On 01/10/2014 09:12 AM, Peter Maydell wrote:
> +static inline AArch64DecodeFn *lookup_disas_fn(AArch64DecodeTable *table,
> + uint32_t insn)
Better make table const.
> +static AArch64DecodeTable data_proc_simd[] = {
So that you can make this const.
> +/* C3.6.1 EXT
> + * 31 30 29 24 23 22 21 20 16 15 14 11 10 9 5 4 0
> + * +---+---+-------------+-----+---+------+---+------+---+------+------+
> + * | 0 | Q | 0 0 1 1 1 0 | op2 | 0 | Rm | 0 | imm4 | 0 | Rn | Rd |
> + * +---+---+-------------+-----+---+------+---+------+---+------+------+
> + */
Error... 1
> +/* C3.6.16 AdvSIMD three same
> + * 31 30 29 28 24 23 22 21 20 16 15 11 10 9 5 4 0
> + * +-----+---+-----------+------+---+------+--------+---+------+------+
> + * | 0 1 | U | 1 1 1 1 0 | size | 1 | Rm | opcode | 1 | Rn | Rd |
> + * +-----+---+-----------+------+---+------+--------+---+------+------+
> + */
Error. Cut and paste?
> + /* pattern , mask , fn */
> + { 0x0e200400, 0x9f200400, disas_simd_three_reg_same }, ok
> + { 0x0e200000, 0x9f200c00, disas_simd_three_reg_diff }, ok
> + { 0x0e200800, 0x9f3e0c00, disas_simd_two_reg_misc }, ok
> + { 0x0e300800, 0x9f3e0c00, disas_simd_across_lanes }, ok
> + { 0x0e000400, 0x9fe08400, disas_simd_copy }, ok
> + { 0x0f000000, 0x9f000400, disas_simd_indexed_vector }, ok
> + /* simd_mod_imm decode is a subset of simd_shift_imm, so must precede it */
> + { 0x0f000400, 0x9ff80400, disas_simd_mod_imm }, ok
> + { 0x0f000400, 0x9f800400, disas_simd_shift_imm }, ok
> + { 0x0e000000, 0xbf208c00, disas_simd_tb }, ok
> + { 0x0e000800, 0xbf208c00, disas_simd_zip_trn }, ok
> + { 0x2e000000, 0xbf208400, disas_simd_ext }, ok
> + { 0x5e200400, 0xdf200400, disas_simd_scalar_three_reg_same }, ok
> + { 0x5e200000, 0xdf200c00, disas_simd_scalar_three_reg_diff }, ok
> + { 0x5e200800, 0xdf3e0c00, disas_simd_scalar_two_reg_misc }, ok
> + { 0x5e300800, 0xdf3e0c00, disas_simd_scalar_pairwise }, ok
> + { 0x5e000400, 0xdfe08400, disas_simd_scalar_copy }, ok
> + { 0x5f000000, 0xdf000400, disas_simd_scalar_indexed }, ok
> + { 0x5f000400, 0xdf800400, disas_simd_scalar_shift_imm }, ok
> + { 0x4e280800, 0xff3e0c00, disas_crypto_aes }, ok
> + { 0x5e000000, 0xff208c00, disas_crypto_three_reg_sha }, ok
> + { 0x5e280800, 0xff3e0c00, disas_crypto_two_reg_sha }, ok
> + { 0x00000000, 0x00000000, NULL }
The errors in the comments above are not present in this table. I've verified
the pattern and mask entries, but not the ordering requirements.
> + (fn) (s, insn);
Surely coding style sez
fn(s, insn);
or
(*fn)(s, insn);
Otherwise,
Reviewed-by: Richard Henderson <rth@xxxxxxxxxxx>
r~
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