-
Enhancement
-
Resolution: Fixed
-
P4
-
1.4.0, 1.4.1, 5.0
-
tiger
-
generic, x86, sparc
-
generic, solaris_7, windows_2000
Name: bsC130419 Date: 08/23/2001
Java adds the arithmetic shift operator, but roll and count leading zeros would
be very nice intrinsic routines (bytecodes anyone). These are very important
for bit-twidling, and have fast processor-specific equivalents on most
processors.
(Review ID: 130571)
======================================================================
- duplicates
-
JDK-4823675 Methods for ultra-fast bit manipulation (rotate, count bits, find bit, DSP etc.)
-
- Closed
-
-
JDK-4967876 provide bit-count method for int/long
-
- Closed
-
-
JDK-4736393 Please promote BigInteger.bitCnt to Integer or Math and make it public
-
- Closed
-
- relates to
-
JDK-4900166 static fields in java.lang wrappers for byte sizes (useful for NIO buffers)
-
- Resolved
-
-
JDK-4850194 (C1) Intrinsics for operations used in crypto
-
- Closed
-
-
JDK-4210457 Package literals? EG: Integer.NUMBEROFBITS
-
- Closed
-
(1 relates to)