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Avoid the tier-1 JIT compiler from translating RV32F and RV32A
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@qwe661234
qwe661234 committed Dec 15, 2023
1 parent 3aa197b commit 03cdb98
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Showing 5 changed files with 181 additions and 159 deletions.
292 changes: 146 additions & 146 deletions src/decode.h
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Original file line number Diff line number Diff line change
Expand Up @@ -29,153 +29,153 @@ enum op_field {
#define ENC(...) ENC_GEN(ENC, COUNT_VARARGS(__VA_ARGS__))(__VA_ARGS__)

/* RISC-V instruction list in format _(instruction-name, can-branch, insn_len,
* reg-mask)
* translatable, reg-mask)
*/
/* clang-format off */
#define RV_INSN_LIST \
_(nop, 0, 4, ENC(rs1, rd)) \
/* RV32I Base Instruction Set */ \
_(lui, 0, 4, ENC(rd)) \
_(auipc, 0, 4, ENC(rd)) \
_(jal, 1, 4, ENC(rd)) \
_(jalr, 1, 4, ENC(rs1, rd)) \
_(beq, 1, 4, ENC(rs1, rs2)) \
_(bne, 1, 4, ENC(rs1, rs2)) \
_(blt, 1, 4, ENC(rs1, rs2)) \
_(bge, 1, 4, ENC(rs1, rs2)) \
_(bltu, 1, 4, ENC(rs1, rs2)) \
_(bgeu, 1, 4, ENC(rs1, rs2)) \
_(lb, 0, 4, ENC(rs1, rd)) \
_(lh, 0, 4, ENC(rs1, rd)) \
_(lw, 0, 4, ENC(rs1, rd)) \
_(lbu, 0, 4, ENC(rs1, rd)) \
_(lhu, 0, 4, ENC(rs1, rd)) \
_(sb, 0, 4, ENC(rs1, rs2)) \
_(sh, 0, 4, ENC(rs1, rs2)) \
_(sw, 0, 4, ENC(rs1, rs2)) \
_(addi, 0, 4, ENC(rs1, rd)) \
_(slti, 0, 4, ENC(rs1, rd)) \
_(sltiu, 0, 4, ENC(rs1, rd)) \
_(xori, 0, 4, ENC(rs1, rd)) \
_(ori, 0, 4, ENC(rs1, rd)) \
_(andi, 0, 4, ENC(rs1, rd)) \
_(slli, 0, 4, ENC(rs1, rd)) \
_(srli, 0, 4, ENC(rs1, rd)) \
_(srai, 0, 4, ENC(rs1, rd)) \
_(add, 0, 4, ENC(rs1, rs2, rd)) \
_(sub, 0, 4, ENC(rs1, rs2, rd)) \
_(sll, 0, 4, ENC(rs1, rs2, rd)) \
_(slt, 0, 4, ENC(rs1, rs2, rd)) \
_(sltu, 0, 4, ENC(rs1, rs2, rd)) \
_(xor, 0, 4, ENC(rs1, rs2, rd)) \
_(srl, 0, 4, ENC(rs1, rs2, rd)) \
_(sra, 0, 4, ENC(rs1, rs2, rd)) \
_(or, 0, 4, ENC(rs1, rs2, rd)) \
_(and, 0, 4, ENC(rs1, rs2, rd)) \
_(ecall, 1, 4, ENC(rs1, rd)) \
_(ebreak, 1, 4, ENC(rs1, rd)) \
/* RISC-V Privileged Instruction */ \
_(wfi, 0, 4, ENC(rs1, rd)) \
_(uret, 0, 4, ENC(rs1, rd)) \
_(sret, 0, 4, ENC(rs1, rd)) \
_(hret, 0, 4, ENC(rs1, rd)) \
_(mret, 1, 4, ENC(rs1, rd)) \
/* RV32 Zifencei Standard Extension */ \
IIF(RV32_HAS(Zifencei))( \
_(fencei, 1, 4, ENC(rs1, rd)) \
) \
/* RV32 Zicsr Standard Extension */ \
IIF(RV32_HAS(Zicsr))( \
_(csrrw, 0, 4, ENC(rs1, rd)) \
_(csrrs, 0, 4, ENC(rs1, rd)) \
_(csrrc, 0, 4, ENC(rs1, rd)) \
_(csrrwi, 0, 4, ENC(rs1, rd)) \
_(csrrsi, 0, 4, ENC(rs1, rd)) \
_(csrrci, 0, 4, ENC(rs1, rd)) \
) \
/* RV32M Standard Extension */ \
IIF(RV32_HAS(EXT_M))( \
_(mul, 0, 4, ENC(rs1, rs2, rd)) \
_(mulh, 0, 4, ENC(rs1, rs2, rd)) \
_(mulhsu, 0, 4, ENC(rs1, rs2, rd)) \
_(mulhu, 0, 4, ENC(rs1, rs2, rd)) \
_(div, 0, 4, ENC(rs1, rs2, rd)) \
_(divu, 0, 4, ENC(rs1, rs2, rd)) \
_(rem, 0, 4, ENC(rs1, rs2, rd)) \
_(remu, 0, 4, ENC(rs1, rs2, rd)) \
) \
/* RV32A Standard Extension */ \
IIF(RV32_HAS(EXT_A))( \
_(lrw, 0, 4, ENC(rs1, rs2, rd)) \
_(scw, 0, 4, ENC(rs1, rs2, rd)) \
_(amoswapw, 0, 4, ENC(rs1, rs2, rd)) \
_(amoaddw, 0, 4, ENC(rs1, rs2, rd)) \
_(amoxorw, 0, 4, ENC(rs1, rs2, rd)) \
_(amoandw, 0, 4, ENC(rs1, rs2, rd)) \
_(amoorw, 0, 4, ENC(rs1, rs2, rd)) \
_(amominw, 0, 4, ENC(rs1, rs2, rd)) \
_(amomaxw, 0, 4, ENC(rs1, rs2, rd)) \
_(amominuw, 0, 4, ENC(rs1, rs2, rd)) \
_(amomaxuw, 0, 4, ENC(rs1, rs2, rd)) \
) \
/* RV32F Standard Extension */ \
IIF(RV32_HAS(EXT_F))( \
_(flw, 0, 4, ENC(rs1, rd)) \
_(fsw, 0, 4, ENC(rs1, rs2)) \
_(fmadds, 0, 4, ENC(rs1, rs2, rs3, rd)) \
_(fmsubs, 0, 4, ENC(rs1, rs2, rs3, rd)) \
_(fnmsubs, 0, 4, ENC(rs1, rs2, rs3, rd)) \
_(fnmadds, 0, 4, ENC(rs1, rs2, rs3, rd)) \
_(fadds, 0, 4, ENC(rs1, rs2, rd)) \
_(fsubs, 0, 4, ENC(rs1, rs2, rd)) \
_(fmuls, 0, 4, ENC(rs1, rs2, rd)) \
_(fdivs, 0, 4, ENC(rs1, rs2, rd)) \
_(fsqrts, 0, 4, ENC(rs1, rs2, rd)) \
_(fsgnjs, 0, 4, ENC(rs1, rs2, rd)) \
_(fsgnjns, 0, 4, ENC(rs1, rs2, rd)) \
_(fsgnjxs, 0, 4, ENC(rs1, rs2, rd)) \
_(fmins, 0, 4, ENC(rs1, rs2, rd)) \
_(fmaxs, 0, 4, ENC(rs1, rs2, rd)) \
_(fcvtws, 0, 4, ENC(rs1, rs2, rd)) \
_(fcvtwus, 0, 4, ENC(rs1, rs2, rd)) \
_(fmvxw, 0, 4, ENC(rs1, rs2, rd)) \
_(feqs, 0, 4, ENC(rs1, rs2, rd)) \
_(flts, 0, 4, ENC(rs1, rs2, rd)) \
_(fles, 0, 4, ENC(rs1, rs2, rd)) \
_(fclasss, 0, 4, ENC(rs1, rs2, rd)) \
_(fcvtsw, 0, 4, ENC(rs1, rs2, rd)) \
_(fcvtswu, 0, 4, ENC(rs1, rs2, rd)) \
_(fmvwx, 0, 4, ENC(rs1, rs2, rd)) \
) \
/* RV32C Standard Extension */ \
IIF(RV32_HAS(EXT_C))( \
_(caddi4spn, 0, 2, ENC(rd)) \
_(clw, 0, 2, ENC(rs1, rd)) \
_(csw, 0, 2, ENC(rs1, rs2)) \
_(cnop, 0, 2, ENC()) \
_(caddi, 0, 2, ENC(rd)) \
_(cjal, 1, 2, ENC()) \
_(cli, 0, 2, ENC(rd)) \
_(caddi16sp, 0, 2, ENC()) \
_(clui, 0, 2, ENC(rd)) \
_(csrli, 0, 2, ENC(rs1)) \
_(csrai, 0, 2, ENC(rs1)) \
_(candi, 0, 2, ENC(rs1)) \
_(csub, 0, 2, ENC(rs1, rs2, rd)) \
_(cxor, 0, 2, ENC(rs1, rs2, rd)) \
_(cor, 0, 2, ENC(rs1, rs2, rd)) \
_(cand, 0, 2, ENC(rs1, rs2, rd)) \
_(cj, 1, 2, ENC()) \
_(cbeqz, 1, 2, ENC(rs1)) \
_(cbnez, 1, 2, ENC(rs1)) \
_(cslli, 0, 2, ENC(rd)) \
_(clwsp, 0, 2, ENC(rd)) \
_(cjr, 1, 2, ENC(rs1, rs2, rd)) \
_(cmv, 0, 2, ENC(rs1, rs2, rd)) \
_(cebreak, 1, 2, ENC(rs1, rs2, rd)) \
_(cjalr, 1, 2, ENC(rs1, rs2, rd)) \
_(cadd, 0, 2, ENC(rs1, rs2, rd)) \
_(cswsp, 0, 2, ENC(rs2)) \
#define RV_INSN_LIST \
_(nop, 0, 4, 1, ENC(rs1, rd)) \
/* RV32I Base Instruction Set */ \
_(lui, 0, 4, 1, ENC(rd)) \
_(auipc, 0, 4, 1, ENC(rd)) \
_(jal, 1, 4, 1, ENC(rd)) \
_(jalr, 1, 4, 1, ENC(rs1, rd)) \
_(beq, 1, 4, 1, ENC(rs1, rs2)) \
_(bne, 1, 4, 1, ENC(rs1, rs2)) \
_(blt, 1, 4, 1, ENC(rs1, rs2)) \
_(bge, 1, 4, 1, ENC(rs1, rs2)) \
_(bltu, 1, 4, 1, ENC(rs1, rs2)) \
_(bgeu, 1, 4, 1, ENC(rs1, rs2)) \
_(lb, 0, 4, 1, ENC(rs1, rd)) \
_(lh, 0, 4, 1, ENC(rs1, rd)) \
_(lw, 0, 4, 1, ENC(rs1, rd)) \
_(lbu, 0, 4, 1, ENC(rs1, rd)) \
_(lhu, 0, 4, 1, ENC(rs1, rd)) \
_(sb, 0, 4, 1, ENC(rs1, rs2)) \
_(sh, 0, 4, 1, ENC(rs1, rs2)) \
_(sw, 0, 4, 1, ENC(rs1, rs2)) \
_(addi, 0, 4, 1, ENC(rs1, rd)) \
_(slti, 0, 4, 1, ENC(rs1, rd)) \
_(sltiu, 0, 4, 1, ENC(rs1, rd)) \
_(xori, 0, 4, 1, ENC(rs1, rd)) \
_(ori, 0, 4, 1, ENC(rs1, rd)) \
_(andi, 0, 4, 1, ENC(rs1, rd)) \
_(slli, 0, 4, 1, ENC(rs1, rd)) \
_(srli, 0, 4, 1, ENC(rs1, rd)) \
_(srai, 0, 4, 1, ENC(rs1, rd)) \
_(add, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(sub, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(sll, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(slt, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(sltu, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(xor, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(srl, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(sra, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(or, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(and, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(ecall, 1, 4, 1, ENC(rs1, rd)) \
_(ebreak, 1, 4, 1, ENC(rs1, rd)) \
/* RISC-V Privileged Instruction */ \
_(wfi, 0, 4, 0, ENC(rs1, rd)) \
_(uret, 0, 4, 0, ENC(rs1, rd)) \
_(sret, 0, 4, 0, ENC(rs1, rd)) \
_(hret, 0, 4, 0, ENC(rs1, rd)) \
_(mret, 1, 4, 0, ENC(rs1, rd)) \
/* RV32 Zifencei Standard Extension */ \
IIF(RV32_HAS(Zifencei))( \
_(fencei, 1, 4, 0, ENC(rs1, rd)) \
) \
/* RV32 Zicsr Standard Extension */ \
IIF(RV32_HAS(Zicsr))( \
_(csrrw, 0, 4, 0, ENC(rs1, rd)) \
_(csrrs, 0, 4, 0, ENC(rs1, rd)) \
_(csrrc, 0, 4, 0, ENC(rs1, rd)) \
_(csrrwi, 0, 4, 0, ENC(rs1, rd)) \
_(csrrsi, 0, 4, 0, ENC(rs1, rd)) \
_(csrrci, 0, 4, 0, ENC(rs1, rd)) \
) \
/* RV32M Standard Extension */ \
IIF(RV32_HAS(EXT_M))( \
_(mul, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(mulh, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(mulhsu, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(mulhu, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(div, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(divu, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(rem, 0, 4, 1, ENC(rs1, rs2, rd)) \
_(remu, 0, 4, 1, ENC(rs1, rs2, rd)) \
) \
/* RV32A Standard Extension */ \
IIF(RV32_HAS(EXT_A))( \
_(lrw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(scw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amoswapw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amoaddw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amoxorw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amoandw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amoorw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amominw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amomaxw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amominuw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(amomaxuw, 0, 4, 0, ENC(rs1, rs2, rd)) \
) \
/* RV32F Standard Extension */ \
IIF(RV32_HAS(EXT_F))( \
_(flw, 0, 4, 0, ENC(rs1, rd)) \
_(fsw, 0, 4, 0, ENC(rs1, rs2)) \
_(fmadds, 0, 4, 0, ENC(rs1, rs2, rs3, rd)) \
_(fmsubs, 0, 4, 0, ENC(rs1, rs2, rs3, rd)) \
_(fnmsubs, 0, 4, 0, ENC(rs1, rs2, rs3, rd)) \
_(fnmadds, 0, 4, 0, ENC(rs1, rs2, rs3, rd)) \
_(fadds, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fsubs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fmuls, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fdivs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fsqrts, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fsgnjs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fsgnjns, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fsgnjxs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fmins, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fmaxs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fcvtws, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fcvtwus, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fmvxw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(feqs, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(flts, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fles, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fclasss, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fcvtsw, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fcvtswu, 0, 4, 0, ENC(rs1, rs2, rd)) \
_(fmvwx, 0, 4, 0, ENC(rs1, rs2, rd)) \
) \
/* RV32C Standard Extension */ \
IIF(RV32_HAS(EXT_C))( \
_(caddi4spn, 0, 2, 1, ENC(rd)) \
_(clw, 0, 2, 1, ENC(rs1, rd)) \
_(csw, 0, 2, 1, ENC(rs1, rs2)) \
_(cnop, 0, 2, 1, ENC()) \
_(caddi, 0, 2, 1, ENC(rd)) \
_(cjal, 1, 2, 1, ENC()) \
_(cli, 0, 2, 1, ENC(rd)) \
_(caddi16sp, 0, 2, 1, ENC()) \
_(clui, 0, 2, 1, ENC(rd)) \
_(csrli, 0, 2, 1, ENC(rs1)) \
_(csrai, 0, 2, 1, ENC(rs1)) \
_(candi, 0, 2, 1, ENC(rs1)) \
_(csub, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cxor, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cor, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cand, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cj, 1, 2, 1, ENC()) \
_(cbeqz, 1, 2, 1, ENC(rs1)) \
_(cbnez, 1, 2, 1, ENC(rs1)) \
_(cslli, 0, 2, 1, ENC(rd)) \
_(clwsp, 0, 2, 1, ENC(rd)) \
_(cjr, 1, 2, 1, ENC(rs1, rs2, rd)) \
_(cmv, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cebreak, 1, 2, 1,ENC(rs1, rs2, rd)) \
_(cjalr, 1, 2, 1, ENC(rs1, rs2, rd)) \
_(cadd, 0, 2, 1, ENC(rs1, rs2, rd)) \
_(cswsp, 0, 2, 1, ENC(rs2)) \
)
/* clang-format on */

Expand All @@ -196,7 +196,7 @@ enum op_field {
/* clang-format off */
/* IR list */
enum {
#define _(inst, can_branch, insn_len, reg_mask) rv_insn_##inst,
#define _(inst, can_branch, insn_len, translatable, reg_mask) rv_insn_##inst,
RV_INSN_LIST
#undef _
N_RV_INSNS,
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