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README.loongarch64
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README.loongarch64
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Status
~~~~~~
A port to LoongArch64 Linux platform.
Some new IROps:
* Iop_ScaleBF64
* Iop_ScaleBF32
* Iop_RSqrtF64
* Iop_RSqrtF32
* Iop_LogBF64
* Iop_LogBF32
* Iop_MaxNumAbsF64
* Iop_MinNumAbsF64
* Iop_MaxNumF32
* Iop_MinNumF32
* Iop_MaxNumAbsF32
* Iop_MinNumAbsF32
* Iop_Max64Sx4
* Iop_Max64Ux4
* Iop_Min64Sx4
* Iop_Min64Ux4
* Iop_RoundF64x2_RM
* Iop_RoundF64x2_RP
* Iop_RoundF64x2_RN
* Iop_RoundF64x2_RZ
* Iop_WidenHIto16Sx8
* Iop_WidenHIto32Sx4
* Iop_WidenHIto64Sx2
* Iop_WidenHIto128Sx1
* Iop_WidenHIto16Ux8
* Iop_WidenHIto32Ux4
* Iop_WidenHIto64Ux2
* Iop_WidenHIto128Ux1
A new IRMBusEvent:
* Imbe_InsnFence
A new IRJumpKind:
* Ijk_SigSYS
Limitations
~~~~~~~~~~~
* Only the fallback LLSC implementation is supported.
* Not all vector instructions are supported.
* Tests need to be added for vector instructions.
Reading Material
~~~~~~~~~~~~~~~~
* LoongArch Reference Manual
https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
* LoongArch ELF ABI specification:
https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html
* LoongArch Toolchain Conventions:
https://loongson.github.io/LoongArch-Documentation/LoongArch-toolchain-conventions-EN.html