[all-commits] [llvm/llvm-project] 3d6c49: [RISCV] Fix ILP32D lowering for double+double/doub...

[James Clarke via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d6c492d7a9830a1a39b85dfa215743581d52715
      https://github.com/llvm/llvm-project/commit/3d6c492d7a9830a1a39b85dfa215743581d52715
  Author: James Clarke <jrtc27 at jrtc27.com>
  Date:   2020-01-14 (Tue, 14 Jan 2020)

  Changed paths:
    M clang/lib/CodeGen/TargetInfo.cpp
    M clang/test/CodeGen/riscv32-ilp32d-abi.c

  Log Message:
  -----------
  [RISCV] Fix ILP32D lowering for double+double/double+int return types

Summary:
Previously, since these aggregates are > 2*XLen, Clang would think they
were being returned indirectly and thus would decrease the number of
available GPRs available by 1. For long argument lists this could lead
to a struct argument incorrectly being passed indirectly.

Reviewers: asb, lenary

Reviewed By: asb, lenary

Subscribers: luismarques, rbar, johnrusso, simoncook, apazos, sabuasal, niosHD, kito-cheng, shiva0217, zzheng, edward-jones, rogfer01, MartinMosbeck, brucehoult, the_o, rkruppe, PkmX, jocewei, psnobl, benna, Jim, lenary, s.egerton, pzheng, sameer.abuasal, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D69590