[PATCH] D67508: [RISCV] support mutilib in baremetal environment

[Sam Elliott via Phabricator via cfe-commits]

lenary added a comment.

Please can you rebase these changes? Something has changed in RISCVToolchain.cpp and they are failing to build.

Q: Is there a plan to support multilib aliases (`MULTILIB_REUSE`)? I'm happy for this to be in a follow-up patch, would just like to know the plan.



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Comment at: clang/lib/Driver/ToolChains/Gnu.cpp:1521
+      {"rv32i", "ilp32"},    {"rv32im", "ilp32"},     {"rv32iac", "ilp32"},
+      {"rv32imac", "ilp32"}, {"rv32imafc", "ilp32f"}, {"rv64i", "lp64"},
+      {"rv64imac", "lp64"},  {"rv64imafdc", "lp64d"}};
----------------
I cannot see `march=rv64i/mabi=lp64` in [[ https://github.com/riscv/riscv-gcc/blob/ed3f6ec/gcc/config/riscv/t-elf-multilib | riscv-gcc t-elf-multilib ]] (the given sha is pulled from `.gitmodules` in riscv-gcc-toolchain. 


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  https://reviews.llvm.org/D67508/new/

https://reviews.llvm.org/D67508