x86: Use `testb` for case-locale check in str{n}casecmp-avx2
authorNoah Goldstein <goldstein.w.n@gmail.com>
Thu, 20 Oct 2022 02:13:35 +0000 (19:13 -0700)
committerNoah Goldstein <goldstein.w.n@gmail.com>
Thu, 20 Oct 2022 18:29:05 +0000 (11:29 -0700)
commitb6d02d64570e83bedfdb946cb1bdf0c9fd6d3eb0
tree8c536a32d39962380bdcf282430018d2c0a7016b
parent5ce9766417782c1b57f239451d0400f1229e83f7
x86: Use `testb` for case-locale check in str{n}casecmp-avx2

`testb` saves a bit of code size is the imm-operand can be encoded
1-bytes.

Tested on x86-64.
sysdeps/x86_64/multiarch/strcmp-avx2.S