glibc/sysdeps/alpha/string-shift.h, branch vdsoFork of glibc for developmenthttps://git.zx2c4.com/glibc/atom/sysdeps/alpha/string-shift.h?h=vdso2024-01-01T18:53:40ZUpdate copyright dates with scripts/update-copyrights2024-01-01T18:53:40ZPaul Eggerteggert@cs.ucla.edu2024-01-01T18:12:26Zurn:sha1:dff8da6b3e89b986bb7f6b1ec18cf65d5972e307alpha: Add string-fza, string-fzb.h, string-fzi.h, and string-shift.h2023-02-06T19:19:35ZRichard Hendersonrichard.henderson@linaro.org2023-01-10T21:01:03Zurn:sha1:120ad6ed1ae72ed8bf46638c5a7bf6c3b239d4dc
While alpha has the more important string functions in assembly,
there are still a few for find the generic routines are used.
Use the CMPBGE insn, via the builtin, for testing of zeros. Use a
simplified expansion of __builtin_ctz when the insn isn't available.
Checked on alpha-linux-gnu.
Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>