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1d458f0843
https://github.com/riscv/riscv-control-transfer-records/releases/tag/v1.0 The privileged spec v1.10 already removed the sfence.vm instruction, and the encoding of sfence.vm instruction is overlapped with the sctrclr instruction of ssctr/smctr. But since the privileged spec v1.10 already removed the sfence.vm, and we no longer support the privileged spec v1.9.1 for now, we had to remove the sfence.vm. bfd/ * elfxx-riscv.c (riscv_implicit_subsets): Imply zicsr for ssctr/smctr. (riscv_supported_std_s_ext): Added ssctr/smctr with version 1.0. (riscv_multi_subset_supports): Handle INSN_CLASS for ssctr/smctr. (riscv_multi_subset_supports_ext): Likewise. gas/ * config/tc-riscv.c (enum riscv_csr_class, riscv_csr_address): Added and handle CSR_CLASS_SSCTR and CSR_CLASS_SMCTR. (riscv_is_priv_insn): Removed SFENCE_VM check. * testsuite/gas/riscv/attribute-14e.d: Removed since sfence.vm is no longer supported since privileged spec v1.10. * testsuite/gas/riscv/attribute-14.s: Likewise. * testsuite/gas/riscv/csr-version-1p10.d: Updated for ssctr/smctr CSRs. * testsuite/gas/riscv/csr-version-1p10.l: Likewise. * testsuite/gas/riscv/csr-version-1p11.d: Likewise. * testsuite/gas/riscv/csr-version-1p11.l: Likewise. * testsuite/gas/riscv/csr-version-1p12.d: Likewise. * testsuite/gas/riscv/csr-version-1p12.l: Likewise. * testsuite/gas/riscv/csr.s: Likewise. * testsuite/gas/riscv/csr-dw-regnums.d: Likewise. * testsuite/gas/riscv/csr-dw-regnums.s: Likewise. * testsuite/gas/riscv/march-help.l: Updated for ssctr/smctr. * testsuite/gas/riscv/smctr-ssctr.d: New testcase for sctr instruction. * testsuite/gas/riscv/smctr-ssctr.s: Likewise. include/ * opcode/riscv-opc.h: Added encoding macro for sctrclr, but removed encoding macro for sfence.vm since encoding conflict. Added CSR numbers for ssctr/smctr CSRs. * opcode/riscv.h (enum riscv_insn_class): Added INSN_CLASS_SMCTR_OR_SSCTR for sctrclr. opcodes/ * riscv-opc.c (riscv_opcodes): Added sctrclr, but removed sfence.vm since encoding conflict.