[all-commits] [llvm/llvm-project] 9cc7ee: [Mips] Support llvm.readcyclecounter intrinsic (#1...

[yingopq via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9cc7ee16e3bb849fb3c0155a843bfe349a2d2175
      https://github.com/llvm/llvm-project/commit/9cc7ee16e3bb849fb3c0155a843bfe349a2d2175
  Author: yingopq <115543042+yingopq at users.noreply.github.com>
  Date:   2025-02-11 (Tue, 11 Feb 2025)

  Changed paths:
    M llvm/lib/Target/Mips/MipsISelLowering.cpp
    M llvm/lib/Target/Mips/MipsISelLowering.h
    A llvm/test/CodeGen/Mips/readcyclecounter.ll

  Log Message:
  -----------
  [Mips] Support llvm.readcyclecounter intrinsic (#114953)

The llvm.readcyclecounter intrinsic can be implemented via the `rdhwr
$3, $hwr_cc` instruction.
$hwr_cc: High-resolution cycle counter. This register provides read
access to the coprocessor 0 Count Register.

Fix #106318.



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