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Differential D23521

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

Reviewers
mhorne
jrtc27
Commits
rS357643: Tidy the _set_tp function for RISC-V.
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

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Build Status
Buildable 29190
Build 27121: arc lint + arc unit

Revision Contents
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PathSize
lib/
libc/
riscv/
gen/
7 lines

Diff 67835

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lib/libc/riscv/gen/_set_tp.c

  • This file was added.
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