147483647, Float]
  [2147483648, Float]
  [-2147483648, Float]
  [-2147483649, Float]
  ```

#### After this patch:

  ```
  $ bin/mruby example.rb
  [2147483647, Fixnum]
  [2147483648, Float]
  [-2147483648, Fixnum]
  [-2147483649, Float]
  ```
 2019-12-01 22:09:38 +09:00
KOBAYASHI Shuji 19e2cc187b Avoid bit fields in mrb_value; ref b2c3d88f 
The changes at b2c3d88f were inappropriate because the memory layout of bit
fields are implementation defined. Therefor, I fixed it not to use bit
fields.
 2019-09-06 13:24:35 +09:00
Yukihiro "Matz" Matsumoto 1a4ea94bc7 Fix mrb_immediate_p(MRB_TT_FREE) to return false; ref #4679 2019-08-31 23:19:08 +09:00
David Siaw b5299b1c58 fix up documentation for values 2019-08-18 20:12:44 +09:00
dearblue 14133f4057 Fix macro arguments with paren 2018-12-18 23:05:36 +09:00
YAMAMOTO Masaya acdc2d1f24 Add MRB_WITHOUT_FLOAT 2017-10-11 17:58:11 +09:00
Yukihiro "Matz" Matsumoto 77331d127b Unify else clause style 2017-04-03 16:56:27 +09:00
Tomasz Dąbrowski 626648dc41 Fixed NaN boxing when MRB_INT16 is set 2016-11-26 13:05:02 +01:00
Tomasz Dąbrowski 1af9e363f2 Fixes for compiling mruby as C++ 2016-11-24 09:28:00 +09:00
Tomasz Dąbrowski 8cdaf1ed35 Fixed NaN boxing for 64-bit configrations on platforms that use full 48-bit usermode pointers 
Definition of boxed pointer is following:
`111111111111TTTT TTPPPPPPPPPPPPPP PPPPPPPPPPPPPPPP PPPPPPPPPPPPPPPP`

Previously, only the last 32-bit were set, and remaining 14 bits were zeroed when setting `ttt`.
 2016-11-21 12:37:45 +01:00
cremno 4c868a9562 remove SET_PROC_VALUE() macro 
It isn't used anymore since the #2791 merge. It's also unlikely to be
needed again as it wasn't before (its usage was unnecessary).
 2015-05-17 22:25:55 +02:00
furunkel 99a00cf417 Avoid unnecessary stores and reloads 2015-05-12 13:46:56 +02:00
Yukihiro "Matz" Matsumoto 0cf86dea0e rename SET_FIXNUM_VALUE to SET_INT_VALUE since it sets mrb_int value 2014-07-09 06:40:19 +09:00
David Turnbull 249f05e7d7 Clean up value.h and mrb_value boxing 2014-07-09 06:32:11 +09:00