[all-commits] [llvm/llvm-project] b8b505: [AVR] Fix 16-bit LDDs with immediate overflows (#1...

[Patryk Wychowaniec via All-commits]

  Branch: refs/heads/release/19.x
  Home:   https://github.com/llvm/llvm-project
  Commit: b8b5050279e6c586e8dd7851ebf11139a40e6644
      https://github.com/llvm/llvm-project/commit/b8b5050279e6c586e8dd7851ebf11139a40e6644
  Author: Patryk Wychowaniec <pwychowaniec at pm.me>
  Date:   2024-09-24 (Tue, 24 Sep 2024)

  Changed paths:
    M llvm/lib/Target/AVR/AVRISelDAGToDAG.cpp
    A llvm/test/CodeGen/AVR/ldd-immediate-overflow.ll
    A llvm/test/CodeGen/AVR/std-immediate-overflow.ll

  Log Message:
  -----------
  [AVR] Fix 16-bit LDDs with immediate overflows (#104923)

16-bit loads are expanded into a pair of 8-bit loads, so the maximum
offset of such 16-bit loads must be 62, not 63.

(cherry picked from commit c7a4efa4294789b1116f0c4a320c16fcb27cb62c)



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