[Bug rtl-optimization/81501] mulitple calls to __tls_get_addr() with -fPIC

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81501

--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 53473
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53473&action=edit
A patch

This patch uses a single UNSPEC_TLS_LD_BASE in the whole function.