D-Programming-Language/dmd — pull request #440 by donc (2011-10-08 22:13:03+00:00)
Title: 5703 support bsr, bsf, bswap in CTFE

Also lays the groundwork for supporting the std.math intrinsic and asm functions in CTFE (only the bit operations are implemented in this pull request).

5703 std.intrinsic. and core.bitop.bsf, bsr and bswap should be CTFE-able