For supporting multi-precison, split all 32 fp registers into two groups. The RV64D instructions will use only the 16 fp registers selected by gfp64().
Signed-off-by: LIU Zhiwei <zhiwei_...@c-sky.com> --- rv64.risu | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) diff --git a/rv64.risu b/rv64.risu index 0dcc9a1..a6fa9fc 100644 --- a/rv64.risu +++ b/rv64.risu @@ -364,3 +364,103 @@ FCVT_S_L RISCV 1101000 00010 rs1:5 rm:3 rd:5 1010011 \ FCVT_S_LU RISCV 1101000 00011 rs1:5 rm:3 rd:5 1010011 \ !constraints { greg($rs1) && gfp32($rd) && grm($rm); } + +@RV64D + +FLD RISCV imm:12 rs1:5 011 rd:5 0000111 \ +!constraints { gbase($rs1) && gfp64($rd); } \ +!memory { align(8); reg_plus_imm($rs1, sextract($imm, 12)); } + +FSD RISCV imm5:7 rs2:5 rs1:5 010 imm:5 0100111 \ +!constraints { gbase($rs1) && gfp64($rs2); } \ +!memory { align(8); reg_plus_imm($rs1, sextract($imm5 << 5 | $imm, 12)); } + +FMADD_D RISCV rs3:5 01 rs2:5 rs1:5 rm:3 rd:5 1000011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FMSUB_D RISCV rs3:5 01 rs2:5 rs1:5 rm:3 rd:5 1000111 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FNMSUB_D RISCV rs3:5 01 rs2:5 rs1:5 rm:3 rd:5 1001011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FNMADD_D RISCV rs3:5 01 rs2:5 rs1:5 rm:3 rd:5 1001111 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FADD_D RISCV 0000001 rs2:5 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FSUB_D RISCV 0000101 rs2:5 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FMUL_D RISCV 0001001 rs2:5 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FDIV_D RISCV 0001101 rs2:5 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd) && grm($rm); } + +FSQRT_D RISCV 0101101 00000 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rd) && grm($rm); } + +FSGNJ_D RISCV 0010001 rs2:5 rs1:5 000 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd); } + +FSGNJN_D RISCV 0010001 rs2:5 rs1:5 001 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd); } + +FSGNJX_D RISCV 0010001 rs2:5 rs1:5 010 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd); } + +FMIN_D RISCV 0010101 rs2:5 rs1:5 000 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd); } + +FMAX_D RISCV 0010101 rs2:5 rs1:5 001 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rs2) && gfp64($rd); } + +FCVT_S_D RISCV 0100000 00001 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rd) && grm($rm); } + +FCVT_D_S RISCV 0100001 00000 rs1:5 rm:3 rd:5 1010011 \ +!constraints { gfp64($rs1) && gfp64($rd) && grm($rm); } + +FEQ_D RISCV 1010001 rs2:5 rs1:5 010 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && gfp64($rs1); } + +FLT_D RISCV 1010001 rs2:5 rs1:5 001 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && gfp64($rs1); } + +FLE_D RISCV 1010001 rs2:5 rs1:5 000 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && gfp64($rs1); } + +FCLASS_D RISCV 1110001 00000 rs1:5 001 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1); } + +FCVT_W_D RISCV 1100001 00000 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && grm($rm); } + +FCVT_WU_D RISCV 1100001 00001 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && grm($rm); } + +FCVT_D_W RISCV 1101001 00000 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rs1) && gfp64($rd) && grm($rm); } + +FCVT_D_WU RISCV 1101001 00001 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rs1) && gfp64($rd) && grm($rm); } + +FCVT_L_D RISCV 1100001 00010 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && grm($rm); } + +FCVT_LU_D RISCV 1100001 00011 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1) && grm($rm); } + +FCVT_D_L RISCV 1101001 00010 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rs1) && gfp64($rd) && grm($rm); } + +FCVT_D_LU RISCV 1101001 00011 rs1:5 rm:3 rd:5 1010011 \ +!constraints { greg($rs1) && gfp64($rd) && grm($rm); } + +FMV_D_X RISCV 1111001 00000 rs1:5 000 rd:5 1010011 \ +!constraints { greg($rs1) && gfp64($rd); } + +FMV_X_D RISCV 1110001 00000 rs1:5 000 rd:5 1010011 \ +!constraints { greg($rd) && gfp64($rs1); } -- 2.23.0