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x86: re-arrange order of decode for various mask reg opcodes

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The order of decodes influences the overall number of table entries.
Reduce table size quite a bit by first decoding few-alternatives
attributes common to all valid leaves.
This commit is contained in:
Jan Beulich
2021-03-10 08:16:24 +01:00
parent 14d10c6ccc
commit 13954a3119
2 changed files with 429 additions and 602 deletions
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99
opcodes/ChangeLog
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@ -1,3 +1,102 @@
2021-03-10 Jan Beulich <jbeulich@suse.com>
* opcodes/i386-dis.c (MOD_VEX_W_0_0F41_P_0_LEN_1,
MOD_VEX_W_1_0F41_P_0_LEN_1, MOD_VEX_W_0_0F41_P_2_LEN_1,
MOD_VEX_W_1_0F41_P_2_LEN_1, MOD_VEX_W_0_0F42_P_0_LEN_1,
MOD_VEX_W_1_0F42_P_0_LEN_1, MOD_VEX_W_0_0F42_P_2_LEN_1,
MOD_VEX_W_1_0F42_P_2_LEN_1, MOD_VEX_W_0_0F44_P_0_LEN_1,
MOD_VEX_W_1_0F44_P_0_LEN_1, MOD_VEX_W_0_0F44_P_2_LEN_1,
MOD_VEX_W_1_0F44_P_2_LEN_1, MOD_VEX_W_0_0F45_P_0_LEN_1,
MOD_VEX_W_1_0F45_P_0_LEN_1, MOD_VEX_W_0_0F45_P_2_LEN_1,
MOD_VEX_W_1_0F45_P_2_LEN_1, MOD_VEX_W_0_0F46_P_0_LEN_1,
MOD_VEX_W_1_0F46_P_0_LEN_1, MOD_VEX_W_0_0F46_P_2_LEN_1,
MOD_VEX_W_1_0F46_P_2_LEN_1, MOD_VEX_W_0_0F47_P_0_LEN_1,
MOD_VEX_W_1_0F47_P_0_LEN_1, MOD_VEX_W_0_0F47_P_2_LEN_1,
MOD_VEX_W_1_0F47_P_2_LEN_1, MOD_VEX_W_0_0F4A_P_0_LEN_1,
MOD_VEX_W_1_0F4A_P_0_LEN_1, MOD_VEX_W_0_0F4A_P_2_LEN_1,
MOD_VEX_W_1_0F4A_P_2_LEN_1, MOD_VEX_W_0_0F4B_P_0_LEN_1,
MOD_VEX_W_1_0F4B_P_0_LEN_1, MOD_VEX_W_0_0F4B_P_2_LEN_1,
MOD_VEX_W_0_0F91_P_0_LEN_0, MOD_VEX_W_1_0F91_P_0_LEN_0,
MOD_VEX_W_0_0F91_P_2_LEN_0, MOD_VEX_W_1_0F91_P_2_LEN_0,
MOD_VEX_W_0_0F92_P_0_LEN_0, MOD_VEX_W_0_0F92_P_2_LEN_0,
MOD_VEX_0F92_P_3_LEN_0, MOD_VEX_W_0_0F93_P_0_LEN_0,
MOD_VEX_W_0_0F93_P_2_LEN_0, MOD_VEX_0F93_P_3_LEN_0,
MOD_VEX_W_0_0F98_P_0_LEN_0, MOD_VEX_W_1_0F98_P_0_LEN_0,
MOD_VEX_W_0_0F98_P_2_LEN_0, MOD_VEX_W_1_0F98_P_2_LEN_0,
MOD_VEX_W_0_0F99_P_0_LEN_0, MOD_VEX_W_1_0F99_P_0_LEN_0,
MOD_VEX_W_0_0F99_P_2_LEN_0, MOD_VEX_W_1_0F99_P_2_LEN_0,
PREFIX_VEX_0F41, PREFIX_VEX_0F42, PREFIX_VEX_0F44,
PREFIX_VEX_0F45, PREFIX_VEX_0F46, PREFIX_VEX_0F47,
PREFIX_VEX_0F4A, PREFIX_VEX_0F4B, PREFIX_VEX_0F90,
PREFIX_VEX_0F91, PREFIX_VEX_0F92, PREFIX_VEX_0F93,
PREFIX_VEX_0F98, PREFIX_VEX_0F99, VEX_LEN_0F41_P_0,
VEX_LEN_0F41_P_2, VEX_LEN_0F42_P_0, VEX_LEN_0F42_P_2,
VEX_LEN_0F44_P_0, VEX_LEN_0F44_P_2, VEX_LEN_0F45_P_0,
VEX_LEN_0F45_P_2, VEX_LEN_0F46_P_0, VEX_LEN_0F46_P_2,
VEX_LEN_0F47_P_0, VEX_LEN_0F47_P_2, VEX_LEN_0F4A_P_0,
VEX_LEN_0F4A_P_2, VEX_LEN_0F4B_P_0, VEX_LEN_0F4B_P_2,
VEX_LEN_0F90_P_0, VEX_LEN_0F90_P_2, VEX_LEN_0F91_P_0,
VEX_LEN_0F91_P_2, VEX_LEN_0F92_P_0, VEX_LEN_0F92_P_2,
VEX_LEN_0F92_P_3, VEX_LEN_0F93_P_0, VEX_LEN_0F93_P_2,
VEX_LEN_0F93_P_3, VEX_LEN_0F98_P_0, VEX_LEN_0F98_P_2,
VEX_LEN_0F99_P_0, VEX_LEN_0F99_P_2, VEX_W_0F41_P_0_LEN_1,
VEX_W_0F41_P_2_LEN_1, VEX_W_0F42_P_0_LEN_1,
VEX_W_0F42_P_2_LEN_1, VEX_W_0F44_P_0_LEN_0,
VEX_W_0F44_P_2_LEN_0, VEX_W_0F45_P_0_LEN_1,
VEX_W_0F45_P_2_LEN_1, VEX_W_0F46_P_0_LEN_1,
VEX_W_0F46_P_2_LEN_1, VEX_W_0F47_P_0_LEN_1,
VEX_W_0F47_P_2_LEN_1, VEX_W_0F4A_P_0_LEN_1,
VEX_W_0F4A_P_2_LEN_1, VEX_W_0F4B_P_0_LEN_1,
VEX_W_0F4B_P_2_LEN_1, VEX_W_0F90_P_0_LEN_0,
VEX_W_0F90_P_2_LEN_0, VEX_W_0F91_P_0_LEN_0,
VEX_W_0F91_P_2_LEN_0, VEX_W_0F92_P_0_LEN_0,
VEX_W_0F92_P_2_LEN_0, VEX_W_0F93_P_0_LEN_0,
VEX_W_0F93_P_2_LEN_0, VEX_W_0F98_P_0_LEN_0,
VEX_W_0F98_P_2_LEN_0, VEX_W_0F99_P_0_LEN_0,
VEX_W_0F99_P_2_LEN_0): Delete.
MOD_VEX_0F41_L_1, MOD_VEX_0F42_L_1, MOD_VEX_0F44_L_0,
MOD_VEX_0F45_L_1, MOD_VEX_0F46_L_1, MOD_VEX_0F47_L_1,
MOD_VEX_0F4A_L_1, MOD_VEX_0F4B_L_1, MOD_VEX_0F91_L_0,
MOD_VEX_0F92_L_0, MOD_VEX_0F93_L_0, MOD_VEX_0F98_L_0,
MOD_VEX_0F99_L_0, PREFIX_VEX_0F41_L_1_M_1_W_0,
PREFIX_VEX_0F41_L_1_M_1_W_1, PREFIX_VEX_0F42_L_1_M_1_W_0,
PREFIX_VEX_0F42_L_1_M_1_W_1, PREFIX_VEX_0F44_L_0_M_1_W_0,
PREFIX_VEX_0F44_L_0_M_1_W_1, PREFIX_VEX_0F45_L_1_M_1_W_0,
PREFIX_VEX_0F45_L_1_M_1_W_1, PREFIX_VEX_0F46_L_1_M_1_W_0,
PREFIX_VEX_0F46_L_1_M_1_W_1, PREFIX_VEX_0F47_L_1_M_1_W_0,
PREFIX_VEX_0F47_L_1_M_1_W_1, PREFIX_VEX_0F4A_L_1_M_1_W_0,
PREFIX_VEX_0F4A_L_1_M_1_W_1, PREFIX_VEX_0F4B_L_1_M_1_W_0,
PREFIX_VEX_0F4B_L_1_M_1_W_1, PREFIX_VEX_0F90_L_0_W_0,
PREFIX_VEX_0F90_L_0_W_1, PREFIX_VEX_0F91_L_0_M_0_W_0,
PREFIX_VEX_0F91_L_0_M_0_W_1, PREFIX_VEX_0F92_L_0_M_1_W_0,
PREFIX_VEX_0F92_L_0_M_1_W_1, PREFIX_VEX_0F93_L_0_M_1_W_0,
PREFIX_VEX_0F93_L_0_M_1_W_1, PREFIX_VEX_0F98_L_0_M_1_W_0,
PREFIX_VEX_0F98_L_0_M_1_W_1, PREFIX_VEX_0F99_L_0_M_1_W_0,
PREFIX_VEX_0F99_L_0_M_1_W_1, VEX_LEN_0F41, VEX_LEN_0F42,
VEX_LEN_0F44, VEX_LEN_0F45, VEX_LEN_0F46, VEX_LEN_0F47,
VEX_LEN_0F4A, VEX_LEN_0F4B, VEX_LEN_0F90, VEX_LEN_0F91,
VEX_LEN_0F92, VEX_LEN_0F93, VEX_LEN_0F98, VEX_LEN_0F99,
VEX_W_0F41_L_1_M_1, VEX_W_0F42_L_1_M_1, VEX_W_0F44_L_0_M_1,
VEX_W_0F45_L_1_M_1, VEX_W_0F46_L_1_M_1, VEX_W_0F47_L_1_M_1,
VEX_W_0F4A_L_1_M_1, VEX_W_0F4B_L_1_M_1, VEX_W_0F90_L_0,
VEX_W_0F91_L_0_M_0, VEX_W_0F92_L_0_M_1, VEX_W_0F93_L_0_M_1,
VEX_W_0F98_L_0_M_1, VEX_W_0F99_L_0_M_1): New.
(prefix_table): No longer link to vex_len_table[] for opcodes
0F41, 0F42, 0F44, 0F45, 0F46, 0F47, 0F4A, 0F4B, 0F90, 0F91,
0F92, 0F93, 0F98, and 0F99.
(vex_table): Link to vex_len_table[] for opcodes 0F41, 0F42,
0F44, 0F45, 0F46, 0F47, 0F4A, 0F4B, 0F90, 0F91, 0F92, 0F93,
0F98, and 0F99.
(vex_len_table): Link to mod_table[] for opcodes 0F41, 0F42,
0F44, 0F45, 0F46, 0F47, 0F4A, 0F4B, 0F90, 0F91, 0F92, 0F93,
0F98, and 0F99.
(vex_w_table): Link to prefix_table[] for opcodes 0F41, 0F42,
0F44, 0F45, 0F46, 0F47, 0F4A, 0F4B, 0F90, 0F91, 0F92, 0F93,
0F98, and 0F99.
(mod_table): Link to vex_w_table[] for opcodes 0F41, 0F42,
0F44, 0F45, 0F46, 0F47, 0F4A, 0F4B, 0F90, 0F91, 0F92, 0F93,
0F98, and 0F99.
2021-03-10 Jan Beulich <jbeulich@suse.com>
* opcodes/i386-dis.c (VEX_REG_0F71, VEX_REG_0F72, VEX_REG_0F73):

932
opcodes/i386-dis.c
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