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[topic-clang] Add LLVM RISC-V multi-libs #839

Merged
merged 9 commits into from
Nov 26, 2024
Merged

[topic-clang] Add LLVM RISC-V multi-libs #839

merged 9 commits into from
Nov 26, 2024

Commits on Nov 25, 2024

  1. llvm: Pull RISC-V multi-lib YAML support patch 

    This commit pulls the LLVM patch that enables `multilib.yaml` support
for the RISC-V architecture.

Note that the hard-coded RISC-V multi-lib selection logic was
unconditionally used prior to this patch.

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  2. scripts: llvm: Add RV32I multi-libs 

    This commit adds the following "common" RV32I multi-lib variants, based
on the list of the GCC RV32I multi-libs (gcc/config/riscv/t-zephyr):

rv32i_zicsr_zifencei/ilp32
rv32im_zicsr_zifencei/ilp32
rv32im_zicsr_zifencei_zba_zbb_zbc_zbs/ilp32
rv32imac_zicsr_zifencei/ilp32
rv32imafc_zicsr_zifencei/ilp32f
rv32imfc_zicsr_zifencei/ilp32f
rv32imafd_zicsr_zifencei/ilp32d
rv32if_zicsr_zifencei/ilp32f

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  3. scripts: llvm: Add RV32E multi-libs 

    This commit adds the following "common" RV32E multi-lib variants, based
on the list of the GCC RV32E multi-libs (gcc/config/riscv/t-zephyr):

rv32e_zicsr_zifencei/ilp32e
rv32em_zicsr_zifencei/ilp32e
rv32emc_zicsr_zifencei/ilp32e
rv32emc_zicsr_zifencei_zba_zbb_zbc_zbs/ilp32e
rv32emc_zicsr/ilp32e
rv32emc_zicsr_zba_zbb_zbc_zbs/ilp32e

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  4. scripts: llvm: Add RV64I multi-libs 

    This commit adds the following "common" RV64I multi-lib variants, based
on the list of the GCC RV64I multi-libs (gcc/config/riscv/t-zephyr):

rv64i_zicsr_zifencei/lp64
rv64im_zicsr_zifencei/lp64
rv64im_zicsr_zifencei_zba_zbb_zbc_zbs/lp64
rv64imac_zicsr_zifencei/lp64
rv64imac_zicsr_zifencei_zba_zbb_zbc_zbs/lp64
rv64imafdc_zicsr_zifencei/lp64d
rv64imafd_zicsr_zifencei/lp64d
rv64imfc_zicsr_zifencei/lp64f
rv64imfc_zicsr_zifencei_zba_zbb_zbc_zbs/lp64f

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  5. scripts: llvm: Disable Picolibc FP exception and rounding tests 

    LLVM compiler-rt does not currently support exceptions and rounding
modes for computations on the types that are emulated in software.

For more details, refer to the GitHub issue zephyrproject-rtos#838.

Revert this commit when this issue is fixed in the compiler-rt.

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  6. cmake: Add LLVM RISC-V target 

    This commit updates the CMake target specification to handle the RISC-V
architecture.

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  7. scripts: llvm: Add RV32I multi-lib alternate mappings 

    This commit adds the alternate RV32I multi-lib mappings, based on the
list of the GCC RV32I multi-lib mappings (gcc/config/riscv/t-zephyr).

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  8. scripts: llvm: Add RV32E multi-lib alternate mappings 

    This commit adds the alternate RV32E multi-lib mappings, based on the
list of the GCC RV32E multi-lib mappings (gcc/config/riscv/t-zephyr).

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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  9. scripts: llvm: Add RV64I multi-lib alternate mappings 

    This commit adds the alternate RV64I multi-lib mappings, based on the
list of the GCC RV64I multi-lib mappings (gcc/config/riscv/t-zephyr).

Signed-off-by: Stephanos Ioannidis <[email protected]>
    @stephanosio
    stephanosio committed Nov 25, 2024
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