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Tidy the _set_tp function for RISC-V.
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Authored by jhb on Feb 5 2020, 9:58 PM.
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Details

Summary
  • Use a constant for the offset instead of a magic number.
  • Use an addi instruction that writes to tp directly instead of a mv that writes the result of a compiler-generated addi.
Test Plan
  • booted a new world in qemu, ran /usr/tests/lib/libc/tls/* tests

Diff Detail

Repository
rS FreeBSD src repository - subversion
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