[all-commits] [llvm/llvm-project] cace47: [clang][AArch64] multilib: fix deduction of "-marc...

[Dominik Wójt via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cace477c0b6c3d9494ead66eb725c6e72f27b767
      https://github.com/llvm/llvm-project/commit/cace477c0b6c3d9494ead66eb725c6e72f27b767
  Author: Dominik Wójt <dominik.wojt at arm.com>
  Date:   2024-02-26 (Mon, 26 Feb 2024)

  Changed paths:
    M clang/lib/Driver/ToolChain.cpp
    M clang/test/Driver/print-multi-selection-flags.c

  Log Message:
  -----------
  [clang][AArch64] multilib: fix deduction of "-march=" option (#81474)

The deduced "-march=" option always started with aarch64, which is not a
valid value. There was also no way to distinguish between armv8-r and
armv8-a. After this commit, the deduced "-march=" option will start with
greatest available "armv*-a" value or "armv8-r".



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