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riscv: canonicalize malformed half operands for fclass.h #36

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riscv: canonicalize malformed half operands for fclass.h #36

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5 changes: 4 additions & 1 deletion arch/riscv/translate.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3662,7 +3662,10 @@ static void gen_fp_arith(DisasContext *dc, uint32_t opc, int rd, int rs1, int rs
if(rm == 0x0) { /* FMV */
gen_helper_fmv_x_h(write_int_rd, cpu_env, cpu_fpr[rs1], rm_reg);
} else if(rm == 0x1) {
gen_helper_fclass_h(write_int_rd, cpu_env, cpu_fpr[rs1]);
TCGv_i64 rs1_boxed = tcg_temp_local_new_i64();
gen_unbox_float(RISCV_HALF_PRECISION, env, rs1_boxed, cpu_fpr[rs1]);
gen_helper_fclass_h(write_int_rd, cpu_env, rs1_boxed);
tcg_temp_free_i64(rs1_boxed);
} else {
kill_unknown(dc, RISCV_EXCP_ILLEGAL_INST);
}
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