[all-commits] [llvm/llvm-project] ee779d: [SPARC] use `divideCeil` to calculate register off...

[Folkert de Vries via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ee779de847774cc935ec089ebb6185c790aedcf7
      https://github.com/llvm/llvm-project/commit/ee779de847774cc935ec089ebb6185c790aedcf7
  Author: Folkert de Vries <folkert at folkertdev.nl>
  Date:   2026-08-05 (Wed, 05 Aug 2026)

  Changed paths:
    M clang/include/clang/CodeGen/CGFunctionInfo.h
    M clang/lib/CodeGen/Targets/Sparc.cpp
    M clang/test/CodeGen/Sparc/sparcv9-abi.c

  Log Message:
  -----------
  [SPARC] use `divideCeil` to calculate register offset (#213739)

So that later arguments get the correct register alignment

https://godbolt.org/z/oaEf4Thvx

On current clang the aligned struct starts in `o1`, but with GCC it is
aligned and starts in `o2`. In practice I think only `float` could hit
this (not an int, not an aggregate, smaller than 64 bits).



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