Ubuntu
glibc package

  1. Cosmic (18.10)
  2. Bug #1797335
  3. Comment #8

Comment 8 for bug 1797335

Revision history for this message
Adam Conrad (adconrad) wrote :

On my system, I can clearly see it selecting the sse2 implementation (there is no AVX implementation of strstr)

$ gdb ./strstr
(gdb) break strstr
Breakpoint 1 at 0x1040
(gdb) run aa
Starting program: /home/adconrad/Downloads/strstr aa

Breakpoint 1, __strstr_sse2_unaligned () at ../sysdeps/x86_64/multiarch/strstr-sse2-unaligned.S